J. C. Pedregosa
National University of La Plata
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Featured researches published by J. C. Pedregosa.
Monatshefte Fur Chemie | 1978
Enrique J. Baran; Irma L. Botto; J. C. Pedregosa; P. J. Aymonino
The infrared and laser-Raman spectra of Sr2V2O7 are reported and discussed by means of a “Site Symmetry” analysis. The principal force constants as well as the mean amplitudes of vibration for the V2O74− ion have been calculated using a simplified molecular model. Some aspects of the vibrational behaviour of the V−O−V bridge in this ion are also discussed.
Journal of Molecular Structure | 1974
Enrique J. Baran; J. C. Pedregosa; P. J. Aymonino
Abstract The infrared and laser-Raman spectra of crystalline Sr 2 As 2 O 7 and Ba 2 As 2 O 7 are reported and discussed. The principal force constants for the As 2 O 7 4− ion are calculated using a simplified molecular model.
Monatshefte Fur Chemie | 1975
Enrique J. Baran; J. C. Pedregosa; P. J. Aymonino
The infrared and laser-Raman spectra of crystalline Pb2V2O7 are reported and discussed with the aid of a “Site Symmetry”-analysis.
Monatshefte Fur Chemie | 1979
Irma L. Botto; Enrique J. Baran; J. C. Pedregosa; P. J. Aymonino
The infrared and laser-Raman spectra of crystalline Ba2V2O7 are reported and discussed by means of a “Site Symmetry” analysis.
Monatshefte Fur Chemie | 1975
Irma L. Botto; Enrique J. Baran; P. J. Aymonino; J. C. Pedregosa; Gabino F. Puelles
Mn2As2O7 has been obtained by solid state reaction between As2O5 and MnCO3 at 600 °C and also by thermal decomposition of NH4MnAsO4·H2O. The crystallographic study has shown that the substance crystallizes in the monoclinic thortveitite structure. Its i.r. spectrum was recorded and discussed in relation with their structural properties. The i.r. spectrum of the parent compound NH4MnAsO4·H2O was also briefly discussed.
Monatshefte Fur Chemie | 1975
Enrique J. Baran; J. C. Pedregosa; P. J. Aymonino
The infrared and laser-Raman spectra of crystalline Pb2V2O7 are reported and discussed with the aid of a “Site Symmetry”-analysis.
Monatshefte Fur Chemie | 1975
Enrique J. Baran; J. C. Pedregosa; P. J. Aymonino
The infrared and laser-Raman spectra of crystalline Pb2V2O7 are reported and discussed with the aid of a “Site Symmetry”-analysis.
Zeitschrift Fur Kristallographie | 1973
J. C. Pedregosa; Enrique J. Baran; P. J. Aymonino
Monatshefte Fur Chemie | 1978
Enrique J. Baran; Irma L. Botto; J. C. Pedregosa; P. J. Aymonino
Monatshefte Fur Chemie | 1979
Irma L. Botto; Enrique J. Baran; J. C. Pedregosa; P. J. Aymonino
