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A coordination polymer based on copper(I) and a heterocyclic thione ligand, HPPT4 (HPPT4 = 4-pyridin-4-yl-pyrimidine-2-thiol) has been prepared. The compound C21H19Cu2N7OS2 (1) has a 2-D polymeric structure with -core as joints linked by μ-thiolate bridges. Crystal data for compound 1: Monoclinic, space group C2/c, a = 22.346(14) Å, b = 15.649(10) Å, c = 13.588(9) Å, β = 97.183(12)°, V = 4714(5) Å3, and Z = 8. Compound 1 displays multiple emissions with maximum wavelength at 391 and 469 nm under photoexcitation at 340 nm.
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Zhu et al. (2009) studied this question.
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