Zobrazeno 1 - 10
of 52
pro vyhledávání: '"A.B. Dempster"'
Publikováno v:
Journal of Molecular Structure. 26:189-195
Analysis of the NMR spectra of 1,2,3-trichloropropane and 1,2,3-tribromopropane in various media shows the most stable conformer to be AG - . The populations of several conformera have been estimated by using pure trans and gauche coupling constants
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b5fad568250708980f67963444af18e
https://doi.org/10.1016/0022-2860(75)80004-4
https://doi.org/10.1016/0022-2860(75)80004-4
Publikováno v:
Journal of Molecular Structure. 38:43-50
The time-dependent changes which are observed in the infrared and Raman spectra of samples of the two Hofmann aniline clathrates M(NH 3 ) 2 Ni(CN) 4 .an 2 {M = Cd(II), Ni(II), an = C 6 H 5 NH 2 } indicate the occurrence of a solid state ligand replac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8bc3d3b1d59cafb2286b8a0ea6f77a5
https://doi.org/10.1016/0022-2860(77)87077-4
https://doi.org/10.1016/0022-2860(77)87077-4
Publikováno v:
Journal of Magnetic Resonance (1969). 16:235-242
The thermodynamic functions for internal rotation in three chloropropanes have been determined by nuclear magnetic resonance studies at low temperature. The coalescence temperature, free energy, enthalpy, and entropy of activation for internal rotati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d94f90fa9150df1a263ee2ef99d9c2d
https://doi.org/10.1016/0022-2364(74)90047-x
https://doi.org/10.1016/0022-2364(74)90047-x
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 30:1183-1192
The Raman spectra of powdered, crystalline samples of the Hofmann-type benzene clathrates, Ni(NH 3 ) 2 Ni(CN) 4 .2C 6 H 6 , Ni(NH 3 ) 2 Ni(CN) 4 .2C 6 D 6 , Cd(NH 3 ) 2 Ni(CN) 4 .2C 6 H 6 and Cd(NH 3 ) 2 Ni(CN),.2C 6 D 6 have been measured at room te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d34c3feccd38b55dc7397da67078c4e2
https://doi.org/10.1016/0584-8539(74)80100-5
https://doi.org/10.1016/0584-8539(74)80100-5
Autor:
P.F. Swinton, A.B. Dempster
Publikováno v:
Journal of Molecular Structure. 21:373-385
The results of a combined infrared and nuclear magnetic resonance study of the meso (RS) and dl (RR) stereoisomers of 1,2,5,6-tetrachlorohexane and one meso (SRSR) form of 2,3,6,7-tetrachlorooctane are discussed with respect to the conformations of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::719a4915007a4cc5a50ab626e155843e
https://doi.org/10.1016/0022-2860(74)80087-6
https://doi.org/10.1016/0022-2860(74)80087-6
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 31:245-253
The vapour phase infrared spectra of C6H5CH3, C6D5CH3 and C6H5CD3 have been measured in detail in the wavenumber regions associated with the “perpendicular” methyl (or methyl-d3) bond-stretching, antisymmetrical bending and rocking vibrations. Al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c172ceda76215c43f81828752af54c3f
https://doi.org/10.1016/0584-8539(75)80017-1
https://doi.org/10.1016/0584-8539(75)80017-1
Publikováno v:
J. Chem. Soc., Dalton Trans.. :1746-1749
Infrared (200–4 000 cm–1) and Raman (300–3 500 cm–1) spectra are reported for metal(II) halide pyridine complexes of the following stoicheiometries: [MX2(py)2](M = Mn, Fe, Co, Ni, Cu, Zn, Cd, or Hg); [MX2(py)4](M = Fe, Co, or Ni); [MX2(py)2](
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14b28932591a154bf9adfc052c582935
https://doi.org/10.1039/dt9760001746
https://doi.org/10.1039/dt9760001746
Autor:
A.B. Dempster
Publikováno v:
Journal of Molecular Structure. 23:193-202
Reconsideration of data from an earlier nuclear magnetic resonance study of 1,2-dichloropropane indicates that previously reported energy differences of the two G isomers compared to the T isomer (C-Cl bonds trans) should be reassigned for both the l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2d35cccdda9141e0d0a4b2913248905
https://doi.org/10.1016/0022-2860(74)85033-7
https://doi.org/10.1016/0022-2860(74)85033-7
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 31:1775-1784
The results are presented for an i.r. spectroscopic study of nickel and cadmium Hofmann-type clathrates, M(NH3)2Ni(CN)4,2G, M = Ni or Cd and G = thiophene, furan, pyrrole or phenol, with the exception of the cadmium clathrate with furan which could n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f4f92da4fc2472154b59980cbe9456c
https://doi.org/10.1016/0584-8539(75)80232-7
https://doi.org/10.1016/0584-8539(75)80232-7
Autor:
A.B. Dempster, H. Uslu
Publikováno v:
Journal of Molecular Structure. 21:197-219
Normal coordinate analysis calculations have been made to determine the carbon-chlorine stretching (v(C-Cl)) frequencies of model rotational isomers of 1,2-dichloroethane, 1,2-dichloropropane, 1,3-dichloropropane, 1,5-dichloropentane and 1,2,3-trichl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::750ceb97b5850c1d1b18d7fceadbd0de
https://doi.org/10.1016/0022-2860(74)80046-3
https://doi.org/10.1016/0022-2860(74)80046-3