Zobrazeno 1 - 10
of 24
pro vyhledávání: '"M.E. Chacón Villalba"'
Autor:
Gerardo Enrique Camí, M.E. Chacón Villalba, D.B. Soria, Gustavo A. Echeverría, Guillermina Estiu
Publikováno v:
Journal of Molecular Structure. 1062:82-88
Two new complexes of Ni and Zn with 4-chloro-2-nitrobenzenesulfonamide (ClNbsa) have been synthesized and characterized. The structure of the [Ni(ClNbsa)2(NH3)4] complex was determined by X-ray diffraction methods. It crystallizes in the monoclinic P
Autor:
Susana B. Etcheverry, J. F. Cadavid-Vargas, M.E. Chacón Villalba, Gerardo Enrique Camí, Gloria Cristina Valencia-Uribe, Cristian Villa-Pérez, Isabel Cristina Ortega, F. Giannini, D.B. Soria, Gustavo A. Echeverría
A novel ternary complex of Cobalt(II) with 4-amino-N-2-quinoxalinylbenzenesulfonamide (sulfaquinoxaline, SQO), and 2,20 -bipyrimidine (Bpym) as ligands has been prepared. The complex has been characterized based on elemental analyses, FTIR and Raman
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ec3919fd537d547bb21c88a7d104b09
https://www.sciencedirect.com/science/article/pii/S0020169316301463
https://www.sciencedirect.com/science/article/pii/S0020169316301463
Autor:
M.E. Chacón Villalba, Guillermina Estiu, Gustavo A. Echeverría, Gerardo Enrique Camí, D.B. Soria, Pedro A. Colinas
Publikováno v:
Journal of Molecular Structure. 1024:110-116
The results of the structural and electronic structure of p-cyanobenzenosulfonamide (L), and its copper(II) complex, Cu(L) 2(NH3)2 are reported. Both compounds have been prepared and their crystal structures determined. The sulfonamide crystallizes i
Publikováno v:
Journal of Chemical Crystallography. 41:508-513
The crystal structure of [Ru(NH3)4(OH)(NO)]ZnCl4 was determined by X-ray diffraction methods. Such study confirmed the already reported data for the complex cation and allowed a description of the main features of the lattice structure. An infrared a
Autor:
N. Dupont, Pedro J. Aymonino, J. Marrot, Eduardo L. Varetti, M.E. Chacón Villalba, Alda Navaza
Publikováno v:
Journal of Chemical Crystallography. 37:573-577
The crystal structure of [Co(NH3)5NO3](NO3)(PF6) ·1.5 H2O was studied by X-ray diffraction methods in order to obtain the unknown molecular structure of the [Co(NH3)5NO3]2+ cation . The substance crystallizes in the monoclinic system, space group C2
Publikováno v:
Inorganica Chimica Acta. 359:707-712
The [(NH3)5CoN(O)NOCo(NH3)5]Br2(NO3)2 · 2.5H2O salt was studied by X-ray diffraction methods. Such structural study confirmed the already reported binuclear, bridged structure of the complex cation and allowed a description of the main features of t
Publikováno v:
Vibrational Spectroscopy. 23:31-38
Interferometric infrared and Raman spectra of thallium nitroprusside (Tl2[Fe(CN)5NO]), with normal isotopic composition or substituted with 13 C (98.5%), were obtained from 4000 to 50 cm−1 at room and low temperature (boiling liquid air). Infrared
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 55:1545-1552
A new force field was calculated for the nitroprusside anion, [Fe(CN) 5 NO] 2− , using density functional theory (DFT). This force field was converted to symmetry coordinates and scaled to reproduce the experimental wavenumbers of the normal vibrat
Publikováno v:
Vibrational Spectroscopy. 14:275-286
The Fourier transform infrared and NIR Raman spectra between 4000 and 50 cm−1 of sodium nitroprusside dihydrate, Na2[Fe(CN)5NO]· 2H2O, normal and enriched with 54Fe, 13C and 15N(O), have been obtained. Results provided wavenumbers and isotopic shi
Autor:
Oswaldo Sala, Pedro J. Aymonino, Marcia L. A. Temperini, Joel C. Rubim, Alicia H. Jubert, M.E. Chacón Villalba
Publikováno v:
Journal of Raman Spectroscopy. 22:301-305
The SER spectra of the complexes [Fe(CN)5(4-picolylamine)]3− and [Fe2(CN)10(4-picolylamine)]6− adsorbed on a silver electrode were investigated. The analysis of the frequency shift of the CN stretching mode indicated that both molecules adsorb vi