The crystal structure of 1,1-dimethyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene

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Abstract

1,1-Dimethyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene crystallizes in the P21/c space group, Z = 8. The two molecules in the asymmetric unit mainly differ in the rotations of the phenyl groups with respect to the silacyclopentadiene ring, presumably as a result of crystal packing forces. The geometry of the silole ring in the title compound deviates considerably from that observed in 1,1-dimethyl-2,5-diphenyl-1-silacyclopentadiene. Mean bond distances and angles in the silole ring are SiC 1.868(3), CC 1.358(2), CC 1.511(2) Å, CSiC 92.7(1), SiCC 107.6(2), CCC 116.0(1)°.

Original languageEnglish
Pages (from-to)9-16
Number of pages8
JournalJournal of Organometallic Chemistry
Volume216
Issue number1
DOIs
Publication statusPublished - Aug 11 1981

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Crystal structure
Crystals
crystal structure
Molecules
Geometry
rings
geometry
crystals
silole
molecules
diphenyl

ASJC Scopus subject areas

  • Biochemistry
  • Chemical Engineering (miscellaneous)
  • Inorganic Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Science (miscellaneous)
  • Materials Chemistry

Cite this

The crystal structure of 1,1-dimethyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene. / Párkányí, L.

In: Journal of Organometallic Chemistry, Vol. 216, No. 1, 11.08.1981, p. 9-16.

Research output: Contribution to journalArticle

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abstract = "1,1-Dimethyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene crystallizes in the P21/c space group, Z = 8. The two molecules in the asymmetric unit mainly differ in the rotations of the phenyl groups with respect to the silacyclopentadiene ring, presumably as a result of crystal packing forces. The geometry of the silole ring in the title compound deviates considerably from that observed in 1,1-dimethyl-2,5-diphenyl-1-silacyclopentadiene. Mean bond distances and angles in the silole ring are SiC 1.868(3), CC 1.358(2), CC 1.511(2) {\AA}, CSiC 92.7(1), SiCC 107.6(2), CCC 116.0(1)°.",
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N2 - 1,1-Dimethyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene crystallizes in the P21/c space group, Z = 8. The two molecules in the asymmetric unit mainly differ in the rotations of the phenyl groups with respect to the silacyclopentadiene ring, presumably as a result of crystal packing forces. The geometry of the silole ring in the title compound deviates considerably from that observed in 1,1-dimethyl-2,5-diphenyl-1-silacyclopentadiene. Mean bond distances and angles in the silole ring are SiC 1.868(3), CC 1.358(2), CC 1.511(2) Å, CSiC 92.7(1), SiCC 107.6(2), CCC 116.0(1)°.

AB - 1,1-Dimethyl-2,3,4,5-tetraphenyl-1-silacyclopentadiene crystallizes in the P21/c space group, Z = 8. The two molecules in the asymmetric unit mainly differ in the rotations of the phenyl groups with respect to the silacyclopentadiene ring, presumably as a result of crystal packing forces. The geometry of the silole ring in the title compound deviates considerably from that observed in 1,1-dimethyl-2,5-diphenyl-1-silacyclopentadiene. Mean bond distances and angles in the silole ring are SiC 1.868(3), CC 1.358(2), CC 1.511(2) Å, CSiC 92.7(1), SiCC 107.6(2), CCC 116.0(1)°.

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