Automatic background subtraction in gas electron diffraction: The covariance matrix in least-squares structure-parameter analysis

1986 ◽  
Vol 26 (5) ◽  
pp. 698-703 ◽  
Author(s):  
R. Z. Deyanov ◽  
K. P. Petrov ◽  
V. V. Ugarov ◽  
B. M. Shchedrin ◽  
N. G. Rambidi
Keyword(s):  
Electron Diffraction ◽  
Least Squares ◽  
Covariance Matrix ◽  
Background Subtraction ◽  
Parameter Analysis ◽  
Gas Electron Diffraction ◽  
Structure Parameter

Strukturbestimmung von Chlorfluorthiocarbonyl durch Elektronenbeugung / The Structure of Thiocarbonyl-chloro-fluoride as determined by Gas-Electron-Diffraction

1975 ◽  
Vol 30 (4) ◽  
pp. 549-553 ◽  
Author(s):  
F. Gleisberg ◽  
A. Haberl ◽  
W. Zeil
Keyword(s):  
Electron Diffraction ◽  
Experimental Determination ◽  
Least Squares ◽  
Qualitative Agreement ◽  
Gas Electron Diffraction ◽  
Mean Square ◽  
Rotational Constants ◽  
Valence Force ◽  
Experimental Values

Abstract Gas electron diffraction (GED) intensities of CSFCl were measured and resulted in an ra- structure of this molecule. An rav-structure was obtained by combining our GED-data and the rotational constants reported by Kohrmann and Zeil. Both structures were found to be consistent within their uncertainties. The planar structure of CSFCl has been confirmed. A least squares analysis resulted in the following rg-distances and bond angles: r(C-Cl) =1.7178±0.0009 Å, r(C=S) =1.5931 ±0.0008 Å, r(C-F) =1.3387±0.0014 Å, ∢ S = (C-Cl)=127.28 ± 0.09°, ∢(S=C-F)= 123.58 ±0.12°.Inclusion of rotational constants into the GED-analysis allowed an experimental determination of all mean square amplitudes (MSA). We have used the valence force constants obtained by Kohrmann to evaluate the MSA theoretically. Qualitative agreement was found between the theoretical and experimental values of the MSA.

Combined gas electron diffraction and mass spectrometric experimental setup at Bielefeld University

2020 ◽  
Vol 91 (7) ◽  
pp. 073103
Author(s):  
Yury V. Vishnevskiy ◽  
Sebastian Blomeyer ◽  
Christian G. Reuter ◽  
Oleg A. Pimenov ◽  
Sergey A. Shlykov
Keyword(s):  
Electron Diffraction ◽  
Mass Spectrometric ◽  
Gas Electron Diffraction ◽  
Experimental Setup

Geometrical structure of cyclopropane as studied by gas electron diffraction and spectroscopic data

1985 ◽  
Vol 89 (15) ◽  
pp. 3298-3302 ◽  
Author(s):  
Satoshi Yamamoto ◽  
Munetaka Nakata ◽  
Tsutomu Fukuyama ◽  
Kozo Kuchitsu
Keyword(s):  
Electron Diffraction ◽  
Spectroscopic Data ◽  
Geometrical Structure ◽  
Gas Electron Diffraction

Structures of 1,2-dimethylhydrazine conformers as determined by microwave spectroscopy and gas electron diffraction

1981 ◽  
Vol 83 (2) ◽  
pp. 246-249 ◽  
Author(s):  
Munetaka Nakata ◽  
Harutoshi Takeo ◽  
Chi Matsumura ◽  
Kaoru Yamanouchi ◽  
Kozo Kuchitsu ◽  
...  
Keyword(s):  
Electron Diffraction ◽  
Microwave Spectroscopy ◽  
Gas Electron Diffraction
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