Crystal and Molecular Structure of Mn (15-Crown-5) (NCS)2

Abstract

Abstract: The single crystal of Mn (15-Crown-5) (NCS)₂ was obtained by solvent evaporation method, and the structure was solved from X-ray diffraction data by direct and Fourier methods.The crystal belongs to a triclinic system, space group is P1 with unit cell parameters: a=O.7126(2) nm, b=O.8469(1) nm, c=1.6031(4) nm, a=74.55(2)°β=76.29 (2)°, γ=74。 05(2)°, and Z=2, V=0.8825(4) nm³, D_x=1473 kg/m³, p=O.6956 lnm^-1,F (000)=406- Mn (Ⅱ) coordinates derectly with five oxygen atoms of the 15-mcrown-5 and two nitrogen atoms of SCN^- to form a seven coordinated compound.The five oxygen atoms lie in a plane approximatively- Mn(Ⅱ) is in the centre, and the two SCN^- are situated on both sides of the plane.Mn(Ⅱ) adopts sp³d³ hybrid orbitals to form coordinated bonds.

Key words: Crown ether, Manganese complex, Crystal structure

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WEl Yun-He, DAI Ying, HUANG Bai-Biao. Crystal and Molecular Structure of Mn (15-Crown-5) (NCS)₂[J]. Chem. J. Chinese Universities, 1997, 18(2): 193.

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Crystal and Molecular Structure of Mn (15-Crown-5) (NCS)₂

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