Infrared Spectra and Structure of the Hexanitrocobalt Complex Salts

1964 ◽  
Vol 3 (5) ◽  
pp. 772-773 ◽  
Author(s):  
Ichiro Nakagawa ◽  
Takehiko Shimanouchi ◽  
Kazuo Yamasaki
Keyword(s):  
Infrared Spectra ◽  
Complex Salts

Low-temperature far-infrared spectra of hexanitro complex salts

1968 ◽  
Vol 7 (7) ◽  
pp. 1332-1337 ◽  
Author(s):  
Ichiro Nakagawa ◽  
Takehiko Shimanouchi ◽  
Kazuo Yamasaki
Keyword(s):  
Low Temperature ◽  
Infrared Spectra ◽  
Far Infrared ◽  
Complex Salts ◽  
Far Infrared Spectra

Infrared spectra of thorium-carbonate complex salts

1962 ◽  
Vol 3 (6) ◽  
pp. 689-690 ◽  
Author(s):  
A. V. Karyakin ◽  
M. P. Volynets
Keyword(s):  
Infrared Spectra ◽  
Carbonate Complex ◽  
Complex Salts

Reactions of 7-azaindole with niobium and tantalum pentachlorides and coupling to the azaindolyl-azaindolium cation

1994 ◽  
Vol 72 (7) ◽  
pp. 1675-1683 ◽  
Author(s):  
Jacques Poitras ◽  
André L. Beauchamp
Keyword(s):  
Infrared Spectroscopy ◽  
Nmr Spectroscopy ◽  
Crystal Structures ◽  
Infrared Spectra ◽  
Oxidative Coupling ◽  
Room Temperature ◽  
H Nmr ◽  
Counter Ion ◽  
Distorted Octahedral ◽  
Complex Salts

The reaction of NbCl5 and TaCl5 with 7-azaindole (Haza) at room temperature in benzene or dichloromethane yielded MCl5(Haza) addition compounds. Under more severe conditions, the same compound was obtained with TaCl5. For NbCl5, some reduction to Nb(IV) was observed and NbCl5(Haza), NbCl4(Haza)2, and the (H2aza)+ ion were identified in the reaction mixture by infrared spectroscopy. Oxidative coupling of two azaindole units via N7—C6 also took place during the reaction, since the 7-(azaindol-6-yl)azaindolium cation was found as counter-ion in the crystal structures of two complex salts. In the crystals of (H2aza-aza)[NbOCl4(Haza)]•0.5CH2Cl2([Formula: see text]a = 7.255 Å, b = 12.412 Å, c = 14.277 Å, α = 89.03°, β = 85.60°, γ = 76.66°, Z = 2, R = 0.062), the anion is the roughly octahedral [NbOCl4(azaindole)]− species containing a neutral N7-coordinated azaindole trans to the Nb=O bond. The [NbOCl5]2− salt ([Formula: see text]a = 7.527 Å, b = 10.168 Å, c = 10.467 Å, α = 66.41°, β = 84.07°, γ = 85.51°, Z = 1, R = 0.037) contains the distorted octahedral [NbOCl5]2− ion disordered over two orientations. The infrared spectra suggest monomeric octahedral structures for the MCl5(Haza) and NbCl4(Haza)2 complexes. 1H NMR spectroscopy shows that NbCl5(Haza) is not dissociated in CD2Cl2.

Infrared spectra of carbon monoxide on platinum, iridium and copper ; comparison of flat and rough surfaces

1981 ◽  
Vol 78 ◽  
pp. 927-932 ◽  
Author(s):  
F.J.C.M. Toolenaar ◽  
G.J. van der Poort ◽  
F. Stoop ◽  
V. Ponec
Keyword(s):  
Carbon Monoxide ◽  
Infrared Spectra ◽  
Rough Surfaces

MODELING THE CONFORMATION-SPECIFIC INFRARED SPECTRA OF N-ALKYLBENZENES

2016 ◽  
Author(s):  
Daniel Tabor ◽  
Timothy Zwier ◽  
Joseph Korn ◽  
Daniel Hewett ◽  
Edwin Sibert
Keyword(s):  
Infrared Spectra
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