organic compounds
N′-(5-Bromo-2-methoxybenzylidene)-3-hydroxybenzohydrazide methanol hemisolvate
aDepartment of Chemistry, Kaili College, Kaili Guizhou 556000, People's Republic of China
*Correspondence e-mail: zhou82zhi@126.com
The 15H13BrN2O3·0.5CH3OH, contains two Schiff base molecules and a methanol molecule of crystallization. The dihedral angles between the benzene rings in the two molecules are 23.8 (2) and 18.6 (2)°. In the molecules are linked through intermolecular N—H⋯O, O—H⋯O and O—H⋯N hydrogen bonds, forming a three-dimensional network.
of the title compound, CRelated literature
For related literature, see: Zhou & Tang (2007); Zhou & Xiao (2007). For related structures, see: Ali et al. (2007); Butcher et al. (2007); He (2008); Jing & Yu (2007); Nie (2008).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536808018205/at2575sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808018205/at2575Isup2.hkl
2-Methoxy-5-bromobenzaldehyde (1.0 mmol, 215.0 mg) and 3-hydroxybenzohydrazide (1.0 mmol, 152.1 mg) were dissolved in methanol (30 ml). The mixture was stirred at reflux for 30 min to give a colourless solution. After keeping the solution in air for a few days, colourless block-like crystals were formed.
H2 and H4A were located in a difference Fourier map and refined isotropically, with Uiso fixed at 0.08 Å2. Other H atoms were positioned geometrically and refined using a riding model with d(O–H) = 0.82 Å, Uiso = 1.5Ueq(O), and d(C–H) = 0.93 - 0.96 Å, Uiso = 1.2 or 1.5Ueq(C).
Data collection: SMART (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. The molecular structure of (I), with displacement ellipsoids drawn at the 30% probability level. | |
Fig. 2. The molecular packing of (I), viewed along the c axis. Hydrogen bonds are shown as dashed lines. |
C15H13BrN2O3·0.5CH4O | F(000) = 1480 |
Mr = 365.21 | Dx = 1.491 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 1690 reflections |
a = 12.906 (2) Å | θ = 2.4–24.1° |
b = 11.177 (2) Å | µ = 2.54 mm−1 |
c = 22.607 (3) Å | T = 298 K |
β = 93.706 (3)° | Block, colourless |
V = 3254.3 (9) Å3 | 0.20 × 0.18 × 0.17 mm |
Z = 8 |
Bruker SMART CCD area-detector diffractometer | 6725 independent reflections |
Radiation source: fine-focus sealed tube | 2610 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.104 |
ω scans | θmax = 26.5°, θmin = 1.8° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −16→16 |
Tmin = 0.630, Tmax = 0.672 | k = −13→14 |
21623 measured reflections | l = −28→27 |
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)] = 0.061 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.170 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.98 | w = 1/[σ2(Fo2) + (0.0522P)2] where P = (Fo2 + 2Fc2)/3 |
6725 reflections | (Δ/σ)max = 0.001 |
409 parameters | Δρmax = 0.51 e Å−3 |
2 restraints | Δρmin = −0.47 e Å−3 |
C15H13BrN2O3·0.5CH4O | V = 3254.3 (9) Å3 |
Mr = 365.21 | Z = 8 |
Monoclinic, P21/n | Mo Kα radiation |
a = 12.906 (2) Å | µ = 2.54 mm−1 |
b = 11.177 (2) Å | T = 298 K |
c = 22.607 (3) Å | 0.20 × 0.18 × 0.17 mm |
β = 93.706 (3)° |
Bruker SMART CCD area-detector diffractometer | 6725 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 2610 reflections with I > 2σ(I) |
Tmin = 0.630, Tmax = 0.672 | Rint = 0.104 |
21623 measured reflections |
R[F2 > 2σ(F2)] = 0.061 | 2 restraints |
wR(F2) = 0.170 | H atoms treated by a mixture of independent and constrained refinement |
S = 0.98 | Δρmax = 0.51 e Å−3 |
6725 reflections | Δρmin = −0.47 e Å−3 |
409 parameters |
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 | ||
Br1 | 0.89733 (6) | −0.03746 (6) | 0.19990 (3) | 0.0896 (3) | |
Br2 | −0.27606 (8) | 0.47236 (11) | 0.74505 (4) | 0.1632 (5) | |
O1 | 0.4978 (3) | −0.1249 (3) | 0.31384 (17) | 0.0705 (11) | |
O2 | 0.8013 (2) | 0.2809 (3) | 0.44744 (14) | 0.0499 (9) | |
O3 | 0.6978 (3) | 0.6557 (3) | 0.55948 (18) | 0.0680 (11) | |
H3 | 0.7389 | 0.6728 | 0.5346 | 0.102* | |
O4 | 0.1231 (4) | 0.3770 (4) | 0.6320 (2) | 0.0868 (14) | |
O5 | −0.1758 (3) | 0.7734 (3) | 0.48927 (15) | 0.0563 (10) | |
O6 | −0.0715 (3) | 1.1472 (3) | 0.37821 (15) | 0.0551 (10) | |
H6 | −0.1226 | 1.1603 | 0.3970 | 0.083* | |
O7 | 0.5718 (3) | 0.8519 (4) | 0.5649 (3) | 0.0984 (16) | |
H7 | 0.6018 | 0.7923 | 0.5537 | 0.148* | |
N1 | 0.6877 (3) | 0.1219 (3) | 0.38704 (17) | 0.0435 (10) | |
N2 | 0.6465 (3) | 0.1906 (4) | 0.43049 (18) | 0.0454 (11) | |
N3 | −0.0639 (3) | 0.6176 (4) | 0.55665 (18) | 0.0489 (11) | |
N4 | −0.0209 (3) | 0.6887 (4) | 0.51548 (18) | 0.0448 (11) | |
C1 | 0.6526 (4) | −0.0203 (5) | 0.3091 (2) | 0.0476 (14) | |
C2 | 0.5840 (4) | −0.1083 (5) | 0.2848 (2) | 0.0494 (14) | |
C3 | 0.6097 (5) | −0.1693 (5) | 0.2347 (2) | 0.0599 (16) | |
H3A | 0.5641 | −0.2261 | 0.2179 | 0.072* | |
C4 | 0.7018 (5) | −0.1475 (5) | 0.2094 (2) | 0.0623 (16) | |
H4 | 0.7181 | −0.1892 | 0.1756 | 0.075* | |
C5 | 0.7690 (4) | −0.0647 (5) | 0.2338 (2) | 0.0532 (15) | |
C6 | 0.7453 (4) | −0.0001 (4) | 0.2831 (2) | 0.0466 (14) | |
H6A | 0.7916 | 0.0571 | 0.2990 | 0.056* | |
C7 | 0.4258 (4) | −0.2131 (5) | 0.2916 (3) | 0.0795 (19) | |
H7A | 0.4041 | −0.1949 | 0.2512 | 0.119* | |
H7B | 0.3664 | −0.2133 | 0.3151 | 0.119* | |
H7C | 0.4582 | −0.2904 | 0.2936 | 0.119* | |
C8 | 0.6233 (4) | 0.0517 (5) | 0.3595 (2) | 0.0485 (14) | |
H8 | 0.5560 | 0.0460 | 0.3717 | 0.058* | |
C9 | 0.7095 (4) | 0.2717 (4) | 0.4583 (2) | 0.0403 (12) | |
C10 | 0.6619 (4) | 0.3512 (4) | 0.5019 (2) | 0.0424 (13) | |
C11 | 0.7043 (4) | 0.4646 (4) | 0.5105 (2) | 0.0441 (13) | |
H11 | 0.7613 | 0.4877 | 0.4901 | 0.053* | |
C12 | 0.6614 (4) | 0.5429 (5) | 0.5494 (2) | 0.0475 (13) | |
C13 | 0.5772 (4) | 0.5085 (5) | 0.5794 (2) | 0.0562 (15) | |
H13 | 0.5487 | 0.5610 | 0.6058 | 0.067* | |
C14 | 0.5352 (4) | 0.3978 (5) | 0.5707 (2) | 0.0610 (16) | |
H14 | 0.4775 | 0.3758 | 0.5908 | 0.073* | |
C15 | 0.5772 (4) | 0.3173 (5) | 0.5321 (2) | 0.0533 (15) | |
H15 | 0.5486 | 0.2414 | 0.5267 | 0.064* | |
C16 | 0.0358 (7) | 0.3912 (5) | 0.6599 (3) | 0.075 (2) | |
C17 | −0.0323 (5) | 0.4802 (5) | 0.6358 (2) | 0.0563 (16) | |
C18 | −0.1248 (5) | 0.5010 (5) | 0.6608 (3) | 0.0716 (19) | |
H18 | −0.1693 | 0.5598 | 0.6448 | 0.086* | |
C19 | −0.1527 (7) | 0.4368 (8) | 0.7089 (3) | 0.105 (3) | |
C20 | −0.0841 (10) | 0.3495 (9) | 0.7327 (4) | 0.134 (5) | |
H20 | −0.1013 | 0.3062 | 0.7658 | 0.161* | |
C21 | 0.0056 (9) | 0.3278 (7) | 0.7085 (3) | 0.116 (4) | |
H21 | 0.0491 | 0.2684 | 0.7247 | 0.140* | |
C22 | 0.1976 (6) | 0.2885 (6) | 0.6549 (3) | 0.125 (3) | |
H22A | 0.2229 | 0.3105 | 0.6942 | 0.187* | |
H22B | 0.2546 | 0.2846 | 0.6297 | 0.187* | |
H22C | 0.1645 | 0.2116 | 0.6559 | 0.187* | |
C23 | 0.0025 (4) | 0.5525 (4) | 0.5873 (2) | 0.0501 (14) | |
H23 | 0.0719 | 0.5518 | 0.5784 | 0.060* | |
C24 | −0.0810 (4) | 0.7700 (4) | 0.4857 (2) | 0.0422 (13) | |
C25 | −0.0264 (4) | 0.8531 (4) | 0.4470 (2) | 0.0411 (13) | |
C26 | −0.0762 (4) | 0.9601 (4) | 0.43118 (19) | 0.0412 (12) | |
H26 | −0.1412 | 0.9771 | 0.4445 | 0.049* | |
C27 | −0.0283 (4) | 1.0406 (5) | 0.3956 (2) | 0.0429 (13) | |
C28 | 0.0680 (4) | 1.0164 (5) | 0.3763 (2) | 0.0561 (15) | |
H28 | 0.1007 | 1.0720 | 0.3532 | 0.067* | |
C29 | 0.1162 (4) | 0.9099 (5) | 0.3910 (2) | 0.0577 (15) | |
H29 | 0.1806 | 0.8927 | 0.3768 | 0.069* | |
C30 | 0.0696 (4) | 0.8282 (4) | 0.4267 (2) | 0.0455 (13) | |
H30 | 0.1030 | 0.7568 | 0.4370 | 0.055* | |
C31 | 0.6289 (6) | 0.9488 (7) | 0.5556 (5) | 0.173 (5) | |
H31A | 0.5889 | 1.0194 | 0.5622 | 0.260* | |
H31B | 0.6491 | 0.9484 | 0.5154 | 0.260* | |
H31C | 0.6898 | 0.9483 | 0.5823 | 0.260* | |
H2 | 0.5782 (11) | 0.183 (5) | 0.434 (2) | 0.080* | |
H4A | 0.0489 (9) | 0.695 (5) | 0.520 (2) | 0.080* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br1 | 0.1071 (6) | 0.0787 (5) | 0.0892 (5) | 0.0026 (4) | 0.0552 (4) | 0.0009 (4) |
Br2 | 0.1725 (10) | 0.2271 (12) | 0.0980 (7) | −0.1320 (9) | 0.0695 (6) | −0.0473 (7) |
O1 | 0.057 (3) | 0.071 (3) | 0.084 (3) | −0.018 (2) | 0.008 (2) | −0.022 (2) |
O2 | 0.035 (2) | 0.056 (2) | 0.059 (2) | 0.0003 (18) | 0.0038 (17) | −0.0118 (18) |
O3 | 0.067 (3) | 0.046 (2) | 0.096 (3) | −0.010 (2) | 0.042 (2) | −0.018 (2) |
O4 | 0.119 (4) | 0.055 (3) | 0.082 (3) | 0.019 (3) | −0.028 (3) | 0.003 (2) |
O5 | 0.040 (2) | 0.060 (2) | 0.070 (3) | 0.0084 (19) | 0.0117 (19) | 0.0173 (19) |
O6 | 0.061 (3) | 0.046 (2) | 0.060 (2) | 0.0045 (19) | 0.0187 (19) | 0.0093 (19) |
O7 | 0.047 (3) | 0.057 (3) | 0.193 (5) | −0.005 (2) | 0.028 (3) | −0.036 (3) |
N1 | 0.047 (3) | 0.036 (3) | 0.048 (3) | 0.000 (2) | 0.004 (2) | −0.008 (2) |
N2 | 0.039 (3) | 0.044 (3) | 0.054 (3) | −0.006 (2) | 0.012 (2) | −0.017 (2) |
N3 | 0.049 (3) | 0.046 (3) | 0.052 (3) | −0.010 (2) | 0.005 (2) | −0.001 (2) |
N4 | 0.033 (3) | 0.048 (3) | 0.054 (3) | −0.004 (2) | 0.004 (2) | 0.011 (2) |
C1 | 0.060 (4) | 0.041 (3) | 0.042 (3) | 0.002 (3) | 0.000 (3) | 0.001 (3) |
C2 | 0.055 (4) | 0.041 (3) | 0.051 (4) | 0.007 (3) | −0.004 (3) | −0.006 (3) |
C3 | 0.081 (5) | 0.045 (4) | 0.051 (4) | 0.001 (3) | −0.011 (3) | −0.006 (3) |
C4 | 0.094 (5) | 0.046 (4) | 0.047 (4) | 0.002 (4) | 0.012 (3) | −0.009 (3) |
C5 | 0.073 (4) | 0.043 (4) | 0.046 (3) | 0.000 (3) | 0.019 (3) | 0.005 (3) |
C6 | 0.054 (4) | 0.036 (3) | 0.050 (3) | −0.002 (3) | 0.002 (3) | 0.002 (3) |
C7 | 0.056 (4) | 0.071 (4) | 0.110 (5) | −0.014 (4) | −0.009 (4) | 0.000 (4) |
C8 | 0.045 (3) | 0.049 (4) | 0.053 (3) | −0.001 (3) | 0.014 (3) | −0.004 (3) |
C9 | 0.041 (3) | 0.036 (3) | 0.044 (3) | 0.002 (3) | 0.004 (3) | 0.001 (3) |
C10 | 0.038 (3) | 0.042 (3) | 0.047 (3) | 0.002 (3) | 0.004 (2) | −0.005 (3) |
C11 | 0.034 (3) | 0.045 (3) | 0.054 (3) | 0.000 (3) | 0.011 (2) | −0.004 (3) |
C12 | 0.042 (3) | 0.043 (3) | 0.059 (3) | −0.002 (3) | 0.015 (3) | −0.007 (3) |
C13 | 0.064 (4) | 0.050 (4) | 0.058 (4) | −0.003 (3) | 0.025 (3) | −0.018 (3) |
C14 | 0.064 (4) | 0.065 (4) | 0.057 (4) | −0.011 (3) | 0.028 (3) | −0.013 (3) |
C15 | 0.059 (4) | 0.049 (4) | 0.053 (4) | −0.020 (3) | 0.013 (3) | −0.011 (3) |
C16 | 0.134 (7) | 0.033 (4) | 0.055 (5) | −0.025 (4) | −0.021 (5) | 0.008 (3) |
C17 | 0.075 (4) | 0.049 (4) | 0.044 (4) | −0.025 (3) | −0.002 (3) | 0.003 (3) |
C18 | 0.096 (5) | 0.069 (5) | 0.048 (4) | −0.043 (4) | −0.002 (4) | −0.001 (3) |
C19 | 0.151 (8) | 0.114 (7) | 0.050 (5) | −0.074 (6) | 0.016 (5) | −0.008 (5) |
C20 | 0.235 (15) | 0.115 (9) | 0.052 (6) | −0.108 (10) | 0.002 (7) | 0.018 (5) |
C21 | 0.219 (12) | 0.061 (5) | 0.063 (6) | −0.039 (7) | −0.034 (6) | 0.020 (5) |
C22 | 0.175 (8) | 0.067 (5) | 0.120 (6) | 0.046 (5) | −0.082 (6) | −0.020 (4) |
C23 | 0.054 (4) | 0.042 (3) | 0.054 (4) | −0.001 (3) | 0.002 (3) | 0.001 (3) |
C24 | 0.038 (3) | 0.041 (3) | 0.047 (3) | −0.001 (3) | 0.001 (3) | −0.004 (3) |
C25 | 0.040 (3) | 0.042 (3) | 0.041 (3) | −0.006 (3) | 0.002 (2) | −0.001 (3) |
C26 | 0.040 (3) | 0.048 (3) | 0.035 (3) | 0.000 (3) | 0.000 (2) | −0.003 (3) |
C27 | 0.050 (3) | 0.038 (3) | 0.042 (3) | 0.002 (3) | 0.005 (3) | −0.002 (3) |
C28 | 0.051 (4) | 0.057 (4) | 0.062 (4) | −0.004 (3) | 0.018 (3) | 0.010 (3) |
C29 | 0.043 (3) | 0.061 (4) | 0.071 (4) | 0.003 (3) | 0.022 (3) | 0.005 (3) |
C30 | 0.038 (3) | 0.046 (3) | 0.052 (3) | 0.009 (3) | 0.005 (3) | 0.000 (3) |
C31 | 0.093 (6) | 0.077 (6) | 0.357 (15) | −0.022 (5) | 0.076 (8) | −0.013 (8) |
Br1—C5 | 1.893 (5) | C10—C11 | 1.389 (6) |
Br2—C19 | 1.879 (9) | C11—C12 | 1.382 (6) |
O1—C2 | 1.342 (6) | C11—H11 | 0.9300 |
O1—C7 | 1.423 (6) | C12—C13 | 1.372 (7) |
O2—C9 | 1.230 (5) | C13—C14 | 1.360 (7) |
O3—C12 | 1.360 (5) | C13—H13 | 0.9300 |
O3—H3 | 0.8200 | C14—C15 | 1.387 (7) |
O4—C16 | 1.336 (8) | C14—H14 | 0.9300 |
O4—C22 | 1.452 (6) | C15—H15 | 0.9300 |
O5—C24 | 1.233 (5) | C16—C21 | 1.384 (9) |
O6—C27 | 1.363 (5) | C16—C17 | 1.413 (8) |
O6—H6 | 0.8200 | C17—C18 | 1.374 (8) |
O7—C31 | 1.335 (7) | C17—C23 | 1.456 (7) |
O7—H7 | 0.8200 | C18—C19 | 1.370 (9) |
N1—C8 | 1.276 (5) | C18—H18 | 0.9300 |
N1—N2 | 1.379 (5) | C19—C20 | 1.401 (12) |
N2—C9 | 1.346 (6) | C20—C21 | 1.335 (12) |
N2—H2 | 0.894 (10) | C20—H20 | 0.9300 |
N3—C23 | 1.290 (6) | C21—H21 | 0.9300 |
N3—N4 | 1.369 (5) | C22—H22A | 0.9600 |
N4—C24 | 1.347 (6) | C22—H22B | 0.9600 |
N4—H4A | 0.902 (10) | C22—H22C | 0.9600 |
C1—C6 | 1.384 (7) | C23—H23 | 0.9300 |
C1—C2 | 1.411 (7) | C24—C25 | 1.484 (6) |
C1—C8 | 1.465 (7) | C25—C30 | 1.377 (6) |
C2—C3 | 1.380 (7) | C25—C26 | 1.393 (6) |
C3—C4 | 1.374 (7) | C26—C27 | 1.380 (6) |
C3—H3A | 0.9300 | C26—H26 | 0.9300 |
C4—C5 | 1.361 (7) | C27—C28 | 1.371 (7) |
C4—H4 | 0.9300 | C28—C29 | 1.374 (7) |
C5—C6 | 1.380 (7) | C28—H28 | 0.9300 |
C6—H6A | 0.9300 | C29—C30 | 1.382 (6) |
C7—H7A | 0.9600 | C29—H29 | 0.9300 |
C7—H7B | 0.9600 | C30—H30 | 0.9300 |
C7—H7C | 0.9600 | C31—H31A | 0.9600 |
C8—H8 | 0.9300 | C31—H31B | 0.9600 |
C9—C10 | 1.489 (6) | C31—H31C | 0.9600 |
C10—C15 | 1.379 (6) | ||
C2—O1—C7 | 117.8 (4) | C10—C15—C14 | 119.2 (5) |
C12—O3—H3 | 109.5 | C10—C15—H15 | 120.4 |
C16—O4—C22 | 118.1 (6) | C14—C15—H15 | 120.4 |
C27—O6—H6 | 109.5 | O4—C16—C21 | 127.1 (8) |
C31—O7—H7 | 109.5 | O4—C16—C17 | 115.0 (6) |
C8—N1—N2 | 114.9 (4) | C21—C16—C17 | 117.8 (8) |
C9—N2—N1 | 117.3 (4) | C18—C17—C16 | 119.7 (6) |
C9—N2—H2 | 126 (3) | C18—C17—C23 | 122.3 (6) |
N1—N2—H2 | 116 (3) | C16—C17—C23 | 117.9 (6) |
C23—N3—N4 | 114.1 (4) | C19—C18—C17 | 121.2 (7) |
C24—N4—N3 | 119.1 (4) | C19—C18—H18 | 119.4 |
C24—N4—H4A | 123 (3) | C17—C18—H18 | 119.4 |
N3—N4—H4A | 115 (3) | C18—C19—C20 | 118.5 (9) |
C6—C1—C2 | 119.1 (5) | C18—C19—Br2 | 120.6 (8) |
C6—C1—C8 | 120.9 (5) | C20—C19—Br2 | 120.8 (7) |
C2—C1—C8 | 119.9 (5) | C21—C20—C19 | 120.8 (9) |
O1—C2—C3 | 125.8 (5) | C21—C20—H20 | 119.6 |
O1—C2—C1 | 115.2 (5) | C19—C20—H20 | 119.6 |
C3—C2—C1 | 119.1 (5) | C20—C21—C16 | 121.9 (10) |
C4—C3—C2 | 120.9 (5) | C20—C21—H21 | 119.0 |
C4—C3—H3A | 119.5 | C16—C21—H21 | 119.0 |
C2—C3—H3A | 119.5 | O4—C22—H22A | 109.5 |
C5—C4—C3 | 119.9 (5) | O4—C22—H22B | 109.5 |
C5—C4—H4 | 120.1 | H22A—C22—H22B | 109.5 |
C3—C4—H4 | 120.1 | O4—C22—H22C | 109.5 |
C4—C5—C6 | 121.0 (5) | H22A—C22—H22C | 109.5 |
C4—C5—Br1 | 119.8 (4) | H22B—C22—H22C | 109.5 |
C6—C5—Br1 | 119.2 (4) | N3—C23—C17 | 119.4 (5) |
C5—C6—C1 | 120.0 (5) | N3—C23—H23 | 120.3 |
C5—C6—H6A | 120.0 | C17—C23—H23 | 120.3 |
C1—C6—H6A | 120.0 | O5—C24—N4 | 122.0 (5) |
O1—C7—H7A | 109.5 | O5—C24—C25 | 122.1 (5) |
O1—C7—H7B | 109.5 | N4—C24—C25 | 116.0 (5) |
H7A—C7—H7B | 109.5 | C30—C25—C26 | 119.9 (5) |
O1—C7—H7C | 109.5 | C30—C25—C24 | 122.8 (5) |
H7A—C7—H7C | 109.5 | C26—C25—C24 | 117.4 (4) |
H7B—C7—H7C | 109.5 | C27—C26—C25 | 119.6 (5) |
N1—C8—C1 | 121.7 (5) | C27—C26—H26 | 120.2 |
N1—C8—H8 | 119.2 | C25—C26—H26 | 120.2 |
C1—C8—H8 | 119.2 | O6—C27—C28 | 116.3 (5) |
O2—C9—N2 | 121.6 (5) | O6—C27—C26 | 123.3 (5) |
O2—C9—C10 | 121.7 (5) | C28—C27—C26 | 120.4 (5) |
N2—C9—C10 | 116.7 (4) | C27—C28—C29 | 120.0 (5) |
C15—C10—C11 | 119.9 (4) | C27—C28—H28 | 120.0 |
C15—C10—C9 | 122.5 (5) | C29—C28—H28 | 120.0 |
C11—C10—C9 | 117.5 (4) | C28—C29—C30 | 120.4 (5) |
C12—C11—C10 | 119.8 (5) | C28—C29—H29 | 119.8 |
C12—C11—H11 | 120.1 | C30—C29—H29 | 119.8 |
C10—C11—H11 | 120.1 | C25—C30—C29 | 119.7 (5) |
O3—C12—C13 | 117.0 (5) | C25—C30—H30 | 120.1 |
O3—C12—C11 | 123.1 (5) | C29—C30—H30 | 120.1 |
C13—C12—C11 | 119.9 (5) | O7—C31—H31A | 109.5 |
C14—C13—C12 | 120.3 (5) | O7—C31—H31B | 109.5 |
C14—C13—H13 | 119.8 | H31A—C31—H31B | 109.5 |
C12—C13—H13 | 119.8 | O7—C31—H31C | 109.5 |
C13—C14—C15 | 120.8 (5) | H31A—C31—H31C | 109.5 |
C13—C14—H14 | 119.6 | H31B—C31—H31C | 109.5 |
C15—C14—H14 | 119.6 |
D—H···A | D—H | H···A | D···A | D—H···A |
N4—H4A···O2i | 0.90 (1) | 2.05 (2) | 2.923 (5) | 164 (5) |
N2—H2···O7i | 0.89 (1) | 1.98 (1) | 2.866 (5) | 173 (5) |
O7—H7···O3 | 0.82 | 1.96 | 2.737 (5) | 157 |
O6—H6···N1ii | 0.82 | 2.48 | 3.140 (5) | 138 |
O6—H6···O2ii | 0.82 | 2.06 | 2.777 (5) | 146 |
O3—H3···N3iii | 0.82 | 2.64 | 3.110 (6) | 118 |
O3—H3···O5iii | 0.82 | 1.92 | 2.692 (5) | 157 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) x−1, y+1, z; (iii) x+1, y, z. |
Experimental details
Crystal data | |
Chemical formula | C15H13BrN2O3·0.5CH4O |
Mr | 365.21 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 298 |
a, b, c (Å) | 12.906 (2), 11.177 (2), 22.607 (3) |
β (°) | 93.706 (3) |
V (Å3) | 3254.3 (9) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 2.54 |
Crystal size (mm) | 0.20 × 0.18 × 0.17 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.630, 0.672 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 21623, 6725, 2610 |
Rint | 0.104 |
(sin θ/λ)max (Å−1) | 0.628 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.061, 0.170, 0.98 |
No. of reflections | 6725 |
No. of parameters | 409 |
No. of restraints | 2 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.51, −0.47 |
Computer programs: SMART (Bruker, 2007), SAINT (Bruker, 2007), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N4—H4A···O2i | 0.902 (10) | 2.045 (18) | 2.923 (5) | 164 (5) |
N2—H2···O7i | 0.894 (10) | 1.977 (13) | 2.866 (5) | 173 (5) |
O7—H7···O3 | 0.82 | 1.96 | 2.737 (5) | 156.8 |
O6—H6···N1ii | 0.82 | 2.48 | 3.140 (5) | 138.0 |
O6—H6···O2ii | 0.82 | 2.06 | 2.777 (5) | 146.4 |
O3—H3···N3iii | 0.82 | 2.64 | 3.110 (6) | 118.4 |
O3—H3···O5iii | 0.82 | 1.92 | 2.692 (5) | 157.4 |
Symmetry codes: (i) −x+1, −y+1, −z+1; (ii) x−1, y+1, z; (iii) x+1, y, z. |
Acknowledgements
The author thanks Kaili College for financial support.
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.
Recently, we have reported two metal complexes with Schiff base ligands (Zhou & Tang, 2007; Zhou & Xiao, 2007). We report herein the crystal structure of the title Schiff base compound (I), Fig. 1.
The asymmetric unit of (I) consists of two Schiff base molecules and a methanol molecule of crystallization. The dihedral angles are 23.8 (2) ° and 18.6 (2) °, respectively, between the benzene rings (C1-C6) and (C10-C15) for molecule A, and (C16-C21), (C25-C3015) for molecule B. All the bond values are comparable to the similar compounds (Ali et al., 2007; Nie, 2008; He, 2008; Butcher et al., 2007; Jing & Yu, 2007).
In the crystal structure, molecules are linked through intermolecular N–H···O, O–H···O and O—H···N hydrogen bonds (Table 1) to form a three-dimensional network (Fig. 2).