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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.

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The centrosymmetric title compound, [Ag(C7H4NO2S2)]n, consists of dinuclear units in which two thio­saccharinate anions each bridge two Ag atoms via an endocyclic N atom and an exocyclic S atom across a crystallographic centre of inversion midway between the Ag atoms. The dimeric units are connected via Ag—Sexo inter­actions to create two-dimensional networks. The thio­saccharinate anions bridge in a μ3-S:S:N manner. The Ag...Ag distance can be considered a strong argentophilic inter­action.
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