Structure of a styrylbenzoselenazole platinum(II) complex: [NEt4][Pt(nsbse)Br3] |
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Authors: | Elina Ruiz Xuejiao Tang Yong -Ji Li Mariel M Muir |
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Institution: | (1) Department of Chemistry, University of Puerto Rico, Río Piedras, 00931 Puerto Rico;(2) Present address: School of Science, Southwest Texas State University, 78666 San Marcos, Texas |
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Abstract: | Tetraethylammonium tribromo2-(2-chloro-5-nitrostyryl)benzoselenazole] platinate (II), (C2H5)4N]PtBr3(C15H9ClN2O2Se)], is monoclinic, in space groupP21/c, witha=9.496(2),b=20.321(7),c=15.166(3)Å, =100.18(1)°,V=2880(2)Å3,M
r
=928.72,Z=4,D
x
=2.141 g cm–3, (MoK )=0.71073 Å, =104.1 cm–1,F(000)=1752,T=298 K. The structure was solved by direct methods and refined toR=0.032 for 2626 unique observed reflections withI>3 (I). The Pt(nsbse)Br3)] unit has square-planar geometry about the Pt atom, with the nsbse coordinated to the Pt through the N of the selenazole ring. The ligand molecule is non-planar, with a dihedral angle of 61.6(2)° between the benzoselenazole and phenyl rings. The dihedral angles between the PtBr3 plane and the benzoselenazole and phenyl planes are 105.2(1) and 80.7(1)°, respectively. |
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