Crystal structure and spectroscopic properties of ciprofloxacinium pentachloroantimonate(III) monohydrate (C17H19N3O3F)SbCl5 · H2O

• Published in: Russian journal of coordination chemistry Vol. 34; no. 9; pp. 647 - 652
• Main Authors: Gerasimenko, A. V., Polishchuk, A. V., Karaseva, E. T., Karasev, V. E.
• Format: Journal Article
• Language: English
• Published: Dordrecht SP MAIK Nauka/Interperiodica 01-09-2008
• Subjects: Chemistry; Chemistry and Materials Science; Inorganic Chemistry; Physical Chemistry; Cyclopropyl; Terminal Nitrogen Atom; Quinoline Ring; Carbonyl Oxygen Atom; Piperazinyl
• ISSN: 1070-3284; 1608-3318
• DOI: 10.1134/S1070328408090030

Synthesis, X-ray diffraction, IR and luminescence spectroscopic studies of the monohydrate of pentachloroantimonate(III) of doubly protonated ciprofloxacin (C
17
H
19
N
3
O
3
F)SbCl
5
· H
2
O (
I
) were performed. The structure of
I
is formed by SbCl
6
octahedra combined into polymeric chains [SbCl
5
]
n
2
n
−
through common vertices, ciprofloxacinium cations (CfH
3
)
2+
, and water molecules linked by hydrogen bonds. CfH is protonated at the carbonyl oxygen atom and the terminal nitrogen atom of the piperazinyl group. The electronic and geometric aspects determining the luminescence properties of
I
and of related compounds are discussed.