4-Vinylpyridine-modified nickel and cobalt dibenzoylmethanates as new hosts: Inclusions with carbon tetrachloride and chlorobenzene

被引:24
作者
Soldatov, DV
Ripmeester, JA
机构
[1] Natl Res Council Canada, Steacie Inst Mol Sci, Ottawa, ON K1A 0R6, Canada
[2] Russian Acad Sci, Inst Inorgan Chem, Novosibirsk 630090, Russia
关键词
dibenzoylmethanate host; nickel complex; cobalt complex;
D O I
10.1080/10610270108027467
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Bis(4-vinylpyridine)bis(dibenzoylmethanato)metal(II), [M(ViPy)(2)(DBM)(2)] (M = Ni(II), Co(II); ViPy = 4-Vinylpyridine; DBM = C6H5COCHCOC6H5-, dibenzoylmethanate) is a new metal-complex host. Its inclusions with carbon tetrachloride (host:guest=1:2; triclinic, P (1) over bar. Z=1) and chlorobenzene (host:guest = 1:1; monoclinic, P2(1)/c, Z=4) are consistent with the van der Waals packing of neutral complex (host) and solvent (guest) molecules. In the host unit, four oxygens from two chelate DBM-units provide a square-planar environment around the metal center that is extended to octahedral coordination by two apical nitrogens from two vinylpyridine moieties in the trans-position. In the carbon tetrachloride inclusions, the host traps two guest molecules in large prolate spheroidal cavities. In the chlorobenzene inclusions, guest species are located inside 8-shaped serpentine channels along the y-axis. The nickel and cobalt versions of the inclusion compounds were found to be very similar.
引用
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页码:357 / 368
页数:12
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