Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Tsonko M. Kolev"'
Autor:
Rüdiger W. Seidel, Tsonko M. Kolev
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 9, Pp 973-975 (2024)
Propane-1,3-diaminium squarate dihydrate, C3H12N22+·C4O42−·2H2O, results from the proton-transfer reaction of propane-1,3-diamine with squaric acid and subsequent crystallization from aqueous medium. The title compound crystallizes in the tetrago
Externí odkaz:
https://doaj.org/article/c898ac29e64a4208b3ec24de1565bf40
Autor:
Rüdiger W. Seidel, Tsonko M. Kolev
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 7, Pp 763-766 (2024)
The crystal structure of 1,2,3,4-tetrahydroisoquinolin-2-ium (2S,3S)-3-carboxy-2,3-dihydroxypropanoate monohydrate, C9H12N+·C4H5O6−·H2O, at 115 K shows orthorhombic symmetry (space group P212121). The hydrogen tartrate anions and solvent water mo
Externí odkaz:
https://doaj.org/article/40665dd7fbbf4be9b859b9b9a11a6b79
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29315- (2024)
Two previously synthesized styrylquinolinium dyes, namely (E)-1-butyl-4-(4-(dimethylamino)styryl)quinolinium iodide (D36) and (E)-1-butyl-4-(4-hydroxystyryl)quinolinium iodide (D34), were compared in terms of their properties by single-crystal X-ray
Externí odkaz:
https://doaj.org/article/bd9a3f065b944fe0804c42cc3c0fe26e
Autor:
Rüdiger W. Seidel, Tsonko M. Kolev
Publikováno v:
IUCrData, Vol 8, Iss 5, p x230459 (2023)
Pyridin-4-ylmethanaminium perchlorate monohydrate (synonym: 4-picolylammonium perchlorate monohydrate), C6H9N2+·ClO4−·H2O, crystallizes in the monoclinic system (space group P21/n) with the asymmetric unit comprising two formula units (Z′ = 2).
Externí odkaz:
https://doaj.org/article/5051feb9343f46a287282c9ea3d726c8
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 60(13)
Infrared (4000-100 cm(-1)) spectra of aminomethyl-dimethyl-phosphine oxide and 15N-aminomethyl-dimethyl-phosphine oxide have been measured. Geometric parameters (bond distances and angles), net electronic charges and vibrational spectroscopic data of