[gmx-users] Restraints of COM

Eudes Fileti fileti at ufabc.edu.br
Mon Apr 5 14:59:23 CEST 2010

Hello everybody, I have two benzene molecules and I
want to restrain them only by their center of mass. The
conversation below (between Shirts and Spoel) gave me
some ideas but still I couldnt solve the problem. In particular
I'm not seeing any way to create this user group, nor how to
calculate its center of mass. Could someone give me a
hand with that?
Eudes Eterno Fileti
Centro de Ciências Naturais e Humanas
Universidade Federal do ABC — CCNH
Av. dos Estados, 5001
Santo André - SP - Brasil
CEP 09210-971
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