ChemInform Abstract: INFRARED AND RAMAN SPECTRA OF CRYSTALLINE QUINUCLIDIN-3-ONE HEMIPERCHLORATE WITH SYMMETRICAL NITROGEN-HYDROGEN-NITROGEN HYDROGEN BONDS

1985 ◽  
Vol 16 (39) ◽  
Author(s):  
E. GRECH ◽  
Z. MALARSKI ◽  
M. ILCZYSZYN ◽  
O. CZUPINSKI ◽  
L. SOBCZYK ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Raman Spectra ◽  
Infrared And Raman Spectra ◽  
Nitrogen Hydrogen Bonds

Synthesis, crystal and molecular structure, and vibrational spectra of the complex (COOH)2•2H2O•18-crown-6

1986 ◽  
Vol 64 (1) ◽  
pp. 142-147 ◽  
Author(s):  
Suzanne Deguire ◽  
François Brisse ◽  
Jacques Ouellet ◽  
Rodrigue Savoie
Keyword(s):  
Molecular Structure ◽  
Hydrogen Bonds ◽  
Oxalic Acid ◽  
Raman Spectra ◽  
Vibrational Spectra ◽  
Crystal And Molecular Structure ◽  
Unit Cell ◽  
Infrared And Raman Spectra ◽  
O 18 ◽  
Stoichiometric Complex

A stoichiometric complex of formula (COOH)2•2H2O•18-crown-6 has been obtained from oxalic acid and the macrocyclic polyether 18-crown-6. The crystals of the complex have a monoclinic unit cell and belong to the P21/c space group. The components in the adduct are linked through hydrogen bonds in a polymer-like fashion: -crown–H2O–HOOCCOOH–OH2–crown–, where the oxalic acid molecules are present in two distinct disordered orientations. The infrared and Raman spectra of the complex are also reported and interpreted.

ChemInform Abstract: HYDROGEN BONDS IN CALCIUM ACID PHOSPHATES BY INFRARED AND RAMAN SPECTRA

1985 ◽  
Vol 16 (21) ◽  
Author(s):  
A. BERTOLUZZA ◽  
M. A. BATTAGLIA ◽  
S. BONORA ◽  
P. MONTI ◽  
R. SIMONI
Keyword(s):  
Hydrogen Bonds ◽  
Raman Spectra ◽  
Infrared And Raman Spectra

Hydrogen bonds in calcium acid phosphates by infrared and Raman spectra

1985 ◽  
Vol 127 (1-2) ◽  
pp. 35-45 ◽  
Author(s):  
Alessandro Bertoluzza ◽  
Maria Angela Battaglia ◽  
Sergio Bonora ◽  
Patrizia Monti ◽  
Rosa Simoni
Keyword(s):  
Hydrogen Bonds ◽  
Raman Spectra ◽  
Infrared And Raman Spectra

Étude vibrationnelle des acides deltiques C3O3H2 et C3O3D2

1985 ◽  
Vol 63 (7) ◽  
pp. 1394-1398 ◽  
Author(s):  
Alain Lautié ◽  
Marie-France Lautié ◽  
Alexandre Novak
Keyword(s):  
Hydrogen Bonds ◽  
Raman Spectra ◽  
Crystal Symmetry ◽  
Infrared And Raman Spectra ◽  
Molecular Symmetry ◽  
Space Group ◽  
Deuterated Derivative

The infrared and Raman spectra of crystalline deltic acid and its deuterated derivative have been investigated in the 4000–20[Formula: see text]cm−1 range. An assignment of all the intramolecular fundamentals has been proposed assuming a C2v molecular symmetry. The crystal symmetry is likely to be described by the [Formula: see text] or P2/m space group with Z = 2. Deltic acid molecules probably form infinite chains linked with two very strong, asymmetric, and different OH … O hydrogen bonds, with O … O distances estimated at 2.49 and 2.56 Å.

scholarly journals VERY LOW H–O–H BENDING FREQUENCIES. VI. VIBRATIONAL SPECTRA OF CdCl2·H2O

2017 ◽  
Vol 38 (1) ◽  
pp. 91
Author(s):  
Viktor Stefov ◽  
Metodija Najdoski ◽  
Bernward Engelen ◽  
Zlatko Ilievski ◽  
Adnan Cahil
Keyword(s):  
Hydrogen Bonds ◽  
Water Molecule ◽  
Gas Phase ◽  
Raman Spectra ◽  
Structural Data ◽  
Liquid Nitrogen Temperature ◽  
Water Molecules ◽  
Deuterium Content ◽  
Infrared And Raman Spectra ◽  
The Difference

The infrared and Raman spectra of CdCl2·H2O as well as those of a series of its partially deuterated analogues were recorded at room and at liquid-nitrogen temperature (RT and LNT, respectively). The combined results from the analysis of the spectra were used to assign the observed bands. In the difference IR spectrum of the compound with low deuterium content (≈ 4 % D) recorded at RT, one broad bands is observed at around 2590 cm–1 while in the LNT spectrum two bands appear (at 2584 cm–1 and 2575 cm–1). The appearance in the LNT spectrum of these two bands which are due to the stretching OD modes of the isotopically isolated HDO molecules points to the existance of two crystallographically different hydrogen bonds and is in accordance with the structural data for this compound. In the LNT infrared and Raman spectra of the protiated compound, one band, at 1583 cm-1, is observed in the region of the bending НОН vibrations with a frequency that is decreasing with lowering the temperature. An interesting finding related to this band is that its frequency is lower than that for the water molecule in the gas phase (1594 cm–1). In the RT and LNT IR spectra, only one strong band (at 560 cm–1) is observed in the region of the librations of water molecules (700 cm–1 – 400 cm–1).

Infrared and raman spectra of metal 1,2,4,5-benzenetetracarboxylates: Evidence for very short, strong hydrogen bonds

1988 ◽  
Vol 145 (1) ◽  
pp. 81-84 ◽  
Author(s):  
Dean C. Luehrs ◽  
Bahne C. Cornilsen ◽  
Christine B. Glover ◽  
Thomas L. Neils
Keyword(s):  
Hydrogen Bonds ◽  
Raman Spectra ◽  
Infrared And Raman Spectra

Infrared and raman spectra of crystalline quinuclidin-3-one hemiperchlorate with symmetrical NHN hydrogen bonds

1985 ◽  
Vol 128 (4) ◽  
pp. 249-258 ◽  
Author(s):  
E. Grech ◽  
Z. Malarski ◽  
M. Ilczyszyn ◽  
O. Czupiński ◽  
L. Sobczyk ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Raman Spectra ◽  
Infrared And Raman Spectra
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