Send your message to support@lewisstructuregenerator.org.
For a chemistry correction, include: the formula or compound name, the page URL, what the site displayed, what you believe is incorrect and a supporting explanation or reference.
Useful report details
- Formula and charge notation
- Browser and device
- Screenshot, when helpful
- Exact error message
- Whether the result was local or labeled PubChem
Do not send
- Passwords or account credentials
- Confidential personal information
- Laboratory safety emergencies
- Clinical or medical information
- Requests to complete graded work dishonestly
Before reporting a limitation
The current version does not support every molecule, every resonance contributor, arbitrary uploaded drawings or interactive 3D models. Review the known limitations and methodology first.
Contact information reviewed July 15, 2026.