Hello, for 1) this is because a nitrogen atom is trivalent. To add another automatic hydrogen add a positive chargen, and then hide the charge using the contextual menu for the atom.
For 2) seems you hit a bug. Anyway, I could an arrow after several attempts, see attached file. I need to fix that (the issue seems to be related to the target nickel atom, not the water molecule). I don't know why you have three Ni atoms at the same position, is it wanted? or an undo (or some other operation) bug? Regards, Jean Le dimanche 22 mars 2015 à 21:17 +1030, Alex Jackson a écrit : > Hello, > > I recently downloaded GChemPaint and it seems good! I was having trouble > with a couple of things. I'm drawing this nickel complex (attached) and > I can't figure out how to: > > 1) Make the NH on the ligands into NH2. I can see why it's NH, because > the program thinks the N-C and N-Ni bond means there's only one more N-H > bond available, but actually there are two N-H bonds on this ligand. > > 2) I would like to use a curved arrow to represent electron pair > movement from the water molecule on the right toward the nickel centre. > When I click on the curved arrow tool though, it won't let me put an > arrow from the O, only from the NHs (which I don't want). > > I am using version 0.14.2 and Fedora 17. > > Thank you, > > Alex > _______________________________________________ > Gchemutils-main mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/gchemutils-main
hydro1.gchempaint
Description: application/gchempaint
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