Data-driven discovery of organic electronic materials enabled by hybrid top-down/bottom-up design

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{
  "revision": 7, 
  "id": "1561", 
  "created": "2022-12-02T14:47:01.636115+00:00", 
  "metadata": {
    "doi": "10.24435/materialscloud:j6-e2", 
    "status": "published", 
    "title": "Data-driven discovery of organic electronic materials enabled by hybrid top-down/bottom-up design", 
    "mcid": "2022.162", 
    "license_addendum": null, 
    "_files": [
      {
        "description": "README file detailing the contents of this record.", 
        "key": "README.txt", 
        "size": 984, 
        "checksum": "md5:9cfe7467dc8b61f90bcdac45a6174ddb"
      }, 
      {
        "description": "CSV file containing the tabulated properties for the FORMED database.", 
        "key": "Data_FORMED.csv", 
        "size": 99694228, 
        "checksum": "md5:9f31404de41180f603c86027993b8677"
      }, 
      {
        "description": "CSV file containing the tabulated properties for the selected dimers.", 
        "key": "Data_dimers_selected.csv", 
        "size": 697042, 
        "checksum": "md5:4aad2e015bacc3f7be16b63a6678602b"
      }, 
      {
        "description": "CSV file containing the tabulated properties (obtained with ML) for the predicted dimers.", 
        "key": "Data_dimers_predicted.csv", 
        "size": 105235515, 
        "checksum": "md5:ae8916898d920626f346d6c6ba8dd42b"
      }, 
      {
        "description": "Compressed file with all the XYZ files of the FORMED database.", 
        "key": "XYZ_FORMED.tar.gz", 
        "size": 99371312, 
        "checksum": "md5:584c00f6fbd6d56b0055685938848654"
      }, 
      {
        "description": "Compressed file with all the XYZ files of the selected dimers.", 
        "key": "XYZ_dimers_selected.tar.gz", 
        "size": 2415084, 
        "checksum": "md5:20789d5a174f5fa27cd0226c5ca2ffa8"
      }, 
      {
        "description": "Compressed file with all the XYZ files of the predicted dimers.", 
        "key": "XYZ_dimers_predicted.tar.gz", 
        "size": 896502784, 
        "checksum": "md5:2f54d2274ed5fe3ceda5027ea7d567a9"
      }, 
      {
        "description": "Chemiscope file containing the properties and structures of the FORMED database.", 
        "key": "FORMED_chemiscope.json.gz", 
        "size": 94007012, 
        "checksum": "md5:05236f475f8c01672bc313480df7a549"
      }, 
      {
        "description": "Chemiscope file containing the properties and structures of the selected dimers.", 
        "key": "Dimers_selected_chemiscope.json.gz", 
        "size": 2131293, 
        "checksum": "md5:547a7fb2245ae0a5ef4d4edd1752c1f8"
      }, 
      {
        "description": "Chemiscope file containing the properties and structures of the predicted dimers.", 
        "key": "Dimers_predicted_chemiscope.json.gz", 
        "size": 824086980, 
        "checksum": "md5:1682a79e2f29fffadffeadb7173a4733"
      }, 
      {
        "description": "Notebook exemplifying how the provided XYZ structures and csv files can be combined to generate the Chemiscope json files.", 
        "key": "chemiscopify.ipynb", 
        "size": 37872266, 
        "checksum": "md5:3885bfbfcba50076deb2914be9e52979"
      }
    ], 
    "owner": 643, 
    "_oai": {
      "id": "oai:materialscloud.org:1561"
    }, 
    "keywords": [
      "organic molecules", 
      "crystal structures", 
      "optical properties", 
      "photophysical properties", 
      "donor-acceptor copolymers"
    ], 
    "conceptrecid": "1560", 
    "is_last": false, 
    "references": [
      {
        "type": "Journal reference", 
        "comment": "Manuscript to be submitted. Reference will be updated shortly.", 
        "citation": "J. T. Blaskovits, R. Laplaza, S. Vela, C. Corminboeuf, To be submitted (2022)"
      }
    ], 
    "publication_date": "Dec 05, 2022, 16:41:42", 
    "license": "Creative Commons Attribution 4.0 International", 
    "id": "1561", 
    "description": "The high-throughput molecular exploration and screening of organic electronic materials often starts with either a 'top-down' mining of existing repositories, or the 'bottom-up' assembly of fragments based on predetermined rules and known synthetic templates. In both instances, the datasets used are often produced on a case-by-case basis, and require the high-quality computation of electronic properties and extensive user input: curation in the top-down approach, and the construction of a fragment library and introduction of rules for linking them in the bottom-up approach. Both approaches are time-consuming and require significant computational resources. Here, we generate a top-down set named FORMED consisting of 117K synthesized molecules containing their optimized structures, associated electronic and topological properties and chemical composition, and use these structures as a vast library of molecular building blocks for bottom-up fragment-based materials design. A tool is developed to automate the coupling of these building block units based on their available Csp2-H bonds, thus providing a fundamental link between the two philosophies of dataset construction. Statistical models are trained on this dataset and a subset of the resulting hybrid top-down/bottom-up compounds (selected dimers), which enable on-the-fly prediction of key ground state (frontier molecular orbital gaps) and excited state (S1 and T1 energies) properties from molecular geometries with high accuracy across all known p-block organic compound space.\nWith access to ab initio-quality optical properties in hand, it is possible to apply this bottom-up pipeline using existing compounds as molecular building blocks to any materials design campaign. To illustrate this, we construct and screen over a million molecular candidates (predicted dimers) for efficient intramolecular singlet fission, the leading candidates of which provide insight into the structural features that may promote this multiexciton-generating process.", 
    "version": 1, 
    "contributors": [
      {
        "affiliations": [
          "Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), 1015 Lausanne, Switzerland"
        ], 
        "familyname": "Blaskovits", 
        "givennames": "J. Terence"
      }, 
      {
        "affiliations": [
          "Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), 1015 Lausanne, Switzerland"
        ], 
        "familyname": "Laplaza", 
        "givennames": "R."
      }, 
      {
        "affiliations": [
          "Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), 1015 Lausanne, Switzerland"
        ], 
        "familyname": "Vela", 
        "givennames": "S."
      }, 
      {
        "email": "clemence.corminboeuf@epfl.ch", 
        "affiliations": [
          "Laboratory for Computational Molecular Design, Institute of Chemical Sciences and Engineering, Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), 1015 Lausanne, Switzerland"
        ], 
        "familyname": "Corminboeuf", 
        "givennames": "C."
      }
    ], 
    "edited_by": 576
  }, 
  "updated": "2023-03-22T15:32:00.403547+00:00"
}