Acta Cryst. (2006). E62, m74-m76  [ doi:10.1107/S1600536805040791 ]

A copper(I) coordination polymer containing an adamantane P-N cage ligand

R. D. Sommer and A. L. Rheingold

Abstract: The tetradentate non-chelating ligand 2,4,6,8,9,10-hexamethyl-2,4,6,8,9,10-hexaaza-1,3,5,7-tetraphosphaadamantane, P₄(NCH₃)₆, reacts with one equivalent of cuprous iodide to yield the title coordination polymer, catena-poly[[iodocopper(I)]--2,4,6,8,9,10-hexamethyl-2,4,6,8,9,10-hexaaza-1,3,5,7-tetraphosphaadamantane-²P¹:P³], [CuI(C₆H₁₈N₆P₄)]_n. The polymer is linked through P-Cu coordination at two vertices of the cage. The Cu^I ions have a trigonal-planar geometry, coordinated by P atoms from two different ligands and the iodide. This structure represents the first crystallographically characterized coordination compound of this cage ligand.

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