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metal-organic compounds
The hydrothermal synthesis and single-crystal structure of tris(piperizinium) octamolybdate are reported. (C4H12N2)3[Mo8O27] contains infinite chains of [Mo8O27]6- anions, fused together by linear Mo-O-Mo bonds. A network of N-HO hydrogen bonds link the doubly protonated piperizinium dications to the anionic octamolybdate chains.