SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF NEW COMPLEX TRANS-DINITRODIAQUA-BIS(1-PHENYLTETRAZOLE) COPPER(II)

Angstrom). A new complex CuL(2)(NO3)(2)(H2O)(2) (L = 1-phenyltetrazole ) was synthesized and characterized by X-ray crystallography. The coor dination polyhedron of Cu has the form of an elongated square bipyrami d with site symmetry (1) over bar. Two L Iigands (by N-4 donor atoms) and two water molecules are trans-coordinated to copper in the equator ial plane (Cu-N = 1.990(3), Cu-O = 1.984(3). The oxygen atoms of two N O3- ions occupy axial positions (Cu-O = 2.403(3) Angstrom). The angle between the tetrazole plane and the Ph group is 4.07 degrees.