Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Dieter Klapstein"'
Autor:
Jian Yin, Michael K. Gilson, Werner M. Nau, Rebecca Sure, Khaleel I. Assaf, Stefan Grimme, Zheng-Wang Qu, Mara Florea, Niel M. Henriksen, Jens Antony, Dieter Klapstein, Andreas Hansen
Publikováno v:
The journal of physical chemistry. B. 121(49)
The host-guest complexation of hydrocarbons (22 guest molecules) with cucurbit[7]uril (CB7) was investigated in aqueous solution. Association constants were determined by using the indicator displacement strategy, which allows binding constant determ
Publikováno v:
Journal of Molecular Structure: THEOCHEM. 909:66-74
A computational study of 1,3-cyclohexadiene and some 5,6-disubstituted derivatives is presented. We examine the geometry, vibrational frequencies, and barrier to inversion of 1,3-cyclohexadiene, and discuss how these change with level of theory from
Publikováno v:
Chemical Physics. 349:263-268
The photoelectron (PE) spectra of some 3-monosubstituted 2-methylpropenes H 2 C C(CH 3 )CH 2 X [X = Cl, Br, I, OH, OMe, OEt, SH, SMe, SEt, N(Me) 2 and N(Et) 2 ] have been recorded. A preliminary analysis is presented indicating some trends in the ion
Publikováno v:
The Journal of Organic Chemistry. 62:5128-5132
Oxidation and ionization potentials of azoalkanes have been measured and combined with the available literature data to afford a data set of ten cyclic, bicyclic, and polycyclic derivatives with a wide structural variation. A linear correlation (r =
Publikováno v:
Journal of the American Chemical Society. 117:12578-12592
Autor:
Walter J. Balfour, Werner M. Nau, Cyril J Gillis, Dieter Klapstein, Nicole L Campbell, Scott G. Fougère
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 51:787-798
Vibrational data for five carbonyl isothiocyanates XCONCS, with XF, Cl, Br, MeO and EtO, and for acetyl isothiocyanate CH 3 CONCS are reported. Detailed assignments for the infrared and Raman data of the -F, -Cl and -CH 3 species are g
Publikováno v:
The journal of physical chemistry. A. 116(13)
Cyanoformyl chloride and cyanoformyl bromide, XC(O)CN (X = Cl and Br), have been investigated in the gas phase by UV photoelectron and mid-infrared spectroscopies. The ground-state geometries of the neutral molecules have been obtained from quantum-c
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 50:1039-1046
The infrared and Raman spectra of carbonyl diisocyanate have been recorded. Vibrational assignments have been made on the basis that two planar conformations are present both in the liquid and vapour phases: cis—cis and cis—trans . Simple normal
Autor:
Dieter Klapstein, Werner M. Nau
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 50:307-316
The gas phase IR, gas phase UV and solution 13 C NMR spectroscopic data for seven carbonyl isocyanates XCONCO and eight acyl isocyanates RCONCO are reported. The IR group frequencies are assigned and substituent-frequency relationships ar
Autor:
Werner M. Nau, Dieter Klapstein
Publikováno v:
Journal of Molecular Structure. 317:59-67
Variable temperature studies were performed on the gas phase infrared spectrum of chlorocarbonyl isocyanate. The conformeric band assignments for several fundamental vibrations are compared with earlier analyses. The higher stability of the transoid