Crystal structure of bis(μ-N-hydroxypicolinamidato)bis[bis(N-hydroxypicolinamide)sodium]

Autor: Inna S. Safyanova, Kateryna A. Ohui, Irina V. Omelchenko

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 1, Pp 24-27 (2017)

The title compound, [Na2(C6H5N2O2)2(C6H6N2O2)4], is a centrosymmetric coordination dimer based on the sodium(I) salt of N-hydroxypicolinamide. The molecule has an {Na2O6(μ-O)2} core with two bridging carbonyl O atoms and two hydroxamate O atoms of t

Externí odkaz: https://doaj.org/article/98b400e1e18b4775b008c079cff221b2

Crystal structure of N-hydroxypicolinamide monohydrate

Autor: Inna S. Safyanova, Kateryna A. Ohui, Irina V. Omelchenko

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 2, Pp 117-119 (2016)

The crystal structure of the title compound, C6H6N2O2·H2O, consists of N-hydroxypicolinamide and water molecules connected through O—H...O and N—H...N hydrogen bonds. The O—H...O interactions and π–π stacking interactions between the pyrid

Externí odkaz: https://doaj.org/article/bd3358603a2d4212858354d0b6ebe7da

2-[(Pyridin-2-yl)amino]pyridinium 2,4,6-trinitrophenolate

Autor: Kateryna A. Ohui, Irina A. Golenya, Nadezhda A. Bokach

Publikováno v: Acta Crystallographica Section E, Vol 70, Iss 7, Pp o778-o778 (2014)

In the cation of the title salt, C10H10N3+·C6H2N3O7−, the pyridine and pyridinium rings are linked by an intramolecular N—H...N hydrogen bond and are approximately coplanar, with a dihedral angle between their planes of 4.24 (6)°. In the crysta

Externí odkaz: https://doaj.org/article/b54182e6ab604de590de330e4166540c

Crystal structure of N-hydroxyquinoline-2-carboxamide monohydrate

Autor: Svitlana V. Shyshkina, Inna S. Safyanova, Kateryna A. Ohui, Iryna Omelchenko

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 5, Pp 795-797 (2017)

The title compound, C10H8N2O2·H2O, consists of an N-hydroxyquinoline-2-carboxamide molecule in the keto tautomeric form and a water molecule connected through an O—H...O hydrogen bond. The N-hydroxyquinoline-2-carboxamide molecule has a nearly pla

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::239e9fdeb0bfa0be9fe3d57013a5816a
http://scripts.iucr.org/cgi-bin/paper?S2056989017005618

Crystal structure of 2-{[(E)-(4-anilinophen­yl)iminium­yl]meth­yl}-5-(di­ethyl­amino)­phenolate

Autor: Kateryna A. Ohui, Irina A. Golenya, Md. Serajul Haque Faizi

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp 1433-1435 (2015)

The title compound, C23H25N3O, crystallized with one single mol­ecule in the asymmetric unit and present in the zwitterionic form. In the crystal, mol­ecules are connected by N—H⋯O hydrogen bonds generating –A–B–A–B– zigzag chains ext

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9795e1e9d30dbcd70dcb5c9934f49377
http://europepmc.org/articles/PMC4719807