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Topic Title: ChemDraw16 Problem exporting and importing Dative bonds as V3000 MOL files
Topic Summary: Dative Bonds V3000 MOL
Created On: 8/10/2017 3:39 PM
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 8/10/2017 3:39 PM
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Joined: 1/28/2013

In ChemDraw16 when draw structure with dative bond e.g. Pyridinyl N -> Ir and save as V3000 MOL file, examining the text of the file shows the bond has type 1 not 9 (dative/coordinate).

Loading the v3000 mol file into ChemDraw gives a structure with charge separation N+ Ir-.

Drawing the same structure in Marvin Sketch and saving as a v3000 mol file gives the correct file content and it can be re-imported into Marvin Sketch correctly. Loading this file into ChemDraw does not give the right structure - now the bond is shown as a standard single bond and the N is flagged as bad valence.

Is this a known problem? Is there a solution?

 9/9/2017 2:35 AM
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PKI Ortega

Posts: 73
Joined: 10/13/2011


This also seems to occur in all previous versions of the software going back to version 13.

This behavior was already reported to our developers and we hope to have it corrected in a future release of the software.


- PKI Support

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