Acta Crystallographica Section B

Structural Science

Volume 65, Part 6 (December 2009)

research papers

Acta Cryst. (2009). B65, 699-706 [ doi:10.1107/S0108768109036404 ]

Isomorphism in monomeric 1:3 complexes of silver(I) salts with tri-p-tolylphosphine

B. Omondi, G. J. S. Venter, A. Roodt and R. Meijboom

Abstract: Reaction of silver(I) salts with three equivalents of tri-p-tolylphosphine in CH₃CN resulted in a series of isomorphous complexes [AgX{P(4-MeC₆H₄)₃}₃] (X = Br, SCN, ClO₄). These complexes all crystallize in the orthorhombic space group Pna2₁. The complexes with X = Br, SCN are distorted tetrahedral around the silver(I) atom, whereas the ClO₄^- complex is distorted trigonal planar around the silver. The new complexes are compared with each other using r.m.s. overlay calculations as well as half-normal probability plot analysis and with the previously reported isomorphous chloride, bromide as well as the non-isomorphous iodide complexes.

Keywords: silver; isomorphism; phosphine; half-normal probability.


	Structure factor file (CIF format) (595.0 kbytes) [ doi:10.1107/S0108768109036404/ps5003Isup2.fcf ] Contains datablock I

	Structure factor file (CIF format) (668.2 kbytes) [ doi:10.1107/S0108768109036404/ps5003IIsup3.fcf ] Contains datablock II

	Structure factor file (CIF format) (608.1 kbytes) [ doi:10.1107/S0108768109036404/ps5003IIIsup4.fcf ] Contains datablock III

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