On 9/05/2011 5:23 PM, toby10222224 wrote:
Hi:
I have a carbon nanotube (CNT) and several carbonly groups (C=O). Meanwhile the carbonly carbon atoms are part of the CNT. That is to say an oxygen atom is attached to one carbon atom of the CNT to form a carbonyl group. All the carbon atoms are supposed to be fixed, while carbonyl carbon and oxygen atoms are supposed to have bond interactions. I can freeze the rest carbon atoms of the CNT, but how to deal with the carbonly atoms?

Well if you're prepared to model the CNT frozen, why not freeze the oxygen bound to it? Anything else sounds like a recipe for more trouble.

Mark
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