Add Matbench_perovskites files

README.md

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+---
+configs:
+- config_name: default
+  data_files: "co/*.parquet"
+- config_name: info
+  data_files: "ds.parquet"
+license: mit
+tags:
+- molecular dynamics
+- mlip
+- interatomic potential
+pretty_name: Matbench perovskites
+---
+### <details><summary>Cite this dataset </summary>Dunn, A., Wang, Q., Ganose, A., Dopp, D., and Jain, A. _Matbench perovskites_. ColabFit, 2024. https://doi.org/10.60732/c2d25b5f</details>  
+#### This dataset has been curated and formatted for the ColabFit Exchange  
+#### This dataset is also available on the ColabFit Exchange:  
+https://materials.colabfit.org/id/DS_sinisy47w8ff_0  
+#### Visit the ColabFit Exchange to search additional datasets by author, description, element content and more.  
+https://materials.colabfit.org
+<br><hr>  
+# Dataset  Name  
+Matbench perovskites  
+### Description  
+The Matbench_perovskites dataset is a Matbench v0.1 test dataset for predicting formation energy from crystal structure. Adapted from an original dataset generated by Castelli et al. Refer to the Automatminer/Matbench publication for more details. This dataset contains the energy of formation of the entire 5-atom perovskite cell in eV as calculated by RPBE GGA-DFT. Note the reference state for oxygen was computed from oxygen's chemical potential in water vapor, not as oxygen molecules, to reflect the application for which these perovskites were studied. Matbench is an automated leaderboard for benchmarking state of the art ML algorithms predicting a diverse range of solid materials' properties. It is hosted and maintained by the Materials Project.  
+### Dataset authors  
+Alexander Dunn, Qi Wang, Alex Ganose, Daniel Dopp, Anubhav Jain  
+### Publication  
+https://doi.org/10.1039/C2EE22341D  
+### Original data link  
+https://matbench.materialsproject.org/  
+### License  
+MIT  
+### Number of unique molecular configurations  
+18926  
+### Number of atoms  
+94630  
+### Elements included  
+Ag, Al, As, Au, B, Ba, Be, Bi, Ca, Cd, Co, Cr, Cs, Cu, F, Fe, Ga, Ge, Hf, Hg, In, Ir, K, La, Li, Mg, Mn, Mo, N, Na, Nb, Ni, O, Os, Pb, Pd, Pt, Rb, Re, Rh, Ru, S, Sb, Sc, Si, Sn, Sr, Ta, Te, Ti, Tl, V, W, Y, Zn, Zr  
+### Properties included  
+formation energy, cauchy stress  
+<br>
+<hr>  
+
+# 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).  
+<br>
+#### ColabFit Exchange documentation includes descriptions of content and example code for parsing parquet files:  
+- [Parquet parsing: example code](https://materials.colabfit.org/docs/how_to_use_parquet)  
+- [Dataset info schema](https://materials.colabfit.org/docs/dataset_schema)  
+- [Configuration schema](https://materials.colabfit.org/docs/configuration_schema)  
+- [Configuration set schema](https://materials.colabfit.org/docs/configuration_set_schema)  
+- [Configuration set to configuration mapping schema](https://materials.colabfit.org/docs/cs_co_mapping_schema)  

co/co_0.parquet

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+oid sha256:437b426f78b0237a77c51af87ed1ba10bfe40717ef8dc062b3b71d0b08018a66
+size 8423325

ds.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:c3e8daaeafa4032eec62c34bd6b9704951b3a7029d9d483fb58ec6c726d200df
+size 19130