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Showing papers by "Oscar E. Piro published in 1993"

Journal Article•DOI•
Crystal structure and magnetic properties of diaqua (L-aspartato)copper(II)

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Rafael Calvo, C. A. Steren, Oscar E. Piro, Teófilo Rojo, F. J. Zuniga, Eduardo E. Castellano 
01 Dec 1993-Inorganic Chemistry
TL;DR: The title compound, Cu(CO 2 NH 2 CHCH 2 CO 2 )(H 2 O) 2, crystallizes in the space group C2, with a=9.504, b=10.038, c=7.555, β=94.01 o, and Z=4.024 as mentioned in this paper.
Abstract: The title compound, Cu(CO 2 NH 2 CHCH 2 CO 2 )(H 2 O) 2 , crystallizes in the space group C2, with a=9.504(1) A, b=10.038(3) A, c=7.555(1) A, β=94.01 o , and Z=4. The structure was solved by employing 807 independent reflections with I>3σ (I), by Patterson and difference Fourier techniques, and refined by full-matrix least squares to R=0.024. The Cu(II) ion is in a distorted tetragonal pyramidal coordination

38 citations

Journal Article•DOI•
Infrared spectra and molecular structure of excited electronic metastable states of the nitroprusside anion, [Fe(CN)5NO]2-

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J.A. Güida1, Pedro J. Aymonino1, Oscar E. Piro1, Eduardo E. Castellano2•
National University of La Plata1, University of São Paulo2
01 Apr 1993-Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
TL;DR: In this article, the authors used dichroic measurements to estimate the orientation in the transition dipole moment vector corresponding to the NO mode of the [Fe(CN) 5 NO] 2− (NP) ion in both metastable states.

31 citations