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zhangdaxin

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[求助] 与氧原子相连的氢键有多重取法-如何选择

lst文件中出现:
Hydrogen bonds with  H..A < r(A) + 2.000 Angstroms  and   110 deg.
O8-H5          0.738
------------------------------------------------------------------------------
Alternative approximate positions for H attached to O8:
   0.2869  0.0410  0.7159  O..O2   2.817      0.3729  0.0618  0.6271  O..O3   2.892      0.2637  0.0804  0.5739  O..O6   2.922      0.3194 -0.0165  0.6376  O..O1 [ -x+1/2, y-1/2, -z+3/2 ]  3.216   ------------------------------------------------------------------------------

   请高手指点氢应该如何选择?
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lichun1210(金币+1): 欢迎常来晶体版交流! 2011-09-14 16:09:57
zhangdaxin(金币+8): 2011-11-21 10:37:21
氢键形成一般这个角度为钝角,距离当然要小一些,这里正找其中的平衡,有可能氢键合适,但是会与其他原子之间的距离近,还有与所在母原子形成的角度是否合理,这些都要考虑。从以上看,你可以选择
2楼2011-09-14 15:55:53
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