Abstract

The title compound has been synthesized, the crystal structure of which has been detormined by the single-crystal X-ray diffraction method. The crystal belongs to triclinic space group C-P1 with the unit cell parameters: a = 9.535(2)A, b = 9.740(2)A, c = 15.795(4)A, α = 89.85(2)°, β = 91.80(2)°, γ = 99.37(1)°, ν = 1446.6A~3, Ζ = 2. The structure is refined to R = 0.075, R_w = 0.074 for 1903 reflections. There are diverse bonding modes of molybdenum and sulfur in this eompound. The two sulfur atoms at the center bond to three molybdenum atoms from respective sides and form the two apices of a trigonal bipyramid. Besides, there are S_2~(-2) ligands and a polysulfur chain composed of three sulfur atoms. The coordination number for the three molybdenum atoms is seven. Their coordination polyhedra are somewhat distorted pentagonal bipyramid. Each of the three NO ligands coordinated to molybdenum gives a linear group of Mo-N-O, while the fourth NO ligund bonded with a polysulfur chain forms a bent group of S-N-O.

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