Re: [Open Babel] Problem with gen3D keyword

2015-04-03 Thread Geoffrey Hutchison
The warnings are simply indicating that in the geometry optimization, the coordinates at that step were a bit rough and the gradient is high. They can be ignored. No, conformational search won't help here. -Geoff > Geoff, I'll try Avogadro, but my initial plan was to get the coordinates the >

Re: [Open Babel] Problem with gen3D keyword

2015-04-03 Thread Geoffrey Hutchison
>I get the xyz coordinates, but I also get a warning message: > WARNING: too small "scale" at Newton2NumLineSearch This is a minor warning from the geometry optimization. (Clearly I need to hide this.) > I need to grow the four alkyl chains of the structure. Why don't you create the methy

[Open Babel] Problem with gen3D keyword

2015-04-02 Thread Matthew Guberman
Hi, I am trying to convert the following SMILES string (to xyz coordinates (with explicit hydrogens). [S@]1(C)[Au][S@]([Au][S@](C)[Au][S@]([Au]1)C)C I get the xyz coordinates, but I also get a warning message: WARNING: too small "scale" at Newton2NumLineSearch I need to grow the fo