Synthesis, structural characterisation and magnetic behaviour of three new dinuclear end-to-end thiocyanato bridged copper(II) compounds derived from tridentate amines
作者:Ramon Vicente、Albert Escuer、Evaristo Peñalba、Xavier Solans、Mercè Font-Bardı́a
DOI:10.1016/s0020-1693(96)05197-3
日期:1997.2
169(2), b=13.842(2), c=12.071(2) Å, V=2534.5(6) Å3, Dx=1.773 g cm−3, Z=4, F(000)=1384, μ(Mo Kα)=21.07 cm−1, λ(Mo Kα)=0.71069 Å, 293(2) K. The magnetic susceptibility data of 1, 2 and 3 recorded from 290 to 4 K show that all three are virtually uncoupled compounds. The polycrystalline powder ESR spectra of 1, 2 and 3 recorded at 4, 77, 180 and 298 K remain unchanged, with g‖=2.18 and g⊥=2.06 for 1 and
化合物[Cu 2(μ-SCN)2(Et 3 dien)2(ClO 4)2 ](1),[Cu 2(μ-SCN)2(Me 5 dien)2 ](ClO 4)2(2)和[Cu 2(μ-SCN)2(ept)2(ClO 4)2 ](3),其中Et 3 dien为1,4,7-三乙基二亚乙基三胺,Me 5 dien为1,1,4,7, 7-五甲基二亚乙基三胺,ept为N合成并表征了-(2-氨基乙基)-1,3-丙二胺。的晶体结构1,2和3是由单晶X射线分析测定。1:化学式C 22 H 50 Cl 2 Cu 2 N 8 O 8 S 2,M = 816.80,单斜,空间群P 2 1 / c,a = 12.623(4),b = 8.708(3),c = 17.150 (3)Å。β= 110.31(2)°,V = 1767.9(9)埃3,dx = 1.534 g cm -3,Z = 2,F(000)= 852,μ(MoKα