FAQs
For questions not addressed by a support solution here, please Contact Us. Please do include a description of the problem as well as your operating system and version.
What can we help you with?
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What are the strengths/weaknesses of similarity searching in WebCSD?
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How does author name searching work?
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I find searching for polymeric structures difficult and I get results I don't fully understand. Can you explain how polymeric structures are defined so I can tailor my searches to be more effective?
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Why are my H-bond constraints not being taken into account?
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What should I sketch for a similarity search?
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Why has my substructure search given fewer hits than I expected?
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How do I find out more about Z' (number of molecules per asymmetric unit) in the CSD?
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How do I know whether to flip or rotate Ring-NHR, Ring-NR1R2 and protonated carboxylic acids when setting ligand flexibility?
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Can I add scatterplots for groups which are not included in the standard IsoStar library?
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Why has my compound name search given some unexpected hits?
Top Support Solutions
- CSD Portfolio software suites requirements and supported platforms
- What is the difference between the GoldScore, ChemScore, ASP and ChemPLP scoring functions provided with GOLD?
- How does the GOLD licensing system work?
- How should I reference GOLD?
- How do I sign into WebCSD and what are the benefits of signing in?
Newest Support Solutions
- "Cannot download archive" error when running the online installer
- Searches on macOS with cqbatch from the 2024.1 release may fail
- Documentation fails to open when launched from a CCDC application on linux
- How can I improve visualisation performance when running CCDC software over Remote Desktop Connection (RDP)?
- I am unable to set a file association (e.g. opening cif files with enCIFer) on Windows 11