Zobrazeno 1 - 10
of 53
pro vyhledávání: '"A.H. Brunetti"'
Autor:
C. A. Meriles, Javier Ellena, A.H. Brunetti, Y. P. Mascarenhas, M. T. do P. Gambardella, R. H. De Almeida Santos
Publikováno v:
Journal of Molecular Structure. 513:245-250
1-Cl-4-Br-benzene, ClBrC6H4, Mr=191.4, P21/c, a=4.0238(6), b=5.8034(10), c=15.083(2), β=112.23(1)°, V=326.03 A3, Z=2, Dx=1.950 g cm−3, λ(Mo Kα)=0.71073 A, μ=6.594 mm−1, F(000)=184, T=220 K, final R=0.046 for 980 observed reflections. 1-Cl-4-
Autor:
A.H. Brunetti
Publikováno v:
Solid state nuclear magnetic resonance. 25(1-3)
This work is a study of the polymorphic transformations of triphenylchloromethane (TPCM) as well as the structure and dynamics of this molecular solid. Crystalline TPCM has been studied by a variety of techniques and many of its physical properties h
Publikováno v:
Journal of Molecular Structure. 116:221-225
Experimental data on the temperature dependence of the spin—lattice and spin—spin relaxation times of 35Cl nuclei in 4-chlorobenzyl chloride are interpreted by assuming that at a critical temperature, the relaxation mechanisms become more effecti
Autor:
D.J. Pusiol, A.H. Brunetti
Publikováno v:
Journal of Molecular Structure. 96:293-300
The NQR frequencies of p -chlorobenzene sulphonyl chloride are investigated in the temperature range 100–240 K. Two solid phases have been found in this compound for both of which two resonances have been observed throughout the temperature range,
Publikováno v:
Journal of Molecular Structure. 111:171-176
This work reports the experimental results of the uniaxial pressure dependence at various temperatures of the spin-lattice relaxation time, T 1 , in paradichlorobenzene single crystals. The directionality of the pressure dependence, together the temp
Publikováno v:
Journal of Molecular Structure. 195:319-324
The temperature dependence of the NQR frequencies and spin—lattice relaxation time of 2,6-dichlorotoluene are investigated in the temperature range 60–160 K. From the NQR spectral data a possible molecular arrangement is suggested. Besides, the o
Publikováno v:
Journal of Molecular Structure. 140:123-129
A comprehensive study of the temperature dependence of both nuclear quadrupole resonance frequency, νq(T), and spin-lattice relaxation time, T1(T), in the range 50 to 220 K, on p-toluenesusulphonyl chloride shows that each substituent group on the b
Autor:
A.H. Brunetti, D.J. Pusiol
Publikováno v:
Journal of Molecular Structure. 81:131-137
The 35Cl NQR spectrum of benzene sulphonyl chloride has been measured over the temperature range 80–285 K. Two crystalline phases were found, as predicted by Bray and Steve from observations of the NQR spectra at 77 K. An analysis of the temperatur
Publikováno v:
Chemischer Informationsdienst. 17
A comprehensive study of the temperature dependence of both nuclear quadrupole resonance frequency, νq(T), and spin-lattice relaxation time, T1(T), in the range 50 to 220 K, on p-toluenesusulphonyl chloride shows that each substituent group on the b
Publikováno v:
Chemischer Informationsdienst. 15
Experimental data on the temperature dependence of the spin—lattice and spin—spin relaxation times of 35Cl nuclei in 4-chlorobenzyl chloride are interpreted by assuming that at a critical temperature, the relaxation mechanisms become more effecti