organic compounds
5-[(1H-Benzimidazol-1-yl)methyl]benzene-1,3-dicarboxylic acid
aFaculty of Life Science and Chemical Engineering, Huaiyin Institute of Technology, Huaian 223003, People's Republic of China
*Correspondence e-mail: shxycheng@163.com
Crystals of the title compound, C16H12N2O4, were obtained accidentally from a hydrothermal reaction of 5-[(1H-benzimidazol-1-yl)methyl]isophthalic acid with manganese bromide in the presence of N,N′-dimethylformamide. In the title molecule, the benzimidazole ring system is almost planar, with a maximum deviation from the mean plane of 0.010 (2) Å. The benzimidazole and central benzene rings are inclined at a dihedral angle of 71.7 (6)°. The is stabilized by O—H⋯N and O—H⋯O hydrogen bonds.
Related literature
For background information on the title compound, see: Das & Bharadwaj (2009). For a related structure, see: Kuai & Cheng (2011).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2008); cell SAINT (Bruker, 2008); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2000); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
Supporting information
https://doi.org/10.1107/S1600536811047416/pv2480sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536811047416/pv2480Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536811047416/pv2480Isup3.cdx
Supporting information file. DOI: https://doi.org/10.1107/S1600536811047416/pv2480Isup4.cml
A mixture of MnBr2 (21.5 mg, 0.1 mmol), 5-((1H-benzo[d]imidazol-1-yl)methyl)isophthalic acid (29.6 mg, 0.1 mmol) and 2 ml N,N'-dimethylformamide (DMF) in 10 ml H2O was sealed in a 16 ml Teflon-lined stainless steel container and heated to 393 K for 3 days. After cooling the stain-less steel container to room temperature, colorless block crystals of the title compound were obtained.
All hydrogen atoms were included at geometrically idealized positions and constrained to ride on their parent atoms, with C—H = 0.93 or 0.97, O—H = 0.82 Å and Uiso(H) = 1.2Ueq(C/O).
The title compound is regarded as an excellent candidate for building block in molecular self-assembly engineering due to its variable conformation and coordination modes (Das & Bharadwaj, 2009). During preparation of coordination polymers, we accidentally obtained single crystals of the title compound by the hydrothermal reaction at 393 K of 5-((1H-benzo[d]imidazol-1-yl)methyl)isophthalic acid with manganese bromide in the presence of N,N'-dimethylformamide.
Although crystallized from an alkaline solution, the title compound retained the carboxylic groups in the
(Fig. 1). The benzimidazolyl ring and the central benzene ring are inclined at a dihedral angle of 71.7 (6) °. In the there exist O—H···N and O—H···O hydrogen bonds (Table 1). The carboxylate groups and the N atom in the benzimidazolyl group as donor or acceptor play very important role in the formation of these hydrogen bonds.For background information on the title compound, see: Das & Bharadwaj (2009). For a related structure, see: Kuai & Cheng (2011).
Data collection: APEX2 (Bruker, 2008); cell
SAINT (Bruker, 2008); data reduction: SAINT (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2000); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. : The crystal structure of the title compound showing 30% probability displacement ellipsoids. |
C16H12N2O4 | Z = 2 |
Mr = 296.28 | F(000) = 308 |
Triclinic, P1 | Dx = 1.458 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 7.7159 (11) Å | Cell parameters from 796 reflections |
b = 8.4559 (12) Å | θ = 2.8–25.0° |
c = 10.9742 (15) Å | µ = 0.11 mm−1 |
α = 97.286 (2)° | T = 293 K |
β = 104.928 (2)° | Block, colorless |
γ = 98.029 (2)° | 0.20 × 0.20 × 0.20 mm |
V = 675.07 (16) Å3 |
Bruker SMART APEXII CCD diffractometer | 2499 independent reflections |
Radiation source: fine-focus sealed tube | 1401 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.024 |
φ and ω scans | θmax = 25.6°, θmin = 2.0° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −8→9 |
Tmin = 0.979, Tmax = 0.979 | k = −10→9 |
3620 measured reflections | l = −11→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)] = 0.042 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.098 | H-atom parameters constrained |
S = 0.84 | w = 1/[σ2(Fo2) + (0.0392P)2] where P = (Fo2 + 2Fc2)/3 |
2499 reflections | (Δ/σ)max < 0.001 |
199 parameters | Δρmax = 0.18 e Å−3 |
0 restraints | Δρmin = −0.17 e Å−3 |
C16H12N2O4 | γ = 98.029 (2)° |
Mr = 296.28 | V = 675.07 (16) Å3 |
Triclinic, P1 | Z = 2 |
a = 7.7159 (11) Å | Mo Kα radiation |
b = 8.4559 (12) Å | µ = 0.11 mm−1 |
c = 10.9742 (15) Å | T = 293 K |
α = 97.286 (2)° | 0.20 × 0.20 × 0.20 mm |
β = 104.928 (2)° |
Bruker SMART APEXII CCD diffractometer | 2499 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 1401 reflections with I > 2σ(I) |
Tmin = 0.979, Tmax = 0.979 | Rint = 0.024 |
3620 measured reflections |
R[F2 > 2σ(F2)] = 0.042 | 0 restraints |
wR(F2) = 0.098 | H-atom parameters constrained |
S = 0.84 | Δρmax = 0.18 e Å−3 |
2499 reflections | Δρmin = −0.17 e Å−3 |
199 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 | ||
C1 | 0.8649 (3) | 0.3096 (2) | 0.61209 (17) | 0.0400 (5) | |
C2 | 0.7615 (3) | 0.3686 (2) | 0.50979 (18) | 0.0426 (5) | |
H1 | 0.7649 | 0.4796 | 0.5144 | 0.051* | |
C3 | 0.6533 (3) | 0.2632 (2) | 0.40097 (17) | 0.0378 (5) | |
C4 | 0.6482 (3) | 0.0979 (2) | 0.39490 (17) | 0.0386 (5) | |
H2 | 0.5757 | 0.0268 | 0.3222 | 0.046* | |
C5 | 0.7503 (3) | 0.0376 (2) | 0.49609 (17) | 0.0368 (5) | |
C6 | 0.8591 (3) | 0.1451 (2) | 0.60419 (18) | 0.0414 (5) | |
H3 | 0.9289 | 0.1052 | 0.6720 | 0.050* | |
C7 | 0.5439 (3) | 0.3280 (3) | 0.29147 (18) | 0.0442 (6) | |
C8 | 0.7429 (3) | −0.1397 (3) | 0.4906 (2) | 0.0443 (6) | |
C9 | 0.9807 (3) | 0.4336 (3) | 0.72598 (18) | 0.0572 (7) | |
H5 | 1.0883 | 0.4833 | 0.7053 | 0.069* | |
H4 | 0.9121 | 0.5180 | 0.7417 | 0.069* | |
C10 | 1.2110 (3) | 0.3646 (3) | 0.9087 (2) | 0.0513 (6) | |
H6 | 1.3127 | 0.4067 | 0.8847 | 0.062* | |
C11 | 1.0403 (3) | 0.2516 (2) | 1.01338 (19) | 0.0470 (6) | |
C12 | 0.9243 (3) | 0.2953 (3) | 0.9078 (2) | 0.0462 (6) | |
C13 | 0.7369 (3) | 0.2658 (3) | 0.8840 (2) | 0.0618 (7) | |
H7 | 0.6604 | 0.2964 | 0.8140 | 0.074* | |
C14 | 0.6703 (4) | 0.1887 (3) | 0.9698 (3) | 0.0737 (8) | |
H8 | 0.5448 | 0.1652 | 0.9568 | 0.088* | |
C15 | 0.7851 (4) | 0.1444 (3) | 1.0760 (2) | 0.0706 (8) | |
H9 | 0.7340 | 0.0933 | 1.1320 | 0.085* | |
C16 | 0.9705 (4) | 0.1743 (3) | 1.0997 (2) | 0.0580 (7) | |
H10 | 1.0465 | 0.1443 | 1.1702 | 0.070* | |
N1 | 1.0380 (2) | 0.3660 (2) | 0.84266 (15) | 0.0468 (5) | |
N2 | 1.2195 (2) | 0.2965 (2) | 1.01142 (15) | 0.0500 (5) | |
O1 | 0.44624 (19) | 0.21783 (16) | 0.19787 (12) | 0.0559 (5) | |
H11 | 0.3897 | 0.2606 | 0.1410 | 0.067* | |
O2 | 0.5500 (2) | 0.47226 (18) | 0.29074 (14) | 0.0763 (6) | |
O3 | 0.6485 (2) | −0.22162 (17) | 0.37611 (13) | 0.0693 (5) | |
H12 | 0.6465 | −0.3189 | 0.3759 | 0.083* | |
O4 | 0.8127 (2) | −0.20331 (17) | 0.57734 (14) | 0.0627 (5) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0523 (13) | 0.0322 (12) | 0.0251 (11) | 0.0059 (10) | −0.0061 (10) | 0.0038 (9) |
C2 | 0.0582 (14) | 0.0295 (12) | 0.0301 (11) | 0.0073 (10) | −0.0053 (10) | 0.0060 (9) |
C3 | 0.0472 (12) | 0.0316 (12) | 0.0269 (11) | 0.0057 (10) | −0.0024 (9) | 0.0049 (9) |
C4 | 0.0488 (12) | 0.0319 (12) | 0.0260 (11) | 0.0045 (10) | −0.0026 (9) | 0.0024 (9) |
C5 | 0.0457 (12) | 0.0308 (11) | 0.0285 (11) | 0.0074 (10) | 0.0006 (10) | 0.0056 (9) |
C6 | 0.0524 (13) | 0.0375 (13) | 0.0277 (11) | 0.0109 (10) | −0.0040 (10) | 0.0103 (9) |
C7 | 0.0560 (14) | 0.0338 (13) | 0.0306 (12) | 0.0073 (11) | −0.0087 (10) | 0.0049 (10) |
C8 | 0.0558 (14) | 0.0362 (13) | 0.0347 (12) | 0.0078 (11) | 0.0015 (11) | 0.0072 (10) |
C9 | 0.0806 (16) | 0.0403 (14) | 0.0310 (12) | 0.0045 (12) | −0.0160 (12) | 0.0063 (10) |
C10 | 0.0565 (14) | 0.0437 (14) | 0.0379 (13) | 0.0015 (11) | −0.0093 (11) | 0.0046 (11) |
C11 | 0.0629 (16) | 0.0365 (13) | 0.0314 (12) | 0.0094 (11) | −0.0025 (11) | 0.0016 (10) |
C12 | 0.0590 (15) | 0.0357 (13) | 0.0322 (12) | 0.0090 (11) | −0.0042 (11) | −0.0013 (10) |
C13 | 0.0595 (17) | 0.0625 (18) | 0.0514 (16) | 0.0143 (13) | −0.0037 (13) | 0.0015 (13) |
C14 | 0.0649 (17) | 0.080 (2) | 0.0678 (19) | 0.0068 (15) | 0.0142 (16) | −0.0015 (16) |
C15 | 0.084 (2) | 0.0659 (19) | 0.0587 (18) | 0.0081 (16) | 0.0218 (16) | 0.0031 (14) |
C16 | 0.0863 (19) | 0.0445 (15) | 0.0366 (14) | 0.0116 (14) | 0.0055 (14) | 0.0072 (11) |
N1 | 0.0584 (12) | 0.0393 (11) | 0.0279 (10) | 0.0077 (9) | −0.0126 (9) | 0.0047 (8) |
N2 | 0.0597 (12) | 0.0471 (12) | 0.0320 (10) | 0.0092 (10) | −0.0076 (9) | 0.0081 (9) |
O1 | 0.0717 (10) | 0.0413 (9) | 0.0345 (8) | 0.0105 (8) | −0.0204 (8) | 0.0056 (7) |
O2 | 0.1136 (14) | 0.0305 (9) | 0.0515 (10) | 0.0101 (9) | −0.0338 (9) | 0.0070 (7) |
O3 | 0.1078 (13) | 0.0281 (9) | 0.0467 (10) | 0.0108 (9) | −0.0202 (9) | 0.0025 (7) |
O4 | 0.0939 (12) | 0.0384 (9) | 0.0431 (9) | 0.0145 (9) | −0.0078 (9) | 0.0142 (7) |
C1—C6 | 1.377 (3) | C9—H4 | 0.9700 |
C1—C2 | 1.392 (2) | C10—N2 | 1.320 (3) |
C1—C9 | 1.513 (2) | C10—N1 | 1.347 (2) |
C2—C3 | 1.387 (2) | C10—H6 | 0.9300 |
C2—H1 | 0.9300 | C11—N2 | 1.388 (3) |
C3—C4 | 1.386 (2) | C11—C16 | 1.391 (3) |
C3—C7 | 1.493 (3) | C11—C12 | 1.395 (3) |
C4—C5 | 1.385 (2) | C12—C13 | 1.382 (3) |
C4—H2 | 0.9300 | C12—N1 | 1.387 (3) |
C5—C6 | 1.392 (2) | C13—C14 | 1.374 (4) |
C5—C8 | 1.485 (3) | C13—H7 | 0.9300 |
C6—H3 | 0.9300 | C14—C15 | 1.398 (3) |
C7—O2 | 1.215 (2) | C14—H8 | 0.9300 |
C7—O1 | 1.286 (2) | C15—C16 | 1.367 (3) |
C8—O4 | 1.197 (2) | C15—H9 | 0.9300 |
C8—O3 | 1.325 (2) | C16—H10 | 0.9300 |
C9—N1 | 1.458 (3) | O1—H11 | 0.8200 |
C9—H5 | 0.9700 | O3—H12 | 0.8200 |
C6—C1—C2 | 119.24 (17) | H5—C9—H4 | 107.7 |
C6—C1—C9 | 123.83 (17) | N2—C10—N1 | 112.3 (2) |
C2—C1—C9 | 116.92 (18) | N2—C10—H6 | 123.9 |
C3—C2—C1 | 120.61 (19) | N1—C10—H6 | 123.9 |
C3—C2—H1 | 119.7 | N2—C11—C16 | 130.2 (2) |
C1—C2—H1 | 119.7 | N2—C11—C12 | 109.0 (2) |
C4—C3—C2 | 119.40 (18) | C16—C11—C12 | 120.8 (2) |
C4—C3—C7 | 120.48 (17) | C13—C12—N1 | 132.3 (2) |
C2—C3—C7 | 120.12 (18) | C13—C12—C11 | 122.4 (2) |
C5—C4—C3 | 120.58 (17) | N1—C12—C11 | 105.34 (19) |
C5—C4—H2 | 119.7 | C14—C13—C12 | 116.1 (2) |
C3—C4—H2 | 119.7 | C14—C13—H7 | 122.0 |
C4—C5—C6 | 119.27 (18) | C12—C13—H7 | 122.0 |
C4—C5—C8 | 120.67 (17) | C13—C14—C15 | 122.1 (3) |
C6—C5—C8 | 120.06 (17) | C13—C14—H8 | 119.0 |
C1—C6—C5 | 120.90 (17) | C15—C14—H8 | 119.0 |
C1—C6—H3 | 119.6 | C16—C15—C14 | 121.7 (3) |
C5—C6—H3 | 119.6 | C16—C15—H9 | 119.1 |
O2—C7—O1 | 123.42 (18) | C14—C15—H9 | 119.1 |
O2—C7—C3 | 122.59 (18) | C15—C16—C11 | 116.9 (2) |
O1—C7—C3 | 113.98 (18) | C15—C16—H10 | 121.5 |
O4—C8—O3 | 123.1 (2) | C11—C16—H10 | 121.5 |
O4—C8—C5 | 125.28 (19) | C10—N1—C12 | 107.49 (17) |
O3—C8—C5 | 111.58 (18) | C10—N1—C9 | 126.3 (2) |
N1—C9—C1 | 113.68 (18) | C12—N1—C9 | 126.15 (19) |
N1—C9—H5 | 108.8 | C10—N2—C11 | 105.86 (18) |
C1—C9—H5 | 108.8 | C7—O1—H11 | 109.5 |
N1—C9—H4 | 108.8 | C8—O3—H12 | 109.5 |
C1—C9—H4 | 108.8 | ||
C6—C1—C2—C3 | 0.1 (3) | N2—C11—C12—C13 | 179.95 (18) |
C9—C1—C2—C3 | 179.18 (19) | C16—C11—C12—C13 | 0.5 (3) |
C1—C2—C3—C4 | 0.2 (3) | N2—C11—C12—N1 | 0.4 (2) |
C1—C2—C3—C7 | −179.6 (2) | C16—C11—C12—N1 | −179.05 (19) |
C2—C3—C4—C5 | −0.1 (3) | N1—C12—C13—C14 | 178.6 (2) |
C7—C3—C4—C5 | 179.7 (2) | C11—C12—C13—C14 | −0.8 (3) |
C3—C4—C5—C6 | −0.3 (3) | C12—C13—C14—C15 | 0.8 (4) |
C3—C4—C5—C8 | 179.06 (19) | C13—C14—C15—C16 | −0.6 (4) |
C2—C1—C6—C5 | −0.6 (3) | C14—C15—C16—C11 | 0.3 (4) |
C9—C1—C6—C5 | −179.6 (2) | N2—C11—C16—C15 | −179.5 (2) |
C4—C5—C6—C1 | 0.7 (3) | C12—C11—C16—C15 | −0.2 (3) |
C8—C5—C6—C1 | −178.7 (2) | N2—C10—N1—C12 | 0.8 (2) |
C4—C3—C7—O2 | −177.0 (2) | N2—C10—N1—C9 | 179.20 (18) |
C2—C3—C7—O2 | 2.9 (3) | C13—C12—N1—C10 | 179.8 (2) |
C4—C3—C7—O1 | 1.7 (3) | C11—C12—N1—C10 | −0.7 (2) |
C2—C3—C7—O1 | −178.42 (18) | C13—C12—N1—C9 | 1.4 (4) |
C4—C5—C8—O4 | −172.8 (2) | C11—C12—N1—C9 | −179.11 (18) |
C6—C5—C8—O4 | 6.6 (3) | C1—C9—N1—C10 | 118.4 (2) |
C4—C5—C8—O3 | 7.3 (3) | C1—C9—N1—C12 | −63.5 (3) |
C6—C5—C8—O3 | −173.30 (18) | N1—C10—N2—C11 | −0.5 (2) |
C6—C1—C9—N1 | −19.5 (3) | C16—C11—N2—C10 | 179.4 (2) |
C2—C1—C9—N1 | 161.5 (2) | C12—C11—N2—C10 | 0.1 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H12···O2i | 0.82 | 1.84 | 2.574 (2) | 147 |
O1—H11···N2ii | 0.82 | 1.76 | 2.553 (2) | 162 |
Symmetry codes: (i) x, y−1, z; (ii) x−1, y, z−1. |
Experimental details
Crystal data | |
Chemical formula | C16H12N2O4 |
Mr | 296.28 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 293 |
a, b, c (Å) | 7.7159 (11), 8.4559 (12), 10.9742 (15) |
α, β, γ (°) | 97.286 (2), 104.928 (2), 98.029 (2) |
V (Å3) | 675.07 (16) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.11 |
Crystal size (mm) | 0.20 × 0.20 × 0.20 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.979, 0.979 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 3620, 2499, 1401 |
Rint | 0.024 |
(sin θ/λ)max (Å−1) | 0.608 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.042, 0.098, 0.84 |
No. of reflections | 2499 |
No. of parameters | 199 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.18, −0.17 |
Computer programs: APEX2 (Bruker, 2008), SAINT (Bruker, 2008), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), DIAMOND (Brandenburg, 2000), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O3—H12···O2i | 0.82 | 1.84 | 2.574 (2) | 147.4 |
O1—H11···N2ii | 0.82 | 1.76 | 2.553 (2) | 162.2 |
Symmetry codes: (i) x, y−1, z; (ii) x−1, y, z−1. |
References
Brandenburg, K. (2000). DIAMOND. Crystal Impact GbR, Bonn, Germany. Google Scholar
Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Das, M. C. & Bharadwaj, P. K. (2009). J. Am. Chem. Soc. 131, 10942–10943. Web of Science CSD CrossRef PubMed CAS Google Scholar
Kuai, H.-W. & Cheng, X.-C. (2011). Acta Cryst. E67, o2787. Web of Science CSD CrossRef IUCr Journals Google Scholar
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany. Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
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The title compound is regarded as an excellent candidate for building block in molecular self-assembly engineering due to its variable conformation and coordination modes (Das & Bharadwaj, 2009). During preparation of coordination polymers, we accidentally obtained single crystals of the title compound by the hydrothermal reaction at 393 K of 5-((1H-benzo[d]imidazol-1-yl)methyl)isophthalic acid with manganese bromide in the presence of N,N'-dimethylformamide.
Although crystallized from an alkaline solution, the title compound retained the carboxylic groups in the crystal structure (Fig. 1). The benzimidazolyl ring and the central benzene ring are inclined at a dihedral angle of 71.7 (6) °. In the crystal structure, there exist O—H···N and O—H···O hydrogen bonds (Table 1). The carboxylate groups and the N atom in the benzimidazolyl group as donor or acceptor play very important role in the formation of these hydrogen bonds.