Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Rostyslav D, Lampeka"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 11, Pp 1170-1174 (2024)
The structures of the title compounds 2-hydroxy-N′-methylacetohydrazide, 1, and 2-hydroxy-N-methylacetohydrazide, 2, both C3H8N2O2, as regioisomers differ in the position of the methyl group relative to the N atoms in 2-hydroxy-acetohydrazide. In t
Externí odkaz:
https://doaj.org/article/2651f9c4547f417f804c02b2463ef451
Autor:
Oleksandr S. Vynohradov, Oleksandr V. Vashchenko, Dmytro M. Khomenko, Roman O. Doroshchuk, Ilona V. Raspertova, Rostyslav D. Lampeka, Alexandru-Constantin Stoica
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 9, Pp 976-980 (2024)
The title compound, bis[μ-2,2′-(4H-1,2,4-triazole-3,5-diyl)diacetato]bis[diaquacopper(II)] dihydrate, [Cu2(C6H5N3O4)2(H2O)4]·2H2O, is a dinuclear octahedral CuII triazole-based complex. The central copper atoms are hexa-coordinated by two nitroge
Externí odkaz:
https://doaj.org/article/d573ceae3a4f4a158c1d487fd1a987ec
Autor:
Viktoriya V. Dyakonenko, Dmytro M. Khomenko, Roman O. Doroshchuk, Ganna V. Ivanova, Rostyslav D. Lampeka
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 9, Pp 956-960 (2024)
This study presents the synthesis, characterization and Hirshfeld surface analysis of the title mononuclear complex, [PdCl2(C12H14N4)]·C3H7NO. The compound crystalizes in the P21/c space group of the monoclinic system. The asymmetric unit contains o
Externí odkaz:
https://doaj.org/article/bbb99bbbace84b97a23f0e37b6dcd915
Autor:
Oleksandr V. Vashchenko, Dmytro M. Khomenko, Roman O. Doroshchuk, Alexandru-Constantin Stoica, Olga Yu. Vassilyeva, Rostyslav D. Lampeka
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 8, Pp 852-856 (2024)
In the title complex, [U(C10H7N3O3)O2(CH3OH)]n, the UVI cation has a typical pentagonal–bipyramidal environment with the equatorial plane defined by one N and two O atoms of one doubly deprotonated 2-[5-(2-hydroxyphenyl)-1H-1,2,4-triazol-3-yl]aceti
Externí odkaz:
https://doaj.org/article/3a64b6a5cd90473882d59be2a5de5fb4
Autor:
Borys V. Zakharchenko, Dmytro M. Khomenko, Roman O. Doroshchuk, Alexandra Bargan, Olga Yu. Vassilyeva, Rostyslav D. Lampeka
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 6, Pp 567-571 (2024)
The new palladium(II) complex, [Pd(C16H16N4O3)2](CF3COO)2·2CF3COOH, crystallizes in the triclinic space group P\overline{1} with the asymmetric unit containing half the cation (PdII site symmetry Ci), one trifluoroactetate anion and one co-crystalli
Externí odkaz:
https://doaj.org/article/bcf8b18f20404df1a94267a5fa14ebc8
Autor:
Yurii S. Bibik, Dmytro M. Khomenko, Roman O. Doroshchuk, Ilona V. Raspertova, Alexandra Bargan, Rostyslav D. Lampeka
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 2, Pp 148-151 (2024)
The title compound, N1,N2-dimethylethanedihydrazide, C4H10N4O2, was obtained by the methylation of oxalyl dihydrazide protected with phthalimide. The molecule is essentially non-planar with a dihedral angle between the two planar hydrazide fragments
Externí odkaz:
https://doaj.org/article/1bb1c2efe1304a5eaccd56d6459a89b7
Autor:
Yuliia P. Petrenko, Oleksandr S. Vynohradov, Dmytro M. Khomenko, Roman O. Doroshchuk, Ilona V. Raspertova, Sergiu Shova, Rostyslav D. Lampeka
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 1, Pp 54-57 (2024)
The title compound, [Cu(HL)2(H2O)2] or [Cu(C4H4N3O2)2(H2O)2], is a mononuclear octahedral CuII complex based on 5-methyl-1H-1,2,4-triazole-3-carboxylic acid (H2L). [Cu(HL)2(H2O)2] was synthesized by reaction of H2L with copper(II) nitrate hexahydrate
Externí odkaz:
https://doaj.org/article/f153ad7ff07f461db2f1223b63385e8c
Autor:
Yuliia P. Petrenko, Dmytro M. Khomenko, Roman O. Doroshchuk, Ilona V. Raspertova, Sergiu Shova, Rostyslav D. Lampeka
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 5, Pp 432-435 (2023)
The title compound, bis[μ-3-ethyl-5-(pyridin-2-yl)-1H-1,2,4-triazol-1-ido]bis[acetato(dimethylformamide)copper(II)], [Cu2(C9H9N4)2(C2H3O2)2(C3H7NO)2] or [Cu2(LEt)2(OAc)2(dmf)2], is a triazolate complex, which contains two 3-(2-pyridyl)-5-ethyl-triaz
Externí odkaz:
https://doaj.org/article/1294ebff8b0d4e68bf1a83711eb829c8
Autor:
Yuliia P. Petrenko, Yurii S. Bibik, Dmytro M. Khomenko, Roman O. Doroshchuk, Il`ya A. Gural'skiy, Sergiu Shova, Rostyslav D. Lampeka, Ilona V. Raspertova
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 8, Pp 829-832 (2022)
In the title compound [Fe2(C2O4)(C8H8N4)4](CH3C6H4SO3)2·2.75H2O, the two FeII ions have a highly distorted octahedral FeN4O2 environment formed by two bidentate triazole-based chelating ligands and a bis-bidentate oxalate bridging anion that connect
Externí odkaz:
https://doaj.org/article/ac4100e0ac644e6c8d447d31dfe18262
Autor:
Yurii S. Bibik, Sergiu Shova, Aurelian Rotaru, Sergii I. Shylin, Igor O. Fritsky, Rostyslav D. Lampeka, Il’ya A. Gural’skiy
Publikováno v:
Inorganic Chemistry. 61:14761-14769
Hysteretic spin crossover in coordination complexes of 3d-metal ions represents one of the most spectacular phenomena of molecular bistability. In this paper we describe a self-assembly of pyrazine (pz) and Fe(BH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1436e15f414cbfe70fa659a6a187f3f5
https://doi.org/10.1021/acs.inorgchem.2c02177
https://doi.org/10.1021/acs.inorgchem.2c02177