Acta Cryst. (2009). E65, o295 [ doi:10.1107/S160053680900110X ]
The asymmetric unit of the title compound, C19H18N4O2·0.25H2O, contains two organic molecules and a solvent water molecule with 50% occupancy. The two molecules differ in their conformations: in one molecule it is (+)gauche-trans-trans-(+)gauche-trans, whereas in the other it is (-)gauche-trans-trans-(-)gauche-trans. The dihedral angles between the pyridine ring and the quinoline ring system are 67.4 (3) and 68.0 (2)°. Molecules are linked into a supramolecular two-dimensional array via N-H
N hydrogen bonds, with each partially occupied water molecule connected via an O-H
O hydrogen bond. C-H
O interactions are also present.
4-(Quinolin-8-yloxy)butanohydrazide (0.01 mol), 4-pyridylaldehyde (0.01 mol), ethanol (40 ml) and some drops of acetic acid were added to a 100 ml flask, and refluxed for 8 h. After cooling to room temperature, the mixture was filtered. Colourless crystals were obtained by slow evaporation of a tetrahydrofuran solution over a period of 2 days; m.p. 438 K. Analysis found: C 67.34, H 5.50, N 16.53; C76H74N16O9 requires: C 67.30, H 5.54, N 16.51.
All H atoms were placed in idealized positions (C—H = 0.93–0.97 Å, N—H = 0.86 Å and O—H = 0.85 Å) and refined in the riding model approximation with Uiso(H) = 1.2Ueq(C or N) and Uiso(H) = 1.5Ueq(O). The water molecule was included in the model with a 50% site occupancy factor based on elemental analysis and refinement. In the absence of significant anomalous scattering effects, X Friedel pairs were averaged in the final refinement.
Data collection: SMART (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008.
| C19H18N4O2·0.25H2O | F(000) = 714 |
| Mr = 1355.51 | Dx = 1.303 Mg m−3 |
| Monoclinic, P21 | Melting point: 438 K |
| Hall symbol: P 2yb | Mo Kα radiation, λ = 0.71073 Å |
| a = 8.8816 (13) Å | Cell parameters from 1165 reflections |
| b = 17.420 (2) Å | θ = 2.2–20.0° |
| c = 11.3624 (17) Å | µ = 0.09 mm−1 |
| β = 100.765 (3)° | T = 295 K |
| V = 1727.0 (4) Å3 | Block, colorless |
| Z = 1 | 0.32 × 0.26 × 0.22 mm |
| Bruker SMART CCD area-detector diffractometer | 3169 independent reflections |
| Radiation source: fine-focus sealed tube | 1927 reflections with I > 2σ(I) |
| graphite | Rint = 0.050 |
| φ and ω scans | θmax = 25.1°, θmin = 1.8° |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −10→10 |
| Tmin = 0.972, Tmax = 0.981 | k = −13→20 |
| 9142 measured reflections | l = −13→13 |
| Refinement on F2 | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| R[F2 > 2σ(F2)] = 0.058 | H-atom parameters constrained |
| wR(F2) = 0.162 | w = 1/[σ2(Fo2) + (0.0877P)2 + 0.001P] where P = (Fo2 + 2Fc2)/3 |
| S = 1.01 | (Δ/σ)max < 0.001 |
| 3169 reflections | Δρmax = 0.32 e Å−3 |
| 460 parameters | Δρmin = −0.21 e Å−3 |
| 0 restraints | Absolute structure: nd |
| Primary atom site location: structure-invariant direct methods |
| C19H18N4O2·0.25H2O | V = 1727.0 (4) Å3 |
| Mr = 1355.51 | Z = 1 |
| Monoclinic, P21 | Mo Kα radiation |
| a = 8.8816 (13) Å | µ = 0.09 mm−1 |
| b = 17.420 (2) Å | T = 295 K |
| c = 11.3624 (17) Å | 0.32 × 0.26 × 0.22 mm |
| β = 100.765 (3)° |
| Bruker SMART CCD area-detector diffractometer | 3169 independent reflections |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 1927 reflections with I > 2σ(I) |
| Tmin = 0.972, Tmax = 0.981 | Rint = 0.050 |
| 9142 measured reflections | θmax = 25.1° |
| R[F2 > 2σ(F2)] = 0.058 | H-atom parameters constrained |
| wR(F2) = 0.162 | Δρmax = 0.32 e Å−3 |
| S = 1.01 | Δρmin = −0.21 e Å−3 |
| 3169 reflections | Absolute structure: nd |
| 460 parameters | Flack parameter: ? |
| 0 restraints | Rogers parameter: ? |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
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) | |
| N1 | 1.1571 (5) | 0.0923 (3) | 0.6124 (4) | 0.0478 (12) | |
| N2 | 0.7191 (6) | 0.1522 (3) | 0.1045 (4) | 0.0566 (14) | |
| H2 | 0.7211 | 0.1460 | 0.0297 | 0.068* | |
| N3 | 0.6437 (6) | 0.1008 (3) | 0.1636 (4) | 0.0510 (13) | |
| N4 | 0.3307 (7) | −0.1253 (4) | 0.2546 (6) | 0.0817 (18) | |
| N5 | 0.6503 (5) | 0.1139 (3) | 0.8355 (4) | 0.0495 (12) | |
| N6 | 1.0930 (6) | 0.0735 (3) | 1.3512 (4) | 0.0510 (13) | |
| H6 | 1.0909 | 0.0810 | 1.4257 | 0.061* | |
| N7 | 1.1691 (6) | 0.1246 (3) | 1.2916 (4) | 0.0474 (12) | |
| N8 | 1.4779 (7) | 0.3522 (3) | 1.1941 (6) | 0.0674 (15) | |
| O1 | 0.9800 (4) | 0.2139 (2) | 0.5363 (3) | 0.0497 (10) | |
| O2 | 0.8522 (6) | 0.2626 (3) | 0.1125 (4) | 0.0769 (14) | |
| O3 | 0.8302 (5) | −0.0034 (2) | 0.9236 (3) | 0.0511 (10) | |
| O4 | 0.9623 (6) | −0.0348 (2) | 1.3516 (4) | 0.0707 (14) | |
| O5 | 0.2645 (9) | 0.3398 (5) | 0.6539 (8) | 0.072 (3) | 0.50 |
| H39 | 0.2124 | 0.3805 | 0.6357 | 0.107* | 0.50 |
| H40 | 0.2794 | 0.3362 | 0.7297 | 0.107* | 0.50 |
| C1 | 1.0067 (7) | 0.1999 (3) | 0.6560 (5) | 0.0430 (14) | |
| C2 | 0.9470 (7) | 0.2422 (3) | 0.7384 (5) | 0.0491 (15) | |
| H1 | 0.8840 | 0.2840 | 0.7134 | 0.059* | |
| C3 | 0.9807 (7) | 0.2225 (4) | 0.8599 (5) | 0.0557 (16) | |
| H3 | 0.9389 | 0.2514 | 0.9147 | 0.067* | |
| C4 | 1.0719 (7) | 0.1628 (4) | 0.8992 (5) | 0.0569 (17) | |
| H4 | 1.0932 | 0.1515 | 0.9806 | 0.068* | |
| C5 | 1.1361 (7) | 0.1168 (3) | 0.8187 (5) | 0.0478 (15) | |
| C6 | 1.2298 (7) | 0.0529 (4) | 0.8537 (5) | 0.0583 (17) | |
| H5 | 1.2534 | 0.0389 | 0.9340 | 0.070* | |
| C7 | 1.2853 (8) | 0.0120 (4) | 0.7713 (6) | 0.0662 (18) | |
| H7 | 1.3495 | −0.0298 | 0.7938 | 0.079* | |
| C8 | 1.2449 (8) | 0.0333 (4) | 0.6505 (6) | 0.0608 (17) | |
| H8 | 1.2824 | 0.0039 | 0.5940 | 0.073* | |
| C9 | 1.1020 (6) | 0.1352 (3) | 0.6951 (4) | 0.0391 (13) | |
| C10 | 0.8914 (7) | 0.2810 (3) | 0.4948 (5) | 0.0508 (15) | |
| H10A | 0.9416 | 0.3268 | 0.5318 | 0.061* | |
| H10B | 0.7903 | 0.2776 | 0.5152 | 0.061* | |
| C11 | 0.8788 (7) | 0.2845 (3) | 0.3596 (5) | 0.0537 (16) | |
| H11A | 0.8270 | 0.3315 | 0.3295 | 0.064* | |
| H11B | 0.9808 | 0.2854 | 0.3406 | 0.064* | |
| C12 | 0.7917 (7) | 0.2168 (3) | 0.2986 (4) | 0.0498 (15) | |
| H12A | 0.6867 | 0.2192 | 0.3110 | 0.060* | |
| H12B | 0.8370 | 0.1699 | 0.3353 | 0.060* | |
| C13 | 0.7914 (7) | 0.2139 (4) | 0.1658 (5) | 0.0517 (15) | |
| C14 | 0.5817 (7) | 0.0439 (4) | 0.1021 (5) | 0.0523 (15) | |
| H14 | 0.5915 | 0.0389 | 0.0224 | 0.063* | |
| C15 | 0.4960 (7) | −0.0130 (3) | 0.1556 (5) | 0.0491 (15) | |
| C16 | 0.4348 (7) | −0.0766 (4) | 0.0895 (6) | 0.0593 (16) | |
| H16 | 0.4488 | −0.0832 | 0.0110 | 0.071* | |
| C17 | 0.3533 (8) | −0.1299 (4) | 0.1419 (7) | 0.075 (2) | |
| H17 | 0.3116 | −0.1715 | 0.0960 | 0.090* | |
| C18 | 0.3892 (9) | −0.0646 (5) | 0.3151 (7) | 0.076 (2) | |
| H18 | 0.3749 | −0.0600 | 0.3938 | 0.091* | |
| C19 | 0.4703 (7) | −0.0070 (4) | 0.2711 (5) | 0.0581 (17) | |
| H19 | 0.5068 | 0.0350 | 0.3186 | 0.070* | |
| C20 | 0.8106 (7) | 0.0064 (3) | 0.8035 (5) | 0.0442 (14) | |
| C21 | 0.8736 (7) | −0.0391 (4) | 0.7273 (5) | 0.0558 (16) | |
| H21 | 0.9340 | −0.0807 | 0.7577 | 0.067* | |
| C22 | 0.8485 (8) | −0.0239 (4) | 0.6043 (6) | 0.0649 (19) | |
| H22 | 0.8948 | −0.0546 | 0.5543 | 0.078* | |
| C23 | 0.7566 (8) | 0.0355 (4) | 0.5573 (5) | 0.0649 (19) | |
| H23 | 0.7396 | 0.0446 | 0.4752 | 0.078* | |
| C24 | 0.6872 (7) | 0.0832 (4) | 0.6320 (5) | 0.0512 (16) | |
| C25 | 0.5906 (8) | 0.1436 (4) | 0.5884 (6) | 0.070 (2) | |
| H25 | 0.5701 | 0.1542 | 0.5068 | 0.084* | |
| C26 | 0.5250 (8) | 0.1879 (4) | 0.6658 (6) | 0.070 (2) | |
| H26 | 0.4589 | 0.2280 | 0.6378 | 0.083* | |
| C27 | 0.5617 (8) | 0.1702 (4) | 0.7890 (6) | 0.0663 (18) | |
| H27 | 0.5194 | 0.2010 | 0.8412 | 0.080* | |
| C28 | 0.7132 (7) | 0.0686 (3) | 0.7572 (5) | 0.0455 (14) | |
| C29 | 0.9213 (7) | −0.0686 (3) | 0.9732 (5) | 0.0523 (15) | |
| H29A | 1.0227 | −0.0659 | 0.9533 | 0.063* | |
| H29B | 0.8731 | −0.1161 | 0.9414 | 0.063* | |
| C30 | 0.9317 (7) | −0.0652 (3) | 1.1079 (5) | 0.0472 (14) | |
| H30A | 0.8291 | −0.0649 | 1.1259 | 0.057* | |
| H30B | 0.9839 | −0.1107 | 1.1441 | 0.057* | |
| C31 | 1.0176 (7) | 0.0060 (3) | 1.1622 (5) | 0.0479 (14) | |
| H31A | 1.1217 | 0.0044 | 1.1477 | 0.057* | |
| H31B | 0.9684 | 0.0514 | 1.1232 | 0.057* | |
| C32 | 1.0214 (7) | 0.0116 (3) | 1.2951 (5) | 0.0492 (14) | |
| C33 | 1.2327 (7) | 0.1813 (4) | 1.3530 (5) | 0.0517 (15) | |
| H33 | 1.2256 | 0.1860 | 1.4333 | 0.062* | |
| C34 | 1.3162 (6) | 0.2387 (3) | 1.2971 (5) | 0.0448 (14) | |
| C35 | 1.3416 (7) | 0.2328 (4) | 1.1804 (5) | 0.0580 (17) | |
| H35 | 1.3053 | 0.1904 | 1.1339 | 0.070* | |
| C36 | 1.4204 (8) | 0.2895 (4) | 1.1339 (6) | 0.071 (2) | |
| H36 | 1.4347 | 0.2840 | 1.0553 | 0.085* | |
| C37 | 1.4515 (8) | 0.3568 (4) | 1.3043 (6) | 0.0665 (19) | |
| H37 | 1.4879 | 0.4002 | 1.3482 | 0.080* | |
| C38 | 1.3756 (7) | 0.3035 (4) | 1.3600 (6) | 0.0603 (17) | |
| H38 | 1.3640 | 0.3107 | 1.4389 | 0.072* |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| N1 | 0.053 (3) | 0.049 (3) | 0.043 (3) | 0.012 (2) | 0.012 (2) | 0.000 (2) |
| N2 | 0.068 (4) | 0.063 (4) | 0.042 (3) | −0.004 (3) | 0.017 (3) | 0.005 (2) |
| N3 | 0.052 (3) | 0.061 (3) | 0.041 (3) | 0.000 (3) | 0.010 (2) | 0.001 (3) |
| N4 | 0.084 (5) | 0.072 (5) | 0.091 (5) | −0.008 (4) | 0.020 (4) | 0.010 (4) |
| N5 | 0.051 (3) | 0.052 (3) | 0.045 (3) | −0.006 (3) | 0.005 (2) | 0.000 (2) |
| N6 | 0.070 (4) | 0.050 (3) | 0.036 (3) | −0.004 (3) | 0.019 (3) | 0.003 (2) |
| N7 | 0.056 (3) | 0.042 (3) | 0.045 (3) | 0.000 (2) | 0.012 (2) | 0.004 (2) |
| N8 | 0.069 (4) | 0.059 (4) | 0.075 (4) | −0.009 (3) | 0.016 (3) | 0.007 (3) |
| O1 | 0.067 (3) | 0.046 (2) | 0.036 (2) | 0.013 (2) | 0.0091 (18) | 0.0019 (17) |
| O2 | 0.110 (4) | 0.072 (3) | 0.055 (3) | −0.020 (3) | 0.031 (3) | 0.010 (2) |
| O3 | 0.066 (3) | 0.054 (3) | 0.033 (2) | 0.010 (2) | 0.0065 (18) | 0.0019 (17) |
| O4 | 0.111 (4) | 0.060 (3) | 0.048 (2) | −0.026 (3) | 0.032 (3) | 0.002 (2) |
| O5 | 0.059 (6) | 0.055 (5) | 0.102 (7) | 0.002 (4) | 0.018 (5) | −0.020 (5) |
| C1 | 0.057 (4) | 0.037 (3) | 0.035 (3) | −0.005 (3) | 0.009 (3) | −0.001 (2) |
| C2 | 0.063 (4) | 0.041 (3) | 0.047 (4) | −0.002 (3) | 0.017 (3) | −0.011 (3) |
| C3 | 0.073 (4) | 0.055 (4) | 0.043 (3) | −0.006 (4) | 0.021 (3) | −0.013 (3) |
| C4 | 0.068 (4) | 0.069 (5) | 0.031 (3) | −0.019 (4) | 0.002 (3) | −0.004 (3) |
| C5 | 0.049 (4) | 0.050 (4) | 0.041 (3) | 0.000 (3) | 0.000 (3) | −0.001 (3) |
| C6 | 0.057 (4) | 0.074 (5) | 0.039 (4) | 0.003 (4) | −0.003 (3) | 0.009 (3) |
| C7 | 0.064 (4) | 0.070 (5) | 0.062 (4) | 0.019 (4) | 0.004 (3) | 0.014 (4) |
| C8 | 0.069 (4) | 0.058 (4) | 0.058 (4) | 0.016 (4) | 0.018 (3) | 0.002 (3) |
| C9 | 0.046 (3) | 0.037 (3) | 0.034 (3) | −0.001 (3) | 0.006 (2) | 0.000 (2) |
| C10 | 0.061 (4) | 0.039 (3) | 0.050 (4) | 0.003 (3) | 0.004 (3) | −0.002 (3) |
| C11 | 0.065 (4) | 0.049 (4) | 0.047 (4) | 0.001 (3) | 0.010 (3) | 0.006 (3) |
| C12 | 0.062 (4) | 0.051 (4) | 0.036 (3) | 0.004 (3) | 0.007 (3) | 0.008 (3) |
| C13 | 0.057 (4) | 0.054 (4) | 0.044 (3) | 0.002 (3) | 0.011 (3) | 0.007 (3) |
| C14 | 0.060 (4) | 0.059 (4) | 0.039 (3) | 0.010 (3) | 0.013 (3) | 0.002 (3) |
| C15 | 0.046 (4) | 0.049 (4) | 0.049 (4) | 0.003 (3) | 0.003 (3) | 0.004 (3) |
| C16 | 0.068 (4) | 0.048 (4) | 0.061 (4) | 0.009 (3) | 0.009 (3) | −0.006 (3) |
| C17 | 0.078 (5) | 0.052 (5) | 0.093 (6) | −0.003 (4) | 0.007 (4) | −0.006 (4) |
| C18 | 0.075 (5) | 0.084 (6) | 0.069 (5) | 0.006 (5) | 0.017 (4) | 0.006 (4) |
| C19 | 0.068 (4) | 0.060 (4) | 0.046 (4) | −0.003 (4) | 0.009 (3) | 0.003 (3) |
| C20 | 0.051 (3) | 0.048 (3) | 0.033 (3) | −0.006 (3) | 0.003 (3) | −0.004 (3) |
| C21 | 0.063 (4) | 0.064 (4) | 0.041 (3) | −0.003 (3) | 0.010 (3) | −0.011 (3) |
| C22 | 0.072 (5) | 0.077 (5) | 0.050 (4) | −0.019 (4) | 0.023 (3) | −0.019 (4) |
| C23 | 0.072 (4) | 0.087 (5) | 0.036 (3) | −0.023 (4) | 0.010 (3) | −0.004 (4) |
| C24 | 0.053 (4) | 0.062 (4) | 0.037 (3) | −0.021 (3) | 0.005 (3) | 0.004 (3) |
| C25 | 0.071 (5) | 0.080 (5) | 0.053 (4) | −0.017 (4) | −0.004 (4) | 0.015 (4) |
| C26 | 0.065 (5) | 0.065 (5) | 0.070 (5) | −0.006 (4) | −0.009 (4) | 0.020 (4) |
| C27 | 0.067 (5) | 0.060 (4) | 0.071 (5) | 0.007 (4) | 0.013 (4) | 0.006 (4) |
| C28 | 0.046 (3) | 0.055 (4) | 0.035 (3) | −0.013 (3) | 0.008 (3) | −0.006 (3) |
| C29 | 0.067 (4) | 0.040 (3) | 0.048 (3) | 0.001 (3) | 0.005 (3) | −0.002 (3) |
| C30 | 0.058 (4) | 0.036 (3) | 0.045 (3) | 0.003 (3) | 0.004 (3) | 0.010 (3) |
| C31 | 0.058 (4) | 0.044 (3) | 0.042 (3) | −0.004 (3) | 0.010 (3) | 0.007 (3) |
| C32 | 0.064 (4) | 0.045 (3) | 0.040 (3) | −0.001 (3) | 0.013 (3) | 0.002 (3) |
| C33 | 0.054 (4) | 0.055 (4) | 0.045 (4) | −0.001 (3) | 0.005 (3) | −0.001 (3) |
| C34 | 0.047 (3) | 0.039 (3) | 0.049 (4) | 0.005 (3) | 0.011 (3) | 0.000 (3) |
| C35 | 0.060 (4) | 0.056 (4) | 0.057 (4) | −0.011 (3) | 0.007 (3) | −0.009 (3) |
| C36 | 0.079 (5) | 0.080 (5) | 0.057 (4) | −0.018 (4) | 0.023 (4) | 0.004 (4) |
| C37 | 0.071 (5) | 0.050 (4) | 0.075 (5) | −0.005 (4) | 0.005 (4) | −0.008 (4) |
| C38 | 0.062 (4) | 0.060 (4) | 0.059 (4) | −0.002 (4) | 0.012 (3) | 0.000 (3) |
| N1—C8 | 1.314 (7) | C12—H12A | 0.9700 |
| N1—C9 | 1.361 (6) | C12—H12B | 0.9700 |
| N2—C13 | 1.373 (8) | C14—C15 | 1.451 (8) |
| N2—N3 | 1.368 (6) | C14—H14 | 0.9300 |
| N2—H2 | 0.8600 | C15—C19 | 1.378 (8) |
| N3—C14 | 1.277 (7) | C15—C16 | 1.391 (8) |
| N4—C18 | 1.314 (9) | C16—C17 | 1.378 (9) |
| N4—C17 | 1.335 (9) | C16—H16 | 0.9300 |
| N5—C27 | 1.306 (8) | C17—H17 | 0.9300 |
| N5—C28 | 1.381 (7) | C18—C19 | 1.382 (9) |
| N6—C32 | 1.349 (7) | C18—H18 | 0.9300 |
| N6—N7 | 1.371 (6) | C19—H19 | 0.9300 |
| N6—H6 | 0.8600 | C20—C21 | 1.368 (7) |
| N7—C33 | 1.278 (7) | C20—C28 | 1.425 (8) |
| N8—C37 | 1.317 (8) | C21—C22 | 1.398 (8) |
| N8—C36 | 1.339 (9) | C21—H21 | 0.9300 |
| O1—C1 | 1.359 (6) | C22—C23 | 1.364 (9) |
| O1—C10 | 1.438 (6) | C22—H22 | 0.9300 |
| O2—C13 | 1.224 (7) | C23—C24 | 1.411 (8) |
| O3—C20 | 1.354 (6) | C23—H23 | 0.9300 |
| O3—C29 | 1.445 (7) | C24—C25 | 1.389 (9) |
| O4—C32 | 1.212 (7) | C24—C28 | 1.421 (7) |
| O5—H39 | 0.8500 | C25—C26 | 1.377 (9) |
| O5—H40 | 0.8499 | C25—H25 | 0.9300 |
| C1—C2 | 1.373 (7) | C26—C27 | 1.410 (9) |
| C1—C9 | 1.429 (7) | C26—H26 | 0.9300 |
| C2—C3 | 1.400 (8) | C27—H27 | 0.9300 |
| C2—H1 | 0.9300 | C29—C30 | 1.518 (7) |
| C3—C4 | 1.342 (9) | C29—H29A | 0.9700 |
| C3—H3 | 0.9300 | C29—H29B | 0.9700 |
| C4—C5 | 1.414 (8) | C30—C31 | 1.524 (8) |
| C4—H4 | 0.9300 | C30—H30A | 0.9700 |
| C5—C6 | 1.402 (8) | C30—H30B | 0.9700 |
| C5—C9 | 1.417 (7) | C31—C32 | 1.507 (8) |
| C6—C7 | 1.343 (9) | C31—H31A | 0.9700 |
| C6—H5 | 0.9300 | C31—H31B | 0.9700 |
| C7—C8 | 1.402 (9) | C33—C34 | 1.460 (8) |
| C7—H7 | 0.9300 | C33—H33 | 0.9300 |
| C8—H8 | 0.9300 | C34—C38 | 1.386 (8) |
| C10—C11 | 1.521 (7) | C34—C35 | 1.389 (8) |
| C10—H10A | 0.9700 | C35—C36 | 1.373 (8) |
| C10—H10B | 0.9700 | C35—H35 | 0.9300 |
| C11—C12 | 1.506 (8) | C36—H36 | 0.9300 |
| C11—H11A | 0.9700 | C37—C38 | 1.370 (9) |
| C11—H11B | 0.9700 | C37—H37 | 0.9300 |
| C12—C13 | 1.509 (7) | C38—H38 | 0.9300 |
| C8—N1—C9 | 118.0 (5) | C16—C17—H17 | 118.0 |
| C13—N2—N3 | 119.3 (5) | N4—C18—C19 | 125.2 (7) |
| C13—N2—H2 | 120.4 | N4—C18—H18 | 117.4 |
| N3—N2—H2 | 120.4 | C19—C18—H18 | 117.4 |
| C14—N3—N2 | 116.1 (5) | C15—C19—C18 | 118.6 (6) |
| C18—N4—C17 | 115.7 (6) | C15—C19—H19 | 120.7 |
| C27—N5—C28 | 117.0 (5) | C18—C19—H19 | 120.7 |
| C32—N6—N7 | 121.2 (4) | O3—C20—C21 | 125.0 (5) |
| C32—N6—H6 | 119.4 | O3—C20—C28 | 115.0 (5) |
| N7—N6—H6 | 119.4 | C21—C20—C28 | 119.9 (5) |
| C33—N7—N6 | 116.2 (5) | C20—C21—C22 | 121.0 (6) |
| C37—N8—C36 | 114.6 (6) | C20—C21—H21 | 119.5 |
| C1—O1—C10 | 117.2 (4) | C22—C21—H21 | 119.5 |
| C20—O3—C29 | 116.7 (4) | C23—C22—C21 | 120.5 (6) |
| H39—O5—H40 | 106.4 | C23—C22—H22 | 119.8 |
| O1—C1—C2 | 124.6 (5) | C21—C22—H22 | 119.8 |
| O1—C1—C9 | 115.8 (4) | C22—C23—C24 | 120.6 (6) |
| C2—C1—C9 | 119.5 (5) | C22—C23—H23 | 119.7 |
| C1—C2—C3 | 120.2 (6) | C24—C23—H23 | 119.7 |
| C1—C2—H1 | 119.9 | C25—C24—C23 | 122.8 (6) |
| C3—C2—H1 | 119.9 | C25—C24—C28 | 117.8 (6) |
| C4—C3—C2 | 121.4 (5) | C23—C24—C28 | 119.3 (6) |
| C4—C3—H3 | 119.3 | C24—C25—C26 | 120.2 (6) |
| C2—C3—H3 | 119.3 | C24—C25—H25 | 119.9 |
| C3—C4—C5 | 121.1 (6) | C26—C25—H25 | 119.9 |
| C3—C4—H4 | 119.5 | C25—C26—C27 | 117.7 (7) |
| C5—C4—H4 | 119.5 | C25—C26—H26 | 121.2 |
| C6—C5—C9 | 117.8 (5) | C27—C26—H26 | 121.2 |
| C6—C5—C4 | 123.8 (6) | N5—C27—C26 | 125.2 (7) |
| C9—C5—C4 | 118.4 (5) | N5—C27—H27 | 117.4 |
| C7—C6—C5 | 120.0 (6) | C26—C27—H27 | 117.4 |
| C7—C6—H5 | 120.0 | N5—C28—C24 | 122.2 (6) |
| C5—C6—H5 | 120.0 | N5—C28—C20 | 119.1 (5) |
| C6—C7—C8 | 118.8 (6) | C24—C28—C20 | 118.7 (5) |
| C6—C7—H7 | 120.6 | O3—C29—C30 | 106.6 (4) |
| C8—C7—H7 | 120.6 | O3—C29—H29A | 110.4 |
| N1—C8—C7 | 123.9 (6) | C30—C29—H29A | 110.4 |
| N1—C8—H8 | 118.1 | O3—C29—H29B | 110.4 |
| C7—C8—H8 | 118.1 | C30—C29—H29B | 110.4 |
| N1—C9—C5 | 121.5 (5) | H29A—C29—H29B | 108.6 |
| N1—C9—C1 | 119.2 (5) | C31—C30—C29 | 111.8 (5) |
| C5—C9—C1 | 119.4 (5) | C31—C30—H30A | 109.2 |
| O1—C10—C11 | 107.2 (4) | C29—C30—H30A | 109.2 |
| O1—C10—H10A | 110.3 | C31—C30—H30B | 109.2 |
| C11—C10—H10A | 110.3 | C29—C30—H30B | 109.2 |
| O1—C10—H10B | 110.3 | H30A—C30—H30B | 107.9 |
| C11—C10—H10B | 110.3 | C32—C31—C30 | 112.0 (5) |
| H10A—C10—H10B | 108.5 | C32—C31—H31A | 109.2 |
| C12—C11—C10 | 111.7 (5) | C30—C31—H31A | 109.2 |
| C12—C11—H11A | 109.3 | C32—C31—H31B | 109.2 |
| C10—C11—H11A | 109.3 | C30—C31—H31B | 109.2 |
| C12—C11—H11B | 109.3 | H31A—C31—H31B | 107.9 |
| C10—C11—H11B | 109.3 | O4—C32—N6 | 119.7 (5) |
| H11A—C11—H11B | 107.9 | O4—C32—C31 | 123.8 (6) |
| C11—C12—C13 | 113.1 (5) | N6—C32—C31 | 116.5 (5) |
| C11—C12—H12A | 109.0 | N7—C33—C34 | 120.0 (5) |
| C13—C12—H12A | 109.0 | N7—C33—H33 | 120.0 |
| C11—C12—H12B | 109.0 | C34—C33—H33 | 120.0 |
| C13—C12—H12B | 109.0 | C38—C34—C35 | 116.0 (5) |
| H12A—C12—H12B | 107.8 | C38—C34—C33 | 120.6 (5) |
| O2—C13—N2 | 120.0 (5) | C35—C34—C33 | 123.4 (5) |
| O2—C13—C12 | 123.5 (6) | C36—C35—C34 | 119.9 (6) |
| N2—C13—C12 | 116.5 (5) | C36—C35—H35 | 120.0 |
| N3—C14—C15 | 120.5 (5) | C34—C35—H35 | 120.0 |
| N3—C14—H14 | 119.8 | N8—C36—C35 | 124.3 (6) |
| C15—C14—H14 | 119.8 | N8—C36—H36 | 117.9 |
| C19—C15—C16 | 117.3 (6) | C35—C36—H36 | 117.9 |
| C19—C15—C14 | 122.7 (5) | N8—C37—C38 | 126.1 (6) |
| C16—C15—C14 | 120.0 (5) | N8—C37—H37 | 117.0 |
| C17—C16—C15 | 119.1 (6) | C38—C37—H37 | 117.0 |
| C17—C16—H16 | 120.5 | C37—C38—C34 | 119.0 (6) |
| C15—C16—H16 | 120.5 | C37—C38—H38 | 120.5 |
| N4—C17—C16 | 124.0 (7) | C34—C38—H38 | 120.5 |
| N4—C17—H17 | 118.0 | ||
| C13—N2—N3—C14 | −178.6 (5) | N4—C18—C19—C15 | −1.3 (11) |
| C32—N6—N7—C33 | 179.8 (5) | C29—O3—C20—C21 | −1.9 (8) |
| C10—O1—C1—C2 | 4.5 (8) | C29—O3—C20—C28 | 176.6 (5) |
| C10—O1—C1—C9 | −176.7 (5) | O3—C20—C21—C22 | −179.2 (6) |
| O1—C1—C2—C3 | 179.5 (5) | C28—C20—C21—C22 | 2.3 (8) |
| C9—C1—C2—C3 | 0.7 (8) | C20—C21—C22—C23 | −1.9 (9) |
| C1—C2—C3—C4 | 0.4 (9) | C21—C22—C23—C24 | 0.9 (9) |
| C2—C3—C4—C5 | −0.8 (9) | C22—C23—C24—C25 | −178.9 (6) |
| C3—C4—C5—C6 | −178.7 (6) | C22—C23—C24—C28 | −0.3 (9) |
| C3—C4—C5—C9 | 0.1 (9) | C23—C24—C25—C26 | 179.4 (6) |
| C9—C5—C6—C7 | 0.8 (9) | C28—C24—C25—C26 | 0.9 (9) |
| C4—C5—C6—C7 | 179.6 (6) | C24—C25—C26—C27 | 1.0 (10) |
| C5—C6—C7—C8 | −1.5 (10) | C28—N5—C27—C26 | 0.3 (9) |
| C9—N1—C8—C7 | −0.1 (9) | C25—C26—C27—N5 | −1.7 (11) |
| C6—C7—C8—N1 | 1.3 (11) | C27—N5—C28—C24 | 1.7 (8) |
| C8—N1—C9—C5 | −0.7 (8) | C27—N5—C28—C20 | −179.9 (6) |
| C8—N1—C9—C1 | 179.8 (5) | C25—C24—C28—N5 | −2.3 (8) |
| C6—C5—C9—N1 | 0.4 (8) | C23—C24—C28—N5 | 179.1 (5) |
| C4—C5—C9—N1 | −178.5 (5) | C25—C24—C28—C20 | 179.3 (5) |
| C6—C5—C9—C1 | 179.9 (5) | C23—C24—C28—C20 | 0.7 (8) |
| C4—C5—C9—C1 | 1.0 (8) | O3—C20—C28—N5 | 1.2 (7) |
| O1—C1—C9—N1 | −0.8 (7) | C21—C20—C28—N5 | 179.9 (5) |
| C2—C1—C9—N1 | 178.1 (5) | O3—C20—C28—C24 | 179.6 (5) |
| O1—C1—C9—C5 | 179.7 (5) | C21—C20—C28—C24 | −1.7 (8) |
| C2—C1—C9—C5 | −1.4 (8) | C20—O3—C29—C30 | 177.7 (5) |
| C1—O1—C10—C11 | 179.5 (5) | O3—C29—C30—C31 | −64.3 (6) |
| O1—C10—C11—C12 | 63.8 (6) | C29—C30—C31—C32 | 177.2 (5) |
| C10—C11—C12—C13 | −173.9 (5) | N7—N6—C32—O4 | 176.0 (5) |
| N3—N2—C13—O2 | −176.0 (5) | N7—N6—C32—C31 | −5.4 (8) |
| N3—N2—C13—C12 | 4.5 (8) | C30—C31—C32—O4 | −0.4 (8) |
| C11—C12—C13—O2 | −1.8 (8) | C30—C31—C32—N6 | −179.0 (5) |
| C11—C12—C13—N2 | 177.7 (5) | N6—N7—C33—C34 | 180.0 (5) |
| N2—N3—C14—C15 | −178.6 (5) | N7—C33—C34—C38 | 175.0 (6) |
| N3—C14—C15—C19 | 3.4 (9) | N7—C33—C34—C35 | −5.0 (9) |
| N3—C14—C15—C16 | −177.0 (6) | C38—C34—C35—C36 | −0.5 (9) |
| C19—C15—C16—C17 | −0.2 (9) | C33—C34—C35—C36 | 179.5 (6) |
| C14—C15—C16—C17 | −179.8 (5) | C37—N8—C36—C35 | −0.9 (11) |
| C18—N4—C17—C16 | 1.3 (11) | C34—C35—C36—N8 | 0.5 (11) |
| C15—C16—C17—N4 | −1.2 (10) | C36—N8—C37—C38 | 1.4 (10) |
| C17—N4—C18—C19 | 0.0 (11) | N8—C37—C38—C34 | −1.5 (10) |
| C16—C15—C19—C18 | 1.4 (9) | C35—C34—C38—C37 | 0.9 (9) |
| C14—C15—C19—C18 | −179.1 (6) | C33—C34—C38—C37 | −179.1 (5) |
| D—H···A | D—H | H···A | D···A | D—H···A |
| C31—H31B···O3 | 0.97 | 2.55 | 2.908 (7) | 102 |
| C22—H22···O4i | 0.93 | 2.51 | 3.224 (7) | 134 |
| C12—H12B···O1 | 0.97 | 2.52 | 2.900 (7) | 103 |
| C7—H7···N8ii | 0.93 | 2.55 | 3.466 (9) | 167 |
| C3—H3···O2iii | 0.93 | 2.52 | 3.353 (7) | 150 |
| C2—H1···N4iv | 0.93 | 2.55 | 3.390 (9) | 150 |
| O5—H39···O4v | 0.85 | 2.17 | 2.964 (10) | 156 |
| N6—H6···N1iii | 0.86 | 2.10 | 2.934 (6) | 163 |
| N2—H2···N5i | 0.86 | 2.25 | 3.077 (7) | 161 |
| Symmetry codes: (i) x, y, z−1; (ii) −x+3, y−1/2, −z+2; (iii) x, y, z+1; (iv) −x+1, y+1/2, −z+1; (v) −x+1, y+1/2, −z+2. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| C22—H22···O4i | 0.93 | 2.51 | 3.224 (7) | 134 |
| C7—H7···N8ii | 0.93 | 2.55 | 3.466 (9) | 167 |
| C3—H3···O2iii | 0.93 | 2.52 | 3.353 (7) | 150 |
| C2—H1···N4iv | 0.93 | 2.55 | 3.390 (9) | 150 |
| O5—H39···O4v | 0.85 | 2.17 | 2.964 (10) | 156 |
| N6—H6···N1iii | 0.86 | 2.10 | 2.934 (6) | 163 |
| N2—H2···N5i | 0.86 | 2.25 | 3.077 (7) | 161 |
| Symmetry codes: (i) x, y, z−1; (ii) −x+3, y−1/2, −z+2; (iii) x, y, z+1; (iv) −x+1, y+1/2, −z+1; (v) −x+1, y+1/2, −z+2. |
This work was supported by grants from Qinzhou University Foundation and the Young Key Teacher's Plan of Guangxi Zhuang Autonomous Region of the People's Republic of China [grant Nos. 2008XJKY-10B and 2008 (30)].
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The coordination chemistry of 8-hydroxyquinoline and its derivatives is well studied (Cai et al., 2003; Chen et al., 2005; Park et al., 2006; Karmakar et al. 2007). In the course of our studies searching for good extractants of metal ions, the title compound, (I), was synthesized and its crystal structure determined. The asymmetric unit comprises two independent molecules which differ in conformation and a water molecule with a 50% site occupancy factor. In one molecule, the conformation along the O1—C10—C11—C12—C13—N2—N3—C14 bond sequence is (+)gauche-trans-trans-(+)gauche-trans, whereas in the second molecule the conformation is (-)gauche-trans-trans-(-)gauche-trans along the corresponding O3—C29—C30—C31—C32—N6—N7—C33 bond sequence. Despite these differences, the dihedral angles between the mean planes of the pyridine and quinoline rings are not very different, i.e. 67.4 (3)° and 68.0 (2)° for the molecules containing atoms O1 and O3, respectively. The two independent molecules are linked to a supermolecular 2D array via N—H···N hydrogen bonds supported by C—H···O contacts, Table 1. Each partially occupied water molecules is connected to a layer via a O—H···O hydrogen bond.