X-ray crystal structures, spectroscopic and magnetic measurements of dinuclear alkoxo-bridged copper(II) compounds with substituted bis(2-benzimidazolyl)alkane ligands. First X-ray structure of a copper(II) dinuclear propoxo-bridged compound
作者:Gerard A van Albada、Ilpo Mutikainen、Ivonne Riggio、Urho Turpeinen、Jan Reedijk
DOI:10.1016/s0277-5387(01)00903-2
日期:2002.1
new alkoxo-bridged dinuclear copper(II) compounds are described, all having the general formula [Cu2(L)2(RO−)2](ClO4)2(ROH)y(H2O)z, in which L=b2b (bis(2-benzimidazolyl)-2-butane) and b3b (bis(2-benzimidazolyl)-3-butane), ROH=MeOH, EtOH, 1-PrOH, y=1 or 2, z=0 or 3. The X-ray structure has been solved from two compounds; [Cu2(b2b)2(OCH3)2](ClO4)2(CH3OH)2(H2O)3 (1) and from compound [Cu2(b3b)2(C3H7O)2](ClO4)2(C3H7OH)2
的合成和三个新的烷氧桥连的双核铜表征被描述(II)化合物中,所有具有通式[铜2(L)2(RO - )2 ](CLO 4)2(ROH)ý(H 2 ö )z,其中L = b2b(双(2-苯并咪唑基)-2-丁烷)和b3b(双(2-苯并咪唑基)-3-丁烷),ROH = MeOH,EtOH,1-PrOH,y = 1或2 ,z = 0或3。X射线结构已由两种化合物解析;[Cu 2(b2b)2(OCH 3)2 ](ClO 4)2(CH3 OH)2(H 2 O)3(1)和化合物[Cu 2(b3b)2(C 3 H 7 O)2 ](ClO 4)2(C 3 H 7 OH)2(3)。这两种化合物由双核Cu(II)单元和1个桥联的甲氧基和一个3个桥联的丙氧基组成,两个配体通过N与每个铜相连,从而提供了方形的CuN 2 O 2发色团。后者是第一个带有架桥丙氧基的双核Cu(II)X射线结构。两种双核化合物都是抗磁性的。