Vibrational Spectra of Ethylenediamine Salts. I. Tentative Assignments of Infrared and Far Infrared Spectra

1971 ◽  
Vol 4 (8) ◽  
pp. 285-293 ◽  
Author(s):  
Rolf W. Berg ◽  
Kjeld Rasmussen
Keyword(s):  
Infrared Spectra ◽  
Vibrational Spectra ◽  
Far Infrared ◽  
Far Infrared Spectra

The Preparation and Low-Frequency Vibrational Spectra of Some Copper(I) and Silver(I) Alkane- and Arene-monothiolate Complexes

1979 ◽  
Vol 32 (7) ◽  
pp. 1443 ◽  
Author(s):  
GA Bowmaker ◽  
L Tan
Keyword(s):  
Raman Spectra ◽  
Infrared Spectra ◽  
Vibrational Spectra ◽  
Low Frequency ◽  
Far Infrared ◽  
New Methods ◽  
Thiolate Complexes ◽  
New Compounds ◽  
First Time ◽  
Far Infrared Spectra

A number of different methods for preparing anionic Group 1B metal thiolate complexes have been investigated. The compounds [Me4N] [CU2(SMe)3] and [Et4N] [Ag5(SBut)6] are reported for the first time, and new methods for preparing the previously known compounds [Et4N] [Cu5(SBut)6], [Me4N]2 [CU5(SPh)7] and [Et4N]2 [Cu5(SPh)7] are described. The far-infrared spectra of the above compounds, and of CuSMe, CuSBut, AgSBut, [Me4N]2 [CU4(SPh)6] and [Me4N]2 [Ag5(SPh)7] have been obtained, and metal-sulfur stretching bands are assigned in the 150-350 cm-1 region. The low-frequency Raman spectra have also been obtained for some of these compounds. Possible structures for the new compounds are considered in the light of the low-frequency vibrational spectra.

Vibrational Spectra and Force Constants of Symmetric Tops, IL[1]

1985 ◽  
Vol 40 (10) ◽  
pp. 989-994 ◽  
Author(s):  
Hans Bürger ◽  
Martina Betzel
Keyword(s):  
Fourier Transform ◽  
Gas Phase ◽  
Infrared Spectra ◽  
Vibrational Spectra ◽  
Far Infrared ◽  
Force Constants ◽  
Far Infrared Spectra ◽  
Anharmonicity Constants

Fourier Transform far infrared spectra of unstable stannyl chloride, bromide and iodide have been measured in the gas phase with a resolution of 0.04 cm-1. At pressures below 10 mbar, their lifetimes at 0 °C in preconditioned cells were found to be 10-30 min. The v3 fundamentals and hot bands of the series (n + 1)v3 - nv3 have been observed. Rotational J structure has been resolved for monoisotopic samples, and band origins v30, anharmonicity constants x33, ɑ3B and DJ0 values have been determined from the rovibrational analyses. The following v30 values were obtained: H3116Sn35Cl 375.470 (5), H3116Sn37Cl 367.689 (6), H3116Sn79Br 263.566 (5) and H3116SnI 209.759 (6) cm-1.

Far-infrared spectra of polycrystallineBa2YCu3O9−δ

1987 ◽  
Vol 36 (1) ◽  
pp. 846-849 ◽  
Author(s):  
G. A. Thomas ◽  
H. K. Ng ◽  
A. J. Millis ◽  
R. N. Bhatt ◽  
R. J. Cava ◽  
...  
Keyword(s):  
Infrared Spectra ◽  
Far Infrared ◽  
Far Infrared Spectra
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