Crystal structure of μ(3)-tetra-thio-anti-monato-tris[(cyclam)zinc(II)] tetra-thio-anti-monate aceto-nitrile disolvate dihydrate showing Zn disorder over the cyclam ring planes (cyclam = 1,4,8,11-tetra-aza-cyclo-tetra-deca-ne).

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作者:Näther Christian, Danker Felix, Bensch Wolfgang
Reaction of Zn(ClO(4))(2)·6H(2)O with cyclam (cyclam = 1,4,8,11-tetra-aza-cyclo-tetra-decane, C(10)H(24)N(4)) and Na(3)SbS(4) in an aceto-nitrile/water mixture led to the formation of crystals of the title compound, [Zn(3)(SbS(4))(C(10)H(24)N(4))(3)](SbS(4))·2CH(3)CN·2H(2)O or [(Zn-cyclam)(3)(SbS(4))(2)](H(2)O)(2)(aceto-nitrile)(2). The set-up of the crystal structure is similar to that of [(Zn-cyclam)(3)(SbS(4))(2)](.)8H(2)O reported recently [Danker et al. (2021 ▸). Dalton Trans. 50, 18107-18117]. The crystal structure of the title compound consists of three crystallographically independent Zn(II) cations (each disordered around centers of inversion), three centrosymmetric cyclam ligands, one SbS(4) (3-) anion, one water and one aceto-nitrile mol-ecule occupying general positions. The aceto-nitrile mol-ecule is equally disordered over two sets of sites. Each Zn(2+) cation is bound to four nitro-gen atoms of a cyclam ligand and one sulfur atom of the SbS(4) (3-) anion within a distorted square-pyramidal coordination. The cation disorder of the [Zn(cyclam)](2+) complexes is discussed in detail and is also observed in other compounds, where identical ligands are located above and below the [Zn(cyclam)](2+) plane. In the title compound, the building units are arranged in layers parallel to the bc plane forming pores in which the aceto-nitrile solvate mol-ecules are located. Inter-molecular C-H⋯S hydrogen bonding links these units to the SbS(4) (3-) anions. Between the layers, additional water solvate mol-ecules are present that act as acceptor and donor groups for inter-molecular N-H⋯O and O-H⋯S hydrogen bonding.

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