Journal of Solid State Chemistry Volume 107, Issue 1, November 1993, Pages 63–75 Synthesis, Characterization, and Crystal Structure of Three Homoleptic Copper(I) Thiolates: (Cu(CH3S-))∞, [(C6H5)4P+]2[Cu5(CH3S-)7] · C2H6O2, and [(C3H7)4N+]2[Cu4(CH3S-)6 · CH4O Markus Baumgartner, Helmut Schmalle, Christian Baerlocher http://www.sciencedirect.com/science/article/pii/S0022459683713 Thank you very much.