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Acta Crystallogr E Crystallogr Commun. 2016 Feb 10;72:318-21. doi: 10.1107/S2056989016001262. eCollection 2016 Mar 01.

Crystal structure of bis-[tetra-kis-(tri-phenyl-phosphane-κP)silver(I)] (nitrilo-tri-acetato-κ(4) N,O,O',O'')(tri-phenyl-phosphane-κP)argentate(I) with an unknown amount of methanol as solvate.

Acta crystallographica. Section E, Crystallographic communications

Julian Noll, Marcus Korb, Heinrich Lang

Affiliations

  1. Technische Universität Chemnitz, Fakultät für Naturwissenschaften, Institut für Chemie, Anorganische Chemie, D-09107 Chemnitz, Germany.

PMID: 27006796 PMCID: PMC4778820 DOI: 10.1107/S2056989016001262

Abstract

The structure of the title compound, [Ag(C18H15P)4]2[Ag(C6H6NO6)(C18H15P)], exhibits trigonal (P-3) symmetry, with a C 3 axis through all three complex ions, resulting in an asymmetric unit that contains one third of the atoms present in the formula unit. The formula unit thus contains two of the cations, one anion and disordered mol-ecules of methanol as the packing solvent. Attempts to refine the solvent model were unsuccessful, indicating uninter-pretable disorder. Thus, the SQUEEZE procedure in PLATON [Spek (2015 ▸). Acta Cryst. C71, 9-18] was applied, accounting for 670 electrons per unit cell, representing approximately 18 mol-ecules of methanol in the formula unit. The stated crystal data for M r, μ etc do not take these into account.

Keywords: SQUEEZE; crystal structure; non-coordinating anion; silver; triphenyl phosphine

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