Cyclic Trinuclear and Chain of Cyclic Trinuclear Copper(II) Complexes Containing a Pyramidal Cu<sub>3</sub>O(H) Core. Crystal Structures and Magnetic Properties of [Cu<sub>3</sub>(μ<sub>3</sub>-OH)(aaat)<sub>3</sub>(H<sub>2</sub>O)<sub>3</sub>](NO<sub>3</sub>)<sub>2</sub>·H<sub>2</sub>O [aaat = 3-Acetylamino-5-amino-1,2,4-triazolate] and {[Cu<sub>3</sub>(μ<sub>3</sub>-OH)(aat)<sub>3</sub>(μ<sub>3</sub>-SO<sub>4</sub>)]·6H<sub>2</sub>O}<sub><i>n</i></sub> [aat = 3-Acetylamino-1,2,4-triazolate]: New Cases of Spin-Frustrated Systems
作者:Sacramento Ferrer、Francesc Lloret、Ignacio Bertomeu、Gloria Alzuet、Joaquín Borrás、Santiago García-Granda、Malva Liu-González、Jaap G. Haasnoot
DOI:10.1021/ic020179+
日期:2002.11.1
reported with the ligand (H)aaat, consists of discrete trinuclear cations, associated NO(3)(-) anions and lattice water molecules. Compound 2 consists of unusual chains of trinuclear units with a tridentate sulfato group linking the trimeric units and water molecules stabilizing the crystal lattice. In both complexes, 1 and 2, the trinuclear [Cu(3)(OH)L(3)] unit contains a pyramidal Cu(3)-mu(3)OH core
具有1,2,4-三唑配体[[Cu(3)(mu(3)-OH)(aaat)(3)(H(2)O)(3)的环状三核型新铜(II)配合物](NO(3))(2).H(2)O [Haaat = 3-乙酰氨基-5-氨基-1,2,4-三唑](1)和([Cu(3)(mu(3) -OH)(aat)(3)(mu(3)-SO(4))]。6H(2)O)(n)[Haat = 3-乙酰氨基-1,2,4-三唑](2),已经通过X射线晶体学和磁测量来制备和表征。首次报道与配体(H)aaat的化合物1由离散的三核阳离子,相关的NO(3)(-)阴离子和晶格水分子组成。化合物2由三核单元的不寻常链组成,该链具有三齿硫酸根基团,将三聚体单元和稳定晶格的水分子连接在一起。在两个复合物1和2中,三核[Cu(3)(OH)L(3)]单元包含一个金字塔形的Cu(3)-mu(3)OH核和一个几乎平坦的Cu(3)N(6 )由N形成的环,N桥Triazolato组。Cu