organic compounds
(5-Bromo-2-hydroxyphenyl)(phenyl)methanone
aCollege of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, People's Republic of China, and bKey Laboratory of Advanced Materials, Qingdao University of Science and Technology, Qingdao 266042, People's Republic of China
*Correspondence e-mail: minicocorain@163.com
In the title compound, C13H9BrO2, the molecular conformation is stabilized by an intramolecular O—H⋯O hydrogen bond. In the weak intermolecular C—H⋯O hydrogen-bonding interactions link the molecules into chains along the c-axis direction.
Related literature
For related literature, see: Dale et al. (1999); Sridhar & Saravanan (2001); Wiktor et al. (2000); Hester et al. (2001); Idrees et al. (2001); Zhou (2006).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2001); cell SAINT (Bruker, 2001); 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 and local programs.
Supporting information
10.1107/S1600536808027578/at2622sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808027578/at2622Isup2.hkl
5-Bromo-2-hydroxybenzophenone was prepared via the Fries rearrangement of p-bromophenyl benzoate at 433 K with AlCl3 as the catalyst. The title compound was collected and washed with 10% diluted hydrochloric acid. Single crystals suitable for X-ray measurements were obtained by recrystallization from absolute ethanol and acetic ether (1:1,v/v) at room temperature.
All H atoms were placed at calculated positions and allowed to ride on their attached atoms, with C—H distance = 0.93 Å and O—H = 0.82 Å, and with Uiso =1.2 Ueq (C) and Uiso =1.5 Ueq (O).
Data collection: SMART (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); 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) and local programs.Fig. 1. The structure of the title compound showing 30% probability displacement ellipsoids and the atom-numbering scheme. | |
Fig. 2. The packing of (I), viewed down the b axis. |
C13H9BrO2 | F(000) = 552 |
Mr = 277.10 | Dx = 1.685 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 1025 reflections |
a = 15.938 (3) Å | θ = 1.3–27.0° |
b = 5.8929 (12) Å | µ = 3.74 mm−1 |
c = 12.111 (2) Å | T = 295 K |
β = 106.15 (3)° | Block, yellow |
V = 1092.6 (4) Å3 | 0.30 × 0.20 × 0.10 mm |
Z = 4 |
Bruker SMART 1K CCD area-detector diffractometer | 2292 independent reflections |
Radiation source: fine-focus sealed tube | 1767 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.026 |
Thin–slice ω scans | θmax = 26.7°, θmin = 1.3° |
Absorption correction: multi-scan (SADABS; Sheldrick, 2004) | h = −19→19 |
Tmin = 0.417, Tmax = 0.689 | k = −7→6 |
4878 measured reflections | l = −14→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)] = 0.035 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.101 | H-atom parameters constrained |
S = 1.08 | w = 1/[σ2(Fo2) + (0.0519P)2 + 0.0875P] where P = (Fo2 + 2Fc2)/3 |
2292 reflections | (Δ/σ)max < 0.001 |
145 parameters | Δρmax = 0.36 e Å−3 |
0 restraints | Δρmin = −0.61 e Å−3 |
C13H9BrO2 | V = 1092.6 (4) Å3 |
Mr = 277.10 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 15.938 (3) Å | µ = 3.74 mm−1 |
b = 5.8929 (12) Å | T = 295 K |
c = 12.111 (2) Å | 0.30 × 0.20 × 0.10 mm |
β = 106.15 (3)° |
Bruker SMART 1K CCD area-detector diffractometer | 2292 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 2004) | 1767 reflections with I > 2σ(I) |
Tmin = 0.417, Tmax = 0.689 | Rint = 0.026 |
4878 measured reflections |
R[F2 > 2σ(F2)] = 0.035 | 0 restraints |
wR(F2) = 0.101 | H-atom parameters constrained |
S = 1.08 | Δρmax = 0.36 e Å−3 |
2292 reflections | Δρmin = −0.61 e Å−3 |
145 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 | 0.42247 (2) | 0.27571 (6) | 0.49704 (3) | 0.06162 (16) | |
O1 | 0.18993 (15) | −0.6147 (4) | 0.49901 (19) | 0.0609 (6) | |
O2 | 0.28487 (15) | −0.5189 (4) | 0.70244 (19) | 0.0613 (6) | |
H2A | 0.2498 | −0.5930 | 0.6532 | 0.092* | |
C1 | 0.11815 (19) | −0.1537 (5) | 0.3198 (3) | 0.0457 (7) | |
H1A | 0.1235 | −0.0469 | 0.3779 | 0.055* | |
C2 | 0.06832 (19) | −0.1057 (5) | 0.2101 (3) | 0.0518 (7) | |
H2B | 0.0378 | 0.0305 | 0.1950 | 0.062* | |
C3 | 0.0635 (2) | −0.2590 (5) | 0.1225 (3) | 0.0580 (9) | |
H3A | 0.0308 | −0.2246 | 0.0480 | 0.070* | |
C4 | 0.1071 (2) | −0.4629 (5) | 0.1454 (3) | 0.0560 (8) | |
H4A | 0.1049 | −0.5649 | 0.0861 | 0.067* | |
C5 | 0.1541 (2) | −0.5160 (5) | 0.2561 (3) | 0.0484 (7) | |
H5A | 0.1816 | −0.6563 | 0.2718 | 0.058* | |
C6 | 0.16053 (17) | −0.3611 (5) | 0.3442 (2) | 0.0398 (6) | |
C7 | 0.20826 (18) | −0.4302 (5) | 0.4640 (3) | 0.0432 (6) | |
C8 | 0.27492 (18) | −0.2824 (4) | 0.5359 (3) | 0.0387 (6) | |
C9 | 0.30999 (19) | −0.3350 (5) | 0.6535 (3) | 0.0469 (7) | |
C10 | 0.3733 (2) | −0.1974 (6) | 0.7230 (3) | 0.0554 (8) | |
H10A | 0.3943 | −0.2292 | 0.8011 | 0.066* | |
C11 | 0.4053 (2) | −0.0134 (6) | 0.6774 (3) | 0.0564 (8) | |
H11A | 0.4476 | 0.0795 | 0.7245 | 0.068* | |
C12 | 0.37446 (18) | 0.0319 (5) | 0.5617 (3) | 0.0453 (7) | |
C13 | 0.30905 (17) | −0.0964 (5) | 0.4910 (2) | 0.0408 (6) | |
H13A | 0.2876 | −0.0595 | 0.4136 | 0.049* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br1 | 0.0542 (2) | 0.0546 (2) | 0.0743 (3) | −0.01334 (14) | 0.01486 (18) | 0.00225 (16) |
O1 | 0.0721 (15) | 0.0486 (12) | 0.0597 (14) | −0.0165 (11) | 0.0143 (12) | 0.0081 (10) |
O2 | 0.0680 (15) | 0.0658 (14) | 0.0489 (13) | −0.0075 (11) | 0.0140 (11) | 0.0156 (11) |
C1 | 0.0468 (16) | 0.0418 (14) | 0.0496 (18) | −0.0017 (13) | 0.0151 (14) | −0.0040 (13) |
C2 | 0.0443 (17) | 0.0504 (17) | 0.057 (2) | 0.0004 (13) | 0.0087 (14) | 0.0051 (15) |
C3 | 0.0526 (19) | 0.072 (2) | 0.0452 (18) | −0.0139 (16) | 0.0063 (15) | 0.0036 (16) |
C4 | 0.065 (2) | 0.0589 (19) | 0.0454 (18) | −0.0105 (16) | 0.0173 (16) | −0.0108 (15) |
C5 | 0.0524 (18) | 0.0421 (15) | 0.0526 (18) | −0.0039 (13) | 0.0174 (15) | −0.0071 (13) |
C6 | 0.0377 (14) | 0.0398 (14) | 0.0428 (16) | −0.0044 (11) | 0.0128 (12) | −0.0016 (12) |
C7 | 0.0458 (16) | 0.0391 (14) | 0.0484 (17) | −0.0014 (12) | 0.0194 (13) | −0.0020 (12) |
C8 | 0.0360 (14) | 0.0399 (14) | 0.0414 (16) | 0.0049 (11) | 0.0126 (12) | −0.0018 (11) |
C9 | 0.0442 (16) | 0.0540 (16) | 0.0450 (18) | 0.0055 (13) | 0.0165 (13) | 0.0029 (13) |
C10 | 0.0492 (18) | 0.077 (2) | 0.0365 (17) | 0.0005 (16) | 0.0067 (14) | 0.0010 (15) |
C11 | 0.0470 (18) | 0.072 (2) | 0.0476 (19) | −0.0087 (15) | 0.0084 (14) | −0.0105 (16) |
C12 | 0.0402 (15) | 0.0461 (15) | 0.0516 (18) | −0.0020 (12) | 0.0160 (13) | −0.0031 (13) |
C13 | 0.0392 (15) | 0.0443 (15) | 0.0387 (16) | 0.0046 (11) | 0.0105 (12) | −0.0001 (12) |
Br1—C12 | 1.896 (3) | C5—C6 | 1.386 (4) |
O1—C7 | 1.231 (3) | C5—H5A | 0.9300 |
O2—C9 | 1.348 (4) | C6—C7 | 1.495 (4) |
O2—H2A | 0.8200 | C7—C8 | 1.460 (4) |
C1—C2 | 1.374 (4) | C8—C13 | 1.400 (4) |
C1—C6 | 1.388 (4) | C8—C9 | 1.412 (4) |
C1—H1A | 0.9300 | C9—C10 | 1.383 (4) |
C2—C3 | 1.379 (5) | C10—C11 | 1.378 (4) |
C2—H2B | 0.9300 | C10—H10A | 0.9300 |
C3—C4 | 1.378 (4) | C11—C12 | 1.377 (4) |
C3—H3A | 0.9300 | C11—H11A | 0.9300 |
C4—C5 | 1.377 (4) | C12—C13 | 1.376 (4) |
C4—H4A | 0.9300 | C13—H13A | 0.9300 |
C9—O2—H2A | 109.5 | O1—C7—C6 | 118.0 (3) |
C2—C1—C6 | 120.2 (3) | C8—C7—C6 | 120.4 (2) |
C2—C1—H1A | 119.9 | C13—C8—C9 | 118.5 (3) |
C6—C1—H1A | 119.9 | C13—C8—C7 | 122.2 (3) |
C1—C2—C3 | 120.2 (3) | C9—C8—C7 | 119.3 (3) |
C1—C2—H2B | 119.9 | O2—C9—C10 | 117.3 (3) |
C3—C2—H2B | 119.9 | O2—C9—C8 | 122.5 (3) |
C4—C3—C2 | 120.0 (3) | C10—C9—C8 | 120.2 (3) |
C4—C3—H3A | 120.0 | C11—C10—C9 | 120.4 (3) |
C2—C3—H3A | 120.0 | C11—C10—H10A | 119.8 |
C5—C4—C3 | 120.1 (3) | C9—C10—H10A | 119.8 |
C5—C4—H4A | 120.0 | C12—C11—C10 | 119.6 (3) |
C3—C4—H4A | 120.0 | C12—C11—H11A | 120.2 |
C4—C5—C6 | 120.2 (3) | C10—C11—H11A | 120.2 |
C4—C5—H5A | 119.9 | C13—C12—C11 | 121.4 (3) |
C6—C5—H5A | 119.9 | C13—C12—Br1 | 118.8 (2) |
C5—C6—C1 | 119.2 (3) | C11—C12—Br1 | 119.8 (2) |
C5—C6—C7 | 118.5 (3) | C12—C13—C8 | 119.8 (3) |
C1—C6—C7 | 122.2 (3) | C12—C13—H13A | 120.1 |
O1—C7—C8 | 121.6 (3) | C8—C13—H13A | 120.1 |
C6—C1—C2—C3 | −3.1 (5) | C6—C7—C8—C9 | 170.9 (2) |
C1—C2—C3—C4 | 1.4 (5) | C13—C8—C9—O2 | −175.9 (3) |
C2—C3—C4—C5 | 1.4 (5) | C7—C8—C9—O2 | 0.6 (4) |
C3—C4—C5—C6 | −2.5 (5) | C13—C8—C9—C10 | 3.4 (4) |
C4—C5—C6—C1 | 0.9 (4) | C7—C8—C9—C10 | 179.9 (3) |
C4—C5—C6—C7 | 176.9 (3) | O2—C9—C10—C11 | 176.6 (3) |
C2—C1—C6—C5 | 1.9 (4) | C8—C9—C10—C11 | −2.8 (5) |
C2—C1—C6—C7 | −173.9 (3) | C9—C10—C11—C12 | −0.5 (5) |
C5—C6—C7—O1 | −48.6 (4) | C10—C11—C12—C13 | 3.1 (5) |
C1—C6—C7—O1 | 127.3 (3) | C10—C11—C12—Br1 | −176.9 (2) |
C5—C6—C7—C8 | 130.9 (3) | C11—C12—C13—C8 | −2.4 (4) |
C1—C6—C7—C8 | −53.2 (4) | Br1—C12—C13—C8 | 177.60 (19) |
O1—C7—C8—C13 | 166.7 (3) | C9—C8—C13—C12 | −0.9 (4) |
C6—C7—C8—C13 | −12.8 (4) | C7—C8—C13—C12 | −177.2 (2) |
O1—C7—C8—C9 | −9.6 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2A···O1 | 0.82 | 1.85 | 2.570 (3) | 146 |
C13—H13A···O2i | 0.93 | 2.59 | 3.475 (3) | 160 |
Symmetry code: (i) x, −y−1/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | C13H9BrO2 |
Mr | 277.10 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 295 |
a, b, c (Å) | 15.938 (3), 5.8929 (12), 12.111 (2) |
β (°) | 106.15 (3) |
V (Å3) | 1092.6 (4) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 3.74 |
Crystal size (mm) | 0.30 × 0.20 × 0.10 |
Data collection | |
Diffractometer | Bruker SMART 1K CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 2004) |
Tmin, Tmax | 0.417, 0.689 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4878, 2292, 1767 |
Rint | 0.026 |
(sin θ/λ)max (Å−1) | 0.633 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.035, 0.101, 1.08 |
No. of reflections | 2292 |
No. of parameters | 145 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.36, −0.61 |
Computer programs: SMART (Bruker, 2001), SAINT (Bruker, 2001), SHELXTL (Sheldrick, 2008) and local programs.
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2A···O1 | 0.82 | 1.85 | 2.570 (3) | 146 |
C13—H13A···O2i | 0.93 | 2.59 | 3.475 (3) | 160 |
Symmetry code: (i) x, −y−1/2, z−1/2. |
Acknowledgements
The authors thank the Natural Science Foundation of Shandong Province (No. Q2006B02).
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.
Monocondensed Schiff bases are attractive because of their intermediates in the synthesis of unsymmetrical multidentate Schiff base ligands and metal complexes, which serve as potential chelating agents and catalyst in synthesis and pharmaceutical fields (Hester et al., 2001). New examples are being tested for their antitumor, (Idrees et al., 2001). antimicroial and antiviral activities (Sridhar & Saravanan, 2001). We describe the structure of the title compound is a precursor of monocondensed Schiff bases.
In the title compound, bond lengths are slightly different from those in similar compounds. The C—Br bond length [1.896 (3) Å] is longer than others reported [1.865 (1) (Dale et al., 1999) and 1.884 (2)Å (Wiktor et al., 2000)]. Molecular conformation is stabilized by an intramolecular O—H···O hydrogen bond. In the crystal structure, weak intermolecular C—H···O hydrogen bonding interactions (Table 1) link the molecules into chains along the b-direction.