Contact
Questions about a result, a correction to a guide, or a suggestion for the calculator? Send a message and it will be read personally.
Helpful details to include
01
The SMILES string or file name you used, if your question is about a calculation.
02
The method you selected and the result you saw. The Copy result button in the calculator gives you all of it in one step.
03
For guide corrections, the page title and a source for the correct value.
Before writing, the Accuracy and Limitations page answers most questions about why a value differs from a published one.
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