organic compounds
N-(4-Fluorobenzoyl)-2-hydroxy-4-methylbenzohydrazide
aState Key Laboratory Base of Novel Functional Materials and Preparation Science, Institute of Solid Materials Chemistry, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, People's Republic of China, and bZhejiang Textile and Fashion College, Ningbo 315211, People's Republic of China
*Correspondence e-mail: leikeweipublic@hotmail.com
In the title compound, C15H13FN2O3, the aromatic rings are aligned at an angle of 10.15 (3)°. The molecules are packed with π–π stacking interactions [mean interplanar distances of 3.339 (2) and 3.357 (3) Å] and the is stabilized by intermolecular N—H⋯O and O—H⋯O hydrogen bonds. An intramolecular N—H⋯O interaction also occurs.
Related literature
For background on the chemistry of salicylic acid, see: Dou et al. (2006). For related compounds, see: John et al. (2005, 2006); Liu et al. (2001); Majumder et al. (2006); Moon et al. (2006).
Experimental
Crystal data
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Data collection
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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, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536808029292/ng2492sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808029292/ng2492Isup2.hkl
4-fluorobenzoyl chloride (0.795 g, 5 mmol) and 2-hydroxy-4-methylbenzohydrazide (0.830 g, 5 mmol) were added to 30 ml of DMF solution with an external ice–water bath. When 0.607 g (6 mmol) of triethylamine was added, a white suspension immediately appeared. The suspension was then filtered. The left solution was volume reduced to about one-third on rotary evaporator. After 7 days crystals of the title compound were obtained from the left solution. Yield: 92.2%. Melting point: 217–226 °C. Calcd. for C15H13FN2O3: C, 62.50; H, 4.51; N, 9.72; Found: C, 62.24; H, 4.55; N, 9.65%
All H atoms were placed in geometrically idealized positions and constrained to ride on their parent atoms (C—H = 0.93 Å; N—H = 0.86 Å; O—H = 0.82 Å) and Uiso(H) values weren taken to be equal to 1.2 Ueq(C, N) and 1.5Ueq(O).
Data collection: APEX2 (Bruker, 2007); cell
APEX2 (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: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. The structure of (I), showing 30% probability displacement ellipsoids and the atom-numbering scheme. | |
Fig. 2. A view of π–π stacking of (I) and H bonds. |
C15H13FN2O3 | Z = 2 |
Mr = 288.27 | F(000) = 300 |
Triclinic, P1 | Dx = 1.468 Mg m−3 |
Hall symbol: -P 1 | Melting point = 490–499 K |
a = 7.0969 (13) Å | Mo Kα radiation, λ = 0.71073 Å |
b = 7.2994 (14) Å | Cell parameters from 6530 reflections |
c = 13.701 (3) Å | θ = 1.6–27.6° |
α = 102.854 (2)° | µ = 0.11 mm−1 |
β = 97.754 (3)° | T = 296 K |
γ = 105.538 (1)° | Block, colourless |
V = 652.2 (2) Å3 | 0.54 × 0.30 × 0.25 mm |
Bruker Kappa APEXII diffractometer | 2090 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed tube | Rint = 0.024 |
Graphite monochromator | θmax = 25.0°, θmin = 1.6° |
Detector resolution: 0 pixels mm-1 | h = −8→8 |
ω scans | k = −8→8 |
4591 measured reflections | l = −16→16 |
2274 independent 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)] = 0.047 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.139 | H-atom parameters constrained |
S = 1.02 | w = 1/[σ2(Fo2) + (0.093P)2 + 0.2642P] where P = (Fo2 + 2Fc2)/3 |
2274 reflections | (Δ/σ)max = 0.001 |
191 parameters | Δρmax = 0.39 e Å−3 |
0 restraints | Δρmin = −0.45 e Å−3 |
C15H13FN2O3 | γ = 105.538 (1)° |
Mr = 288.27 | V = 652.2 (2) Å3 |
Triclinic, P1 | Z = 2 |
a = 7.0969 (13) Å | Mo Kα radiation |
b = 7.2994 (14) Å | µ = 0.11 mm−1 |
c = 13.701 (3) Å | T = 296 K |
α = 102.854 (2)° | 0.54 × 0.30 × 0.25 mm |
β = 97.754 (3)° |
Bruker Kappa APEXII diffractometer | 2090 reflections with I > 2σ(I) |
4591 measured reflections | Rint = 0.024 |
2274 independent reflections |
R[F2 > 2σ(F2)] = 0.047 | 0 restraints |
wR(F2) = 0.139 | H-atom parameters constrained |
S = 1.02 | Δρmax = 0.39 e Å−3 |
2274 reflections | Δρmin = −0.45 e Å−3 |
191 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 | 1.5146 (3) | 0.7327 (3) | 0.90895 (14) | 0.0382 (4) | |
H1A | 1.5688 | 0.6263 | 0.9116 | 0.057* | |
H1B | 1.4846 | 0.7824 | 0.9741 | 0.057* | |
H1C | 1.6105 | 0.8366 | 0.8931 | 0.057* | |
C2 | 1.3255 (2) | 0.6585 (2) | 0.82719 (12) | 0.0275 (4) | |
C3 | 1.1619 (2) | 0.7274 (2) | 0.83934 (12) | 0.0291 (4) | |
H3A | 1.1679 | 0.8211 | 0.8990 | 0.035* | |
C4 | 0.9911 (2) | 0.6566 (2) | 0.76276 (12) | 0.0256 (4) | |
H4A | 0.8839 | 0.7043 | 0.7722 | 0.031* | |
C5 | 1.3107 (2) | 0.5166 (2) | 0.73751 (12) | 0.0260 (4) | |
H5A | 1.4184 | 0.4696 | 0.7285 | 0.031* | |
C6 | 1.1384 (2) | 0.4435 (2) | 0.66103 (11) | 0.0227 (3) | |
C7 | 0.9748 (2) | 0.5153 (2) | 0.67156 (11) | 0.0215 (3) | |
C8 | 0.7818 (2) | 0.4502 (2) | 0.59554 (11) | 0.0210 (3) | |
C9 | 0.5611 (2) | 0.0444 (2) | 0.37524 (11) | 0.0225 (3) | |
C10 | 0.3744 (2) | −0.0450 (2) | 0.29516 (12) | 0.0228 (4) | |
C11 | 0.3805 (2) | −0.1729 (2) | 0.20387 (12) | 0.0292 (4) | |
H11A | 0.4995 | −0.1983 | 0.1948 | 0.035* | |
C12 | 0.1944 (2) | −0.0106 (2) | 0.30968 (12) | 0.0258 (4) | |
H12A | 0.1892 | 0.0725 | 0.3708 | 0.031* | |
C13 | 0.0234 (2) | −0.1002 (2) | 0.23314 (13) | 0.0298 (4) | |
H13A | −0.0972 | −0.0786 | 0.2422 | 0.036* | |
C14 | 0.2107 (3) | −0.2622 (3) | 0.12657 (13) | 0.0332 (4) | |
H14A | 0.2140 | −0.3465 | 0.0654 | 0.040* | |
C15 | 0.0363 (2) | −0.2216 (2) | 0.14356 (13) | 0.0311 (4) | |
F | −0.13083 (16) | −0.30700 (16) | 0.06798 (8) | 0.0459 (3) | |
N1 | 0.76066 (18) | 0.30055 (19) | 0.51310 (10) | 0.0239 (3) | |
H1D | 0.8590 | 0.2550 | 0.5049 | 0.029* | |
N2 | 0.58263 (18) | 0.21862 (18) | 0.44102 (9) | 0.0223 (3) | |
H2A | 0.4916 | 0.2760 | 0.4386 | 0.027* | |
O1 | 1.12712 (16) | 0.30064 (17) | 0.57426 (8) | 0.0287 (3) | |
H1E | 1.1820 | 0.2223 | 0.5895 | 0.043* | |
O2 | 0.64816 (15) | 0.52694 (16) | 0.60736 (8) | 0.0270 (3) | |
O3 | 0.69450 (16) | −0.03614 (17) | 0.38199 (9) | 0.0320 (3) |
U11 | U22 | U33 | U12 | U13 | U23 | |
C1 | 0.0302 (9) | 0.0413 (10) | 0.0360 (9) | 0.0091 (8) | −0.0048 (7) | 0.0057 (8) |
C2 | 0.0260 (8) | 0.0262 (8) | 0.0273 (8) | 0.0051 (6) | −0.0005 (6) | 0.0084 (6) |
C3 | 0.0343 (9) | 0.0250 (8) | 0.0252 (8) | 0.0118 (7) | 0.0003 (7) | 0.0014 (6) |
C4 | 0.0285 (8) | 0.0245 (8) | 0.0259 (8) | 0.0134 (6) | 0.0045 (6) | 0.0056 (6) |
C5 | 0.0204 (8) | 0.0303 (8) | 0.0308 (8) | 0.0111 (6) | 0.0054 (6) | 0.0111 (7) |
C6 | 0.0243 (7) | 0.0233 (7) | 0.0228 (7) | 0.0099 (6) | 0.0049 (6) | 0.0074 (6) |
C7 | 0.0222 (8) | 0.0202 (7) | 0.0231 (8) | 0.0085 (6) | 0.0026 (6) | 0.0071 (6) |
C8 | 0.0217 (7) | 0.0220 (7) | 0.0225 (7) | 0.0102 (6) | 0.0052 (6) | 0.0079 (6) |
C9 | 0.0229 (8) | 0.0233 (8) | 0.0244 (7) | 0.0119 (6) | 0.0056 (6) | 0.0064 (6) |
C10 | 0.0231 (8) | 0.0194 (7) | 0.0251 (8) | 0.0068 (6) | 0.0023 (6) | 0.0057 (6) |
C11 | 0.0261 (8) | 0.0307 (9) | 0.0293 (8) | 0.0102 (7) | 0.0042 (6) | 0.0043 (7) |
C12 | 0.0263 (8) | 0.0201 (7) | 0.0310 (8) | 0.0089 (6) | 0.0043 (6) | 0.0056 (6) |
C13 | 0.0226 (8) | 0.0249 (8) | 0.0417 (9) | 0.0074 (6) | 0.0017 (7) | 0.0114 (7) |
C14 | 0.0371 (9) | 0.0316 (9) | 0.0244 (8) | 0.0078 (7) | 0.0009 (7) | 0.0015 (7) |
C15 | 0.0273 (8) | 0.0267 (8) | 0.0333 (9) | 0.0027 (6) | −0.0064 (7) | 0.0107 (7) |
F | 0.0361 (6) | 0.0447 (7) | 0.0410 (6) | 0.0040 (5) | −0.0165 (5) | 0.0046 (5) |
N1 | 0.0192 (6) | 0.0269 (7) | 0.0242 (7) | 0.0128 (5) | −0.0015 (5) | 0.0011 (5) |
N2 | 0.0184 (6) | 0.0238 (7) | 0.0241 (6) | 0.0112 (5) | −0.0011 (5) | 0.0024 (5) |
O1 | 0.0284 (6) | 0.0353 (6) | 0.0252 (6) | 0.0208 (5) | 0.0023 (4) | 0.0026 (5) |
O2 | 0.0255 (6) | 0.0305 (6) | 0.0271 (6) | 0.0171 (5) | 0.0025 (4) | 0.0032 (5) |
O3 | 0.0293 (6) | 0.0300 (6) | 0.0353 (6) | 0.0180 (5) | −0.0014 (5) | 0.0004 (5) |
C1—C2 | 1.511 (2) | C9—N2 | 1.342 (2) |
C1—H1A | 0.9601 | C9—C10 | 1.487 (2) |
C1—H1B | 0.9601 | C10—C12 | 1.397 (2) |
C1—H1C | 0.9601 | C10—C11 | 1.398 (2) |
C2—C5 | 1.390 (2) | C11—C14 | 1.388 (2) |
C2—C3 | 1.399 (2) | C11—H11A | 0.9300 |
C3—C4 | 1.385 (2) | C12—C13 | 1.388 (2) |
C3—H3A | 0.9300 | C12—H12A | 0.9300 |
C4—C7 | 1.401 (2) | C13—C15 | 1.375 (3) |
C4—H4A | 0.9300 | C13—H13A | 0.9300 |
C5—C6 | 1.391 (2) | C14—C15 | 1.385 (3) |
C5—H5A | 0.9300 | C14—H14A | 0.9300 |
C6—O1 | 1.3732 (19) | C15—F | 1.3614 (18) |
C6—C7 | 1.407 (2) | N1—N2 | 1.3875 (17) |
C7—C8 | 1.494 (2) | N1—H1D | 0.8600 |
C8—O2 | 1.2351 (18) | N2—H2A | 0.8600 |
C8—N1 | 1.345 (2) | O1—H1E | 0.8200 |
C9—O3 | 1.2451 (19) | ||
C2—C1—H1A | 109.5 | O3—C9—C10 | 122.26 (13) |
C2—C1—H1B | 109.5 | N2—C9—C10 | 117.42 (12) |
H1A—C1—H1B | 109.5 | C12—C10—C11 | 119.65 (14) |
C2—C1—H1C | 109.5 | C12—C10—C9 | 122.36 (14) |
H1A—C1—H1C | 109.5 | C11—C10—C9 | 117.95 (13) |
H1B—C1—H1C | 109.5 | C14—C11—C10 | 120.64 (15) |
C5—C2—C3 | 118.40 (14) | C14—C11—H11A | 119.7 |
C5—C2—C1 | 119.88 (15) | C10—C11—H11A | 119.7 |
C3—C2—C1 | 121.71 (15) | C13—C12—C10 | 120.17 (15) |
C4—C3—C2 | 120.21 (14) | C13—C12—H12A | 119.9 |
C4—C3—H3A | 119.9 | C10—C12—H12A | 119.9 |
C2—C3—H3A | 119.9 | C15—C13—C12 | 118.47 (15) |
C3—C4—C7 | 122.03 (14) | C15—C13—H13A | 120.8 |
C3—C4—H4A | 119.0 | C12—C13—H13A | 120.8 |
C7—C4—H4A | 119.0 | C15—C14—C11 | 117.78 (15) |
C2—C5—C6 | 121.48 (14) | C15—C14—H14A | 121.1 |
C2—C5—H5A | 119.3 | C11—C14—H14A | 121.1 |
C6—C5—H5A | 119.3 | F—C15—C13 | 118.40 (15) |
O1—C6—C5 | 120.01 (13) | F—C15—C14 | 118.34 (15) |
O1—C6—C7 | 119.48 (13) | C13—C15—C14 | 123.26 (15) |
C5—C6—C7 | 120.50 (14) | C8—N1—N2 | 121.02 (12) |
C4—C7—C6 | 117.33 (14) | C8—N1—H1D | 119.5 |
C4—C7—C8 | 116.67 (13) | N2—N1—H1D | 119.5 |
C6—C7—C8 | 125.97 (14) | C9—N2—N1 | 115.98 (12) |
O2—C8—N1 | 121.54 (13) | C9—N2—H2A | 122.0 |
O2—C8—C7 | 122.52 (13) | N1—N2—H2A | 122.0 |
N1—C8—C7 | 115.94 (12) | C6—O1—H1E | 109.5 |
O3—C9—N2 | 120.31 (14) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1D···O1 | 0.86 | 1.92 | 2.6224 (19) | 139 |
O1—H1E···O3i | 0.82 | 1.88 | 2.7035 (18) | 177 |
N2—H2A···O2ii | 0.86 | 2.11 | 2.9079 (19) | 154 |
C4—H4A···O2 | 0.93 | 2.47 | 2.797 (2) | 101 |
Symmetry codes: (i) −x+2, −y, −z+1; (ii) −x+1, −y+1, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C15H13FN2O3 |
Mr | 288.27 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 296 |
a, b, c (Å) | 7.0969 (13), 7.2994 (14), 13.701 (3) |
α, β, γ (°) | 102.854 (2), 97.754 (3), 105.538 (1) |
V (Å3) | 652.2 (2) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.11 |
Crystal size (mm) | 0.54 × 0.30 × 0.25 |
Data collection | |
Diffractometer | Bruker Kappa APEXII diffractometer |
Absorption correction | – |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4591, 2274, 2090 |
Rint | 0.024 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.047, 0.139, 1.02 |
No. of reflections | 2274 |
No. of parameters | 191 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.39, −0.45 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
O1—C6—C5 | 120.01 (13) | N1—C8—C7 | 115.94 (12) |
O1—C6—C7 | 119.48 (13) | O3—C9—N2 | 120.31 (14) |
O2—C8—N1 | 121.54 (13) | O3—C9—C10 | 122.26 (13) |
O2—C8—C7 | 122.52 (13) | N2—C9—C10 | 117.42 (12) |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1D···O1 | 0.8597 | 1.9148 | 2.6224 (19) | 138.64 |
O1—H1E···O3i | 0.8202 | 1.8839 | 2.7035 (18) | 177.34 |
N2—H2A···O2ii | 0.8598 | 2.1091 | 2.9079 (19) | 154.32 |
Symmetry codes: (i) −x+2, −y, −z+1; (ii) −x+1, −y+1, −z+1. |
Acknowledgements
This project was supported by the Talent Fund of Ningbo University (grant No. 2006668) and sponsored by the K. C. Wong Magna Fund of Ningbo University.
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.
The chemistry of salicylic acid has attracted the interest of reseachers since 1860s in the application area of skin science. After a long period, investigations in this area have received a new impulse (Dou et al., 2006) and recently there has been notable progress especially regarding the synthesis of new derivatives. N-acylsalicylhydrazide is one of the important kind, which have been used extensively as ligands in the field of coordination chemistry. Some of the reasons are that the intramolecular hydrogen bond between the O and N atoms plays an important role in the formation of metal complexes, and the N-acylsalicylhydrazide compounds show photoluminescence in the solid state by proton transfer from the O atom to the N atom (Majumder et al., 2006). There several this kind of ligand have been reported, such as N-phenylsalicylhydrazidate (Liu et al., 2001), N-(2-methylpropanoyl)salicylhydrazide (John et al., 2005), N-cyclohexanoylsalicylhydrazidate (John et al., 2006), N-3-phenyl-trans-2-propenoylsalicylhydrazide (Moon et al., 2006) and so on. With the aim of gaining a deeper insight into the structural aspects responsible for the fluorescent properties in the solid state and crystallographic analysis of the title compound (I), has been carried out and the results are presented in this paper.
The molecular structure of (I), C15H13FN2O3, is illustrated in Fig. 1. The bond length and bond angle in (I) are within normal ranges. The bond distances between C—O of carbonyl are significantly shorter than C6—O1 bond distances (Table 1). Atom O1, O2, N1 and N2 are nearly coplanar with the plane of benzene rings that contain C2–C7. The O3 atomic deviation is 0.394 (2) Å from the plane of benzene rings that contain C10–C15 and 0.703 (2) Å from the plane of benzene rings that contain C2–C7. The dihedral angel between the two planes of benzene rings is 10.15 (3)°.
The mean interplanar distance of 3.339 (2) Å between the plane of benzene rings that contain C2–C7 and 3.357 (3) Å between the plane of benzene rings that contain C10–C15 respectively suggests that the ligands are engaged in π–π stacking interactions with a offset face-to-face style. The molecular conformation is characterized by an N—H···O and C—H···O hydrogen bonds and the crystal packing is stabilized by N—H···O and O—H···O hydrogen bonds(Fig. 2).