organic compounds
N′-(3-Bromo-5-chloro-2-hydroxybenzylidene)-2H-1,3-benzodioxole-5-carbohydrazide
aSchool of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, People's Republic of China
*Correspondence e-mail: hongyan_ban@163.com
The 15H10BrClN2O4, contains two independent molecules. The dihedral angles between the benzene rings are 38.7 (3)° in one molecule and 24.3 (3)° in the other. Both molecules exist in trans conformations with respect to the C=N double bonds of the central methylidene units. Intramolecular O—H⋯N contacts are observed in both molecules, forming S(6) rings. In the crystal, molecules are linked through N—H⋯O hydrogen bonds into chains along the a axis.
of the title hydrazone compound, CRelated literature
For the biological activity of et al. (2007); Raj et al. (2007); Jimenez-Pulido et al. (2008). For related structures, see: Ban (2010); Ban & Li (2008a,b); Li & Ban (2009a,b); Yehye et al. (2008); Fun et al. (2008a,b); Yang et al. (2008); Ejsmont et al. (2008); Yang (2006). For hydrogen-bond motifs, see: Bernstein et al. (1995).
see: ZhongExperimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 1998); cell SAINT (Bruker, 1998); data reduction: SAINT; 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.
Supporting information
10.1107/S160053681201433X/sj5231sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681201433X/sj5231Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681201433X/sj5231Isup3.cml
The title compound was prepared by refluxing 3-bromo-5-chlorosalicylaldehyde (1.0 mol, 0.23 g) with [3,4]dioxolebenzohydrazide (1.0 mol, 0.18 g) in methanol (50 ml). Excess methanol was removed from the mixture by distillation. A colourless solid product was filtered, and washed three times with methanol. Colourless block-shaped crystals of the title compound were obtained from a methanol solution of the compound by slow evaporation in air.
Atoms H2 and H4A were located in a difference Fourier map and refined isotropically, with the N—H distances restrained to 0.90 (1) Å. The remaining H atoms were placed in calculated positions (C—H = 0.93–0.97 Å, O—H = 0.82 Å) and refined as riding with Uiso(H) = 1.2Ueq(C) and 1.5 Ueq(O). The structure contains solvent accessible voids of 78 Å3, which might accommodate a disordered methanol molecule. However, the effect of the presence of additional solvent was not investigated further.
Data collection: SMART (Bruker, 1998); cell
SAINT (Bruker, 1998); data reduction: SAINT (Bruker, 1998); 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).C15H10BrClN2O4 | Z = 4 |
Mr = 397.61 | F(000) = 792 |
Triclinic, P1 | Dx = 1.679 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 9.769 (2) Å | Cell parameters from 2572 reflections |
b = 13.041 (3) Å | θ = 2.5–25.0° |
c = 13.251 (3) Å | µ = 2.80 mm−1 |
α = 75.558 (2)° | T = 298 K |
β = 78.745 (2)° | Block, colourless |
γ = 76.527 (2)° | 0.12 × 0.10 × 0.10 mm |
V = 1572.9 (6) Å3 |
Bruker SMART CCD area-detector diffractometer | 5662 independent reflections |
Radiation source: fine-focus sealed tube | 3817 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.019 |
ω scans | θmax = 25.5°, θmin = 3.6° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −11→11 |
Tmin = 0.730, Tmax = 0.767 | k = −15→14 |
8062 measured reflections | l = −16→15 |
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)] = 0.048 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.137 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0804P)2] where P = (Fo2 + 2Fc2)/3 |
5662 reflections | (Δ/σ)max = 0.001 |
423 parameters | Δρmax = 1.23 e Å−3 |
2 restraints | Δρmin = −0.40 e Å−3 |
C15H10BrClN2O4 | γ = 76.527 (2)° |
Mr = 397.61 | V = 1572.9 (6) Å3 |
Triclinic, P1 | Z = 4 |
a = 9.769 (2) Å | Mo Kα radiation |
b = 13.041 (3) Å | µ = 2.80 mm−1 |
c = 13.251 (3) Å | T = 298 K |
α = 75.558 (2)° | 0.12 × 0.10 × 0.10 mm |
β = 78.745 (2)° |
Bruker SMART CCD area-detector diffractometer | 5662 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 3817 reflections with I > 2σ(I) |
Tmin = 0.730, Tmax = 0.767 | Rint = 0.019 |
8062 measured reflections |
R[F2 > 2σ(F2)] = 0.048 | 2 restraints |
wR(F2) = 0.137 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.01 | Δρmax = 1.23 e Å−3 |
5662 reflections | Δρmin = −0.40 e Å−3 |
423 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 | −0.32727 (5) | 0.72347 (4) | 1.11304 (4) | 0.0705 (2) | |
Br2 | 0.88064 (7) | −0.00317 (5) | 0.23324 (6) | 0.0941 (3) | |
Cl1 | 0.21177 (17) | 0.81156 (13) | 1.05109 (10) | 0.0840 (4) | |
Cl2 | 0.35756 (17) | 0.02462 (10) | 0.11594 (10) | 0.0753 (4) | |
N1 | 0.0059 (3) | 0.5383 (2) | 0.8013 (2) | 0.0388 (7) | |
N2 | 0.0549 (3) | 0.4803 (2) | 0.7245 (2) | 0.0388 (7) | |
N3 | 0.5226 (3) | 0.3717 (2) | 0.3015 (2) | 0.0395 (7) | |
N4 | 0.4588 (3) | 0.4720 (2) | 0.3202 (3) | 0.0404 (7) | |
O1 | −0.1949 (3) | 0.6081 (2) | 0.9379 (2) | 0.0517 (7) | |
H1 | −0.1559 | 0.5706 | 0.8951 | 0.078* | |
O2 | −0.1698 (3) | 0.4846 (2) | 0.7053 (2) | 0.0543 (7) | |
O3 | 0.7314 (3) | 0.2028 (2) | 0.2949 (2) | 0.0504 (7) | |
H3 | 0.6932 | 0.2628 | 0.3057 | 0.076* | |
O4 | 0.6578 (3) | 0.4993 (2) | 0.3652 (2) | 0.0463 (6) | |
O5 | −0.0839 (3) | 0.2765 (2) | 0.4030 (2) | 0.0548 (7) | |
O6 | 0.1385 (3) | 0.1716 (2) | 0.4079 (3) | 0.0657 (9) | |
O7 | 0.4445 (3) | 0.8606 (2) | 0.4909 (2) | 0.0552 (8) | |
O8 | 0.2603 (3) | 0.9451 (2) | 0.3952 (3) | 0.0622 (8) | |
C1 | 0.0423 (4) | 0.6396 (3) | 0.9147 (3) | 0.0409 (9) | |
C2 | −0.0981 (4) | 0.6516 (3) | 0.9635 (3) | 0.0407 (9) | |
C3 | −0.1388 (5) | 0.7108 (3) | 1.0418 (3) | 0.0486 (10) | |
C4 | −0.0453 (5) | 0.7608 (3) | 1.0691 (3) | 0.0576 (11) | |
H4 | −0.0752 | 0.8024 | 1.1199 | 0.069* | |
C5 | 0.0917 (6) | 0.7474 (4) | 1.0197 (3) | 0.0557 (11) | |
C6 | 0.1375 (5) | 0.6876 (3) | 0.9435 (3) | 0.0492 (10) | |
H6 | 0.2318 | 0.6793 | 0.9113 | 0.059* | |
C7 | 0.0940 (4) | 0.5775 (3) | 0.8325 (3) | 0.0389 (8) | |
H7 | 0.1896 | 0.5668 | 0.8035 | 0.047* | |
C8 | −0.0431 (4) | 0.4514 (3) | 0.6826 (3) | 0.0374 (8) | |
C9 | 0.0141 (4) | 0.3772 (3) | 0.6091 (3) | 0.0375 (8) | |
C10 | −0.0726 (4) | 0.3719 (3) | 0.5385 (3) | 0.0378 (8) | |
H10 | −0.1616 | 0.4166 | 0.5342 | 0.045* | |
C11 | −0.0211 (4) | 0.2988 (3) | 0.4768 (3) | 0.0383 (8) | |
C12 | 0.1124 (4) | 0.2353 (3) | 0.4811 (3) | 0.0481 (10) | |
C13 | 0.1984 (5) | 0.2380 (4) | 0.5486 (4) | 0.0615 (13) | |
H13 | 0.2874 | 0.1931 | 0.5513 | 0.074* | |
C14 | 0.1469 (4) | 0.3115 (3) | 0.6138 (3) | 0.0511 (10) | |
H14 | 0.2027 | 0.3164 | 0.6612 | 0.061* | |
C15 | 0.0072 (5) | 0.1843 (4) | 0.3712 (4) | 0.0587 (12) | |
H15A | −0.0344 | 0.1207 | 0.4013 | 0.070* | |
H15B | 0.0218 | 0.1947 | 0.2950 | 0.070* | |
C16 | 0.5024 (4) | 0.2181 (3) | 0.2431 (3) | 0.0416 (9) | |
C17 | 0.6426 (4) | 0.1645 (3) | 0.2551 (3) | 0.0420 (9) | |
C18 | 0.6890 (5) | 0.0671 (3) | 0.2240 (3) | 0.0537 (11) | |
C19 | 0.6042 (6) | 0.0232 (3) | 0.1819 (4) | 0.0625 (12) | |
H19 | 0.6384 | −0.0424 | 0.1613 | 0.075* | |
C20 | 0.4687 (5) | 0.0778 (3) | 0.1709 (3) | 0.0518 (10) | |
C21 | 0.4175 (5) | 0.1738 (3) | 0.2008 (3) | 0.0486 (10) | |
H21 | 0.3248 | 0.2097 | 0.1928 | 0.058* | |
C22 | 0.4453 (4) | 0.3235 (3) | 0.2702 (3) | 0.0432 (9) | |
H22 | 0.3508 | 0.3557 | 0.2645 | 0.052* | |
C23 | 0.5344 (4) | 0.5333 (3) | 0.3475 (3) | 0.0359 (8) | |
C24 | 0.4563 (4) | 0.6435 (3) | 0.3554 (3) | 0.0339 (8) | |
C25 | 0.4952 (4) | 0.6931 (3) | 0.4253 (3) | 0.0376 (8) | |
H25 | 0.5668 | 0.6581 | 0.4661 | 0.045* | |
C26 | 0.4240 (4) | 0.7935 (3) | 0.4306 (3) | 0.0395 (9) | |
C27 | 0.3156 (4) | 0.8472 (3) | 0.3720 (3) | 0.0416 (9) | |
C28 | 0.2767 (4) | 0.8009 (3) | 0.3039 (3) | 0.0453 (9) | |
H28 | 0.2038 | 0.8368 | 0.2646 | 0.054* | |
C29 | 0.3496 (4) | 0.6983 (3) | 0.2953 (3) | 0.0411 (9) | |
H29 | 0.3265 | 0.6652 | 0.2480 | 0.049* | |
C30 | 0.3443 (5) | 0.9591 (3) | 0.4641 (4) | 0.0557 (11) | |
H30A | 0.2843 | 0.9769 | 0.5273 | 0.067* | |
H30B | 0.3942 | 1.0177 | 0.4303 | 0.067* | |
H2 | 0.146 (2) | 0.472 (4) | 0.693 (4) | 0.080* | |
H4A | 0.3647 (15) | 0.492 (4) | 0.319 (4) | 0.080* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br1 | 0.0662 (3) | 0.0716 (3) | 0.0670 (3) | −0.0066 (2) | 0.0176 (2) | −0.0304 (2) |
Br2 | 0.0815 (4) | 0.0707 (4) | 0.1334 (5) | 0.0298 (3) | −0.0303 (4) | −0.0577 (4) |
Cl1 | 0.1060 (11) | 0.1103 (11) | 0.0655 (7) | −0.0541 (9) | −0.0172 (7) | −0.0390 (7) |
Cl2 | 0.1106 (11) | 0.0657 (8) | 0.0708 (7) | −0.0447 (7) | −0.0206 (7) | −0.0219 (6) |
N1 | 0.0374 (17) | 0.0426 (17) | 0.0378 (16) | −0.0042 (14) | −0.0025 (13) | −0.0166 (14) |
N2 | 0.0320 (16) | 0.0453 (18) | 0.0431 (17) | −0.0064 (14) | 0.0003 (13) | −0.0223 (14) |
N3 | 0.0398 (17) | 0.0308 (16) | 0.0480 (17) | 0.0007 (13) | −0.0049 (14) | −0.0172 (14) |
N4 | 0.0302 (16) | 0.0333 (16) | 0.0592 (19) | −0.0001 (13) | −0.0061 (14) | −0.0186 (14) |
O1 | 0.0400 (15) | 0.0580 (18) | 0.0614 (18) | −0.0081 (13) | −0.0004 (13) | −0.0270 (14) |
O2 | 0.0298 (14) | 0.0656 (18) | 0.0775 (19) | −0.0028 (13) | −0.0023 (13) | −0.0440 (16) |
O3 | 0.0434 (16) | 0.0454 (16) | 0.0669 (17) | 0.0004 (12) | −0.0123 (13) | −0.0256 (14) |
O4 | 0.0269 (14) | 0.0460 (15) | 0.0688 (17) | −0.0012 (11) | −0.0088 (12) | −0.0211 (13) |
O5 | 0.0484 (16) | 0.0596 (18) | 0.0627 (17) | 0.0092 (14) | −0.0202 (14) | −0.0336 (15) |
O6 | 0.0516 (18) | 0.0624 (19) | 0.098 (2) | 0.0120 (15) | −0.0205 (16) | −0.0581 (18) |
O7 | 0.0619 (18) | 0.0482 (16) | 0.0630 (17) | 0.0101 (14) | −0.0245 (15) | −0.0329 (14) |
O8 | 0.066 (2) | 0.0450 (16) | 0.082 (2) | 0.0141 (14) | −0.0274 (16) | −0.0353 (15) |
C1 | 0.046 (2) | 0.042 (2) | 0.0371 (19) | −0.0084 (17) | −0.0055 (16) | −0.0121 (16) |
C2 | 0.048 (2) | 0.036 (2) | 0.041 (2) | −0.0087 (17) | −0.0067 (17) | −0.0116 (16) |
C3 | 0.058 (3) | 0.042 (2) | 0.041 (2) | −0.0035 (19) | −0.0014 (18) | −0.0106 (18) |
C4 | 0.085 (3) | 0.052 (3) | 0.040 (2) | −0.021 (2) | 0.000 (2) | −0.0193 (19) |
C5 | 0.081 (3) | 0.060 (3) | 0.037 (2) | −0.025 (2) | −0.015 (2) | −0.0151 (19) |
C6 | 0.056 (3) | 0.055 (2) | 0.042 (2) | −0.017 (2) | −0.0079 (18) | −0.0140 (19) |
C7 | 0.0341 (19) | 0.045 (2) | 0.0378 (19) | −0.0039 (17) | −0.0038 (15) | −0.0134 (17) |
C8 | 0.0309 (19) | 0.040 (2) | 0.043 (2) | −0.0047 (16) | −0.0042 (15) | −0.0152 (16) |
C9 | 0.0297 (18) | 0.0350 (19) | 0.050 (2) | −0.0051 (15) | −0.0019 (16) | −0.0168 (16) |
C10 | 0.0310 (18) | 0.040 (2) | 0.0422 (19) | −0.0004 (16) | −0.0045 (15) | −0.0155 (16) |
C11 | 0.0341 (19) | 0.041 (2) | 0.0406 (19) | −0.0023 (16) | −0.0057 (15) | −0.0144 (16) |
C12 | 0.040 (2) | 0.042 (2) | 0.068 (3) | 0.0003 (18) | −0.0067 (19) | −0.031 (2) |
C13 | 0.042 (2) | 0.053 (3) | 0.102 (4) | 0.014 (2) | −0.026 (2) | −0.047 (3) |
C14 | 0.039 (2) | 0.051 (2) | 0.072 (3) | 0.0023 (18) | −0.022 (2) | −0.030 (2) |
C15 | 0.058 (3) | 0.053 (3) | 0.072 (3) | 0.007 (2) | −0.019 (2) | −0.037 (2) |
C16 | 0.046 (2) | 0.036 (2) | 0.045 (2) | −0.0074 (17) | −0.0051 (17) | −0.0129 (16) |
C17 | 0.049 (2) | 0.036 (2) | 0.042 (2) | −0.0043 (17) | −0.0066 (17) | −0.0146 (17) |
C18 | 0.063 (3) | 0.042 (2) | 0.054 (2) | 0.004 (2) | −0.011 (2) | −0.0182 (19) |
C19 | 0.086 (4) | 0.040 (2) | 0.064 (3) | −0.005 (2) | −0.008 (2) | −0.023 (2) |
C20 | 0.073 (3) | 0.041 (2) | 0.049 (2) | −0.021 (2) | −0.008 (2) | −0.0163 (19) |
C21 | 0.049 (2) | 0.045 (2) | 0.056 (2) | −0.0101 (19) | −0.0122 (19) | −0.0141 (19) |
C22 | 0.037 (2) | 0.039 (2) | 0.057 (2) | −0.0028 (17) | −0.0084 (17) | −0.0186 (18) |
C23 | 0.033 (2) | 0.0370 (19) | 0.0387 (19) | −0.0071 (16) | 0.0000 (15) | −0.0133 (16) |
C24 | 0.0285 (18) | 0.0319 (18) | 0.0411 (19) | −0.0044 (14) | −0.0017 (15) | −0.0112 (15) |
C25 | 0.0328 (19) | 0.039 (2) | 0.0391 (19) | 0.0005 (16) | −0.0055 (15) | −0.0121 (16) |
C26 | 0.039 (2) | 0.043 (2) | 0.0391 (19) | −0.0039 (17) | −0.0061 (16) | −0.0171 (17) |
C27 | 0.041 (2) | 0.033 (2) | 0.050 (2) | 0.0025 (16) | −0.0072 (17) | −0.0157 (17) |
C28 | 0.046 (2) | 0.040 (2) | 0.053 (2) | −0.0036 (18) | −0.0173 (18) | −0.0127 (18) |
C29 | 0.042 (2) | 0.036 (2) | 0.051 (2) | −0.0074 (16) | −0.0118 (18) | −0.0136 (17) |
C30 | 0.064 (3) | 0.046 (2) | 0.062 (3) | 0.008 (2) | −0.019 (2) | −0.031 (2) |
Br1—C3 | 1.888 (4) | C7—H7 | 0.9300 |
Br2—C18 | 1.896 (4) | C8—C9 | 1.484 (5) |
Cl1—C5 | 1.752 (5) | C9—C14 | 1.381 (5) |
Cl2—C20 | 1.761 (4) | C9—C10 | 1.403 (5) |
N1—C7 | 1.274 (5) | C10—C11 | 1.354 (5) |
N1—N2 | 1.365 (4) | C10—H10 | 0.9300 |
N2—C8 | 1.359 (5) | C11—C12 | 1.376 (5) |
N2—H2 | 0.899 (10) | C12—C13 | 1.352 (6) |
N3—C22 | 1.268 (5) | C13—C14 | 1.392 (6) |
N3—N4 | 1.372 (4) | C13—H13 | 0.9300 |
N4—C23 | 1.355 (5) | C14—H14 | 0.9300 |
N4—H4A | 0.898 (10) | C15—H15A | 0.9700 |
O1—C2 | 1.343 (5) | C15—H15B | 0.9700 |
O1—H1 | 0.8200 | C16—C21 | 1.379 (5) |
O2—C8 | 1.216 (4) | C16—C17 | 1.405 (6) |
O3—C17 | 1.338 (5) | C16—C22 | 1.464 (5) |
O3—H3 | 0.8200 | C17—C18 | 1.381 (5) |
O4—C23 | 1.231 (4) | C18—C19 | 1.373 (6) |
O5—C11 | 1.370 (4) | C19—C20 | 1.365 (7) |
O5—C15 | 1.422 (5) | C19—H19 | 0.9300 |
O6—C12 | 1.379 (4) | C20—C21 | 1.362 (6) |
O6—C15 | 1.419 (5) | C21—H21 | 0.9300 |
O7—C26 | 1.392 (4) | C22—H22 | 0.9300 |
O7—C30 | 1.434 (5) | C23—C24 | 1.481 (5) |
O8—C27 | 1.351 (4) | C24—C29 | 1.388 (5) |
O8—C30 | 1.410 (5) | C24—C25 | 1.405 (5) |
C1—C2 | 1.388 (5) | C25—C26 | 1.343 (5) |
C1—C6 | 1.390 (6) | C25—H25 | 0.9300 |
C1—C7 | 1.459 (5) | C26—C27 | 1.385 (5) |
C2—C3 | 1.389 (5) | C27—C28 | 1.355 (5) |
C3—C4 | 1.383 (6) | C28—C29 | 1.383 (5) |
C4—C5 | 1.363 (7) | C28—H28 | 0.9300 |
C4—H4 | 0.9300 | C29—H29 | 0.9300 |
C5—C6 | 1.372 (6) | C30—H30A | 0.9700 |
C6—H6 | 0.9300 | C30—H30B | 0.9700 |
C7—N1—N2 | 118.6 (3) | C13—C14—H14 | 119.6 |
C8—N2—N1 | 117.5 (3) | O6—C15—O5 | 107.1 (3) |
C8—N2—H2 | 120 (3) | O6—C15—H15A | 110.3 |
N1—N2—H2 | 121 (3) | O5—C15—H15A | 110.3 |
C22—N3—N4 | 115.6 (3) | O6—C15—H15B | 110.3 |
C23—N4—N3 | 120.5 (3) | O5—C15—H15B | 110.3 |
C23—N4—H4A | 122 (3) | H15A—C15—H15B | 108.6 |
N3—N4—H4A | 117 (3) | C21—C16—C17 | 120.1 (3) |
C2—O1—H1 | 109.5 | C21—C16—C22 | 118.5 (3) |
C17—O3—H3 | 109.5 | C17—C16—C22 | 121.3 (3) |
C11—O5—C15 | 105.9 (3) | O3—C17—C18 | 119.3 (4) |
C12—O6—C15 | 106.2 (3) | O3—C17—C16 | 123.4 (3) |
C26—O7—C30 | 105.0 (3) | C18—C17—C16 | 117.3 (4) |
C27—O8—C30 | 106.7 (3) | C19—C18—C17 | 122.5 (4) |
C2—C1—C6 | 120.0 (3) | C19—C18—Br2 | 119.5 (3) |
C2—C1—C7 | 121.7 (3) | C17—C18—Br2 | 117.9 (3) |
C6—C1—C7 | 118.3 (4) | C20—C19—C18 | 118.7 (4) |
O1—C2—C1 | 122.5 (3) | C20—C19—H19 | 120.7 |
O1—C2—C3 | 119.2 (4) | C18—C19—H19 | 120.7 |
C1—C2—C3 | 118.3 (4) | C21—C20—C19 | 121.2 (4) |
C4—C3—C2 | 121.9 (4) | C21—C20—Cl2 | 118.9 (4) |
C4—C3—Br1 | 119.1 (3) | C19—C20—Cl2 | 119.9 (3) |
C2—C3—Br1 | 119.0 (3) | C20—C21—C16 | 120.2 (4) |
C5—C4—C3 | 118.3 (4) | C20—C21—H21 | 119.9 |
C5—C4—H4 | 120.8 | C16—C21—H21 | 119.9 |
C3—C4—H4 | 120.8 | N3—C22—C16 | 121.1 (3) |
C4—C5—C6 | 121.8 (4) | N3—C22—H22 | 119.5 |
C4—C5—Cl1 | 119.3 (3) | C16—C22—H22 | 119.5 |
C6—C5—Cl1 | 118.8 (4) | O4—C23—N4 | 122.4 (3) |
C5—C6—C1 | 119.6 (4) | O4—C23—C24 | 122.8 (3) |
C5—C6—H6 | 120.2 | N4—C23—C24 | 114.7 (3) |
C1—C6—H6 | 120.2 | C29—C24—C25 | 120.1 (3) |
N1—C7—C1 | 118.8 (3) | C29—C24—C23 | 122.1 (3) |
N1—C7—H7 | 120.6 | C25—C24—C23 | 117.8 (3) |
C1—C7—H7 | 120.6 | C26—C25—C24 | 116.8 (3) |
O2—C8—N2 | 121.2 (3) | C26—C25—H25 | 121.6 |
O2—C8—C9 | 122.8 (3) | C24—C25—H25 | 121.6 |
N2—C8—C9 | 115.9 (3) | C25—C26—C27 | 123.0 (3) |
C14—C9—C10 | 121.0 (3) | C25—C26—O7 | 128.1 (3) |
C14—C9—C8 | 120.6 (3) | C27—C26—O7 | 108.9 (3) |
C10—C9—C8 | 118.3 (3) | O8—C27—C28 | 128.5 (3) |
C11—C10—C9 | 117.0 (3) | O8—C27—C26 | 110.4 (3) |
C11—C10—H10 | 121.5 | C28—C27—C26 | 121.1 (3) |
C9—C10—H10 | 121.5 | C27—C28—C29 | 117.4 (3) |
C10—C11—O5 | 128.8 (3) | C27—C28—H28 | 121.3 |
C10—C11—C12 | 121.2 (3) | C29—C28—H28 | 121.3 |
O5—C11—C12 | 109.9 (3) | C28—C29—C24 | 121.6 (3) |
C13—C12—C11 | 123.2 (3) | C28—C29—H29 | 119.2 |
C13—C12—O6 | 128.1 (3) | C24—C29—H29 | 119.2 |
C11—C12—O6 | 108.7 (3) | O8—C30—O7 | 108.6 (3) |
C12—C13—C14 | 116.6 (4) | O8—C30—H30A | 110.0 |
C12—C13—H13 | 121.7 | O7—C30—H30A | 110.0 |
C14—C13—H13 | 121.7 | O8—C30—H30B | 110.0 |
C9—C14—C13 | 120.9 (4) | O7—C30—H30B | 110.0 |
C9—C14—H14 | 119.6 | H30A—C30—H30B | 108.4 |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2···O4i | 0.90 (1) | 2.00 (2) | 2.872 (4) | 162 (5) |
O3—H3···N3 | 0.82 | 1.92 | 2.637 (4) | 145 |
O1—H1···N1 | 0.82 | 1.85 | 2.561 (4) | 145 |
Symmetry code: (i) −x+1, −y+1, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C15H10BrClN2O4 |
Mr | 397.61 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 298 |
a, b, c (Å) | 9.769 (2), 13.041 (3), 13.251 (3) |
α, β, γ (°) | 75.558 (2), 78.745 (2), 76.527 (2) |
V (Å3) | 1572.9 (6) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 2.80 |
Crystal size (mm) | 0.12 × 0.10 × 0.10 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.730, 0.767 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 8062, 5662, 3817 |
Rint | 0.019 |
(sin θ/λ)max (Å−1) | 0.606 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.048, 0.137, 1.01 |
No. of reflections | 5662 |
No. of parameters | 423 |
No. of restraints | 2 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 1.23, −0.40 |
Computer programs: SMART (Bruker, 1998), SAINT (Bruker, 1998), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2···O4i | 0.899 (10) | 2.00 (2) | 2.872 (4) | 162 (5) |
O3—H3···N3 | 0.82 | 1.92 | 2.637 (4) | 145.3 |
O1—H1···N1 | 0.82 | 1.85 | 2.561 (4) | 145.0 |
Symmetry code: (i) −x+1, −y+1, −z+1. |
Acknowledgements
The authors acknowledge the 7th issue of the Undergraduate's Research and Training Project of the University of Science and Technology Liaoning, and the Youth Foundation of the University of Science and Technology Liaoning (2010Y06).
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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.
Hydrazone compounds derived from the condensation of aldehydes with hydrazides have been demonstrated to possess excellent biological activities (Zhong et al., 2007; Raj et al., 2007; Jimenez-Pulido et al., 2008). Due to the easy synthesis of such compounds, a number of hydrazone compounds have been synthesized and structurally characterized (Yehye et al., 2008; Fun et al., 2008a,b; Yang et al., 2008; Ejsmont et al., 2008; Yang, 2006). Recently, we have reported several such compounds (Ban, 2010; Ban & Li, 2008a,b; Li & Ban, 2009a,b). We report here the crystal structure of the new title benzohydrazide derivative.
The asymmetric unit of the title hydrazone compound, Fig. 1, contains two independent molecules. The dihedral angles between the two benzene rings are 38.7 (3) and 24.3 (3)°, respectively. The molecules exist in trans configuration with respect to the central methylidene units. Intramolecular O1—H1···N1 and O3—H3···N3 contacts are observed forming S(6) rings (Bernstein et al., 1995). In the crystal structure, molecules are linked through intermolecular N—H···O hydrogen bonds (Table 1), forming chains along the a axis, Fig. 2.