​​The Cambridge Crystallographic Data Centre (CCDC).
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How are 2D chemical diagrams generated during the deposition process?


2D chemical diagrams are automatically generated by our internal processing system (CSD-Xpedite) using the 3D coordinates in the deposited files.

The system uses all the existing structures in the CSD to help in defining the most likely representation of the chemistry for the structure and an internal diagram generation program is used to produce the optimal layout for the chemical diagram.