no parameter for CN8-ON6

From: Dhiraj Srivastava (
Date: Wed Sep 06 2006 - 19:45:59 CDT

Hi all
        I was searching for the topology and parameter files for tetra
hydrofuroic acid and i got topology file for methyl tetra hydro furan in the
file topology/c32b1/toppar/stream/toppar_all27_na_model.str downloaded from

I have just replaced methyl group with carboxyl group and created the
topology file for tetrahydro furoic acid. i am using parameter file
par_all27_na.prm, also downloaded from same website but getting error
message that no parameters for CN8-ON6 bond. which parameter file should i
use for my new topology file of tetrahydrofuroic acid.

thanking you in advance for your help.

Dhiraj Kumar Srivastava
Department of Chemistry
University of Missouri-Columbia
MO, 65211
Ph. no. 001-573-639-0153

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