Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Nelson G. Fernandes"'
Autor:
Elene C. Pereira-Maia, Edmar Chartone-Souza, Mônica Bucciarelli-Rodriguez, Nelson G. Fernandes, Geandson C. Santos, Rodinei Augusti, Priscila P. Silva, Marina S. Franco, Ivana M. Marzano
Publikováno v:
Molecules, Vol 18, Iss 2, Pp 1464-1476 (2013)
A new complex of Bi(III) and sulfapyridine was synthesized and characterized by elemental analysis, atomic absorption spectrometry, conductivity analysis, electrospray ionization mass spectrometry (ESI-MS), infrared spectroscopy, and single crystal X
Externí odkaz:
https://doaj.org/article/fbcea6abb7464d8397fa9d644da447e6
Autor:
Cynthia Demicheli, Frédéric Frézard, Maria N. Melo, Priscila G. Reis, Nivaldo L. Speziali, Nelson G. Fernandes, Rubens L. Monte-Neto, Edgar H. Lizarazo-Jaimes
Publikováno v:
Molecules, Vol 17, Iss 11, Pp 12622-12635 (2012)
Two novel trivalent antimony(III) and bismuth(III) complexes with the nitrogen-donor heterocyclic ligand dipyrido[3,2-a:2',3'-c]phenazine (dppz) were synthesized and characterized as [Sb(dppz)Cl3]∙H2O∙CH3OH and [Bi(dppz)Cl3]. The crystal structur
Externí odkaz:
https://doaj.org/article/03dd2065c539440e887df3ba76e60025
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 9, Pp i65-i65 (2008)
A natural sample of perovskite (calcium caesium sodium iron titanium oxide) from the Tapira Alkaline Complex in southeastern Brazil was found by electron microprobe analysis to have the chemical formula (Ca2+0.95 (1)Ce3+0.011 (2)Na+0.010 (4))(Fe3+0.0
Externí odkaz:
https://doaj.org/article/b893d13a95b94e63b72de2d3445eead7
Autor:
W.F. Magalhães, F.C. Oliveira, G.C. Santos, Maria Irene Yoshida, Dario Windmöller, José C. Machado, A.M.L. Denadai, Claudio Luis Donnici, L.D.L Guerra, F. Fulgêncio, Nelson G. Fernandes
Publikováno v:
Journal of Molecular Structure. 1037:1-8
Hydrogen bond formation in the triphenylphosphine oxide (TPPO), acetanilide (ACN) supramolecular heterosynton system, named [TPPO0.5·ACN0.5], has been studied by Positron Annihilation Lifetime Spectroscopy (PALS) and supported by several analytical
Publikováno v:
Journal of Molecular Structure. 1014:102-109
An analysis of intra- and intermolecular short hydrogen bonds in a new salt of nicotinic acid (3-pyridinecarboxylic acid), Nic, and pyromellitic acid (1,2,4,5-benzenetetracarboxylic acid), H4Pm, with formula (HNic)2(H2Pm), 1, has been carried out by
Autor:
Jan Janczak, Luciano H. Chagas, Renata Diniz, Nelson G. Fernandes, Luiz Fernando C. de Oliveira, Fernando S. Gomes
Publikováno v:
Journal of Molecular Structure. 892:305-310
Two isostructural compounds consisting of hexaaquanickel(II) or hexaaquazinc(II) cations and hydrogen ortho -sulfobenzoate (HSBZ) as counter-ions have been synthesized and characterized by X-ray diffraction and vibrational spectroscopy techniques. Th
Autor:
Jackson A. L. C. Resende, and Maria I. Yoshida, Carlos B. Pinheiro, Bruno Gonçalves Pereira, Nelson G. Fernandes, Cristina Duarte Vianna-Soares, † Fabio D. Fonte-Boa
Publikováno v:
Crystal Growth & Design. 7:2016-2023
Nevirapine (C15H14N4O) is a lipophilic drug of low aqueous solubility used in AIDS treatment. Three different crystal forms of this non-nucleoside reverse transcriptase inhibitor were obtained after recrystallization procedures. Physical characteriza
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 67:372-377
Cobalt and zinc salts of 1,2,4,5-benzenetetracarboxylic acid (pyromellitic acid), [C 6 H 2 (COO) 4 H 4 ], have been synthesized and investigate by polarized Raman spectroscopy. These compounds present short intramolecular hydrogen bonds (SHB) between
Autor:
Marcelo Knobel, Cibele Konzen, Javier Ellena, L.C. Meira-Belo, Humberto O. Stumpf, Antonio C. Doriguetto, Cynthia L. M. Pereira, U. A. Leitão, A.L. Brandl, Nelson G. Fernandes, Yvonne Primerano Mascarenhas
Publikováno v:
European Journal of Inorganic Chemistry. 2005:5018-5025
The compound [CoCu(opba)(DMSO)3] (1) [opba = ortho-phenylenebis(oxamato)] has been synthesized and characterized. Its crystal structure has been analyzed by X-ray diffraction techniques at 100 and 298 K. A structural phase-transition has been detecte
Autor:
Heitor A. De Abreu, Nelson G. Fernandes, Maria T. C. Sansiviero, Wagner B. De Almeida, Renata Diniz
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 61:1747-1757
Five salts of 1,2,4,5-benzenetetracarboxylic acid (pyromellitic acid), [C6H2(COO)4H4], have been synthesized and investigated by infrared and Raman spectroscopy and by single crystal X-ray diffraction methods: sodium salt [Na2(H2O)2][C6H2(COO)4H2], p