Computational Chemistry
ZINC-22 Tranche Browser showing molecular count distribution

ZINC-22: Multi-Billion Molecule Database

A dataset card for ZINC-22, the largest freely available database of commercially available compounds for virtual …

Computational Chemistry
Aspirin molecular structure generated from SMILES string

Converting SMILES Strings to 2D Molecular Images

Learn how to create 2D molecular images from SMILES strings using RDKit and PIL, with proper formatting and legends.

Computational Chemistry
Methoxybenzonitrile

SMILES (Simplified Molecular Input Line Entry System)

SMILES is a specification for describing the structure of chemical molecules using short ASCII strings....

Computational Chemistry
GDB-11 molecule structure showing FC1C2OC1c3c(F)coc23

GDB-11: Chemical Universe Database (26.4M Molecules)

A dataset card for the Generated Database 11 (GDB-11), a database of 26.4 million small organic molecules for virtual …

Computational Chemistry
GDB-13 molecule structure showing CCCC(O)(CO)CC1CC1CN

GDB-13: Chemical Universe Database (970M Molecules)

A dataset card for the Generated Database 13 (GDB-13), a database of nearly 1 billion small organic molecules for …

Computational Chemistry
GDB-17 molecule structure showing complex polycyclic architecture

GDB-17: Chemical Universe Database (166B Molecules)

Dataset card for GDB-17, containing 166 billion small organic molecules representing the largest enumerated chemical …

Computational Chemistry
Charts showing Dunn Index, distance metrics, and computation time analysis revealing clustering performance degradation with molecular size

Can You Hear the Shape of a Molecule? (Part Two)

Clustering analysis reveals why Coulomb matrix eigenvalues struggle with larger alkanes, using Dunn Index and silhouette …

Computational Chemistry
3D ball-and-stick model of butane molecule showing linear carbon chain structure

Can You Hear the Shape of a Molecule?

Explore molecular shape recognition using Coulomb matrix eigenvalues. Analysis of alkane isomers from data generation to …