Issue 4, 1985

Lewis-base adducts of Group 1B metal(I) compounds. Part 17. Synthesis and crystal structures of adducts of copper(I) cyanide with nitrogen bases

Abstract

Compounds of the type [Cu(CN)Ln][L = diethylamine, (1), triethylamine, (2), 4-methylpyridine, (3), or 1,10-phenanthroline, (4)] have been synthesized by recrystallization of copper(I) cyanide from (or with) the parent base and their crystal structures have been determined by single-crystal X-ray diffraction methods; n= 1 except in the case of (3) where n= 1.5. Crystals of (1) are monoclinic, space group P21/n, with a= 15.108(7), b= 7.321(5), c= 13.699(6)Å, β= 103.00(4)°, and Z= 8; R was 0.044 for No= 871 independent ‘observed’ reflections. For (2), crystals are orthorhombic, space group Pnma, with a= 9.501(4), b= 8.921(4), c= 11.279(5)Å, and Z= 4; R= 0.039, No= 369. For (3), crystals are monoclinic, space group Cc, with a= 9.587(3), b= 16.326(4), c= 14.022(4)Å, β= 109.38(2)°, and Z= 4; R= 0.031, No= 1 070. For (4), crystals are trigonal, space group P31, with a= 9.175(5), c= 11.753(8)Å, and Z= 3; R= 0.041, No= 812. All complexes are one-dimensional polymers, that in (2) being disposed completely in a mirror plane except for the substituent alkyl groups. Copper atoms in (1) and (2) are trigonally planar co-ordinated by C,N(cyanide) and N(base), as is one of the two copper atoms in (3); the other copper atom in (3) is unusual, being four-co-ordinated pseudo-tetrahedrally by C,N(cyanide) and two N(base). A similar copper environment is found in (4).

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1985, 839-844

Lewis-base adducts of Group 1B metal(I) compounds. Part 17. Synthesis and crystal structures of adducts of copper(I) cyanide with nitrogen bases

J. C. Dyason, P. C. Healy, L. M. Engelhardt, C. Pakawatchai, V. A. Patrick and A. H. White, J. Chem. Soc., Dalton Trans., 1985, 839 DOI: 10.1039/DT9850000839

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