Hi Jon,
Recently, I had the same problem:
http://www.mail-archive.com/ccp4bb@jiscmail.ac.uk/msg11138.html
I suspect that Sketcher will always give you the trans isomer. Therefore,
you have to edit the torsion angle in _mon_lib.cif manually as indicated
by Liz Potterton in the previous post. T
Hi,
I'm using Sketcher to create the following:
C=C C=C
/ \ / \
C CC
The problem is that I can't figure out how to keep the carbons cis. I see
the "Add Row" button in Sketcher and I can specify the "Sign." There are
also spaces to fill in "B/3" F/4" "1/5