metadata
			language: []
pretty_name: ZINC-12K
config_name: zinc-12k
dataset_size: 12000
size_categories: 10K<n<100K
license: other
license_link: https://zinc15.docking.org/usage/
tags:
  - graphs
  - molecules
  - chemistry
  - parquet
task_categories:
  - graph-regression
homepage: https://zinc15.docking.org/
zinc-12k
ZINC molecular graphs with categorical atom/bond encodings for regression of constrained solubility targets. This is a smaller subset of the ZINC dataset for faster experimentation and prototyping.
License: ZINC 15 terms of use (public domain molecules, cite ZINC)
Splits
| Split | Rows | File | Size (MB) | 
|---|---|---|---|
| train | 10,000 | train.parquet | 
~0.83 | 
| validation | 1,000 | val.parquet | 
~0.08 | 
| test | 1,000 | test.parquet | 
~0.08 | 
Features
- mol_id: int64 unique identifier per molecule
 - x: list[int64], shape (num_nodes,), atomic type categorical index
 - edge_index: int64[2, num_edges], COO adjacency
 - edge_attr: list[int64], shape (num_edges,), bond type categorical index
 - num_nodes: int64 number of atoms
 - y: float32 graph-level target (constrained solubility)
 
Citation
@article{irwin2012zinc,
  title={ZINC: A Free Tool to Discover Chemistry for Biology},
  author={Irwin, John J and Sterling, Teague and Mysinger, Michael M and Bolstad, Erik S and Coleman, Ryan G},
  journal={Journal of Chemical Information and Modeling},
  volume={52},
  number={7},
  pages={1757--1768},
  year={2012},
  publisher={American Chemical Society}
}