Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Antonina Gritco-Todirascu"'
Publikováno v:
Symmetry, Vol 16, Iss 11, p 1531 (2024)
Two charge transfer compounds based on pyridazinium ylids were studied by electronic absorption spectroscopy in binary and ternary solutions, with the purpose of evaluating their descriptors of the first singlet excited state and to estimate the stre
Externí odkaz:
https://doaj.org/article/d85baea94e024ca5be63f7ce9de173e8
Autor:
Dana Ortansa Dorohoi, Dan-Gheorghe Dimitriu, Mihaela Maria Dulcescu-Oprea, Ana Cezarina Morosanu, Nicoleta Puica-Melniciuc, Elena Ardelean, Antonina Gritco-Todirascu, Corina Cheptea
Publikováno v:
Molecules, Vol 26, Iss 13, p 3910 (2021)
Two 4-tolyl-1,2,4-triazol-1-ium methylids, namely 4-tolyl-1,2,4-triazol-1-ium-phenacylid and 4-tolyl-1,2,4-triazol-1-ium-4′-nitro-phenacylid, are studied from solvatochromic point of view in binary solvent mixtures of water with ethanol and water w
Externí odkaz:
https://doaj.org/article/d74b4641ecc94451af3415705756af3f
Autor:
Dana Ortansa Dorohoi, Dorina Emilia Creanga, Dan Gheorghe Dimitriu, Ana Cezarina Morosanu, Antonina Gritco-Todirascu, Gabriel Grigore Mariciuc, Nicoleta Puica Melniciuc, Elena Ardelean, Corina Cheptea
Publikováno v:
Symmetry, Vol 12, Iss 8, p 1299 (2020)
The results obtained both in quantum chemical computation and in solvatochromic study of pyridinium di-carbethoxy methylid (PCCM) are correlated in order to estimate the electric dipole moment in the excited state of this molecule. This estimation is
Externí odkaz:
https://doaj.org/article/997dd979cb97417ba1a70eb463125c82
Publikováno v:
Revista de Chimie. 71:1-9
The visible electronic absorption band of two 4�-phenyl-1,2,4-triazol-1-ium phenacylids was studied in two binary solvents: water (1) + ethanol (2) and water (1) + methanol (2) with variable content in water. The nature and the contribution of the
Autor:
Dana Ortansa Dorohoi, L. M. Ivan, Dorina Creanga, Anamaria Ciubara, Antonina Gritco-Todirascu
Publikováno v:
Revista de Chimie. 71:121-127
The present paper is focused on determination of the main parameters of Chlortetracycline. Chlortetracycline belongs to one of the most used family of antibiotics worldwide, Tetracyclines. Because of the large spectrum of infections which can be trea
Autor:
Mihaela Maria Dulcescu-Oprea, Ana Cezarina Morosanu, Dana Ortansa Dorohoi, Elena Ardelean, Dan Gheorghe Dimitriu, Corina Cheptea, Antonina Gritco-Todirascu, Nicoleta Puica-Melniciuc
Publikováno v:
Molecules
Volume 26
Issue 13
Molecules, Vol 26, Iss 3910, p 3910 (2021)
Volume 26
Issue 13
Molecules, Vol 26, Iss 3910, p 3910 (2021)
Two 4-tolyl-1,2,4-triazol-1-ium methylids, namely 4-tolyl-1,2,4-triazol-1-ium-phenacylid and 4-tolyl-1,2,4-triazol-1-ium-4′-nitro-phenacylid, are studied from solvatochromic point of view in binary solvent mixtures of water with ethanol and water w
Autor:
Nicoleta Puica Melniciuc, Corina Cheptea, Dana Ortansa Dorohoi, Elena Ardelean, Dorina Creanga, Antonina Gritco-Todirascu, Gabriel Grigore Mariciuc, Ana Cezarina Morosanu, Dan Gheorghe Dimitriu
Publikováno v:
Symmetry, Vol 12, Iss 1299, p 1299 (2020)
Symmetry
Volume 12
Issue 8
Symmetry
Volume 12
Issue 8
The results obtained both in quantum chemical computation and in solvatochromic study of pyridinium di-carbethoxy methylid (PCCM) are correlated in order to estimate the electric dipole moment in the excited state of this molecule. This estimation is
Autor:
Cezarina Morosanu, Doina Helene Partenie, Dorina Creanga, Antonina Gritco Todirascu, Dana Ortansa Dorohoi
Publikováno v:
Revista de Chimie. 69:2331-2337
The quantum mechanical and spectral study of two related compounds, namely, 1-p-nitro-benzoyl-benzo[f]quinolinium methylid (BF1) and its cycloadduction derivative 1-p-nitro-benzoyl-2,3-dicarbomethoxy-pyrrolo-[1,2a]-benzo[f]quinoline (BF2) was carried
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 189:307-315
Pyridinium-acetyl-benzoyl-methylid is a cycloimmonium ylid studied here from structural and spectral point of view. Quantum mechanical analysis offers information about the most stable spatial structure, the electro-optical properties in the ground e
Autor:
L. M. Ivan, Dana Ortansa Dorohoi, Antonina Gritco-Todirascu, Ana Cezarina Morosanu, Corina Cheptea, Dan Gheorghe Dimitriu
Two pyridazinium-p-nitro-phenacylids with different structure of heterocycle are studied in this paper from quantum-mechanic and spectral point of view. The dipole moment and the polarizability of ylids in their ground electronic state estimated by H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a45b31d7cc8f136d2c097897c2b34a6b