Issue 10, 1995

Powder route to crystal structures: X-ray powder diffraction determination of polymeric silver imidazolate

Abstract

Silver imidazolate has been synthesized and its solid-state structure determined, ab initio, from conventional X-ray powder diffraction data only. The crystals are orthorhombic, space group P212121, with a= 5.5759(4), b= 6.7452(4), c= 22.174(1)Å, U= 834.0(1)Å3, Z= 8, Dc= 2.786 g cm–3. The structure was solved by a real-space scavenger technique and refined by the Rietveld method down to RP and RF values of 0.062 and 0.027, respectively, for 4401 data points (1262 reflections) measured at room temperature in the 17–105°(2θ) range. The crystal structure of [{Ag(im)}n](Him = imidazole) consists of a complex packing of polymeric chains folding about the crystallographic c axis, containing linearly co-ordinated silver atoms joined by imidazolate fragments. Short interchain Ag ⋯ Ag contacts [3.161(4)Å] were observed.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1995, 1671-1675

Powder route to crystal structures: X-ray powder diffraction determination of polymeric silver imidazolate

N. Masciocchi, M. Moret, P. Cairati, A. Sironi, G. A. Ardizzoia and G. La Monica, J. Chem. Soc., Dalton Trans., 1995, 1671 DOI: 10.1039/DT9950001671

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