Add NEP_qHPF_test files

README.md

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+---
+configs:
+- config_name: default
+  data_files: "co/*.parquet"
+- config_name: info
+  data_files: "ds.parquet"
+license: cc-by-4.0
+tags:
+- molecular dynamics
+- mlip
+- interatomic potential
+pretty_name: NEP qHPF test
+---
+### <details><summary>Cite this dataset </summary>Ying, P. _NEP qHPF test_. ColabFit, 2023. https://doi.org/10.60732/f1e6e9fa</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_mc8p14cpn2ea_0  
+#### Visit the ColabFit Exchange to search additional datasets by author, description, element content and more.  
+https://materials.colabfit.org
+<br><hr>  
+# Dataset  Name  
+NEP qHPF test  
+### Description  
+The test set of a train and test set pair.The combined datasets comprise approximately 275 configurations of monolayer quasi-hexagonal-phase fullerene (qHPF) membrane used to train and test an NEP model.  
+### Dataset authors  
+Penghua Ying  
+### Publication  
+https://doi.org/10.1016/j.eml.2022.101929  
+### Original data link  
+https://doi.org/10.5281/zenodo.7018572  
+### License  
+CC-BY-4.0  
+### Number of unique molecular configurations  
+39  
+### Number of atoms  
+4680  
+### Elements included  
+C  
+### Properties included  
+energy, atomic forces, 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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+version https://git-lfs.github.com/spec/v1
+oid sha256:917ef79cbea8ca9364a12b811be6d101c218e305fa1a6f94855eae4b68866891
+size 225537

ds.parquet

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+version https://git-lfs.github.com/spec/v1
+oid sha256:b1ffa26c9143120ab5e65cacf37042f541d744e4e407c8ebf2c113cb16b22c82
+size 16414