Zobrazeno 1 - 10
of 234
pro vyhledávání: '"Dana-Ortansa Dorohoi"'
Publikováno v:
Liquids, Vol 4, Iss 1, Pp 171-190 (2024)
This article contains a comparative spectral analysis corroborated with the quantum mechanical computations of four cycloimmonium ylids. The spectral shift of the visible electronic absorption band of the studied molecules in 20 solvents with differe
Externí odkaz:
https://doaj.org/article/ba934f8c73204b35b02e3143c0cb83b6
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
Publikováno v:
Molecules, Vol 29, Iss 14, p 3358 (2024)
The electronic absorption spectral characteristics of cycloimmonium ylids with a zwitterionic structure have been analyzed in forty-three solvents with different hydrogen bonding abilities. The two ylids lack fluorescence emission but are very dynami
Externí odkaz:
https://doaj.org/article/0bc1de0137794327b1348e09ed6d2234
Autor:
Corina Cheptea, Alexandru Zara, Ecaterina Ambrosi, Ana Cezarina Morosanu, Maria Diaconu, Mihaela Miron, Dana Ortansa Dorohoi, Dan Gheorghe Dimitriu
Publikováno v:
Symmetry, Vol 16, Iss 6, p 673 (2024)
Fluorescein sodium is a very important compound for a wide spectrum of applications, from which medical applications prevail. Despite this, there are very few studies in the literature related to the structure and fundamental properties of fluorescei
Externí odkaz:
https://doaj.org/article/5b34c4d90b0a40c69469d8310a18fd6b
Autor:
Dana Ortansa Dorohoi, Steluta Gosav, Ana Cezarina Moroșanu, Dan Gheorghe Dimitriu, Gabriela Apreotesei, Teodora Gosav
Publikováno v:
Symmetry, Vol 15, Iss 11, p 2075 (2023)
The nature and strength of the molecular interactions were established by solvatochromic studies of 22 binary and 42 ternary diluted solutions of pyridinium–carbethoxy–anilidomethylid (PCAnM). The visible absorption band of PCAnM, due to an intra
Externí odkaz:
https://doaj.org/article/7a7b8bfd7f6c4e94aff851c7ce814941
Autor:
Dana Ortansa Dorohoi, Mihai Postolache, Cristina Delia Nechifor, Dan Gheorghe Dimitriu, Raluca Marinica Albu, Iuliana Stoica, Andreea Irina Barzic
Publikováno v:
Molecules, Vol 28, Iss 7, p 2955 (2023)
Optical polymers are recognized for their high transparency, raised flexibility, low cost, and good film-forming ability; hence, they introduce a multitude of benefits in a wide range of devices, such as information storage, displays, optical communi
Externí odkaz:
https://doaj.org/article/67ee0c389145488c9166b4008cce956b
Publikováno v:
Symmetry, Vol 15, Iss 2, p 563 (2023)
The 1-dithiocarboxy-2-ethoxy-1-(isoquinolin-2-yl)-2-oxoethan-1-ylid (iQTCY) zwitterionic molecule has been studied by computational and spectral means in order to establish some of its structural parameters in the ground electronic state as well as t
Externí odkaz:
https://doaj.org/article/29beed70a8014457a60ba4069a5e2f8e
Autor:
Nicoleta Melniciuc Puica, Dan-Gheorghe Dimitriu, Gabriela Apreotesei, Ana Cezarina Moroșanu, Dana-Ortansa Dorohoi
Publikováno v:
Symmetry, Vol 14, Iss 10, p 2099 (2022)
Four carbanion monosubstituted 4’-aryl-1,2,4-triazol-1-ium-4-R2-phenacylids, used as precursors in obtaining new heterocyclic compounds, and their corresponding derivatives belonging to the C2v point group of symmetry were studied by computational
Externí odkaz:
https://doaj.org/article/93c72c92aa3e4e1b8eacc9aba3f1c77d
Publikováno v:
Molecular Crystals and Liquid Crystals. :1-12
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8dd2834aa09837b4db4014971aa3357
https://doi.org/10.1080/15421406.2022.2066789
https://doi.org/10.1080/15421406.2022.2066789
Autor:
Dana Ortansa Dorohoi, Dan Gheorghe Dimitriu, Ana Cezarina Morosanu, Nicoleta Puica Melniciuc, Ion Hurjui, Mihaela Miron, Gabriel Grigore Mariciuc, Valentina Closca, Corina Cheptea
Publikováno v:
Symmetry, Vol 13, Iss 9, p 1656 (2021)
Four carbanion monosubstituted p-aryl-1,2,4-triazol-1-ium methylids are subjected to a comparative study between their spectral and quantum-mechanical parameters in order to obtain more information about their structural features in hydroxyl solvents
Externí odkaz:
https://doaj.org/article/faea21de8d544c66a79518b14ff817b7