Electron diffraction investigation of the molecular structures of the addition compounds Br3Al.NH3 and Br3Ga.NH3 in the vapour phase

Magdolna Hargittai, I. Hargittai, V. P. Spiridonov, A. A. Ivanov

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Abstract

According to an electron diffraction analysis, the molecular geometries of the addition compounds Br3Al.NH3 and Br3Ga.NH3 closely resemble those of their chlorine analogues. The coordination linkages and the acceptor parts are characterized by the following internuclear distances (ra): Al-N 1.997 ± 0.019 Å. Ga-N 2.081 ± 0.023 Å, Al-Br 2.264 ± 0.005 Å, Ga-Br 2.288 ± 0.005 Å, Br· Br(Al) 3.834 ± 0.008 Å, and Br· Br(Ga) 3.884 ± 0.008 Å. Applying the estimated harmonic corrections, the bond angles (∠α) are 116.1° and 116.6° for the aluminium and gallium complexes respectively.

Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalJournal of Molecular Structure
Volume39
Issue number2
DOIs
Publication statusPublished - 1977

Fingerprint

Gallium
Chlorine
Molecular Structure
Aluminum
linkages
Electron diffraction
Molecular structure
gallium
chlorine
molecular structure
electron diffraction
Vapors
Electrons
analogs
vapor phases
aluminum
harmonics
Geometry
geometry

ASJC Scopus subject areas

  • Structural Biology
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Materials Science (miscellaneous)
  • Atomic and Molecular Physics, and Optics

Cite this

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title = "Electron diffraction investigation of the molecular structures of the addition compounds Br3Al.NH3 and Br3Ga.NH3 in the vapour phase",
abstract = "According to an electron diffraction analysis, the molecular geometries of the addition compounds Br3Al.NH3 and Br3Ga.NH3 closely resemble those of their chlorine analogues. The coordination linkages and the acceptor parts are characterized by the following internuclear distances (ra): Al-N 1.997 ± 0.019 {\AA}. Ga-N 2.081 ± 0.023 {\AA}, Al-Br 2.264 ± 0.005 {\AA}, Ga-Br 2.288 ± 0.005 {\AA}, Br· Br(Al) 3.834 ± 0.008 {\AA}, and Br· Br(Ga) 3.884 ± 0.008 {\AA}. Applying the estimated harmonic corrections, the bond angles (∠α) are 116.1° and 116.6° for the aluminium and gallium complexes respectively.",
author = "Magdolna Hargittai and I. Hargittai and Spiridonov, {V. P.} and Ivanov, {A. A.}",
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T1 - Electron diffraction investigation of the molecular structures of the addition compounds Br3Al.NH3 and Br3Ga.NH3 in the vapour phase

AU - Hargittai, Magdolna

AU - Hargittai, I.

AU - Spiridonov, V. P.

AU - Ivanov, A. A.

PY - 1977

Y1 - 1977

N2 - According to an electron diffraction analysis, the molecular geometries of the addition compounds Br3Al.NH3 and Br3Ga.NH3 closely resemble those of their chlorine analogues. The coordination linkages and the acceptor parts are characterized by the following internuclear distances (ra): Al-N 1.997 ± 0.019 Å. Ga-N 2.081 ± 0.023 Å, Al-Br 2.264 ± 0.005 Å, Ga-Br 2.288 ± 0.005 Å, Br· Br(Al) 3.834 ± 0.008 Å, and Br· Br(Ga) 3.884 ± 0.008 Å. Applying the estimated harmonic corrections, the bond angles (∠α) are 116.1° and 116.6° for the aluminium and gallium complexes respectively.

AB - According to an electron diffraction analysis, the molecular geometries of the addition compounds Br3Al.NH3 and Br3Ga.NH3 closely resemble those of their chlorine analogues. The coordination linkages and the acceptor parts are characterized by the following internuclear distances (ra): Al-N 1.997 ± 0.019 Å. Ga-N 2.081 ± 0.023 Å, Al-Br 2.264 ± 0.005 Å, Ga-Br 2.288 ± 0.005 Å, Br· Br(Al) 3.834 ± 0.008 Å, and Br· Br(Ga) 3.884 ± 0.008 Å. Applying the estimated harmonic corrections, the bond angles (∠α) are 116.1° and 116.6° for the aluminium and gallium complexes respectively.

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