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ͩҶÏÂÆ®Óê(½ð±Ò+10, ·­ÒëEPI+1): ·Ç³£¸Ðл£¡~~ 2011-03-17 12:45:49
It is likely that some electrons delocalize to the neigboring C13 and C14 because of the conjugation between the pyridine ring and C-N bond.
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What¡¯s more, it may produce a large ¦Ð Conjugate from domain role between pyridine ring and C-N, and some of the electrons were scattered into the neighboring C13, C14#1 and N¡ªNi1, and perhaps that¡¯s why the bond length of Ni(1)-N(1) is shorter than the normal value but that of Ni(1)-N(3) is a little longer than it.
2Â¥2011-03-16 16:33:59
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