OPTIMADE provider "Materials Cloud" (id: mcloud
)
< back to the full provider list
General information
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
Detailed information
/info
)State of the /info
endpoint of the index meta-database
found
found
Index metaDB versionVersion of the index meta-database
v1
Index metaDB (/links
)State of the /links
endpoint of the index meta-database
found
found
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%222017-12-23T05:07:34.600741Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2017-12-23T05:07:34.600741Z"' did not include original entry ID '15e038b7-9b64-4d14-b877-539778583927' (with field 'last_modified' = 2017-12-23T05:07:34.600741Z) 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%222019-09-24T10:32:49.059192Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2019-09-24T10:32:49.059192Z"' did not include original entry ID '098d1484-3f79-4890-adf7-1aef756df232' (with field 'last_modified' = 2019-09-24T10:32:49.059192Z) 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%222020-06-17T08:48:42.484881Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2020-06-17T08:48:42.484881Z"' did not include original entry ID '010d2b4a-3371-4af6-be46-45cca159071f' (with field 'last_modified' = 2020-06-17T08:48:42.484881Z) 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%222022-06-30T14:03:55.185202Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2022-06-30T14:03:55.185202Z"' did not include original entry ID '872bd5f2-ad5e-4b06-ad26-a9809e7eb840' (with field 'last_modified' = 2022-06-30T14:03:55.185202Z) 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%222025-08-29T16:08:15.075928+02:00%22
ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:08:15.075928+02:00"' returned HTTP status code 500.
Additional details from implementation:
ValueError: could not convert string to float: '.075928 02:00' (N/A)
❌ https://optimade.materialscloud.org/main/mc3d-pbe-v1/v1/structures?filter=last_modified%20%3E=%20%222025-08-29T16:08:15.075928+02:00%22
ResponseError: Unable to perform mandatory query 'last_modified >= "2025-08-29T16:08:15.075928+02:00"', which raised the error: ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:08:15.075928+02:00"' returned HTTP status code 500.
Additional details from implementation:
ValueError: could not convert string to float: '.075928 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%222025-08-29T16:21:01.757473+02:00%22
ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:21:01.757473+02:00"' returned HTTP status code 500.
Additional details from implementation:
ValueError: could not convert string to float: '.757473 02:00' (N/A)
❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v1/v1/structures?filter=last_modified%20%3E=%20%222025-08-29T16:21:01.757473+02:00%22
ResponseError: Unable to perform mandatory query 'last_modified >= "2025-08-29T16:21:01.757473+02:00"', which raised the error: ResponseError: Request to 'structures?filter=last_modified >= "2025-08-29T16:21:01.757473+02:00"' returned HTTP status code 500.
Additional details from implementation:
ValueError: could not convert string to float: '.757473 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%222025-09-08T17:17:28.697175+02:00%22
ResponseError: Request to 'structures?filter=last_modified >= "2025-09-08T17:17:28.697175+02:00"' returned HTTP status code 500.
Additional details from implementation:
ValueError: could not convert string to float: '.697175 02:00' (N/A)
❌ https://optimade.materialscloud.org/main/mc3d-pbesol-v2/v1/structures?filter=last_modified%20%3E=%20%222025-09-08T17:17:28.697175+02:00%22
ResponseError: Unable to perform mandatory query 'last_modified >= "2025-09-08T17:17:28.697175+02:00"', which raised the error: ResponseError: Request to 'structures?filter=last_modified >= "2025-09-08T17:17:28.697175+02:00"' returned HTTP status code 500.
Additional details from implementation:
ValueError: could not convert string to float: '.697175 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%222020-08-04T21:45:36.851938Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2020-08-04T21:45:36.851938Z"' did not include original entry ID '22e65d1b-20d5-484b-b76b-daf00b7552ad' (with field 'last_modified' = 2020-08-04T21:45:36.851938Z) 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%222018-05-24T14:34:24.398008Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2018-05-24T14:34:24.398008Z"' did not include original entry ID '1cc17fe5-f5c2-4990-803b-db5fcd71f888' (with field 'last_modified' = 2018-05-24T14:34:24.398008Z) 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%222020-09-22T16:32:37.786799Z%22
ResponseError: Supposedly inclusive query 'last_modified >= "2020-09-22T16:32:37.786799Z"' did not include original entry ID '0e8dce45-08e1-426f-b4df-0b5247b7625b' (with field 'last_modified' = 2020-09-22T16:32:37.786799Z) 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_'
-