Browsing Artículos (Física de la Materia Condensada) by Issue Date
Now showing items 21-40 of 633
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Article
Lattice-Dynamical Calculation of Second-Order Thermal Diffuse Scattering in Molecular Crystals
(International Union of Crystallography, 1985)A computer procedure has been developed to calculate second-order thermal diffuse scattering (TDS) intensity for molecular ...
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Article
X-ray Structure and Molecular-Packing Analysis of l'-(p-Bromophenyl)-3'-ethyl- 1 ',3 ',4',5 '-tetrahy dro- 1,2-dideo xy-D-glycero-ot-D-galacto-heptofuranoso[ 2, l-d]imidazole- 2'-thione Monohydrate
(International Union of Crystallography, 1985)6- (p-Bromophenyl)-4-ethyl-3-hydroxy-2- (1,2,3-trihydroxypropyl)-2,3,3 a,5,6,6 a-hexahydrofuro- [2,3-d]imidazole-5(4H)-thione ...
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Article
Structure and Absolute Configuration of 4-(a-D-Erythrofuranosyl)-1,3-dihydro-3-methyll-( p-tolyl)-2H-imidazole-2-thione, C 15 H18N2038
(International Union of Crystallography, 1985)M r = 306.4, monoclinic, P21, a = 14.686 (6), b=5.359(4), c=9.439(3) A, fl=98.68(3) ° , V= 734.4 (7)/I,3, Z = 2, D x = ...
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Article
Structure of 5-fl-D-Galactopyranosyl- 1,3-dimethylbarbituric Acid Monohydrate,* C12H1sN2Os.H20
(International Union of Crystallography, 1985)Mr=336'30, orthorhombic, P21212 ~, a= 9.147(1), b=23.054(2), c=6.921(1)A, V= 1459.5(3)A 3, Z=4, Dm=l'53(1), Dx= 1.531Mgm ...
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Article
Structure and Absolute Configuration of l'-(p-Bromophenyl)-3'-ethyl-l',Y,4',5'- tetrahydro- 1,2-dideoxy-u-L-glucofuranoso[2,l-d]imidazole-2'-thione Monohydrate,* C15H19BrN204S.H20
(International Union of Crystallography, 1985)M r = 421-30, monoclinic, P2~, a = 7.531 (1), b=8.148(4), c= 14. 625 (2) ,~, fl=97.14(1) °, V= 890.5 (5) ,~3, Z= 2, Din= ...
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Article
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 ...
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Article
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, ...
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Article
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 ...
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Article
X-ray Structure and Thermal Motion of Barium N-Dithioearboxylatoglyeinate Trihydrate
(International Union of Crystallography, 1986)Ba2+.C3H3NO2S2-.3H2 O, Mr=340.6 , triclinic, P1, a = 7.906 (1), b = 7.905 (1), c = 8.000 (1) A, ct= 96.34 (1), fl= 100.08 ...
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Article
Sintering and Characterization Studies of NiO
(EDP Sciences, 1986)Des polycristaux de NiO de haute pureté ont été élaborés par frittage avec et sans charge. Ils ont été caractérisés par microscopie optique et électronique. Leur comportement en fluage a été étudié au dessus de 1200°C.
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Article
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 ...
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Article
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, ...
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Article
Multiple steady states on an adsorbent surface
(American Institute of Physics Publising LLC, 1986)The occurrence of multiple steady states in a system formed by monomers adsorbed on a lattice, with attractive interaction ...
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Article
Structure and Molecular-Packing Analysis of a Heptofuranosoimidazolidine-2-Thione
(International Union ofCrystallography, 1987)1-(4-Bromophenyl)-3-ethyl-(3,5,6,7-tetra-0- acetyl-1,2-dideoxy-n-glycero-P-n-talo-heptofuranoso )- * IUPAC name: ...
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Article
X-Ray Structure and Molecular-Packing Analysis of Artemetin
(International Union of Crystallography, 1987)5-Hydroxy-3,3' ,4',6,7-pentamethoxyflavone (flavone is 2-phenyl-4H-1-benzopyran-4-one ), C20H20- 08, M,= 388·4, monoclinic, ...
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Article
Structure of 5-(p-n-Glucopyranosyl)barbituric Acid Trihydrat
(International Union of Crystallography, 1987)C 1oH15N 307.3H20, M,= 343·3, monoclinic, P21, a= 10·883 (3), b = 12·497 (20), e=rings for the two molecules are 80·9 (3) ...
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Article
Molecular-Packing Analysis of Some Glucofuranoimidazolidine Crystals
(International Union of Crystallography, 1987)Lattice-energy minimization for seven glucofuranoimidazolidine crystals was carried out in the atom-atom approach using ...
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Article
Plastic deformation down to 4.2 K of CoO single crystals and T.E.M. observation of dislocations
(EDP Sciences, 1988)Plastic deformation of CoO has been performed at 4.2 K by compression of single crystals along <100>. The influence of ...
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Article
Lattice-Energy Calculations on Organometallic Compounds
(International Union of Crystallography, 1988)Lattice-energy calculations in the atom-atom approach have been performed for five organometallic com pounds of previously ...
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Article
Structure of 1-Methyl-5-(D-ga/acto-1 ,2,3,4,5-pentaacetoxypentyl)- 3-phenylpyrazole
(International Union of Crystallography, 1989)C25H30N2010, Mr = 518·5, orthorhombic, P2 1212¡, a= 12·303 (2), b =:= 25·071 (4), e=pentyl chain range from 45 to ...