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| Hauptseite > Publikationsdatenbank > Replication Data and Code for: 'Machine learning isotropic g values of radical polymers' > print |
| Hauptseite > Publikationsdatenbank > Replication Data and Code for: 'Machine learning isotropic g values of radical polymers' > print |
| 001 | 1028902 | ||
| 005 | 20240725202008.0 | ||
| 024 | 7 | _ | |a 10.26165/JUELICH-DATA/TOBXWP |2 doi |
| 037 | _ | _ | |a FZJ-2024-04862 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Daniel, Davis Thomas |0 P:(DE-Juel1)185897 |b 0 |e Corresponding author |u fzj |
| 245 | _ | _ | |a Replication Data and Code for: 'Machine learning isotropic g values of radical polymers' |
| 260 | _ | _ | |c 2024 |b Jülich DATA |
| 336 | 7 | _ | |a MISC |2 BibTeX |
| 336 | 7 | _ | |a Dataset |b dataset |m dataset |0 PUB:(DE-HGF)32 |s 1721888742_4783 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Chart or Table |0 26 |2 EndNote |
| 336 | 7 | _ | |a Dataset |2 DataCite |
| 336 | 7 | _ | |a DATA_SET |2 ORCID |
| 336 | 7 | _ | |a ResearchData |2 DINI |
| 520 | _ | _ | |a This data repository contains the data sets and python scripts associated with the manuscript 'Machine learning isotropic g values of radical polymers '. Electron paramagnetic resonance measurements allow for obtaining experimental g values of radical polymers. Analogous to chemical shifts, g values give insight into the identity and environment of the paramagnetic center. In this work, Machine learning based prediction of g values is explored as a viable alternative to computationally expensive density functional theory (DFT) methods. Description of folder contents (switch to tree view): Datasets : Contains PTMA polymer structures from TR, TE-1, and TE-2 data sets transformed using a molecular descriptor (SOAP, MBTR or DAD) and corresponding DFT-calculated g values. Filenames contain 'PTMA_X' where X denotes the number of monomers which are radicals. Structure data sets have 'structure_data' in the title, DFT calculated g values have 'giso_DFT_data' in the title. The files are in .npy (NumPy) format. Models : ERT models trained on SOAP, MBTR and DAD feature vectors. Scripts : Contains scripts which can be used to predict g values from XYZ files of PTMA structures with 6 monomer units and varying radical density. The script 'prediction_functions.py' contains the functions which transform the XYZ coordinates into an appropriate feature vector which the trained model uses to predict. Description of individual functions are also given as docstrings (python documentation strings) in the code. The folder also contains additional files needed for the ERT-DAD model in .pkl format. XYZ_files : Contains atomic coordinates of PTMA structures in XYZ format. Two subfolders : WSD and TE-2 correspond to structures present in the whole structure data set and TE-2 test data set (see main text in the manuscript for details). Filenames in the folder 'XYZ_files/TE-2/PTMA-X/' are of the type 'chainlength_6ptma_Y'_Y''.xyz' where 'chainlength_6ptma' denotes the length of polymer chain (6 monomers), Y' denotes the proportion of monomers which are radicals (for instance, Y' = 50 means 3 out of 6 monomers are radicals) and Y'' denotes the order of the MD time frame. Actual time frame values of Y'' in ps is given in the manuscript. PTMA-ML.ipynb : Jupyter notebook detailing the workflow of generating the trained model. The file includes steps to load data sets, transform xyz files using molecular descriptors, optimise hyperparameters , train the model, cross validate using the training data set and evaluate the model. PTMA-ML.pdf : PTMA-ML.ipynb in PDF format. List of abbreviations : PTMA : poly(2,2,6,6-tetramethyl-1-piperidinyloxy-4-yl methacrylate) TR : Training data set TE-1 : Test data set 1 TE-2 : Test data set 2 ERT : Extremely randomized trees WSD : Whole structure data set SOAP : Smooth overlap of atomic orbitals MBTR : Many-body tensor representation DAD : Distances-Angles-Dihedrals |
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| 588 | _ | _ | |a Dataset connected to DataCite |
| 700 | 1 | _ | |a Mitra, Souvik |0 0009-0005-9476-980X |b 1 |
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| 773 | _ | _ | |a 10.26165/JUELICH-DATA/TOBXWP |
| 856 | 4 | _ | |u https://doi.org/10.26165/JUELICH-DATA/TOBXWP |
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