organic compounds
4-(2-Fluoropyridin-5-yl)phenol
aDepartment of Chemistry, Gomal University, Dera Ismail Khan, K.P.K., Pakistan, and bUniversity of Sargodha, Department of Physics, Sargodha, Pakistan
*Correspondence e-mail: dmntahir_uos@yahoo.com
In the title compound, C11H8FNO, the aromatic rings are oriented at a dihedral angle of 31.93 (6)°. In the crystal, molecules are linked by O—H⋯N hydrogen bonds, forming C(9) chains propagating along the c-axis direction. There are aromatic π–π stacking interactions between the pyridine rings [centroid–centroid separation = 3.7238 (16) Å].
Experimental
Crystal data
|
Refinement
|
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, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 1999) and PLATON.
Supporting information
https://doi.org/10.1107/S1600536812026499/hb6846sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536812026499/hb6846Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536812026499/hb6846Isup3.cml
To a 6 ml solution of 5-bromo-2-fluoropyridine (0.2 g, 1.136 mmol), 4-hydroxyphenylboronic acid (0.190 g, 1.36 mmol) in dioxane and K3PO4 (0.361 g, 1.5 mmol, in 1 ml H2O) was added Pd(PPh3)4 (1.5 mole %) at 373 K under N2 atmosphere. The reaction mixture was refluxed for 8 h. Then 20 ml of distilled water was added. The aqueous layer was extracted three times with EtOAc(3×15 ml). The organic layer was evaporated in vacuo and title compound was obtained as light brown solid. Yield: 0.191 g, 89%. M.p. 350–352 K. Crystallization from a
of CHCl3 /CH3OH gave light brown plates.The H-atoms were positioned geometrically (C–H = 0.93, 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.
We have reported the
of 5-(4-fluorophenyl)-2-fluoropyridine (Elahi et al., 2012) and 5-(4-chlorophenyl)-2-fluoropyridine (Adeel et al., 2012) which are related to (I).In (I) the 4-hydroxybenzene A (C1–C6/O1) and the 2-fluoropyridine B (C7—C11/N1/F1) are planar with r.m.s. deviations of 0.0222 Å and 0.0154 Å. The dihedral angle between A/B is 31.93 (6)°. There molecules are stabilized in the form of one-dimensional C(9) chains along the c-axis due to H-bondings of O—H···N type between hydroxy and pyridine groups (Table 1, Fig. 2). There exist π–π interaction between Cg1···Cg1i [i = 1/2 - x, -1/2 + y, z] and Cg1···Cg1ii [ii = 1/2 - x, 1/2 + y, z] at a distance of 3.7238 (16) Å, where Cg1 is the centroid of pyridine ring.
For related structures, see: Adeel et al. (2012); Elahi et al. (2012).
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, 2008); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009); software used to prepare material for publication: WinGX (Farrugia, 1999) 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, which shows that molecules form C(9) chains extending along [001]. |
C11H8FNO | F(000) = 784 |
Mr = 189.18 | Dx = 1.425 Mg m−3 |
Orthorhombic, Pbca | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ac 2ab | Cell parameters from 869 reflections |
a = 12.275 (3) Å | θ = 2.1–26.0° |
b = 7.4343 (11) Å | µ = 0.11 mm−1 |
c = 19.328 (3) Å | T = 296 K |
V = 1763.8 (6) Å3 | Plate, light brown |
Z = 8 | 0.28 × 0.22 × 0.18 mm |
Bruker Kappa APEXII CCD diffractometer | 1732 independent reflections |
Radiation source: fine-focus sealed tube | 896 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.064 |
Detector resolution: 8.00 pixels mm-1 | θmax = 26.0°, θmin = 2.1° |
ω scans | h = −15→6 |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | k = −9→9 |
Tmin = 0.975, Tmax = 0.985 | l = −17→23 |
7508 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)] = 0.051 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.123 | H-atom parameters constrained |
S = 1.00 | w = 1/[σ2(Fo2) + (0.0483P)2] where P = (Fo2 + 2Fc2)/3 |
1732 reflections | (Δ/σ)max < 0.001 |
128 parameters | Δρmax = 0.18 e Å−3 |
0 restraints | Δρmin = −0.18 e Å−3 |
C11H8FNO | V = 1763.8 (6) Å3 |
Mr = 189.18 | Z = 8 |
Orthorhombic, Pbca | Mo Kα radiation |
a = 12.275 (3) Å | µ = 0.11 mm−1 |
b = 7.4343 (11) Å | T = 296 K |
c = 19.328 (3) Å | 0.28 × 0.22 × 0.18 mm |
Bruker Kappa APEXII CCD diffractometer | 1732 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 896 reflections with I > 2σ(I) |
Tmin = 0.975, Tmax = 0.985 | Rint = 0.064 |
7508 measured reflections |
R[F2 > 2σ(F2)] = 0.051 | 0 restraints |
wR(F2) = 0.123 | H-atom parameters constrained |
S = 1.00 | Δρmax = 0.18 e Å−3 |
1732 reflections | Δρmin = −0.18 e Å−3 |
128 parameters |
Geometry. Bond distances, angles etc. have been calculated using the rounded fractional coordinates. All su's are estimated from the variances of the (full) variance-covariance matrix. The cell e.s.d.'s are taken into account in the estimation of distances, angles and torsion angles |
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 | ||
F1 | 0.16138 (14) | 0.0574 (2) | 0.57218 (6) | 0.0807 (7) | |
O1 | 0.44529 (15) | 0.4234 (3) | 0.12632 (8) | 0.0611 (8) | |
N1 | 0.3071 (2) | 0.1137 (3) | 0.50603 (9) | 0.0532 (9) | |
C1 | 0.3319 (2) | 0.2565 (3) | 0.31870 (11) | 0.0361 (9) | |
C2 | 0.4308 (2) | 0.3444 (3) | 0.31099 (12) | 0.0414 (9) | |
C3 | 0.4687 (2) | 0.3971 (3) | 0.24670 (12) | 0.0439 (10) | |
C4 | 0.4071 (2) | 0.3622 (3) | 0.18829 (12) | 0.0416 (9) | |
C5 | 0.3108 (2) | 0.2682 (3) | 0.19463 (11) | 0.0449 (10) | |
C6 | 0.2736 (2) | 0.2170 (3) | 0.25895 (10) | 0.0419 (9) | |
C7 | 0.2856 (2) | 0.2081 (3) | 0.38699 (11) | 0.0367 (9) | |
C8 | 0.1738 (2) | 0.2085 (3) | 0.39711 (12) | 0.0462 (10) | |
C9 | 0.1293 (2) | 0.1575 (3) | 0.45939 (12) | 0.0520 (11) | |
C10 | 0.2008 (3) | 0.1116 (3) | 0.51007 (12) | 0.0524 (10) | |
C11 | 0.3492 (2) | 0.1610 (3) | 0.44353 (11) | 0.0470 (10) | |
H1 | 0.39877 | 0.40831 | 0.09643 | 0.0916* | |
H2 | 0.47273 | 0.36848 | 0.34999 | 0.0497* | |
H3 | 0.53530 | 0.45572 | 0.24276 | 0.0527* | |
H5 | 0.27072 | 0.23925 | 0.15533 | 0.0540* | |
H6 | 0.20815 | 0.15470 | 0.26247 | 0.0503* | |
H8 | 0.12817 | 0.24378 | 0.36118 | 0.0555* | |
H9 | 0.05436 | 0.15458 | 0.46643 | 0.0624* | |
H11 | 0.42453 | 0.16170 | 0.43841 | 0.0565* |
U11 | U22 | U33 | U12 | U13 | U23 | |
F1 | 0.0964 (16) | 0.1031 (13) | 0.0427 (9) | −0.0147 (11) | 0.0132 (9) | 0.0107 (8) |
O1 | 0.0498 (15) | 0.0910 (14) | 0.0424 (10) | −0.0135 (11) | 0.0072 (9) | 0.0057 (10) |
N1 | 0.066 (2) | 0.0596 (15) | 0.0339 (13) | 0.0057 (14) | 0.0004 (12) | −0.0012 (10) |
C1 | 0.0395 (18) | 0.0352 (13) | 0.0335 (14) | 0.0013 (12) | 0.0020 (12) | −0.0030 (10) |
C2 | 0.0406 (18) | 0.0456 (14) | 0.0380 (14) | 0.0002 (13) | −0.0052 (12) | −0.0044 (10) |
C3 | 0.0363 (18) | 0.0471 (16) | 0.0484 (16) | −0.0038 (13) | 0.0056 (13) | −0.0035 (11) |
C4 | 0.0421 (19) | 0.0493 (15) | 0.0335 (15) | 0.0028 (14) | 0.0063 (13) | −0.0012 (11) |
C5 | 0.045 (2) | 0.0555 (16) | 0.0341 (15) | −0.0048 (14) | −0.0050 (12) | −0.0024 (11) |
C6 | 0.0418 (18) | 0.0457 (15) | 0.0382 (15) | −0.0071 (13) | 0.0006 (13) | −0.0018 (11) |
C7 | 0.0412 (19) | 0.0336 (13) | 0.0354 (14) | 0.0023 (12) | −0.0028 (13) | −0.0028 (10) |
C8 | 0.049 (2) | 0.0521 (16) | 0.0376 (16) | 0.0036 (14) | −0.0005 (14) | 0.0011 (11) |
C9 | 0.048 (2) | 0.0627 (18) | 0.0453 (17) | −0.0060 (15) | 0.0049 (15) | −0.0046 (12) |
C10 | 0.069 (2) | 0.0544 (17) | 0.0339 (17) | −0.0055 (17) | 0.0102 (17) | −0.0002 (12) |
C11 | 0.050 (2) | 0.0504 (16) | 0.0405 (16) | 0.0029 (14) | 0.0015 (14) | −0.0054 (11) |
F1—C10 | 1.356 (3) | C7—C8 | 1.386 (3) |
O1—C4 | 1.364 (3) | C7—C11 | 1.388 (3) |
O1—H1 | 0.8200 | C8—C9 | 1.375 (3) |
N1—C11 | 1.360 (3) | C9—C10 | 1.359 (4) |
N1—C10 | 1.307 (4) | C2—H2 | 0.9300 |
C1—C2 | 1.387 (3) | C3—H3 | 0.9300 |
C1—C7 | 1.481 (3) | C5—H5 | 0.9300 |
C1—C6 | 1.390 (3) | C6—H6 | 0.9300 |
C2—C3 | 1.384 (3) | C8—H8 | 0.9300 |
C3—C4 | 1.383 (3) | C9—H9 | 0.9300 |
C4—C5 | 1.379 (3) | C11—H11 | 0.9300 |
C5—C6 | 1.378 (3) | ||
C4—O1—H1 | 109.00 | N1—C10—C9 | 126.8 (2) |
C10—N1—C11 | 115.8 (2) | F1—C10—C9 | 118.9 (3) |
C2—C1—C6 | 117.5 (2) | N1—C11—C7 | 123.4 (2) |
C6—C1—C7 | 119.4 (2) | C1—C2—H2 | 119.00 |
C2—C1—C7 | 123.1 (2) | C3—C2—H2 | 119.00 |
C1—C2—C3 | 121.6 (2) | C2—C3—H3 | 120.00 |
C2—C3—C4 | 119.7 (2) | C4—C3—H3 | 120.00 |
O1—C4—C5 | 122.8 (2) | C4—C5—H5 | 120.00 |
C3—C4—C5 | 119.4 (2) | C6—C5—H5 | 120.00 |
O1—C4—C3 | 117.8 (2) | C1—C6—H6 | 119.00 |
C4—C5—C6 | 120.3 (2) | C5—C6—H6 | 119.00 |
C1—C6—C5 | 121.4 (2) | C7—C8—H8 | 119.00 |
C1—C7—C8 | 120.3 (2) | C9—C8—H8 | 119.00 |
C1—C7—C11 | 123.2 (2) | C8—C9—H9 | 122.00 |
C8—C7—C11 | 116.5 (2) | C10—C9—H9 | 122.00 |
C7—C8—C9 | 121.1 (2) | N1—C11—H11 | 118.00 |
C8—C9—C10 | 116.3 (2) | C7—C11—H11 | 118.00 |
F1—C10—N1 | 114.4 (2) | ||
C11—N1—C10—F1 | 177.63 (19) | C2—C3—C4—O1 | 177.2 (2) |
C11—N1—C10—C9 | −2.5 (4) | C2—C3—C4—C5 | −2.8 (3) |
C10—N1—C11—C7 | 1.2 (3) | O1—C4—C5—C6 | −176.9 (2) |
C6—C1—C2—C3 | 2.3 (3) | C3—C4—C5—C6 | 3.1 (3) |
C7—C1—C2—C3 | −176.1 (2) | C4—C5—C6—C1 | −0.7 (4) |
C2—C1—C6—C5 | −2.0 (3) | C1—C7—C8—C9 | 177.6 (2) |
C7—C1—C6—C5 | 176.5 (2) | C11—C7—C8—C9 | −2.6 (3) |
C2—C1—C7—C8 | 146.8 (2) | C1—C7—C11—N1 | −178.9 (2) |
C2—C1—C7—C11 | −33.1 (3) | C8—C7—C11—N1 | 1.2 (3) |
C6—C1—C7—C8 | −31.6 (3) | C7—C8—C9—C10 | 1.5 (3) |
C6—C1—C7—C11 | 148.5 (2) | C8—C9—C10—F1 | −178.9 (2) |
C1—C2—C3—C4 | 0.1 (3) | C8—C9—C10—N1 | 1.2 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1i | 0.82 | 2.08 | 2.891 (3) | 168 |
Symmetry code: (i) x, −y+1/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | C11H8FNO |
Mr | 189.18 |
Crystal system, space group | Orthorhombic, Pbca |
Temperature (K) | 296 |
a, b, c (Å) | 12.275 (3), 7.4343 (11), 19.328 (3) |
V (Å3) | 1763.8 (6) |
Z | 8 |
Radiation type | Mo Kα |
µ (mm−1) | 0.11 |
Crystal size (mm) | 0.28 × 0.22 × 0.18 |
Data collection | |
Diffractometer | Bruker Kappa APEXII CCD |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.975, 0.985 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7508, 1732, 896 |
Rint | 0.064 |
(sin θ/λ)max (Å−1) | 0.617 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.051, 0.123, 1.00 |
No. of reflections | 1732 |
No. of parameters | 128 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.18, −0.18 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009), WinGX (Farrugia, 1999) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1i | 0.82 | 2.08 | 2.891 (3) | 168 |
Symmetry code: (i) x, −y+1/2, z−1/2. |
Acknowledgements
The authors acknowledge the provision of funds for the purchase of a diffractometer and encouragement by Dr Muhammad Akram Chaudhary, Vice Chancellor, University of Sargodha, Pakistan. MA also acknowledges financial support from the World University Service, Germany, for an equipment grant and the Higher Education Commission, Pakistan, for a resource grant.
References
Adeel, M., Elahi, F., Tahir, M. N., Khan, A. & Langer, P. (2012). Acta Cryst. E68, o2043. CSD CrossRef IUCr Journals Google Scholar
Bruker (2005). SADABS. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Bruker (2007). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
Elahi, F., Adeel, M., Tahir, M. N., Langer, P. & Ahmad, S. (2012). Acta Cryst. E68, o2070. CSD CrossRef IUCr Journals Google Scholar
Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565. CrossRef IUCr Journals Google Scholar
Farrugia, L. J. (1999). J. Appl. Cryst. 32, 837–838. CrossRef CAS IUCr Journals Google Scholar
Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. Web of Science CrossRef CAS IUCr Journals Google Scholar
Spek, A. L. (2009). Acta Cryst. D65, 148–155. Web of Science CrossRef CAS IUCr Journals Google Scholar
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.
We have reported the crystal structure of 5-(4-fluorophenyl)-2-fluoropyridine (Elahi et al., 2012) and 5-(4-chlorophenyl)-2-fluoropyridine (Adeel et al., 2012) which are related to (I).
In (I) the 4-hydroxybenzene A (C1–C6/O1) and the 2-fluoropyridine B (C7—C11/N1/F1) are planar with r.m.s. deviations of 0.0222 Å and 0.0154 Å. The dihedral angle between A/B is 31.93 (6)°. There molecules are stabilized in the form of one-dimensional C(9) chains along the c-axis due to H-bondings of O—H···N type between hydroxy and pyridine groups (Table 1, Fig. 2). There exist π–π interaction between Cg1···Cg1i [i = 1/2 - x, -1/2 + y, z] and Cg1···Cg1ii [ii = 1/2 - x, 1/2 + y, z] at a distance of 3.7238 (16) Å, where Cg1 is the centroid of pyridine ring.