Short description: A platform for Open Science built for seamless sharing of resources in computational materials science

Project homepage: https://www.materialscloud.org

Index Meta-Database URL: https://www.materialscloud.org/optimade/main

Number of structures: 111,798

Databases served by this provider

• 2D topological insulators (2dtopo)

  https://optimade.materialscloud.org/main/2dtopo

  Quantum spin Hall insulator (QSHI) candidates through DFT band structure calculations.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/2dtopo/v1/structures?filter=last_modified%20%3E=%20%222018-12-13T18:11:21.690580Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2018-12-13T18:11:21.690580Z"' did not include original entry ID '1fc1e658-762f-4733-8b9d-11c73768f804' (with field 'last_modified' = 2018-12-13T18:11:21.690580Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/2dtopo/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/2dtopo/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/2dtopo/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/2dtopo/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/2dtopo/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• Automated high-throughput Wannierisation (autowannier)

  https://optimade.materialscloud.org/main/autowannier

  Validation results of an automated protocol for generating maximally-localized Wannier functions in a high-throughput framework.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/autowannier/v1/structures?filter=last_modified%20%3E=%20%222019-09-24T10:32:45.323535Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2019-09-24T10:32:45.323535Z"' did not include original entry ID '1fd58587-cc23-47ea-8827-570f2cefb69a' (with field 'last_modified' = 2019-09-24T10:32:45.323535Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/autowannier/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/autowannier/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/autowannier/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/autowannier/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/autowannier/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• CURATED covalent organic frameworks database (curated-cofs)

  https://optimade.materialscloud.org/main/curated-cofs

  Database of experimentally reported Covalent-Organic Frameworks (COFs), provided with DFT-optimized geometry and DDEC partial charges for molecular simulations.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/curated-cofs/v1/structures?filter=last_modified%20%3E=%20%222019-02-15T14:33:24.184341Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2019-02-15T14:33:24.184341Z"' did not include original entry ID '00ca1f31-b0e9-4617-8f64-b4e38f1d2c7f' (with field 'last_modified' = 2019-02-15T14:33:24.184341Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/curated-cofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/curated-cofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/curated-cofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/curated-cofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/curated-cofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• MC2D - Materials Cloud two-dimensional crystals database (mc2d)

  https://optimade.materialscloud.org/main/mc2d

  Two-dimensional (2D) materials from high-throughput computational exfoliation of experimentally known compounds.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_band_gap

      Unit: eV
      Description: Band gap of the material.
      Type: float
      
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/mc2d/v1/structures?filter=last_modified%20%3E=%20%222022-03-29T08:50:34.332897Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2022-03-29T08:50:34.332897Z"' did not include original entry ID '0ee4ac88-2ca5-4895-aa79-0aea4aafc4fa' (with field 'last_modified' = 2022-03-29T08:50:34.332897Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/mc2d/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc2d/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc2d/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc2d/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc2d/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• MC3D (PBE-v1) - Materials Cloud 3D Structures Database (mc3d-pbe-v1)

  https://optimade.materialscloud.org/main/mc3d-pbe-v1

  Curated set of relaxed three-dimensional crystal structures based on raw CIF data from the experimental databases MPDS, COD, and ICSD.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_absolute_magnetization

      Unit: μB/cell
      Description: Absolute magnetization of the ferromagnetic solution, if it was found.
      Type: float
      
    • _mcloud_cell_volume

      Unit: ų
      Description: Cell volume.
      Type: float
      
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      
    • _mcloud_mc3d_id

      Description: The unique MC3D ID assigned to the structure.
      Type: string
      
    • _mcloud_source_db

      Description: Source database, where the original crystal originates from.
      Type: string
      
    • _mcloud_source_db_id

      Description: Source database ID of the original crystal.
      Type: string
      
    • _mcloud_total_energy

      Unit: eV/cell
      Description: Total energy per cell calculated by DFT.
      Type: float
      
    • _mcloud_total_magnetization

      Unit: μB/cell
      Description: Total magnetization of the ferromagnetic solution, if it was found.
      Type: float
      

  Validation

  ValidationResults of validation Passed 44 / 51

  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/structures?filter=last_modified%20%3E=%20%222025-08-29T16:08:14.638459+02:00%22
  
  

  ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:08:14.638459+02:00"' returned HTTP status code 500.
  Additional details from implementation:
  ValueError: could not convert string to float: '.638459 02:00' (N/A)

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/structures?filter=last_modified%20%3E=%20%222025-08-29T16:08:14.638459+02:00%22
  
  

  ResponseError: Unable to perform mandatory query 'last_modified >= "2025-08-29T16:08:14.638459+02:00"', which raised the error: ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:08:14.638459+02:00"' returned HTTP status code 500.
  Additional details from implementation:
  ValueError: could not convert string to float: '.638459 02:00' (N/A)

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• MC3D (PBEsol-v1) - Materials Cloud 3D Structures Database (mc3d-pbesol-v1)

  https://optimade.materialscloud.org/main/mc3d-pbesol-v1

  Curated set of relaxed three-dimensional crystal structures based on raw CIF data from the experimental databases MPDS, COD, and ICSD.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_absolute_magnetization

      Unit: μB/cell
      Description: Absolute magnetization of the ferromagnetic solution, if it was found.
      Type: float
      
    • _mcloud_cell_volume

      Unit: ų
      Description: Cell volume.
      Type: float
      
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      
    • _mcloud_mc3d_id

      Description: The unique MC3D ID assigned to the structure.
      Type: string
      
    • _mcloud_source_db

      Description: Source database, where the original crystal originates from.
      Type: string
      
    • _mcloud_source_db_id

      Description: Source database ID of the original crystal.
      Type: string
      
    • _mcloud_total_energy

      Unit: eV/cell
      Description: Total energy per cell calculated by DFT.
      Type: float
      
    • _mcloud_total_magnetization

      Unit: μB/cell
      Description: Total magnetization of the ferromagnetic solution, if it was found.
      Type: float
      

  Validation

  ValidationResults of validation Passed 44 / 51

  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/structures?filter=last_modified%20%3E=%20%222025-08-29T16:21:01.440389+02:00%22
  
  

  ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:21:01.440389+02:00"' returned HTTP status code 500.
  Additional details from implementation:
  ValueError: could not convert string to float: '.440389 02:00' (N/A)

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/structures?filter=last_modified%20%3E=%20%222025-08-29T16:21:01.440389+02:00%22
  
  

  ResponseError: Unable to perform mandatory query 'last_modified >= "2025-08-29T16:21:01.440389+02:00"', which raised the error: ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:21:01.440389+02:00"' returned HTTP status code 500.
  Additional details from implementation:
  ValueError: could not convert string to float: '.440389 02:00' (N/A)

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• MC3D (PBEsol-v2) - Materials Cloud 3D Structures Database (mc3d-pbesol-v2)

  https://optimade.materialscloud.org/main/mc3d-pbesol-v2

  Curated set of relaxed three-dimensional crystal structures based on raw CIF data from the experimental databases MPDS, COD, and ICSD.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_absolute_magnetization

      Unit: μB/cell
      Description: Absolute magnetization of the ferromagnetic solution, if it was found.
      Type: float
      
    • _mcloud_cell_volume

      Unit: ų
      Description: Cell volume.
      Type: float
      
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      
    • _mcloud_mc3d_id

      Description: The unique MC3D ID assigned to the structure.
      Type: string
      
    • _mcloud_source_db

      Description: Source database, where the original crystal originates from.
      Type: string
      
    • _mcloud_source_db_id

      Description: Source database ID of the original crystal.
      Type: string
      
    • _mcloud_total_energy

      Unit: eV/cell
      Description: Total energy per cell calculated by DFT.
      Type: float
      
    • _mcloud_total_magnetization

      Unit: μB/cell
      Description: Total magnetization of the ferromagnetic solution, if it was found.
      Type: float
      

  Validation

  ValidationResults of validation Passed 44 / 51

  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/structures?filter=last_modified%20%3E=%20%222025-09-08T17:17:28.703705+02:00%22
  
  

  ResponseError: Request to 'structures?filter=last_modified >= "2025-09-08T17:17:28.703705+02:00"' returned HTTP status code 500.
  Additional details from implementation:
  ValueError: could not convert string to float: '.703705 02:00' (N/A)

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/structures?filter=last_modified%20%3E=%20%222025-09-08T17:17:28.703705+02:00%22
  
  

  ResponseError: Unable to perform mandatory query 'last_modified >= "2025-09-08T17:17:28.703705+02:00"', which raised the error: ResponseError: Request to 'structures?filter=last_modified >= "2025-09-08T17:17:28.703705+02:00"' returned HTTP status code 500.
  Additional details from implementation:
  ValueError: could not convert string to float: '.703705 02:00' (N/A)

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• Pyrene-based metal organic frameworks (pyrene-mofs)

  https://optimade.materialscloud.org/main/pyrene-mofs

  Pyrene Metal Organic Frameworks (MOFs).

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/pyrene-mofs/v1/structures?filter=last_modified%20%3E=%20%222020-08-04T21:46:25.942061Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2020-08-04T21:46:25.942061Z"' did not include original entry ID '51584e95-3d42-421d-9ad3-df3fe4307b3d' (with field 'last_modified' = 2020-08-04T21:46:25.942061Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/pyrene-mofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/pyrene-mofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/pyrene-mofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/pyrene-mofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/pyrene-mofs/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• SrTiO3-CeO2 interfaces (stoceriaitf)

  https://optimade.materialscloud.org/main/stoceriaitf

  Refining random structure searching results of SrTiO3-CeO2 interfaces, and exploring how it can affect ionic conduction. Candidate structures of the DFT validation calculations.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/stoceriaitf/v1/structures?filter=last_modified%20%3E=%20%222018-09-01T17:16:37.216047Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2018-09-01T17:16:37.216047Z"' did not include original entry ID '2eaaa7ab-ac29-434f-8d14-5dac4987068c' (with field 'last_modified' = 2018-09-01T17:16:37.216047Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/stoceriaitf/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/stoceriaitf/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/stoceriaitf/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/stoceriaitf/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/stoceriaitf/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'

  
  

• Hidden spontaneous polarisation in the chalcohalide photovoltaic Sn2SbS2I3 (tin-antimony-sulfoiodide)

  https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide

  Structural, dynamic and electronic characterisation of a novel mixed-metal chalcohalide revealing hidden symmetry breaking and spontaneous polarisation.

  Properties served by this database:

  By entry type (click to expand):
  • references

    • The full list of standard OPTIMADE properties.
  • structures

    • The full list of standard OPTIMADE properties.
    • _mcloud_ctime

      Description: Time when the node was created.
      Type: timestamp
      

  Validation

  ValidationResults of validation Passed 44 / 50

  ❌ https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide/v1/structures?filter=last_modified%20%3E=%20%222020-07-24T10:23:41.483320Z%22
  
  

  ResponseError: Supposedly inclusive query 'last_modified >= "2020-07-24T10:23:41.483320Z"' did not include original entry ID '08e39afd-fed4-4a41-8a51-e9ed7ec28adf' (with field 'last_modified' = 2020-07-24T10:23:41.483320Z) potentially indicating a problem with filtering on this field.

  
  ❌ https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symmetry_operations_xyz
  
  

  ResponseError: Found unknown field 'space_group_symmetry_operations_xyz' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hall
  
  

  ResponseError: Found unknown field 'space_group_symbol_hall' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide/v1/;%20testing%20queries%20for%20structures-%3Espace_group_symbol_hermann_mauguin_extended
  
  

  ResponseError: Found unknown field 'space_group_symbol_hermann_mauguin_extended' that did not start with provider prefix '_mcloud_'

  
  ❌ https://optimade.materialscloud.org/main/tin-antimony-sulfoiodide/v1/;%20testing%20queries%20for%20structures-%3Espace_group_it_number
  
  

  ResponseError: Found unknown field 'space_group_it_number' that did not start with provider prefix '_mcloud_'