The complex [Cu(H2biim)2]Br2 (H2biim=2,2′-biimdazole) has been synthesized and structurally characterized. It crystallizes in the Monoclinic system, space group C2/c with a=1.422 5(4) nm, b =0.931 2(2) nm, c=1.343 1(3) nm,β=116.227(4)°, V=1.595 9(7) nm-3, R1=0.0602, wR2=0.152 8 and Z=4. The copper ion has a slighrntly distorted square planar coordination configuration with four nitrogen atoms from two H2biim ligands. The complex has a one-dimensional chain structure, which is formed by hydrogen bonds and semi-coordinate bonds.CCDC:624679.
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