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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Why is my search taking so long?
… the most common elements (C,N,O) and are connected by single or Any bond types. Substructure searches for large (>12-membered) rings, especially …
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How does the similarity search work?
… The similarity search in WebCSD is based on molecular fingerprints that are calculated using the chemical features of the molecule such as atom types, bond …
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What is the z-score listed in the summary statistics for each 3D bond and valence angle search result?
… What is the z-score listed in the summary statistics for each 3D bond and valence angle search result? …
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What are the criteria for deposition to the CCDC?
… bond and borazines ring compounds containing any two of the following elements: N, P, S, Se and Te Organic and metal-organic compounds are defined as all …
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Is there a way to change the colour and size of the H-bonds?
… Yes, it is possible to change the colour and/or style of specific non-bonded contacts. Right click on the relevant contact, then select either your chosen …
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How can I classify the chirality at stereocentres in my structure using Mercury?
… structures visualised have bond types assigned. Any identified stereocentres are assessed using Cahn-Ingold-Prelog (CIP) priority rules (including special CIP …
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Is it possible to specify stereochemical configuration when constructing a query using the sketcher?
… in these diagrams. As a result, it is not possible to sketch a query in terms of 'up and down' or 'dark filled/dashed line' bond representation. Absolute …
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