Hi Egon,

Totally agree.
However, when explicite hydrogens have been added the it=false gives the
wrong result.

Peter


-----Original Message-----
From: Egon Willighagen [mailto:egon.willigha...@gmail.com] 
Sent: Friday, December 19, 2008 2:11 PM
To: Peter Maas
Cc: cdk-user@lists.sourceforge.net
Subject: Re: [Cdk-user] rotatable bonds

Hi Peter,

On Fri, Dec 19, 2008 at 2:03 PM, Peter Maas <peter.m...@specs.net> wrote:
> This issue came up more often.
> I think it is advised always to add explicite hydrogens when calculating
> qsar properties.
> At one point somebody checked all cases to make sure hydrogens were
removed
> when this was really needed. I think in the case of rotable bonds this
> should also be done. Otherwise the parameter "include terminals"= false
> won't work properly.

OK, so, we should expect (it=include terminals):

ethane: RotB=1, it=false -> 0
butane: RotB=3, it=false -> 1

Correct?

Egon

-- 
----
http://chem-bla-ics.blogspot.com/


------------------------------------------------------------------------------
_______________________________________________
Cdk-user mailing list
Cdk-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/cdk-user

Reply via email to