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C(8)-N(2) ¡¢C(7)-N(1)µÄ¼ü³¤·Ö±ðΪΪ1.481(2)Å¡¢1.474(2)Å£¬½Ó½üµäÐ͵ÄC-N¼ü¼ü³¤1.47-1.50Å£»ÓÉÓÚN(1)ºÍN(2)µÄ¹Â¶Ôµç×Ó·Ö±ðÓë±½»··¢Éúp-¦Ð¹²éîЧӦ£¬Ôì³ÉC(1)-N(2)¡¢C(6)-N(1)µÄ¼ü³¤·Ö±ðËõ¶ÌΪ1.430(2)Å¡¢1.427(2)Å£»C(7)-C(8) µÄ¼ü³¤Îª1.514(3)Å£¬½Ó½üµäÐ͵ÄC-C¼ü³¤1.53Å£»C(9)-O(1)¡¢C(11)-O(2)µÄ¼ü³¤·Ö±ðΪ1.211(2)Å¡¢1.214(2)Å£¬½Ó½üC=OµÄ¼ü³¤(1.21Å-1.23Å£»N(1)µÄ¹Â¶Ôµç×ÓÓëC(11)-O(2)µÄË«¼ü·¢Éúp-¦Ð¹²éîЧӦ£¬Ôì³ÉC(11)-N(1)µÄ¼ü³¤Ëõ¶ÌΪ1.352(2)Å£»N(2)µÄ¹Â¶Ôµç×ÓÓëC(9)-O(1)µÄË«¼ü·¢Éúp-¦Ð¹²éîЧӦ£¬Ôì³ÉC(9)-N(1)µÄ¼ü³¤Ëõ¶ÌΪ1.362(2)Å¡£

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sltmac: ½ð±Ò+1 2012-08-03 14:22:33
qulihua: ½ð±Ò+10, ·­ÒëEPI+1 2012-08-03 15:50:16
The bond lengths of C8-N2 and C7-N1 are 1.481(2) Å and 1.474(2) Å respectively, which are close to 1.47-1.50A, the typical C-N bond length. Because the lone pairs of N1 and N2 have p-¦Ð conjugation with benzene ring respectively, the bond lengths of C1-N2 and C6-N1 decrease to 1.430(2) Å and 1.427(2) Å. The bond length of C7-C8 is 1.514(3) Å, which is close to 1.53Å, the typical C-C bond length. The bond length of C9-O1 and C11-O2 are respectively 1.211(2) Å and 1.214(2) Å, which are close to 1.21Å-1.23Å, the C=O bond length. The lone pair electrons of N1 have p-¦Ð conjugation with double bond in C11-O2 and the bond length of C11-N1 decreases to 1.352(2)Å. The lone pair electrons of N2 have p-¦Ð conjugation with double bond in C9-O1 and the bond length of C9-N1 decreases to 1.362(2)Å.
2Â¥2012-08-03 08:29:07
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