Zobrazeno 1 - 10
of 447
pro vyhledávání: '"Claude, Lecomte"'
Autor:
Patrice Kenfack Tsobnang, Eric Ziki, Soso Siaka, Jules Yoda, Seham Kamal, Adam Bouraima, Ayi Djifa Hounsi, Emmanuel Wenger, El-Eulmi Bendeif, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 2, Pp 106-109 (2024)
In the title compound, C20H18O4, the dihedral angle between the 2H-chromen-2-one ring system and the phenyl ring is 89.12 (5)°. In the crystal, the molecules are connected through C—H...O hydrogen bonds to generate [010] double chains that are rei
Externí odkaz:
https://doaj.org/article/8ec440982fbc4a088239530f77486890
Autor:
Yves Alain Mbiangué, Alfred Bijvédé, Patrice Kenfack Tsobnang, Emmanuel Wenger, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 11, Pp 1732-1736 (2020)
The asymmetric unit of the title compound, (NH4)2[Ni(C2H6N4O2)3]2[Cr(C2O4)3]2·6.76H2O, comprises two NH4+ cations, two [Ni(C2H6N4O2)3]2+ cations and two [Cr(C2O4)3]3– anions, as well as eight water molecules of crystallization of which only one is
Externí odkaz:
https://doaj.org/article/82187dc43f6c43beb65e37bbb9128382
Autor:
Yves Alain Mbiangué, Manelsa Lande Ndinga, Jean Pierre Nduga, Emmanuel Wenger, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 8, Pp 1316-1319 (2020)
The title compound, [Ni(H2O)6][BaCr(C2O4)3(H2O)3]2·4H2O, was obtained in the form of single crystals from the slow evaporation of an aqueous mixture of {Ba6(H2O)17[Cr(C2O4)3]4}·7H2O and NiSO4·6H2O in the molar ratio 1:4. Its structure is made up o
Externí odkaz:
https://doaj.org/article/de2c75802ab64282804411ed094e1a37
Autor:
Finagnon Hyacinthe Agnimonhan, El-Eulmi Bendeif, Léon Ahoussi Akanni, Ahokannou Fernand Gbaguidi, Eddy Martin, Emmanuel Wenger, Claude Lecomte
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 4, Pp 581-584 (2020)
4-[(Morpholin-4-yl)carbothioyl]benzoic acid, C12H13NO3S, a novel phenyl(morpholino)methanethione derivative, crystallizes in the monoclinic space group P21/n. The morpholine ring adopts a chair conformation and the carboxylic acid group is bent out s
Externí odkaz:
https://doaj.org/article/96ad0fc9fb9b4d5db2bb5350ef762c55
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:
CrystEngComm. 25:770-784
The growth and thermal stability of the gallic acid : nicotinic acid cocrystal has been analyzed in terms of electron density analysis and conversion of GA monohydrate into anhydrate through heating the co-crystal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee38f92ce0b65568f2d213e7587ee23e
https://doi.org/10.1039/d2ce01149b
https://doi.org/10.1039/d2ce01149b
Autor:
Rahul Shukla, Nicolas Claiser, Mohamed Souhassou, Claude Lecomte, Shah Jaimin Balkrishna, Sangit Kumar, Deepak Chopra
Publikováno v:
IUCrJ, Vol 5, Iss 5, Pp 647-653 (2018)
In this study, the nature and characteristics of a short Br...π interaction observed in an ebselen derivative, 2-(2-bromophenyl)benzo[d][1,2]selenazol-3(2H)-one, has been explored. The electronic nature of this Br...π interaction was investigated v
Externí odkaz:
https://doaj.org/article/09a4ca2b34494133bd44aac608ca79b7
Publikováno v:
CrystEngComm. 24:7758-7770
The growth and stability of a new 1 : 1 antipyrene–dichlorobenzoic acid cocrystal system has been analyzed in terms of electron density analysis and electrostatic interaction energy contributions.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46d465fd811f872fa82ccf8165251c47
https://doi.org/10.1039/d2ce01179d
https://doi.org/10.1039/d2ce01179d
Publikováno v:
Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 77:1035-1047
Experimental electron density analysis by means of high-resolution X-ray diffraction data up to sinθ/λmax = 1.11 Å−1 at 100 (1) K has been performed to analyze the detailed structure and the strength of intermolecular interactions responsible fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bed0997644c40fd91dbed77e2e9925a
https://doi.org/10.1107/s2052520621009124
https://doi.org/10.1107/s2052520621009124
Autor:
Piero Macchi, Jean-Michel Gillet, Francis Taulelle, Javier Campo, Nicolas Claiser, Claude Lecomte
Publikováno v:
IUCrJ, Vol 2, Iss 4, Pp 441-451 (2015)
Electron density is a fundamental quantity that enables understanding of the chemical bonding in a molecule or in a solid and the chemical/physical property of a material. Because electrons have a charge and a spin, two kinds of electron densities ar
Externí odkaz:
https://doaj.org/article/cf23b7612d8f4ed8b2be1165089e86d3