A dinuclear Cu(Ⅱ) complex [Cu2(MMBPT)2Cl4(H2O)2.5] (Ⅰ) [MMBPT=3-Methyl-4-(4-Methylphenyl)-5-(2-X-ray crystal structure analysis. The structure indicates that the complex crystallizes in monoclinic, space group P21/c with a=1.273 4(3) nm, b=1.237 5(3) nm, c=2.403 2(5) nm,β=90.51(3)°. V=3.786 6(13) nm3, Z=2, Dc=1.429 dinuclear Cu2N6 unit is almost planar in which each Cu(Ⅱ) ion was five-coordinated by one nitrogen atoms from MMBPT and two chlorine in the basal positions and two nitrogen atoms from two MMBPTs respectively in the axial one, to form a distorted trigonal bipyramidal geometry. Magnetic measurements reveal a relatively strong antiferromagentic interaction in the complex. CCDC: 720011.
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