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Supramolecular aggregates of complex cations via unusual purine-purine base pairing in a new organorhodium(III) compound containing the antileukemic drug purine-6-thione. Synthesis, X-ray structure of trans(C,N-7),trans(S,S),trans(P,N-7)-[Rh(C6H5)(H-1,H-9-H(2)tp)(2)(PPh3)][Rh(C6H5)H-1,H-9-H(2)tp)(H-9- Htp)(PPh3)]Cl-3 center dot HCl center dot 6H(2)O, and density functional analysis of the (H(2)tp center dot center dot center dot Htp)(-) base pair Cini R, Corsini M, Cavaglioni A Inorganic Chemistry, 39(25), 5874, 2000 |