One of the world's Largest Quantum Chemical Dataset

164,000+

Unique Small Molecules

10 million+

Bond strengths

16+

Quantum Chemical Parameters

9 million+

2000+

5 million+

Quantum mechanical data for FDA-approved compounds

Calculated atomic charges

Optimized coordinates

QM40 sample

The dataset is under continuous updating

The QM40 can represent nearly 90% of the chemical space of FDA-approved drugs

B3LYP/6-31G(2df,p) level of DFT Calculations

Local vibrational mode force constants