organic compounds
E)-[(3,4-dichlorophenyl)imino]methyl}benzene-1,2-diol
of 3-{(aDepartment of Physics, University of Sargodha, Sargodha, Punjab, Pakistan, bDepartment of Chemistry, University of Sargodha, Sargodha, Pakistan, cDepartment of Chemistry, Chenab College, Jhang, Punjab, Pakistan, and dDrug Controller, Sir Ganga Ram Hospital, Lahore, Pakistan
*Correspondence e-mail: dmntahir_uos@yahoo.com
In the title Schiff base, C13H9Cl2NO2, which arose from the condensation of 3,4-dichloroaniline with 2,3-dihydroxybenzaldehyde, the dihedral angle between the aromatic rings is 44.74 (13)°. Intramolecular O—H⋯O and O—H⋯N hydrogen bonds close S(5) and S(6) rings, respectively. In the crystal, inversion dimers linked by pairs of O—H⋯O hydrogen bonds generate R22(10) loops. A weak C—H⋯π interaction is also observed.
Keywords: crystal structure; benzene-1,2-diol; Schiff base; hydrogen bonding.
CCDC reference: 1044861
1. Related literature
For related structures, see: Fun et al. (2011); Keleşoğlu et al. (2009); Shuja et al. (2006); Tahir et al. (2012); Temel et al. (2007).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON.
Supporting information
CCDC reference: 1044861
10.1107/S2056989015001401/hb7353sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S2056989015001401/hb7353Isup2.hkl
Supporting information file. DOI: 10.1107/S2056989015001401/hb7353Isup3.cml
Equimolar quantities of 3,4-dichloroanilline and 2,3-dihydroxybenzaldehyde were refluxed in methanol for 2 h. The resulting mixture was evaporated to grow crystals. Red prisms were obtained after 48 h.
The H-atoms were positioned geometrically (C–H = 0.93 Å, O—H = 0.82 Å) and refined as riding with Uiso(H) = xUeq(C, O), where x = 1.5 for hydroxy and x = 1.2 for other H-atoms.
Data collection: APEX2 (Bruker, 2007); cell
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, 2015); molecular graphics: ORTEP-3 for Windows (Farrugia, 2012) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 2012) and PLATON (Spek, 2009).Fig. 1. View of the title compound with displacement ellipsoids drawn at the 50% probability level. | |
Fig. 2. The partial packing (PLATON; Spek, 2009), which shows that molecules form dimers due to O—H···O interactions. |
C13H9Cl2NO2 | Z = 2 |
Mr = 282.11 | F(000) = 284 |
Triclinic, P1 | Dx = 1.533 Mg m−3 |
a = 6.4237 (8) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 8.8412 (11) Å | Cell parameters from 1866 reflections |
c = 11.7799 (15) Å | θ = 1.8–27.0° |
α = 88.606 (6)° | µ = 0.52 mm−1 |
β = 76.588 (6)° | T = 296 K |
γ = 70.193 (5)° | Prism, red |
V = 611.20 (13) Å3 | 0.34 × 0.26 × 0.20 mm |
Bruker Kappa APEXII CCD diffractometer | 2671 independent reflections |
Radiation source: fine-focus sealed tube | 1866 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.042 |
Detector resolution: 7.80 pixels mm-1 | θmax = 27.0°, θmin = 1.8° |
ω scans | h = −8→7 |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | k = −11→9 |
Tmin = 0.844, Tmax = 0.902 | l = −14→15 |
8896 measured reflections |
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)] = 0.052 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.164 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0781P)2 + 0.3755P] where P = (Fo2 + 2Fc2)/3 |
2671 reflections | (Δ/σ)max < 0.001 |
165 parameters | Δρmax = 0.33 e Å−3 |
0 restraints | Δρmin = −0.33 e Å−3 |
C13H9Cl2NO2 | γ = 70.193 (5)° |
Mr = 282.11 | V = 611.20 (13) Å3 |
Triclinic, P1 | Z = 2 |
a = 6.4237 (8) Å | Mo Kα radiation |
b = 8.8412 (11) Å | µ = 0.52 mm−1 |
c = 11.7799 (15) Å | T = 296 K |
α = 88.606 (6)° | 0.34 × 0.26 × 0.20 mm |
β = 76.588 (6)° |
Bruker Kappa APEXII CCD diffractometer | 2671 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 1866 reflections with I > 2σ(I) |
Tmin = 0.844, Tmax = 0.902 | Rint = 0.042 |
8896 measured reflections |
R[F2 > 2σ(F2)] = 0.052 | 0 restraints |
wR(F2) = 0.164 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.33 e Å−3 |
2671 reflections | Δρmin = −0.33 e Å−3 |
165 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 | ||
Cl1 | 0.24642 (15) | 0.26936 (10) | 0.01956 (8) | 0.0657 (3) | |
Cl2 | 0.73742 (15) | 0.11968 (10) | 0.06575 (9) | 0.0707 (3) | |
O1 | −0.2559 (3) | 0.9592 (2) | 0.38833 (19) | 0.0508 (5) | |
H1 | −0.1671 | 0.8794 | 0.3473 | 0.076* | |
O2 | −0.4973 (3) | 1.2453 (3) | 0.5138 (2) | 0.0594 (6) | |
H2 | −0.5353 | 1.1679 | 0.5037 | 0.089* | |
N1 | 0.1345 (4) | 0.7735 (3) | 0.2617 (2) | 0.0452 (6) | |
C1 | −0.1526 (5) | 1.0707 (3) | 0.3887 (2) | 0.0388 (6) | |
C2 | −0.2793 (5) | 1.2167 (3) | 0.4525 (2) | 0.0440 (6) | |
C3 | −0.1834 (5) | 1.3338 (3) | 0.4543 (2) | 0.0478 (7) | |
H3 | −0.2694 | 1.4313 | 0.4964 | 0.057* | |
C4 | 0.0401 (5) | 1.3083 (4) | 0.3943 (3) | 0.0516 (7) | |
H4 | 0.1030 | 1.3886 | 0.3954 | 0.062* | |
C5 | 0.1694 (5) | 1.1613 (4) | 0.3322 (3) | 0.0494 (7) | |
H5 | 0.3201 | 1.1427 | 0.2932 | 0.059* | |
C6 | 0.0738 (5) | 1.0419 (3) | 0.3285 (2) | 0.0409 (6) | |
C7 | 0.2124 (5) | 0.8875 (3) | 0.2674 (2) | 0.0440 (6) | |
H7 | 0.3638 | 0.8708 | 0.2309 | 0.053* | |
C8 | 0.2859 (5) | 0.6190 (3) | 0.2123 (2) | 0.0433 (6) | |
C9 | 0.2070 (5) | 0.5315 (3) | 0.1462 (2) | 0.0464 (7) | |
H9 | 0.0614 | 0.5751 | 0.1334 | 0.056* | |
C10 | 0.3479 (5) | 0.3784 (3) | 0.0998 (2) | 0.0447 (6) | |
C11 | 0.5634 (5) | 0.3123 (3) | 0.1205 (2) | 0.0471 (7) | |
C12 | 0.6396 (5) | 0.3969 (4) | 0.1879 (3) | 0.0490 (7) | |
H12 | 0.7834 | 0.3514 | 0.2027 | 0.059* | |
C13 | 0.5000 (5) | 0.5513 (3) | 0.2339 (2) | 0.0480 (7) | |
H13 | 0.5511 | 0.6091 | 0.2793 | 0.058* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0749 (6) | 0.0607 (5) | 0.0663 (5) | −0.0278 (4) | −0.0167 (4) | −0.0188 (4) |
Cl2 | 0.0675 (6) | 0.0459 (5) | 0.0815 (6) | −0.0049 (4) | −0.0040 (4) | −0.0243 (4) |
O1 | 0.0505 (11) | 0.0377 (10) | 0.0591 (13) | −0.0162 (9) | 0.0005 (9) | −0.0157 (9) |
O2 | 0.0502 (12) | 0.0463 (12) | 0.0765 (15) | −0.0184 (10) | 0.0001 (11) | −0.0216 (11) |
N1 | 0.0488 (13) | 0.0387 (12) | 0.0405 (12) | −0.0089 (10) | −0.0041 (10) | −0.0057 (10) |
C1 | 0.0451 (14) | 0.0348 (13) | 0.0361 (13) | −0.0133 (11) | −0.0086 (11) | −0.0023 (10) |
C2 | 0.0503 (16) | 0.0365 (14) | 0.0419 (14) | −0.0111 (12) | −0.0094 (12) | −0.0072 (11) |
C3 | 0.0619 (18) | 0.0362 (14) | 0.0423 (15) | −0.0117 (13) | −0.0133 (13) | −0.0077 (12) |
C4 | 0.067 (2) | 0.0455 (16) | 0.0519 (17) | −0.0291 (15) | −0.0173 (15) | 0.0016 (13) |
C5 | 0.0536 (17) | 0.0495 (16) | 0.0469 (16) | −0.0240 (14) | −0.0058 (13) | −0.0009 (13) |
C6 | 0.0489 (15) | 0.0346 (13) | 0.0355 (13) | −0.0114 (12) | −0.0070 (11) | −0.0001 (11) |
C7 | 0.0473 (15) | 0.0405 (14) | 0.0372 (14) | −0.0113 (12) | −0.0016 (11) | −0.0053 (11) |
C8 | 0.0508 (16) | 0.0365 (14) | 0.0359 (14) | −0.0124 (12) | −0.0007 (12) | −0.0059 (11) |
C9 | 0.0490 (16) | 0.0435 (15) | 0.0442 (15) | −0.0146 (13) | −0.0073 (12) | −0.0045 (12) |
C10 | 0.0531 (16) | 0.0436 (15) | 0.0373 (14) | −0.0198 (13) | −0.0051 (12) | −0.0047 (11) |
C11 | 0.0524 (16) | 0.0396 (14) | 0.0406 (15) | −0.0113 (13) | 0.0001 (12) | −0.0070 (12) |
C12 | 0.0469 (16) | 0.0486 (16) | 0.0463 (16) | −0.0102 (13) | −0.0094 (13) | −0.0060 (13) |
C13 | 0.0546 (17) | 0.0455 (16) | 0.0422 (15) | −0.0160 (13) | −0.0089 (13) | −0.0103 (12) |
Cl1—C10 | 1.733 (3) | C4—H4 | 0.9300 |
Cl2—C11 | 1.731 (3) | C5—C6 | 1.396 (4) |
O1—C1 | 1.363 (3) | C5—H5 | 0.9300 |
O1—H1 | 0.8200 | C6—C7 | 1.450 (4) |
O2—C2 | 1.359 (3) | C7—H7 | 0.9300 |
O2—H2 | 0.8200 | C8—C13 | 1.383 (4) |
N1—C7 | 1.277 (4) | C8—C9 | 1.392 (4) |
N1—C8 | 1.423 (3) | C9—C10 | 1.388 (4) |
C1—C2 | 1.394 (4) | C9—H9 | 0.9300 |
C1—C6 | 1.401 (4) | C10—C11 | 1.385 (4) |
C2—C3 | 1.375 (4) | C11—C12 | 1.373 (4) |
C3—C4 | 1.390 (4) | C12—C13 | 1.394 (4) |
C3—H3 | 0.9300 | C12—H12 | 0.9300 |
C4—C5 | 1.395 (4) | C13—H13 | 0.9300 |
C1—O1—H1 | 109.5 | N1—C7—C6 | 122.5 (3) |
C2—O2—H2 | 109.5 | N1—C7—H7 | 118.7 |
C7—N1—C8 | 119.6 (2) | C6—C7—H7 | 118.7 |
O1—C1—C2 | 117.8 (2) | C13—C8—C9 | 119.9 (2) |
O1—C1—C6 | 122.1 (2) | C13—C8—N1 | 122.1 (3) |
C2—C1—C6 | 120.1 (2) | C9—C8—N1 | 117.9 (3) |
O2—C2—C3 | 119.1 (2) | C10—C9—C8 | 119.3 (3) |
O2—C2—C1 | 120.9 (2) | C10—C9—H9 | 120.3 |
C3—C2—C1 | 120.0 (3) | C8—C9—H9 | 120.3 |
C2—C3—C4 | 120.9 (3) | C11—C10—C9 | 120.3 (3) |
C2—C3—H3 | 119.6 | C11—C10—Cl1 | 120.7 (2) |
C4—C3—H3 | 119.6 | C9—C10—Cl1 | 118.9 (2) |
C3—C4—C5 | 119.5 (3) | C12—C11—C10 | 120.5 (3) |
C3—C4—H4 | 120.3 | C12—C11—Cl2 | 118.9 (2) |
C5—C4—H4 | 120.3 | C10—C11—Cl2 | 120.6 (2) |
C4—C5—C6 | 120.3 (3) | C11—C12—C13 | 119.5 (3) |
C4—C5—H5 | 119.8 | C11—C12—H12 | 120.2 |
C6—C5—H5 | 119.8 | C13—C12—H12 | 120.2 |
C5—C6—C1 | 119.3 (2) | C8—C13—C12 | 120.4 (3) |
C5—C6—C7 | 119.8 (3) | C8—C13—H13 | 119.8 |
C1—C6—C7 | 120.9 (2) | C12—C13—H13 | 119.8 |
O1—C1—C2—O2 | 1.1 (4) | C1—C6—C7—N1 | 2.5 (4) |
C6—C1—C2—O2 | −178.3 (3) | C7—N1—C8—C13 | 40.5 (4) |
O1—C1—C2—C3 | −179.2 (3) | C7—N1—C8—C9 | −143.4 (3) |
C6—C1—C2—C3 | 1.4 (4) | C13—C8—C9—C10 | −1.9 (4) |
O2—C2—C3—C4 | 179.0 (3) | N1—C8—C9—C10 | −178.1 (2) |
C1—C2—C3—C4 | −0.7 (4) | C8—C9—C10—C11 | 1.0 (4) |
C2—C3—C4—C5 | −0.6 (4) | C8—C9—C10—Cl1 | 179.0 (2) |
C3—C4—C5—C6 | 1.3 (5) | C9—C10—C11—C12 | 0.5 (4) |
C4—C5—C6—C1 | −0.7 (4) | Cl1—C10—C11—C12 | −177.5 (2) |
C4—C5—C6—C7 | −177.7 (3) | C9—C10—C11—Cl2 | 178.5 (2) |
O1—C1—C6—C5 | 179.9 (3) | Cl1—C10—C11—Cl2 | 0.5 (4) |
C2—C1—C6—C5 | −0.7 (4) | C10—C11—C12—C13 | −1.1 (4) |
O1—C1—C6—C7 | −3.1 (4) | Cl2—C11—C12—C13 | −179.1 (2) |
C2—C1—C6—C7 | 176.3 (3) | C9—C8—C13—C12 | 1.3 (4) |
C8—N1—C7—C6 | −172.6 (2) | N1—C8—C13—C12 | 177.3 (3) |
C5—C6—C7—N1 | 179.5 (3) | C11—C12—C13—C8 | 0.2 (4) |
Cg1 is the centroid of the benzene ring (C1–C6). |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1 | 0.82 | 1.89 | 2.608 (3) | 146 |
O2—H2···O1 | 0.82 | 2.28 | 2.729 (3) | 115 |
O2—H2···O1i | 0.82 | 2.20 | 2.846 (3) | 136 |
C12—H12···Cg1ii | 0.93 | 2.83 | 3.538 (4) | 134 |
Symmetry codes: (i) −x−1, −y+2, −z+1; (ii) x+1, y−1, z. |
Cg1 is the centroid of the benzene ring (C1–C6). |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1 | 0.82 | 1.89 | 2.608 (3) | 146 |
O2—H2···O1 | 0.82 | 2.28 | 2.729 (3) | 115 |
O2—H2···O1i | 0.82 | 2.20 | 2.846 (3) | 136 |
C12—H12···Cg1ii | 0.93 | 2.83 | 3.538 (4) | 134 |
Symmetry codes: (i) −x−1, −y+2, −z+1; (ii) x+1, y−1, z. |
Acknowledgements
The authors acknowledge the provision of funds for the purchase of diffractometer and encouragement by Dr. Muhammad Akram Chaudhary, Vice Chancellor, University of Sargodha, Pakistan.
References
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The title compound (I), (Fig. 1) has been synthesized for forming different metal complexes.
The crystal structures of 2-[(E)-(2,4,6-trichlorophenyl)iminomethyl] phenol (Fun et al., 2011), (E)-3-((2-fluorophenylimino)methyl) benzene-1,2-diol (Temel et al., 2007), (E)-3-[(3-bromophenyl) iminomethyl]benzene-1,2-diol (Kelesoglu et al., 2009), 4-([(E)-2, 3-dihydroxybenzylidene]amino)-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide (Tahir et al., 2012) and 3-(4-bromophenyliminomethyl)benzene-1,2-diol (Shuja et al., 2006) have been published which are related to the title compound due to two moieties of the Schiff base.
In (I) the moieties of 2,3-dihydroxybenzaldehyde A (C1–C7/O1/O2) and 3,4-dichloroanilline B (C8—13/N1/CL1/CL2) are almost planar with r.m.s. deviation of 0.0225 and 0.0172 Å, respectively. The dihedral angle between A/B is 44.219 (50)°. In (I), S(5) and S(6) ring motifs are present due to H-bondings of O—H···O and O—H···N types (Table 1, Fig. 2). The molecules are dimerized due to bifercated H-bonding of O—H···O type (Table 1, Fig. 2). There exist C—H···π (Table 1) and π···π interactions to stablize the dimmers. A π···π interactions between Cg1···Cg1i [i = -x, 2 - y, 1 - z] at a distance of 3.9101 (15) Å, where Cg1 is centroid of benzene ring (C1—C6) exists. Similarly, there is π···π interactions between Cg2···Cg2ii [il = 1 - x, 1 - y, - z] at a distance of 4.1194 (17) Å, where Cg2 is centroid of benzene ring (C8—C13).