Received 29 November 2012
In the title compound, [Cu3I3(C5H5NS)3]n, a polymeric structure is formed along  through bridging iodide and pyridine-2-thione ligands. The metal atoms are engaged in [Cu3S3] and [Cu2S2] rings sharing Cu-S edges, with the [Cu2S2] rings located about inversion centers. CuI atoms bridged by iodide ions exhibit the shortest CuCu separation in the polymer [2.8590 (14) Å]. The three independent CuI atoms all display distorted tetrahedral coordination geometries.
For applications of CuI complexes and coordination compounds based on 1H-pyridine-2-thione, see: Kitagawa et al. (1990); Raper (1996, 1997); García-Vázquez et al. (1999); Akrivos (2001); Lobana & Castineiras (2002). For the structure of a polymer isoformular to the title compound, see: Lobana et al. (2003).
Data collection: SMART (Siemens, 1996); cell refinement: SAINT (Siemens, 1996); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BH2469 ).
The authors thank the Fujian Provincial Foundation (2012-J05150) and the Research Fund of Fujian Medical University (2011BS006) for financial support.
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