Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Angel Dago Morales"'
Autor:
Héctor Novoa de Armas, Angel Dago Morales, Martin-Iglesias Arteaga, Norbert Blaton, Camiel J. De Ranter, Oswald M. Peeters
Publikováno v:
Journal of Chemical Crystallography. 30:693-697
The compound (25R)-2α,3α-epoxy-5α-spirostan-6,23-dione, crystallizes as a hemi-ethyl acetate solvate, having two host molecules of similar conformation per molecule of ethyl acetate, in the asymmetric unit. The O atom of the epoxy group is α-orie
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 53:1881-1883
In the title compound, C 25 H 41 BrO 3 , the Br atom bonded to C 3 is β-axially oriented and is (-)-synclinal to the C4-C5 bond. The six-membered rings (A, B and C) have chair conformations as expected. The five-membered ring (D) adopts a distorted
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 52:1679-1681
The structure of the title compound, [Ce{Fe(CN) 6 }- (C 2 H 5 NO 2 ) 3 (H 2 O)].H 2 O, consists of FeC 6 octahedra linked to an eight-coordinate cerium ion via two cyanide bridging Ce-N-C-Fe groups. The rest of the coordination polyhedron of the ceri
Autor:
Yumirka Comesaña García, Reinaldo Fernández Fernández, Roberto Oropesa Rodríguez, Alicia Romero Hernández, Ángel Dago Morales
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 51, Iss 2, Pp 290-305 (2020)
La gasolina es una mezcla de cientos de hidrocarburos obtenida del petróleo por destilación fraccionada, su composición varía en función de la naturaleza del crudo y del propio proceso tecnológico. Entre los parámetros físicoquímicos que exi
Externí odkaz:
https://doaj.org/article/e4860d69445545458318e109f16a77da
Autor:
Ramón Pomés Hernández, Oswald M. Peeters, Heidy Márquez, Camiel J. De Ranter, Héctor Novoa de Armas, Angel Dago Morales, Norbert Blaton
Publikováno v:
Acta crystallographica. Section C, Crystal structure communications. 56
The title compound, C13H18N2O2S, crystallizes in the thioamidic form. The molecules are connected by N—H⋯S interactions forming dimers with N⋯S and H⋯S distances of 3.487 (4) and 2.76 A, respectively.
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 58:m157-m158
The title compound, [La{Fe(CN)6}(C2H5NO2)3(H2O)]2·2H2O, consists of Fe(CN)6 octahedra connected to an eight-coordinate lanthanum via two cyanide bridging La—N—C—Fe links. The La3+ ions are bridged by four glycine molecules, forming a binucle
Autor:
Ángel Dago Morales, Alicia Romero Hernández, Julio Duque Rodríguez, Manuel Ávila Santos, Raúl O Mocelo Castell
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 50, Iss 1, Pp 114-122 (2019)
8- (4-bromophenoxy) caffeine was synthesized, and its absolute crystal structure was determined by single crystal techniques. The title compound crystallizes in the orthorhombic space group P212121 with a= 7.9056(3), b= 9.1413(3), c= 20.2023(6) Å, a
Externí odkaz:
https://doaj.org/article/5230f5256d8e4c41925a8adee9a5708f
Autor:
Heidy Márquez, Héctor Novoa de Armas, Angel Dago Morales, Ramón Pomés Hernández, Oswald M. Peeters, Camiel J. De Ranter, Norbert Blaton
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 56:1042-1043
The title compound, C(9)H(11)NO(3)S, has crystallographic mirror symmetry, occurs in the thiocarbamate form and is stabilized in an s-cisoid,s-transoid conformation with respect to the C-N-C group. There are two intramolecular hydrogen bonds, one bet
Autor:
R. Pomés Hernández, Marta Fonseca, Angel Dago Morales, G. Echeverria, F. C. Manchado, G. Punte
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 53:1705-1706
In the title compound, C 27 H 40 O 4 , the presence of a double bond between C2 and C3 forces ring A to adopt a 10α,5β half-chair conformation. The B, C and F rings have chair conformations, as is usual in this type of compound. The D ring adopts a
Publikováno v:
Transition Metal Chemistry. 17:573-574
The structure of K3(Me4N)3[Co(CN)6]2·3H2O has been determined from three-dimensional X-ray diffraction data. The unit cell is formed by parallel layers of cobalt octahedra [CoC6] and potassium octahedra, [K(1)N5O(1)], separated byc/2. In each layer