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README.md
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---
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configs:
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- config_name: default
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data_files: "main/*.parquet"
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license: cc0-1.0
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tags:
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- molecular dynamics
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- mlip
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- interatomic potential
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pretty_name: flexible molecules JCP2021
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---
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### Cite this dataset
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Vassilev-Galindo, V., Fonseca, G., Poltavsky, I., and Tkatchenko, A. _flexible molecules JCP2021_. ColabFit, 2023. https://doi.org/10.60732/71f8031b
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### View on the ColabFit Exchange
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https://materials.colabfit.org/id/DS_i23sbm1o45sj_0
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# Dataset Name
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flexible molecules JCP2021
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### Description
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Configurations of azobenzene featuring a cis to trans thermal inversion through three channels: inversion, rotation, and rotation assisted by inversion; and configurations of glycine as a simpler comparison molecule. All calculations were performed in FHI-aims software using the Perdew-Burke-Ernzerhof (PBE) exchange-correlation functional with the Tkatchenko-Scheffler (TS) method to account for van der Waals (vdW) interactions. The azobenzene sets contain calculations from several different MD simulations, including two long simulations initialized at 300 K; short simulations (300 steps) initialized at 300 K and shorter (.5fs) timestep; four simulations, two starting from each of cis and trans isomer, at 750 K (initialized at 3000 K); and simulations at 50 K (initialized at 300 K). The glycine isomerization set was built using one MD simulation starting from each of two different minima. Initializatin and simulation temperature were 500 K.
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<br>Additional details stored in dataset columns prepended with "dataset_".
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### Dataset authors
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Valentin Vassilev-Galindo, Gregory Fonseca, Igor Poltavsky, Alexandre Tkatchenko
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### Publication
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https://doi.org/10.1063/5.0038516
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### Original data link
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https://doi.org/10.1063/5.0038516
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### License
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CC0-1.0
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### Number of unique molecular configurations
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69182
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### Number of atoms
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1520340
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### Elements included
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C, H, N, O
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### Properties included
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energy, atomic forces, cauchy stress
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