Received 11 January 2009
The title compound, C8H18N4O22+·2Cl-, contains two oxime groups. The methyl oxime group has a Z configuration, and the ethyl oxime group is disordered, with both Z and E configurations in occupancies of 0.840 (8) and 0.160 (8), respectively. In the crystal structure, there are a number of N-HCl hydrogen bonds.
For properties of quinolone derivatives, see: Ball et al. (1998); Ray et al. (2005). For the synthesis of new quinolones, see: Anderson & Osheroff (2001); Choi et al. (2004); Wang, Guo et al. (2008). For some crystal structures of quinolones, see: Wang, Liu et al. (2008).
Data collection: SMART (Bruker, 1998); cell refinement: SAINT (Bruker, 1999); data reduction: SAINT and SHELXTL (Sheldrick, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: PK2146 ).
This work was supported by the IMB Research Foundation.
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