Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Yu. M. Chumakov"'
Autor:
Yu. M. Chumakov, V. O. Graur, Ya. I. Ulchina, V. A. Smaglii, A. P. Gulea, O. S. Garbuz, V. I. Tsapkov
Publikováno v:
Journal of Structural Chemistry. 63:905-913
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e54c0b5f5ebf8cf2b171b7e5c7bf64d0
https://doi.org/10.1134/s0022476622060075
https://doi.org/10.1134/s0022476622060075
Autor:
V. I. Tsapkov, Greta Balan, P. A. Petrenko, А. P. Gulea, Valeriu Rudic, I. S. Usataia, Yu. M. Chumakov, V. О. Graur, Olga Burduniuc
Publikováno v:
Russian Journal of General Chemistry. 90:630-639
N-(Prop-2-en-1-yl)hydrazonocarbothioamide reacts with iodoethane in methanol with further addition of 2-hydroxybenzaldehyde to form hydroiodide of carbamohydrazonothioate (HL·HI). The coordination compounds were obtained by interaction of HL or HL·
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3018cd5619154d212fe9e17365fd4662
https://doi.org/10.1134/s107036322004012x
https://doi.org/10.1134/s107036322004012x
Autor:
Valentin Gudumac, Aurelian Gulea, Olga Garbuz, V. I. Tsapkov, Vasilii Graur, P. A. Petrenko, Yu. M. Chumakov
Publikováno v:
Russian Journal of General Chemistry. 90:111-117
Reaction of pentane-2,4-dione with N-(prop-2-en-1-yl)hydrazinecarbothioamide at a 1: 2 molar ratio in ethanol resulted in the formation of a pyrazole derivative. The latter reacted with nickel perchlorate at a 1: 1 molar ratio to form the nickel comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90d6fad2439a489043d4a50d19981812
https://doi.org/10.1134/s107036322001017x
https://doi.org/10.1134/s107036322001017x
Autor:
P. A. Petrenko, Aurelian Gulea, N. L. Mitkevich, Olga Burduniuc, Greta Balan, Yu. M. Chumakov, V. I. Tsapkov
Publikováno v:
Russian Journal of General Chemistry. 89:1415-1423
4-(2-Methoxyphenyl)-, 4-(3-methoxyphenyl)-, and 4-(4-memoxyphenyl)-2-[(5-mttofuryl)methylene]-hydrazine carboxamide (HL1–3) react with hydrates of cobalt (nickel, copper) chloride (nitrate, acetate) with the formation of the M(HL1–3)2X2 (M = Co2+
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b39c71ac7e47479426cdccc568e31464
https://doi.org/10.1134/s1070363219070119
https://doi.org/10.1134/s1070363219070119
Autor:
A. Djabri, Yu. M. Chumakov, M. Mahdi, Mustafa Erkovan, Mümin Mehmet Koç, R. Boukhalfa, F. Chemam
Publikováno v:
Materials Science-Poland, Vol 37, Iss 2, Pp 182-189 (2019)
The full potential linearized augmented plane wave method (FLAPW) including the spin-orbit coupling has been used to study the structural, electronic and magnetic properties of GdCo5 compound. The calculations were performed within the local spin den
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::996c9a9bb4932bac481b75f6ef678847
https://doaj.org/article/0b17f46c9d9148668b7b239327c0fe7b
https://doaj.org/article/0b17f46c9d9148668b7b239327c0fe7b
Autor:
P. A. Petrenko, Olga Burduniuc, Greta Balan, V. I. Tsapkov, Valeriu Rudic, Aurelian Gulea, Yu. M. Chumakov, Vasilii Graur
Publikováno v:
Russian Journal of General Chemistry. 89:953-964
The reaction of N-(prop-2-en-1-yl)hydrazinecarbothioamide with substituted 2-hydroxybenzaldehydes afforded the corresponding Schiff bases which were used as ligands to obtain copper and cobalt coordination compounds Cu(NL1–6)X · n H2O (X = Cl−,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3307bd27165461e342dcccc5ef95f96a
https://doi.org/10.1134/s1070363219050153
https://doi.org/10.1134/s1070363219050153
Publikováno v:
Journal of Structural Chemistry. 59:1469-1472
The crystal structure of the acetic acid solvate of N-(prop-2-en-1-yl)-2-(pyrid-2- ylmethylidene)hydrazinecarboselenoamide (I) is determined. The asymmetric unit of the unit cell in its crystal structure contains a molecule of I and an acetic acid mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3426350308ee42360a5b31ce815174ef
https://doi.org/10.1134/s002247661806032x
https://doi.org/10.1134/s002247661806032x
Publikováno v:
Journal of Structural Chemistry. 57:202-205
The crystal structure of nitrate tris(4-allylthiosemicarbazide)chromium(III) hydrate [CrL3](NO3)3(H2O)1.05 (I), where L is 4-allylthiosemicarbazide, is determined. The asymmetric unit of the cell of the crystal structure of I contains a complex of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc4988eb8c632a65c4adb9d2c400555c
https://doi.org/10.1134/s0022476616010261
https://doi.org/10.1134/s0022476616010261
Autor:
V. I. Tsapkov, A. Yu. Paholnitcaia, Donald Poirier, P. A. Petrenko, Aurelian Gulea, Yu. M. Chumakov
Publikováno v:
Crystallography Reports. 60:75-82
Two crystal modifications of nitrato-{2-[2-(1-pyridine-2-ylethylidene)hydrazine]-1,3-benzothiazolo}aquacopper (I and II) and two modifications of chloro-{2-[2-phenyl(pyridine-2-ylethylidene)hydrazine]-1,3-benzothiazolo}copper (III and IV) have been s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9d82e12fb5b25d6d0f9e28d738d4f34
https://doi.org/10.1134/s1063774515010071
https://doi.org/10.1134/s1063774515010071
We report on the results of the structural, electronic and magnetic properties of ZnO (1 x 1 x 1), (1 x 2 x 2) in the zincblende (ZB) and rocksalt (RS) phases produced by doping Mn in ZnO structures, considering, for the magnetic interaction between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5168d007625898cfdef29824fa3b0faa
https://hdl.handle.net/20.500.11857/2845
https://hdl.handle.net/20.500.11857/2845
