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PO_52a9abe94fe917f4e49aa63ac
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
A23B8C8
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39
3
3
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null
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__1" ]
null
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
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null
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__3" ]
null
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__4" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__5" ]
null
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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2026-06-03T16:51:09
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2026-06-03T16:51:09
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2026-06-03T16:51:09
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2026-06-03T16:51:09
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
-117.771784
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CO_83981c73df1173ff1b86e6819
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__14" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
true
true
,Cs,I,Pb,
PO_55384fc20e97c1b1aa4b57950
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
-117.717602
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__15" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
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true
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PO_34fc64e4c59ffab4acf0c25bc
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__16" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
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true
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PO_3e9703f0b7548d269524c029c
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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false
null
null
null
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0.87796
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[ true, true, true ]
Cs8I23Pb8
Cs8I23Pb8
A23B8C8
[ "Cs", "I", "Pb" ]
[ 0.20512820512820512, 0.5897435897435898, 0.20512820512820512 ]
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__17" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
true
true
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PO_fb4bc876b0e66aa38736d3c7a
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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false
null
null
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1.030631
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
[ "Cs", "I", "Pb" ]
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__18" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
true
true
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PO_b0470e5ab4e757f7e3733ffc8
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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false
null
null
null
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
[ "Cs", "I", "Pb" ]
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__19" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
true
true
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PO_70bc1adf3b09f32dbe18aaa5e
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
DFT-PBE+D3(BJ)
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false
null
null
null
null
null
1.087367
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Cs8I23Pb8
Cs8I23Pb8
A23B8C8
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39
3
3
[ 1, 1, 1 ]
[ "Halide_Perovskite_Ion_Migration_MLFF_neutral_iodide_vacancy__20" ]
null
{"input": {"description": "VASP PBE-D3-BJ single-point reference data stored in ML_AB training files. Plane-wave cutoff and k-point sampling are given only in the publication's Supporting Information.", "functional": "PBE with Grimme D3 dispersion, Becke-Johnson damping", "mlff": "VASP on-the-fly machine-learned force ...
true
true
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PO_723ecaf81a8d0b833155cc757
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2026-06-03T16:51:09
DS_7q1jmfpf3q9g_0
1
VASP
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End of preview. Expand in Data Studio

Cite this dataset Tyagi, V., Pols, M., Brocks, G., and Tao, S. Halide Perovskite Ion Migration MLFF neutral iodide vacancy. ColabFit, 2025. https://doi.org/None

This dataset has been curated and formatted for the ColabFit Exchange

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https://materials.colabfit.org/id/DS_7q1jmfpf3q9g_0

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Dataset Name

Halide Perovskite Ion Migration MLFF neutral iodide vacancy

Description

VASP machine-learning-force-field (ML_AB) training set for the CsPbI3 halide perovskite, covering migration of a neutral iodide vacancy. This is one of seven sister datasets from the same publication, each providing a VASP ML_AB training set for a slightly different characteristic of the CsPbI3 perovskite (the cubic-tetragonal phase transition and the migration of iodide vacancies and interstitials in neutral, positively charged, and negatively charged states), all generated to train machine-learned force fields for ion migration. Each configuration carries the total energy, atomic forces, and stress from VASP single-point reference calculations using the PBE functional with Grimme D3 dispersion and Becke-Johnson damping (PBE-D3-BJ), on 2x2x2 cubic supercells (~40 atoms). (Plane-wave cutoff and k-point details are reported only in the paper's Supporting Information.)

Dataset authors

Viren Tyagi, Mike Pols, Geert Brocks, Shuxia Tao

Publication

https://doi.org/10.1021/acs.jpclett.5c01139

Original data link

https://doi.org/10.5281/zenodo.19951919

License

CC-BY-4.0

Number of unique molecular configurations

2715

Number of atoms

105885

Elements included

Cs, I, Pb

Properties included

energy, atomic forces, cauchy stress


Usage

  • ds.parquet : Aggregated dataset information.
  • co/ directory: Configuration rows each include a structure, calculated properties, and metadata.
  • cs/ directory : Configuration sets are subsets of configurations grouped by some common characteristic. If cs/ does not exist, no configurations sets have been defined for this dataset.
  • cs_co_map/ directory : The mapping of configurations to configuration sets (if defined).

ColabFit Exchange documentation includes descriptions of content and example code for parsing parquet files:

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