乙酸[2-(吡啶-2-基)苯基]汞(II)与2-硫尿嘧啶(H 2 tuc)在甲醇溶液中以1:1和2:1的摩尔比反应得到[Hg(C 6 H 4) C 5 H 4 N)(H 2 tuc)]和[{Hg(C 6 H 4 C 5 H 4 N)} 2(tuc)]。该斜空间群中的双金属络合物结晶P 2 1 / Ñ与一个= 10.706(1),b = 22.043(3),C ^ = 11.126(1)埃,β= 117.01(1)°和Ž= 4.复合分子通过弱分子间吡啶N⋯Hg键相互作用在中心对称二聚体中缔合。在两个有机金属阳离子中,一个与硫尿嘧啶N(3)原子[Hg(1)–N(3)2.12(1)Å]结合,另一个与S配位[Hg(2)–S 2.350 (5)Å]。原子Hg(1)还与O和S原子形成两个弱分子内键,并与Hg(1)(C 6 H 4 C 5 H 4 N)部分[Hg(1)⋯N 2.61(2)Å]。最后一种分子内键也存在,尽管在Hg(2)(C
First discrete six-coordinate [Hg(N4,N3,S-pytsc)2] complex with a uninegative pyridine-2-carbaldehyde thiosemicarbazonate
作者:Tarlok S. Lobana、Rekha、Alfonso Castineiras
DOI:10.1016/j.inoche.2005.09.001
日期:2005.12
Abstract First discrete example of six-coordinatemercury (II) complex, Hg(η 3 -N 4 ,N 3 ,S-pytsc) 2 1, with tridentate pyridine-2-carbaldehyde thiosemicarbazonate (pystc − ) anion having distorted trigonal prismatic geometry is described.