Zobrazeno 1 - 10
of 135
pro vyhledávání: '"Slimane Dahaoui"'
Autor:
Ariste Bolivard Voufack, Iurii Kibalin, Zeyin Yan, Nicolas Claiser, Saber Gueddida, Béatrice Gillon, Florence Porcher, Arsen Gukasov, Kunishisa Sugimoto, Claude Lecomte, Slimane Dahaoui, Jean-Michel Gillet, Mohamed Souhassou
Publikováno v:
IUCrJ, Vol 6, Iss 5, Pp 884-894 (2019)
The present work reports on the charge and spin density modelling of YTiO3 in its ferromagnetic state (TC = 27 K). Accurate polarized neutron diffraction and high-resolution X-ray diffraction (XRD) experiments were carried out on a single crystal at
Externí odkaz:
https://doaj.org/article/b055a1a717094fb08be80821a58fdd7c
Publikováno v:
IUCrData, Vol 2, Iss 6, p x170907 (2017)
In the title compound, C22H21N5O, the triazole ring is inclined at 16.88 (12)° to its phenyl substituent and is almost normal to the benzimidazole ring system, making a dihedral angle of 88.40 (8)°. The cyclohexenyl ring adopts a half-chair conform
Externí odkaz:
https://doaj.org/article/96661308c9224deb894f510a396f13fd
Publikováno v:
Materials, Vol 3, Iss 2, Pp 1281-1301 (2010)
Correlative studies of three oxalato-bridged polymers, obtained under hydrothermal conditions for the two isostructural compounds {Rb(HC2O4)(H2C2O4)(H2O)2}∞1, 1, {H3O(HC2O4)(H2C2O4).2H2O}∞1, 2, and by conventional synthetic method for {Rb(HC2O4)}
Externí odkaz:
https://doaj.org/article/f59e66b536db465083c7e8faea65c633
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 3, Pp m80-m81 (2014)
The title compound, [Cu(C5H3N6)2(H2O)2]·2C5H3N3, is a 1:2 co-crystal between the mononuclear complex diaquabis[5-(pyrazin-2-yl)tetrazolato]copper(II) and the reagent pyrazine-2-carbonitrile which was used in the synthesis. The CuII atom is located o
Externí odkaz:
https://doaj.org/article/f81d4ba75a8742169907daa8adb65fe4
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp m493-m494 (2013)
In the title compound, [CaCs2(C2O4)2(H2O)4]n, the Ca2+ ion, lying on a twofold rotation axis, is coordinated by four O atoms from two oxalate ligands and two bridging water molecules in an octahedral geometry. The Cs+ ion is coordinated by seven O at
Externí odkaz:
https://doaj.org/article/6fdf8d4e78554f21959646f0dfc1285e
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3266-o3267 (2012)
The title compound, 2C5H7N52+·2HSO4−·SO42−, was synthesized from adenine and sulfuric acid. The asymmetric unit contains two diprotonated adeninium cations, two bisulfate anions and one sulfate anion. The crystal structure is stabilized by clas
Externí odkaz:
https://doaj.org/article/7ce880344d3446068df29dd334349587
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 10, Pp o2959-o2960 (2012)
The asymmetric unit of the title hydrated salt, C6H14NO2+·F−·H2O, contains a discrete cation with a protonated amino group, a halide anion and one water molecule. The crystal structure is composed of double layers parallel to (010) held together
Externí odkaz:
https://doaj.org/article/999a6c1571db44ceafef4707f157d8fb
Autor:
Aouaouche Benkanoun, Fadila Balegroune, Achoura Guehria-Laïdoudi, Slimane Dahaoui, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 4, Pp m480-m481 (2012)
In the title compound, [Co(C8H4O4)(C3H4N2)3(H2O)2]·H2O, the cisoid angles are in the range 85.59 (5)–93.56 (5)°, while two equal transoid angles deviate significantly from the ideal linear angle, the third being almost linear. One carboxylate gro
Externí odkaz:
https://doaj.org/article/5aa65dcb4181477b85d7861c40607d51
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 10, Pp o2303-o2304 (2009)
In the title salt, C5H6N5+·C7H8NO2+·2ClO4−·3H2O, the 3-carboxyanilinium and adeninium cations are monoprotonated at the amino group and at a pyrimidine N atom respectively. In the crystal, the components are involved in extensive three-dimension
Externí odkaz:
https://doaj.org/article/882b1070e96e4cb8a68a179403c1dc1a
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 9, Pp o2285-o2286 (2009)
In the title compound, C5H6N5+·C4H6N3O+·SO42−, the adeninium (AdH+) and cytosinium (CytH+) cations and sulfate dianion are involved in a three-dimensional hydrogen-bonding network with four different modes, viz. AdH+...AdH+, AdH+...CytH+, AdH+...
Externí odkaz:
https://doaj.org/article/b635d937690e49248d40962f763c90b1