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ÎÒµÄһƪ¸å×Ó£¬ÆÀÉóÈ˶ÔÈçºÎ¼ÓÇâÌá³öÁËÒÉÎÊ ¡°Authors state that position of all hydrogen atoms were calculated by geometrically. This is correct approach for H atoms at the carbons, for example, in the case of CH groups. However, it is very difficult to apply such method for determination of positions of hydrogen atoms of NH group due to potential pyramidality of the nitrogen atom. ¡± ÄÇλ¸ßÊÖ°ïÎÒ½â´ðһϡ¡ лл£¡ [ Last edited by jinjin_eva on 2007-12-13 at 21:06 ] |
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