From: He Yuhui (yuhuihe_at_ime.pku.edu.cn)
Date: Sun Aug 09 2009 - 20:12:21 CDT
I am doing some research on DNA and gold electrode systems. When
generating psf files, I set 12 types of Au atoms according to their bond
numbers. That is, Au_1, Au_2, ..., Au_12.
However, it will be very tedious when I modify the CHARMM force-field
parameter files, e.g., I have to write about 12*11*10/(3*2) lines on
Au_1 Au_2 Au_3 ... ...
Au_1 Au_2 Au_4 ... ...
So I wonder whether I can write just one line with an asterisk
Au_* Au_* Au_* ... ...
Thanks and Regards!
--- Dr. Yuhui He(何毓辉) Institute of Microelectronics, Chinese Academy of Sciences Beijing 100029, China
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