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Tesis Doctoral
Estructura cristalina, configuración teórica de equilibrio y movimiento térmico molecular de glicofuranoimidazolidina - 2 - tionas
(1984)
En el capítulo II, tras una breve referencia a los métodos utilizados el la solución del problema de la fase, clave de todo estudio estructural, se detallan los resultados obtenidos. Las estructuras moleculares y esquemas ...
Artículo
Structure of l'-(p-Bromophenyl)-3'-ethyl- 1',3t,4',5 t -tetrahydro- 1,2-¢~• deoxy-D-glyeero-Dgu/ a-heptofuranoso[ 1,2-d]imidazole-2'-thione,* C16H21BrN2OsS
(International Union of Crystallography, 1984)
M r = 433.3, monoclinic, P21, a = 6.924 (3), b=8.661 (1), c=15.039(3)A, #=96.92(3) ° , v= 895.3 (4) A a, Z= 2, D, = 1.598 (5), Dx= 1.607 Mg m -a, Mo Ka, 2 = 0.7107/k, # = 2.42 mm -1, F(000) = 444, T = 300 K, R = 0.039 ...
Artículo
Lattice Dynamical Calculation of First-Order Thermal Diffuse Scattering in Phenothiazine
(International Union of Crystallography, 1985)
A computer program has been developed to calculate first-order thermal diffuse scattering (TDS) intensity from eigenvectors and eigenvalues of the dynamical matrix obtained within the harmonic approximation with an ...
Artículo
Structure of 1,3-Dihydro-4-[(2R)-2,5-dihydro-2-furyl]-3-phenyl-l-(p-tolyl)-2H-imidazole- 2-thione, C20HlsN2OS
(International Union of Crystallography, 1985)
Mr=334.4, orthorhombic, P212~2 ~, a= 9.366(4), b=20.616(5), c=9.137(4)A, V= 1764 (1) A 3, Z = 4, D x = 1.26 Mg m -3, 2(Mo Ka) = 0.7107 A, g = 0.18 mm -~, F(000) = 704, T= 300 K, final R--0.056 (wR =0.052) for 1979 ...
Tesis Doctoral
Artículo
X-Ray Structure of 8alpha-Acetoxy-1,3,4,10-Tetrahydro-1alpha,10alpha-Epoxyachillin
(International Union of Crystallography, 1986)
(5aI-I,6/~-I, 11 aH)-8a-Acetoxy- 1,5-dihydro-2- oxo-lct,10ct-epoxyguaian-6,12-olide, C~7H2206, Mr= 322.3, orthorhombic P2~212~, a= 14.964(6), b= 17.057(4), c=6.218(4)A, V=1587(1)A 3, Z=4, D,n=l.349(5), D x=l.349Mgm -3, ...
Artículo
First- and Second-Order Thermal Diffuse Scattering (TDS) Intensity in Molecular Crystals: Influence on Crystal Structure Parameters
(International Union of Crystallography, 1985)
First- and second-order thermal diffuse scattering (TDS) intensities are calculated in the long-wave approximation allowing for dispersion (LWD) in monoclinic phenothiazine from polarization vectors and lattice-mode ...
Artículo
Structure and Molecular Conformation of l-(4-Acetyl-5-methyl-2-furyl)- 1,3-dideoxy-3-nitro-fl-D-xylopyranose
(International Union of Crystallography, 1980)
The crystal structure of C I2HIsNO7 has been determined at room temperature. Crystals are tetragonal, space group P432~2, Z = 8, with a -- 12.039 (1), c = 17.979 (4)A. 1304 observed reflexions contributed to the ...
Artículo
X-ray Structure and Molecular-Packing Analysis of a Glucofuranosoimidazolidine- 2-thione
(International Union of Crystallography, 1986)
1-(4-Bromophenyl)-3-ethyl-(3,5,6-tri-Oacetyl- 1,2-dideoxy-~t-L-glucofuranoso)[2,1-d]imidazolidine- 2-thione,* C21H25BrN2OTS, M,= 529.40, orthorhombic, P2~2121, a= 12.056 (7), b= 22.420 (9), c =8.841 (2)A, V=2390(2) A3, ...
Tesis Doctoral