Published March 1996 | Version v1
Journal article Metadata-only

Electron diffraction study of the structure of the NbBr4 molecule

Creators

  • 1. Ivanovskij Gosudarstvennyj Univ., Ivanovo (Russian Federation)
  • 2. Ivanovskij Khimiko-Tekhnologicheskij Inst., Ivanovo (Russian Federation)

Description

Investigation of NbBr4 molecule structure was performed in the framework of synchronous electron diffraction and mass spectrometric experiment. Synthesis of gaseous niobium tetrabromide was conducted by interaction of niobium cuttings with bromine at 496 deg C during the experiment. Models of geometrical configuration of NbBr4 molecule of C2v, C3v, D2d and Td symmetry were tested. It was established that tetrahedral model was preferable, as compared to other models. The following temperature-mean parameters of effective configuration of NbBr4 molecule were obtained: rg(Nb-Br) = 2.418(5) A, l(Nb-Br) = 0.074(2)A, rg(Br-Br) = 3.921(16)A, l(Br-Br) = 0.271 A, δ(Br-Br) = 0.027(18) A. 18 refs.; 3 figs.; 4 tabs

Additional details

Additional titles

Original title (Russian)
Электронографическое исследование строения молекулы NbBr

Publishing Information

Journal Title
Zhurnal Strukturnoj Khimii
Journal Volume
37
Journal Issue
2
Journal Page Range
p. 265-274.
ISSN
0136-7463
CODEN
ZSTKAI

INIS

Country of Publication
Russian Federation
Country of Input or Organization
Russian Federation
INIS RN
28033051
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
BOND ANGLE; BOND LENGTHS; CHEMICAL PREPARATION; CONCENTRATION RATIO; ELECTRON DIFFRACTION; MASS SPECTROSCOPY; MOLECULAR STRUCTURE; NIOBIUM BROMIDES; SYMMETRY; TEMPERATURE RANGE 0400-1000 K
Descriptors DEC
BROMIDES; BROMINE COMPOUNDS; COHERENT SCATTERING; DIFFRACTION; HALIDES; HALOGEN COMPOUNDS; NIOBIUM COMPOUNDS; SCATTERING; SPECTROSCOPY; SYNTHESIS; TEMPERATURE RANGE; TRANSITION ELEMENT COMPOUNDS