Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 3 (March 2007)

metal-organic compounds

gd3080 scheme

Acta Cryst. (2007). C63, m88-m90 [ doi:10.1107/S010827010700306X ]

catena-Poly[[(N,N-dimethylformamide-O)(nitrato-O)silver(I)]--1,2-bis(diphenylphosphino)ethane-²P:P'] at 100 and 293 K: temperature effects on the volume of the solvent pocket

J. R. de Menezes Vicenti and R. A. Burrow

Abstract: In the title chain compound, [Ag(NO₃)(C₃H₇NO)(C₂₆H₂₄P₂)]_n, the bis(diphenylphosphino)ethane (dppe) components lie across centres of inversion. The dppe units link the Ag⁺ ions into chains along [100]. A nitrate anion is coordinated to the Ag atom, together with one molecule of N,N-dimethylformamide (DMF) solvent. At room temperature, the coordinated DMF shows a long Ag-O distance [2.620 (3) Å] and relatively large thermal motion, while at 100 K the Ag-O distance is shorter [2.5588 (19) Å] and the thermal motion is similar to that of the rest of the complex. The behaviour of the DMF molecule is related to the size of the solvent pocket, viz. 146 Å³ at 293 K and 131 Å³ at 100 K.

Formula: [Ag(NO₃)(C₃H₇NO)(C₂₆H₂₄P₂)] and [Ag(NO₃)(C₃H₇NO)(C₂₆H₂₄P₂)]


	Structure factor file (CIF format) (408.5 kbytes) [ doi:10.1107/S010827010700306X/gd3080I_293Ksup2.hkl ] Contains datablock I_293K

	Structure factor file (CIF format) (394.8 kbytes) [ doi:10.1107/S010827010700306X/gd3080I_100Ksup3.hkl ] Contains datablock I_100K

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