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ÅäºÏÎï1ÖеÄN3-ΪEOÇÅÁª£¬ÇÅÁª¼ü³¤·Ö±ðΪMn(4)-N(5)£½2.323(8) Å£¬Mn(1)-N(5) 2.474(6) Å£¬ÇŽÇ81.6¶È¡£ÓÉÓÚN(5)¶ÔMn(4)ºÍMn(1)Àë×Ó¶¼ÊÇÖáÏòÅä룬ËùÒÔ³öÏÖÁËÈç´ËµÍµÄÇŽǡ£¾Ý×÷ÕßËùÖª£¬µ½Ä¿Ç°ÎªÖ¹ÕâÊǵþµªÇÅÁªÅäºÏÎï³öÏֵĵÄ×îµÍÇŽǣ¬ÅäºÏÎï1ÖеÄN3-Àë×Ó¼¸ºõ³ÉÖ±Ïߣ¬ÏàÓ¦µÄ½Ç¶ÈΪ178.1(10)o£¨N(5)-N(6)-N(7)£©¡£ÅäºÏÎïÖÐµÄÆäËüÅäλ¼ü³¤¾ùÔÚÎÄÏ×±¨µÀµÄ·¶Î§ÄÚ ¡£·Ö×ÓÖÐ×î¶ÌµÄÁ½¸ö½ðÊô¼ä¾àÀëΪ2.9698(13) źÍ3.1376(14) Å¡£ÓÉÓÚ´óÁ¿¾§¸ñË®µÄ´æÔÚ£¬Ê¹ÅäºÏÎï·Ö×Ó¼äͨ¹ýÇâ¼üÁ¬½ÓÐγÉÁËÈçͼ5.4ËùʾµÄÈýÎ¬ÍøÂç¡£ N3- in complex 1 is EO bridging and the bond distance are Mn(4)-N(5)£½2.323(8) Å£¬Mn(1)-N(5)= 2.474(6) Å respectively, bridging angles is 81.6. The reason of appearing so low bridging angles is that N(5) is axial coordination with Mn(4) and Mn(1) ions. According to the authors , this is a minimum bridging angle of azide bridging complexes so far. N3- ion in complex almost a straight line and the corresponding angle is 178.1£¨N(5)-N(6)-N(7)£©. д²»ÏÂÈ¥ÁË¡¡ |
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qfzcom
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2Â¥2013-12-14 13:08:08
zyxr
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3Â¥2013-12-14 16:36:33
RXMCDM
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zyxr: ½ð±Ò+10, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú, ±ÈÎÒ×Ô¼º·ÒëµÄÒªºÃºÜ¶à 2013-12-15 12:13:15
zyxr: ½ð±Ò+10, ·ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú, ±ÈÎÒ×Ô¼º·ÒëµÄÒªºÃºÜ¶à 2013-12-15 12:13:15
| N3- in complex 1 is EO-bridged with bridging bond lengths of Mn (4)-N (5) = 2.323 (8) Å, Mn (1)-N (5) 2.474 (6) Å, and bridge angle 81.6 degrees. N (5) for Mn (4) and Mn (1) ions are axial ligands, that is why bridge angle is so low . To the authors' knowledge, this is the lowest bridge of azide bridging complexes and N3-ion in the complexes 1 is almost a straight line with angle of 178.1 (10) o (N (5) - N (6)-N (7)). The scope of the other ligand bond lengths in the complexes are similal to reported literature. Shortest intermolecular distance between two metal atom was 2.9698 (13) Å and 3.1376 (14) Å. Due to the presence of a large number of lattice water, the complex molecules hydrogen bonding formed a three-dimensional network shown in Figure 5.4. |

4Â¥2013-12-14 18:50:27
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5Â¥2013-12-15 12:13:33













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