Polysulfonylamine: XLIII. Trimethylgermanium(IV)- und Trimethylblei(IV)-dimesylamid: Synthese und Festkörperstrukturen

作者: Armand Blaschette , Thomas Hamann , Axel Michalides , Peter G. Jones

DOI: 10.1016/0022-328X(93)83316-N

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摘要: Abstract The new compounds Me 3 GeN(SO 2 Me) ( ) and PbN(SO 4 were prepared from the corresponding chlorides ECl AgN(SO in MeCN solution. crystallographic data at −95°C are for : triclinic, space group P 1 , a 771.7(2), b 1204.1(4), c 1388.4(5) pm, α 66.75(3), β 84.12(3), γ 74.15(2)°, V 1.1401 nm Z = 4; monoclinic, / 751.1(3), 1065.5(4), 1493.9(5) 100.99(3)°, 1.1738 4. crystal structure of consists two crystallographically independent, monomeric molecules with tetrahedral Ge atoms trigonal- planar N (average angle values: CGeC 112.7, CGeN 106.0, GeNS 121.1, SNS 117.3 °). most striking features molecular extremely long GeN bond distances 198.2(2) 198.5(2) which equal to uncorrected sum covalent single radii. In units linked by an intermolecular PbO interaction (265.3(6) pm) form infinite parallel chains. Pb atom has distorted trigonal-bipyramidal arrangement (NPbO 169.3; average CPbC 119.2, CPbN 95.5, CPbO 84.8°), is trigonal-planar (SNS mean PbNS 119.8°). PbN distance 248.4(6) i.e. 30 pm longer than radii, suggesting mainly ionic character. both structures secondary intramolecular 1,4-interactions ⋯ O 295.8 328 respectively, observed.

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