Novel binuclear copper(I) complexes with unusual azide and thiocyanate bridges. Crystal structures of [Cu2(μ-Ph2Ppypz)2(μ-1,1-N3)][ClO4]·Et2O and [Cu2(μ-Ph2Ppypz)2(μ-1,1-SCN)][ClO4] [Ph2Ppypz = 2-(diphenylphosphino)-6-(pyrazol-1-yl)pyridine]

Abstract
The first binuclear copper(I) complex with a µ-1,1-N3 bridge, [Cu2(µ-Ph2Ppypz)2(µ-1,1-N3)][ClO4]·Et2O and [Cu2(µ-Ph2Ppypz)2(µ-1,1-SCN)] [ClO4] [Ph2Ppypz = 2-(diphenylphosphino)-6-(pyrazol-1-yl)pyridine], which exhibits an unusual thiocyanate (µ-1,1-SCN) bridge, have been synthesised and characterised.

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