Abstract

The crystal structure of Na[MoO(CN) 3(phen)]·2phen·CH 3OH·H 2O was determined from three-dimensional X-ray data. The brown-black crystals are monoclinic, space group P2 1/c, with cell dimensions a = 15.090, b = 14.584, c = 18.126 Å, β = 111.55° and containing four molecules per unit cell. The structure was solved from 3655 observed reflections. The anisotropic refinement converged to R = 0.075 The [MoO(CN) 3(phen)] − ion is a distorted octahedron with the oxygen and a cyanide ligand trans-orientated to the bidentate ligand atoms. The two MoN bonds (2.173(8) and 2.363(7) Å) differ significantly with the longer one trans to the strong MoO = 1.669(8) Å bond. The cyanide ligands have two normal MoC av = 2.15(1) Å bond distances and a significantly shorter MoC = 2.09(1) Å bond trans to the shorter MoN bond. The distorted six-atom environment of each sodium ion originates from one methanol, one water and two phenanthroline molecules

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