metal-organic compounds
Bis[1-cyclopropyl-6-fluoro-4-oxo-7-(1-piperazin-4-ium-1-yl)-1,4-dihydroquinoline-3-carboxylate-κ2O3,O4]bis(nitrato-κO)copper(II)
aCollege of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
*Correspondence e-mail: yangjuanai2008@126.com
In the title complex, [Cu(NO3)2(C17H18FN3O3)2], the CuII ion is located on an inversion center. It exhibits a distorted octahedral geometry, being coordinated by six O atoms, four from two ciprofloxacin ligand molecules (L), which act as bidentate ligands, and two from two nitrate anions. In the ligand, the piperazine ring has a chair conformation and the quinoline system is essentially planar [maximum deviation = 0.097 (2) Å]. One of the nitrate O atoms is disordered over two positions [occupancy ratio = 0.51 (6):0.49 (6)]. There is a C—H⋯F interaction in the complex. In the crystal, molecules are linked via N—H⋯O hydrogen bonds generating a two-dimensional network lying parallel to (111). The presence of C—H⋯O interactions leads to the formation of a three-dimensional structure. The title complex was prepared by hydrothermal synthesis, and the hexahydrate form of this complex, synthesized by conventional methods, has been reported previously [Hernandez-Gil et al. (2009). Polyhedron, 28, 138–144].
Related literature
For general background on the use of quinolones in the treatment of infections, see: Barbas et al. (2006); Basavoju et al. (2006); Xiao et al. (2005). For the synthesis and of the hexahydrate form of this complex, see: Hernandez-Gil et al. (2009).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2001); cell SAINT (Bruker, 2001); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL-Plus (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536812007830/su2380sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536812007830/su2380Isup2.hkl
A mixture of Cu(NO3)2.3H2O (0.121 g, 0.5 mmol), cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-pip -erazinyl)-3-quinolinecarboxylic acid (HL; 0.192 g, 0.5 mmol) in distilled water (7 ml), was stirred for 20 min in air. The mixture was then transferred to a 23 ml Teflon-lined hydrothermal bomb. The bomb was kept at 383 K for 72 h under autogenous pressure. Upon cooling, blue block-like crystals of the title compound were obtained from the reaction mixture.
The NH H atoms were located in a difference Fourier map. In the final cycles of
all the H atoms were included in calculated positions and refined as riding atoms: N—H = 0.90 Å, C—H = 0.97 Å, with Uiso(H) = 1.2 Ueq(N,C). One of the nitrate O atoms (O4) is disordered over two positions [occupancy ratio 0.51 (6):0.49 (6)].Data collection: SMART (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL-Plus (Sheldrick, 2008); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. The molecular structure of the title compound, with the atom numbering and displacement ellipsoids drawn at the 30% probability level. H atoms have been omitted for clarity [Symmetry code: (i) -x, -y, -z]. |
[Cu(NO3)2(C17H18FN3O3)2] | Z = 1 |
Mr = 850.25 | F(000) = 439 |
Triclinic, P1 | Dx = 1.640 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 8.8921 (18) Å | Cell parameters from 4702 reflections |
b = 9.863 (2) Å | θ = 1.9–25.0° |
c = 11.186 (2) Å | µ = 0.73 mm−1 |
α = 77.62 (3)° | T = 293 K |
β = 81.95 (3)° | Block, blue |
γ = 64.15 (3)° | 0.50 × 0.48 × 0.35 mm |
V = 861.1 (3) Å3 |
Bruker APEX CCD area-detector diffractometer | 2935 independent reflections |
Radiation source: fine-focus sealed tube | 2766 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.026 |
phi and ω scans | θmax = 25.0°, θmin = 1.9° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −10→10 |
Tmin = 0.713, Tmax = 0.785 | k = −11→11 |
4702 measured reflections | l = −13→13 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.039 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.136 | H-atom parameters constrained |
S = 1.00 | w = 1/[σ2(Fo2) + (0.124P)2] where P = (Fo2 + 2Fc2)/3 |
2935 reflections | (Δ/σ)max = 0.010 |
269 parameters | Δρmax = 0.43 e Å−3 |
0 restraints | Δρmin = −0.34 e Å−3 |
[Cu(NO3)2(C17H18FN3O3)2] | γ = 64.15 (3)° |
Mr = 850.25 | V = 861.1 (3) Å3 |
Triclinic, P1 | Z = 1 |
a = 8.8921 (18) Å | Mo Kα radiation |
b = 9.863 (2) Å | µ = 0.73 mm−1 |
c = 11.186 (2) Å | T = 293 K |
α = 77.62 (3)° | 0.50 × 0.48 × 0.35 mm |
β = 81.95 (3)° |
Bruker APEX CCD area-detector diffractometer | 2935 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 2766 reflections with I > 2σ(I) |
Tmin = 0.713, Tmax = 0.785 | Rint = 0.026 |
4702 measured reflections |
R[F2 > 2σ(F2)] = 0.039 | 0 restraints |
wR(F2) = 0.136 | H-atom parameters constrained |
S = 1.00 | Δρmax = 0.43 e Å−3 |
2935 reflections | Δρmin = −0.34 e Å−3 |
269 parameters |
Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
Cu1 | 0.00000 | 0.00000 | 0.00000 | 0.0353 (2) | |
F1 | −0.35238 (18) | 0.05781 (15) | 0.56641 (12) | 0.0421 (4) | |
O1 | 0.0564 (2) | −0.19893 (19) | −0.03746 (15) | 0.0468 (5) | |
O2 | 0.13735 (19) | −0.44723 (18) | 0.00732 (14) | 0.0393 (5) | |
O3 | −0.12571 (19) | −0.03396 (17) | 0.14953 (13) | 0.0363 (5) | |
O4 | 0.471 (2) | −0.314 (4) | 0.2079 (17) | 0.121 (5) | 0.51 (6) |
O5 | 0.2223 (3) | −0.2423 (4) | 0.2922 (2) | 0.1016 (12) | |
O6 | 0.2794 (3) | −0.1278 (3) | 0.1173 (2) | 0.0720 (8) | |
N1 | −0.14125 (19) | −0.43566 (19) | 0.32933 (15) | 0.0255 (5) | |
N2 | −0.3720 (2) | −0.2050 (2) | 0.69774 (16) | 0.0292 (5) | |
N3 | −0.4207 (3) | −0.2834 (2) | 0.95656 (17) | 0.0443 (6) | |
N4 | 0.3188 (3) | −0.2350 (3) | 0.20525 (19) | 0.0497 (8) | |
C1 | 0.0559 (2) | −0.3170 (2) | 0.03294 (18) | 0.0302 (6) | |
C2 | −0.0471 (2) | −0.3005 (2) | 0.15213 (18) | 0.0267 (6) | |
C3 | −0.1197 (2) | −0.1630 (2) | 0.20359 (18) | 0.0276 (6) | |
C4 | −0.1884 (2) | −0.1755 (2) | 0.32806 (17) | 0.0264 (6) | |
C5 | −0.2417 (3) | −0.0520 (2) | 0.39143 (19) | 0.0315 (6) | |
C6 | −0.2984 (3) | −0.0651 (2) | 0.51032 (19) | 0.0304 (6) | |
C7 | −0.3090 (2) | −0.2001 (2) | 0.57654 (18) | 0.0271 (6) | |
C8 | −0.2596 (2) | −0.3220 (2) | 0.51328 (17) | 0.0267 (5) | |
C9 | −0.1994 (2) | −0.3108 (2) | 0.39076 (17) | 0.0237 (5) | |
C10 | −0.0668 (2) | −0.4268 (2) | 0.21705 (17) | 0.0271 (6) | |
C11 | −0.1454 (2) | −0.5794 (2) | 0.39316 (18) | 0.0283 (6) | |
C12 | −0.1739 (3) | −0.6783 (3) | 0.3222 (2) | 0.0432 (8) | |
C13 | −0.3071 (3) | −0.5953 (3) | 0.4123 (2) | 0.0376 (7) | |
C14 | −0.4089 (3) | −0.3377 (3) | 0.75118 (19) | 0.0328 (7) | |
C15 | −0.5121 (3) | −0.3117 (3) | 0.8697 (2) | 0.0410 (7) | |
C16 | −0.3878 (3) | −0.1462 (3) | 0.9029 (2) | 0.0420 (7) | |
C17 | −0.2872 (3) | −0.1690 (3) | 0.78328 (19) | 0.0347 (6) | |
O4A | 0.449 (3) | −0.3490 (11) | 0.1929 (13) | 0.089 (5) | 0.49 (6) |
H3B | −0.48200 | −0.26860 | 1.02760 | 0.0530* | |
H5A | −0.23800 | 0.03950 | 0.35130 | 0.0380* | |
H3A | −0.32310 | −0.36560 | 0.97240 | 0.0530* | |
H10A | −0.02510 | −0.51320 | 0.18030 | 0.0330* | |
H11A | −0.06810 | −0.63430 | 0.45940 | 0.0340* | |
H12A | −0.11320 | −0.78830 | 0.34430 | 0.0520* | |
H12B | −0.19280 | −0.64120 | 0.23560 | 0.0520* | |
H13A | −0.40620 | −0.50830 | 0.37990 | 0.0450* | |
H13B | −0.32660 | −0.65540 | 0.48860 | 0.0450* | |
H14A | −0.30510 | −0.42850 | 0.76610 | 0.0390* | |
H14B | −0.46950 | −0.35400 | 0.69400 | 0.0390* | |
H15A | −0.61880 | −0.22440 | 0.85430 | 0.0490* | |
H15B | −0.53360 | −0.40080 | 0.90530 | 0.0490* | |
H16A | −0.32700 | −0.12930 | 0.95960 | 0.0500* | |
H16B | −0.49310 | −0.05670 | 0.88960 | 0.0500* | |
H17A | −0.27240 | −0.07680 | 0.74670 | 0.0420* | |
H17B | −0.17730 | −0.25190 | 0.79800 | 0.0420* | |
H8A | −0.26680 | −0.41200 | 0.55330 | 0.0320* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cu1 | 0.0494 (3) | 0.0258 (3) | 0.0272 (3) | −0.0183 (2) | 0.0170 (2) | −0.0044 (2) |
F1 | 0.0648 (8) | 0.0285 (7) | 0.0343 (7) | −0.0209 (6) | 0.0109 (6) | −0.0136 (5) |
O1 | 0.0742 (11) | 0.0322 (9) | 0.0315 (8) | −0.0263 (9) | 0.0212 (8) | −0.0074 (7) |
O2 | 0.0513 (9) | 0.0299 (8) | 0.0326 (8) | −0.0148 (7) | 0.0116 (7) | −0.0113 (6) |
O3 | 0.0487 (8) | 0.0213 (8) | 0.0304 (8) | −0.0131 (7) | 0.0152 (6) | −0.0018 (6) |
O4 | 0.064 (5) | 0.163 (13) | 0.055 (4) | 0.015 (7) | 0.000 (3) | 0.005 (8) |
O5 | 0.0879 (17) | 0.178 (3) | 0.0495 (13) | −0.0775 (19) | 0.0127 (12) | −0.0038 (16) |
O6 | 0.0717 (13) | 0.0698 (15) | 0.0623 (13) | −0.0261 (12) | 0.0013 (11) | 0.0021 (11) |
N1 | 0.0326 (8) | 0.0233 (9) | 0.0226 (8) | −0.0148 (7) | 0.0013 (6) | −0.0028 (6) |
N2 | 0.0388 (9) | 0.0288 (9) | 0.0221 (8) | −0.0178 (8) | 0.0051 (7) | −0.0053 (7) |
N3 | 0.0597 (12) | 0.0404 (11) | 0.0237 (9) | −0.0153 (10) | 0.0072 (8) | −0.0059 (8) |
N4 | 0.0666 (14) | 0.0604 (16) | 0.0317 (11) | −0.0352 (13) | −0.0028 (10) | −0.0082 (10) |
C1 | 0.0362 (10) | 0.0317 (11) | 0.0246 (10) | −0.0165 (9) | 0.0020 (8) | −0.0059 (8) |
C2 | 0.0314 (9) | 0.0259 (10) | 0.0228 (10) | −0.0133 (8) | 0.0009 (7) | −0.0029 (7) |
C3 | 0.0300 (9) | 0.0243 (10) | 0.0260 (10) | −0.0110 (8) | 0.0014 (8) | −0.0018 (8) |
C4 | 0.0304 (9) | 0.0223 (10) | 0.0250 (10) | −0.0116 (8) | 0.0017 (8) | −0.0019 (8) |
C5 | 0.0417 (10) | 0.0237 (10) | 0.0302 (10) | −0.0177 (9) | 0.0027 (8) | −0.0008 (8) |
C6 | 0.0389 (10) | 0.0258 (11) | 0.0279 (10) | −0.0148 (9) | 0.0029 (8) | −0.0077 (8) |
C7 | 0.0286 (9) | 0.0301 (11) | 0.0237 (10) | −0.0137 (9) | 0.0020 (7) | −0.0059 (8) |
C8 | 0.0327 (9) | 0.0270 (10) | 0.0220 (9) | −0.0160 (9) | −0.0004 (7) | −0.0004 (7) |
C9 | 0.0268 (9) | 0.0224 (10) | 0.0228 (9) | −0.0119 (8) | −0.0009 (7) | −0.0028 (7) |
C10 | 0.0311 (9) | 0.0258 (10) | 0.0247 (10) | −0.0123 (8) | 0.0022 (8) | −0.0064 (8) |
C11 | 0.0353 (10) | 0.0239 (11) | 0.0279 (10) | −0.0156 (9) | 0.0010 (8) | −0.0038 (8) |
C12 | 0.0637 (14) | 0.0417 (13) | 0.0394 (12) | −0.0367 (12) | 0.0117 (11) | −0.0148 (10) |
C13 | 0.0439 (12) | 0.0423 (13) | 0.0343 (11) | −0.0290 (11) | 0.0060 (9) | −0.0033 (9) |
C14 | 0.0410 (11) | 0.0338 (12) | 0.0267 (11) | −0.0208 (10) | 0.0035 (8) | −0.0036 (9) |
C15 | 0.0488 (12) | 0.0411 (13) | 0.0314 (11) | −0.0231 (11) | 0.0090 (10) | −0.0006 (9) |
C16 | 0.0591 (13) | 0.0348 (12) | 0.0294 (11) | −0.0160 (11) | 0.0017 (10) | −0.0107 (9) |
C17 | 0.0457 (11) | 0.0331 (11) | 0.0279 (10) | −0.0177 (10) | 0.0016 (9) | −0.0101 (8) |
O4A | 0.132 (11) | 0.040 (7) | 0.050 (5) | −0.006 (4) | 0.011 (5) | 0.004 (3) |
Cu1—O1 | 1.9267 (18) | C4—C5 | 1.408 (3) |
Cu1—O3 | 1.9293 (16) | C4—C9 | 1.406 (3) |
Cu1—O6 | 2.637 (3) | C5—C6 | 1.355 (3) |
Cu1—O1i | 1.9267 (18) | C6—C7 | 1.413 (3) |
Cu1—O3i | 1.9293 (16) | C7—C8 | 1.399 (3) |
Cu1—O6i | 2.637 (3) | C8—C9 | 1.399 (3) |
F1—C6 | 1.352 (2) | C11—C13 | 1.495 (4) |
O1—C1 | 1.260 (3) | C11—C12 | 1.500 (3) |
O2—C1 | 1.243 (2) | C12—C13 | 1.504 (4) |
O3—C3 | 1.268 (2) | C14—C15 | 1.505 (3) |
O4—N4 | 1.23 (3) | C16—C17 | 1.503 (3) |
O4A—N4 | 1.229 (17) | C5—H5A | 0.9300 |
O5—N4 | 1.216 (4) | C8—H8A | 0.9300 |
O6—N4 | 1.239 (3) | C10—H10A | 0.9300 |
N1—C9 | 1.402 (3) | C11—H11A | 0.9800 |
N1—C11 | 1.458 (3) | C12—H12A | 0.9700 |
N1—C10 | 1.339 (3) | C12—H12B | 0.9700 |
N2—C7 | 1.392 (3) | C13—H13A | 0.9700 |
N2—C14 | 1.470 (3) | C13—H13B | 0.9700 |
N2—C17 | 1.480 (3) | C14—H14A | 0.9700 |
N3—C15 | 1.489 (4) | C14—H14B | 0.9700 |
N3—C16 | 1.492 (3) | C15—H15A | 0.9700 |
N3—H3A | 0.9000 | C15—H15B | 0.9700 |
N3—H3B | 0.9000 | C16—H16A | 0.9700 |
C1—C2 | 1.505 (3) | C16—H16B | 0.9700 |
C2—C10 | 1.370 (3) | C17—H17A | 0.9700 |
C2—C3 | 1.433 (3) | C17—H17B | 0.9700 |
C3—C4 | 1.443 (3) | ||
O1—Cu1—O3 | 93.27 (8) | C7—C8—C9 | 121.13 (17) |
O1—Cu1—O6 | 86.89 (9) | N1—C9—C4 | 118.31 (17) |
O1—Cu1—O1i | 180.00 | C4—C9—C8 | 120.46 (17) |
O1—Cu1—O3i | 86.74 (8) | N1—C9—C8 | 121.16 (17) |
O1—Cu1—O6i | 93.11 (9) | N1—C10—C2 | 125.14 (18) |
O3—Cu1—O6 | 90.88 (8) | N1—C11—C13 | 119.88 (18) |
O1i—Cu1—O3 | 86.74 (8) | N1—C11—C12 | 119.26 (17) |
O3—Cu1—O3i | 180.00 | C12—C11—C13 | 60.31 (16) |
O3—Cu1—O6i | 89.12 (8) | C11—C12—C13 | 59.67 (17) |
O1i—Cu1—O6 | 93.11 (9) | C11—C13—C12 | 60.02 (17) |
O3i—Cu1—O6 | 89.12 (8) | N2—C14—C15 | 110.3 (2) |
O6—Cu1—O6i | 180.00 | N3—C15—C14 | 109.6 (2) |
O1i—Cu1—O3i | 93.27 (8) | N3—C16—C17 | 110.1 (2) |
O1i—Cu1—O6i | 86.89 (9) | N2—C17—C16 | 110.8 (2) |
O3i—Cu1—O6i | 90.88 (8) | C4—C5—H5A | 120.00 |
Cu1—O1—C1 | 129.10 (15) | C6—C5—H5A | 120.00 |
Cu1—O3—C3 | 125.15 (14) | C7—C8—H8A | 119.00 |
Cu1—O6—N4 | 127.7 (2) | C9—C8—H8A | 119.00 |
C9—N1—C10 | 119.56 (17) | N1—C10—H10A | 117.00 |
C9—N1—C11 | 119.69 (16) | C2—C10—H10A | 117.00 |
C10—N1—C11 | 120.40 (16) | N1—C11—H11A | 115.00 |
C7—N2—C14 | 115.73 (17) | C12—C11—H11A | 115.00 |
C7—N2—C17 | 116.41 (19) | C13—C11—H11A | 115.00 |
C14—N2—C17 | 112.28 (18) | C11—C12—H12A | 118.00 |
C15—N3—C16 | 110.14 (18) | C11—C12—H12B | 118.00 |
O4—N4—O5 | 122.7 (10) | C13—C12—H12A | 118.00 |
O4—N4—O6 | 113.2 (11) | C13—C12—H12B | 118.00 |
O5—N4—O6 | 122.6 (3) | H12A—C12—H12B | 115.00 |
O4A—N4—O5 | 118.8 (8) | C11—C13—H13A | 118.00 |
O4A—N4—O6 | 117.4 (7) | C11—C13—H13B | 118.00 |
C15—N3—H3B | 110.00 | C12—C13—H13A | 118.00 |
C16—N3—H3A | 110.00 | C12—C13—H13B | 118.00 |
C15—N3—H3A | 110.00 | H13A—C13—H13B | 115.00 |
H3A—N3—H3B | 108.00 | N2—C14—H14A | 110.00 |
C16—N3—H3B | 110.00 | N2—C14—H14B | 110.00 |
O1—C1—C2 | 119.11 (17) | C15—C14—H14A | 110.00 |
O1—C1—O2 | 122.29 (19) | C15—C14—H14B | 110.00 |
O2—C1—C2 | 118.60 (17) | H14A—C14—H14B | 108.00 |
C3—C2—C10 | 118.39 (18) | N3—C15—H15A | 110.00 |
C1—C2—C3 | 123.98 (17) | N3—C15—H15B | 110.00 |
C1—C2—C10 | 117.58 (17) | C14—C15—H15A | 110.00 |
C2—C3—C4 | 116.32 (17) | C14—C15—H15B | 110.00 |
O3—C3—C2 | 125.45 (18) | H15A—C15—H15B | 108.00 |
O3—C3—C4 | 118.23 (17) | N3—C16—H16A | 110.00 |
C3—C4—C9 | 121.71 (17) | N3—C16—H16B | 110.00 |
C3—C4—C5 | 120.11 (18) | C17—C16—H16A | 110.00 |
C5—C4—C9 | 118.15 (18) | C17—C16—H16B | 110.00 |
C4—C5—C6 | 120.65 (19) | H16A—C16—H16B | 108.00 |
F1—C6—C5 | 118.54 (18) | N2—C17—H17A | 110.00 |
C5—C6—C7 | 122.64 (18) | N2—C17—H17B | 110.00 |
F1—C6—C7 | 118.78 (18) | C16—C17—H17A | 109.00 |
N2—C7—C8 | 123.21 (18) | C16—C17—H17B | 110.00 |
N2—C7—C6 | 119.81 (17) | H17A—C17—H17B | 108.00 |
C6—C7—C8 | 116.94 (18) | ||
O3—Cu1—O1—C1 | −20.0 (2) | C16—N3—C15—C14 | 59.7 (3) |
O6—Cu1—O1—C1 | 70.7 (2) | C15—N3—C16—C17 | −58.6 (3) |
O3i—Cu1—O1—C1 | 160.0 (2) | O1—C1—C2—C3 | −12.9 (3) |
O6i—Cu1—O1—C1 | −109.3 (2) | O1—C1—C2—C10 | 169.7 (2) |
O1—Cu1—O3—C3 | 15.06 (19) | O2—C1—C2—C3 | 167.3 (2) |
O6—Cu1—O3—C3 | −71.87 (18) | O2—C1—C2—C10 | −10.1 (3) |
O1i—Cu1—O3—C3 | −164.94 (19) | C1—C2—C3—O3 | 9.7 (3) |
O6i—Cu1—O3—C3 | 108.13 (18) | C1—C2—C3—C4 | −169.18 (18) |
O1—Cu1—O6—N4 | −59.5 (2) | C10—C2—C3—O3 | −172.9 (2) |
O3—Cu1—O6—N4 | 33.7 (2) | C10—C2—C3—C4 | 8.3 (3) |
O1i—Cu1—O6—N4 | 120.5 (2) | C1—C2—C10—N1 | 173.62 (19) |
O3i—Cu1—O6—N4 | −146.3 (2) | C3—C2—C10—N1 | −4.0 (3) |
Cu1—O1—C1—O2 | −159.28 (17) | O3—C3—C4—C5 | −7.5 (3) |
Cu1—O1—C1—C2 | 20.9 (3) | O3—C3—C4—C9 | 174.55 (19) |
Cu1—O3—C3—C2 | −13.6 (3) | C2—C3—C4—C5 | 171.5 (2) |
Cu1—O3—C3—C4 | 165.31 (14) | C2—C3—C4—C9 | −6.5 (3) |
Cu1—O6—N4—O4 | 149.8 (15) | C3—C4—C5—C6 | −176.6 (2) |
Cu1—O6—N4—O5 | −44.3 (4) | C9—C4—C5—C6 | 1.4 (4) |
C10—N1—C9—C4 | 4.7 (3) | C3—C4—C9—N1 | 0.1 (3) |
C10—N1—C9—C8 | −172.32 (19) | C3—C4—C9—C8 | 177.10 (19) |
C11—N1—C9—C4 | 177.84 (18) | C5—C4—C9—N1 | −177.9 (2) |
C11—N1—C9—C8 | 0.9 (3) | C5—C4—C9—C8 | −0.9 (3) |
C9—N1—C10—C2 | −2.8 (3) | C4—C5—C6—F1 | −178.3 (2) |
C11—N1—C10—C2 | −175.92 (19) | C4—C5—C6—C7 | −0.6 (4) |
C9—N1—C11—C12 | 147.5 (2) | F1—C6—C7—N2 | −0.9 (3) |
C9—N1—C11—C13 | 76.9 (2) | F1—C6—C7—C8 | 176.9 (2) |
C10—N1—C11—C12 | −39.4 (3) | C5—C6—C7—N2 | −178.5 (2) |
C10—N1—C11—C13 | −110.0 (2) | C5—C6—C7—C8 | −0.7 (4) |
C14—N2—C7—C6 | 168.5 (2) | N2—C7—C8—C9 | 178.99 (19) |
C14—N2—C7—C8 | −9.2 (3) | C6—C7—C8—C9 | 1.3 (3) |
C17—N2—C7—C6 | −56.3 (3) | C7—C8—C9—N1 | 176.45 (19) |
C17—N2—C7—C8 | 126.0 (2) | C7—C8—C9—C4 | −0.5 (3) |
C7—N2—C14—C15 | −166.8 (2) | N1—C11—C12—C13 | −109.8 (2) |
C17—N2—C14—C15 | 56.3 (3) | N1—C11—C13—C12 | 108.7 (2) |
C7—N2—C17—C16 | 168.18 (19) | N2—C14—C15—N3 | −58.1 (3) |
C14—N2—C17—C16 | −55.2 (3) | N3—C16—C17—N2 | 55.6 (3) |
Symmetry code: (i) −x, −y, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
N3—H3A···O2ii | 0.90 | 1.86 | 2.749 (3) | 170 |
N3—H3B···O4iii | 0.90 | 2.00 | 2.838 (19) | 155 |
N3—H3B···O6iii | 0.90 | 2.21 | 2.995 (3) | 146 |
C13—H13A···O4iv | 0.97 | 2.40 | 3.25 (3) | 147 |
C13—H13B···O5ii | 0.97 | 2.58 | 3.382 (3) | 140 |
C15—H15A···O3v | 0.97 | 2.57 | 3.514 (3) | 165 |
C17—H17A···F1 | 0.97 | 2.18 | 2.857 (3) | 125 |
Symmetry codes: (ii) −x, −y−1, −z+1; (iii) x−1, y, z+1; (iv) x−1, y, z; (v) −x−1, −y, −z+1. |
Experimental details
Crystal data | |
Chemical formula | [Cu(NO3)2(C17H18FN3O3)2] |
Mr | 850.25 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 293 |
a, b, c (Å) | 8.8921 (18), 9.863 (2), 11.186 (2) |
α, β, γ (°) | 77.62 (3), 81.95 (3), 64.15 (3) |
V (Å3) | 861.1 (3) |
Z | 1 |
Radiation type | Mo Kα |
µ (mm−1) | 0.73 |
Crystal size (mm) | 0.50 × 0.48 × 0.35 |
Data collection | |
Diffractometer | Bruker APEX CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.713, 0.785 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4702, 2935, 2766 |
Rint | 0.026 |
(sin θ/λ)max (Å−1) | 0.594 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.039, 0.136, 1.00 |
No. of reflections | 2935 |
No. of parameters | 269 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.43, −0.34 |
Computer programs: SMART (Bruker, 2001), SAINT (Bruker, 2001), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL-Plus (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N3—H3A···O2i | 0.90 | 1.86 | 2.749 (3) | 170 |
N3—H3B···O4ii | 0.90 | 2.00 | 2.838 (19) | 155 |
N3—H3B···O6ii | 0.90 | 2.21 | 2.995 (3) | 146 |
C13—H13A···O4iii | 0.97 | 2.40 | 3.25 (3) | 147 |
C13—H13B···O5i | 0.97 | 2.58 | 3.382 (3) | 140 |
C15—H15A···O3iv | 0.97 | 2.57 | 3.514 (3) | 165 |
C17—H17A···F1 | 0.97 | 2.18 | 2.857 (3) | 125 |
Symmetry codes: (i) −x, −y−1, −z+1; (ii) x−1, y, z+1; (iii) x−1, y, z; (iv) −x−1, −y, −z+1. |
Acknowledgements
This work was financially supported by the Science and Technology Foundation of Southwest University (grant No. SWUB2007035) and the Science and Technology Innovation Foundation for Students of Southwest University.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Ciprofloxacin is member of a class of quinolones used to treat infections (Barbas et al., 2006; Basavoju et al., 2006; Xiao et al. 2005). The title copper(II) complex was prepared by mixing Ciprofloxacin [cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-pip -erazinyl)-3-quinolinecarboxylic acid, L] with Cu(NO3)2 under hydrothermal conditions. The synthesis and crystal structure of the hexahydrate form of this complex have been described by (Hernandez-Gil et al., 2009). Herein, we report on the crystal structure of the title complex.
The asymmetric unit of the title compound is compossed of one CuII ion, that is located on an inversion center, one L ligand and one NO3- anion (Fig. 1). The CuII ion is coordinated by six O atoms, four from two L ligand molecules and two from two NO3- anions, in a distorted octahedral geometry. There is a C—H···F interaction in the complex. In the ligand the piperazine ring (N2,N3,C14—C17) has a chair conformation and the quinoline moiety (N1,C2—C10) is essentially planer [max. devsion = 0.097 (2) Å].
In the crystal, molecules are linked via N—H···O hydrogen bonds generating a two-dimensional network lieing parallel to (1 1 1). The presence of C—H···O interactions leads to the formation of a three-dimensional structure.
The geometrical parameters of the title compound are very similar to those of the hexhydrate form of this complex (Hernandez-Gil et al., 2009).