摘要:
The tris(imidazolyl) cavitand ligand, 1,3,5-triethyl-2,4,6-tris[N-methyl-imidazol-2-yl-thiomethyl]benzene, TriMIm, is used to prepare monomeric aqua complexes of cadmium and zinc with the general formula, [(TriMIm)M(OH2)]X-2 (M=Cd, X=BF4; M=Zn, X=BF4 or NO3). The molecular structures of each species are characterized by trigonal pyramidal metal ion coordination and hydrogen-bonding between the bound water molecule and the non-coordinating counter ions. The binuclear zinc hydroxo-bridged complex, [{(TriMIm)Zn}(2)(mu-OH)](BF4)(3), has been characterized by X-ray diffraction methods. (C) 2003 Elsevier Ltd. All rights reserved.