Crystal Structure of Bis(2,2′-bipyridine)copper(I) Perchlorate

The crystal structure of the title complex was determined by X-ray diffraction: Orthorhombic, space group C2221, a=20.553(2) A, b=11.210(1) A, c=8.980(2) A, and Z=4. The structure was solved by the direct method and was refined anisotropically by the full-matrix least-squares method: R was 0.062 for 1206 observed reflections. The [Cu(bpy)2]+ cation has a pseudo-tetrahedral arrangemeni (average Cu–N=2.021 A). The interligand dihedral angle in [Cu(bpy)2]+, 75.2°, differs significantly from that previously reported [Cu(1,10-phenanthroline)2]ClO4 (49.9°).

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