Browsing by Subject "X-RAY"

Artículo

(2Z)-3-(5-hydroxy-4-oxo-4H-chromen-3-yl)acrylonitrile

Araya Maturana, Ramiro; Heredia Moya, Jorge; Pessoa Mahana, Hernán; Weiss López, Boris; Muñoz, J. C. (BLACKWELL MUNKSGAARD, 2005-04)

The title compound, C12H7NO3, consists of a chromone moiety substituted in position 3 with an acrylonitrile group in a Z configuration. The two planar groups are twisted with respect to one another. The only significant ...

Artículo

catena-Poly[[aqua(3,4,7,8-tetra-methyl-1,10-phenanthroline-kappa N-2,N ')cadmium(II)]-mu(3)-thio-sulfato-kappa ...

Díaz de Vivar, Enriqueta; Baggio, Sergio; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2005-11)

Artículo

Phase characterization of two homologous series of LC methacrylic monomers based on omega-hexyl- and ...

Soto Bustamante, Eduardo; Saldaño Hurtado, Danilo; Vergara Toloza, Rafael Orlando; Navarrete Encina, Patricio; Athanassopoulou, M. A. (TAYLOR & FRANCIS LTD, 2003-01)

The phase characterization of two homologous series of liquid crystalline methacrylic monomers based on omega-hexyl- and omega-butyloxysalicylaldimine groups, with different alkoxy tails, is presented. The liquid crystalline ...

Artículo

Synthesis and structure of two polymeric barium-oxydiacetates: [Ba(oda)center dot H2O](n) and [Ba(Hoda)(2)](n) ...

Baggio, Ricardo; Garland, María Teresa; Leyva, Gabriela; Perec, Mireille; Polla, Griselda (ELSEVIER, 2004-05-10)

The reaction of barium carbonate or hydroxide with oxydiacetic acid leads to the self-assembly of two barium oxydiacetate polymers in good yield: [Ba(oda) (.) H2O](n) (1) and [Ba(Hoda)(2)](n) (2). The products have been ...