The new titled complex [Cu(dpa)(PPr)2].2H2O was prepared and characte rized by elementary analyses, IR, molar conductance and differential thermal ana lyses. The crystal structure was determined by X-ray diffraction. The crystal b elongs to triclinic, space group P(1), with the crystal cell p arameters: a=10.451(2) nm, b=11.126(1) nm, c=11.795(1) nm, α=90.57(1)°, β=90.34(1)°, γ=87.89(1)°, V=1370.6(4) nm3, Z=2, Dc=1.369 g/cm3, R=0.037, RW=0.038. Four carboxyl oxygen atoms from two PPr - and two nitrogen atoms from dpa coordinate with Cu(Ⅱ) respectively to for m an elongated octahedron.
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