Literature DB >> 25249910

4-Fluoro-N-(4-hy-droxy-benzyl-idene)aniline.

L Jothi1, G Anuradha2, G Vasuki2, R Ramesh Babu3, K Ramamurthi4.   

Abstract

In the title compound, C13H10FNO, the benzene ring planes are inclined at an angle of 50.52 (8)°. A characteristic of aromatic Schiff bases with N-aryl substituents is that the terminal phenyl rings are twisted relative to the plane of the HC=N link between them. In this case, the HC=N unit makes dihedral angles of 10.6 (2) and 40.5 (2)° with the hy-droxy-benzene and fluro-benzene rings, respectively. In the crystal, O-H⋯N and C-H⋯F hydrogen bonds lead to the formation of chains along the c- and b-axis directions, respectively. C-H⋯π contacts link mol-ecules along a and these contacts combine to generate a three-dimensional network with mol-ecules stacked along the b-axis direction.

Entities:  

Keywords:  crystal structure

Year:  2014        PMID: 25249910      PMCID: PMC4158537          DOI: 10.1107/S1600536814015153

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For manufacturing and pharmaceutical applications of Schiff base compounds, see: Akkurt et al. (2013 ▶). For related structures, see: Li et al. (2008 ▶); Zhang (2010 ▶); Jothi et al., (2012a ▶,b ▶). For standard bond lengths, see: Allen et al. (1987 ▶) and for hydrogen-bond motifs, see: Bernstein et al. (1995 ▶).

Experimental

Crystal data

C13H10FNO M = 215.22 Orthorhombic, a = 11.0153 (8) Å b = 9.8596 (7) Å c = 9.5476 (6) Å V = 1036.93 (12) Å3 Z = 4 Mo Kα radiation μ = 0.10 mm−1 T = 296 K 0.30 × 0.20 × 0.20 mm

Data collection

Bruker KappaCCD APEXII diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2004 ▶) T min = 0.971, T max = 0.980 6612 measured reflections 1430 independent reflections 1282 reflections with I > 2σ(I) R int = 0.033 θmax = 23.4°

Refinement

R[F 2 > 2σ(F 2)] = 0.029 wR(F 2) = 0.078 S = 1.11 1430 reflections 146 parameters 1 restraint H-atom parameters constrained Δρmax = 0.13 e Å−3 Δρmin = −0.12 e Å−3 Data collection: APEX2 (Bruker, 2004 ▶); cell refinement: APEX2 and SAINT-Plus (Bruker, 2004 ▶); data reduction: SAINT-Plus and XPREP (Bruker, 2004 ▶); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: Mercury (Macrae et al., 2008 ▶); software used to prepare material for publication: WinGX (Farrugia, 2012 ▶) and PLATON (Spek, 2009 ▶). Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536814015153/sj5413sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536814015153/sj5413Isup2.hkl Click here for additional data file. Supporting information file. DOI: 10.1107/S1600536814015153/sj5413Isup3.cml CCDC reference: 924015 Additional supporting information: crystallographic information; 3D view; checkCIF report
C13H10FNOF(000) = 448
Mr = 215.22Dx = 1.379 Mg m3
Orthorhombic, Pca21Mo Kα radiation, λ = 0.71073 Å
Hall symbol: P 2c -2acCell parameters from 7057 reflections
a = 11.0153 (8) Åθ = 1.9–23.4°
b = 9.8596 (7) ŵ = 0.10 mm1
c = 9.5476 (6) ÅT = 296 K
V = 1036.93 (12) Å3Block, colourless
Z = 40.30 × 0.20 × 0.20 mm
Bruker KappaCCD APEXII diffractometer1430 independent reflections
Radiation source: fine-focus sealed tube1282 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.033
ω and φ scanθmax = 23.4°, θmin = 2.8°
Absorption correction: multi-scan (SADABS; Bruker, 2004)h = −12→12
Tmin = 0.971, Tmax = 0.980k = −10→10
6612 measured reflectionsl = −10→10
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.029Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.078H-atom parameters constrained
S = 1.11w = 1/[σ2(Fo2) + (0.0435P)2 + 0.103P] where P = (Fo2 + 2Fc2)/3
1430 reflections(Δ/σ)max < 0.001
146 parametersΔρmax = 0.13 e Å3
1 restraintΔρmin = −0.12 e Å3
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.
xyzUiso*/Ueq
C10.43955 (18)0.3194 (2)0.3175 (2)0.0396 (6)
C20.48448 (17)0.44366 (19)0.2735 (3)0.0385 (5)
H20.55780.47540.30910.046*
C30.42173 (17)0.5198 (2)0.1781 (3)0.0385 (5)
H30.45260.60340.15020.046*
C40.31198 (18)0.4740 (2)0.1219 (2)0.0366 (5)
C50.26905 (18)0.3484 (2)0.1656 (3)0.0448 (6)
H50.19630.31590.12950.054*
C60.33162 (18)0.2716 (2)0.2608 (3)0.0467 (6)
H60.30180.18730.28750.056*
C70.23844 (18)0.5576 (2)0.0292 (3)0.0393 (5)
H70.15980.52870.01000.047*
C80.18716 (17)0.7493 (2)−0.1001 (3)0.0371 (5)
C90.2246 (2)0.8203 (2)−0.2169 (3)0.0462 (6)
H90.30510.8148−0.24570.055*
C100.1439 (2)0.8992 (2)−0.2914 (3)0.0546 (6)
H100.16870.9455−0.37130.066*
C110.0271 (2)0.9080 (2)−0.2453 (3)0.0561 (7)
C12−0.0118 (2)0.8445 (3)−0.1267 (3)0.0554 (7)
H12−0.09130.8554−0.09570.067*
C130.06838 (18)0.7641 (2)−0.0534 (3)0.0470 (6)
H130.04300.71960.02740.056*
N10.27379 (14)0.66729 (17)−0.02753 (19)0.0379 (4)
O10.49408 (13)0.24314 (15)0.41734 (19)0.0509 (4)
H10.56370.27010.42940.076*
F1−0.05262 (16)0.98467 (18)−0.3178 (2)0.0888 (6)
U11U22U33U12U13U23
C10.0291 (11)0.0482 (13)0.0415 (15)0.0067 (10)0.0037 (9)−0.0017 (10)
C20.0253 (10)0.0462 (12)0.0441 (14)−0.0021 (9)−0.0006 (10)−0.0035 (11)
C30.0299 (11)0.0417 (11)0.0438 (14)−0.0023 (9)0.0012 (11)−0.0019 (10)
C40.0284 (11)0.0433 (12)0.0380 (14)0.0013 (9)0.0023 (9)−0.0036 (10)
C50.0280 (11)0.0515 (12)0.0547 (16)−0.0028 (9)−0.0059 (10)−0.0035 (12)
C60.0328 (12)0.0468 (12)0.0606 (17)−0.0038 (9)0.0004 (11)0.0034 (12)
C70.0273 (10)0.0473 (12)0.0432 (14)0.0004 (10)−0.0030 (9)−0.0087 (12)
C80.0312 (10)0.0407 (11)0.0395 (13)0.0008 (9)−0.0042 (10)−0.0055 (10)
C90.0421 (12)0.0463 (12)0.0503 (16)−0.0015 (10)0.0065 (11)−0.0027 (12)
C100.0680 (17)0.0474 (13)0.0483 (17)0.0061 (11)0.0002 (13)0.0047 (12)
C110.0619 (16)0.0514 (14)0.0549 (18)0.0215 (12)−0.0119 (13)−0.0033 (13)
C120.0403 (12)0.0686 (16)0.0574 (18)0.0146 (12)−0.0034 (12)−0.0081 (14)
C130.0367 (12)0.0595 (14)0.0447 (16)0.0075 (11)0.0020 (10)0.0027 (11)
N10.0297 (8)0.0458 (9)0.0383 (11)0.0018 (8)0.0003 (8)−0.0037 (9)
O10.0353 (7)0.0614 (9)0.0561 (11)−0.0015 (8)−0.0049 (7)0.0140 (9)
F10.0971 (12)0.0911 (11)0.0781 (12)0.0487 (10)−0.0175 (10)0.0104 (10)
C1—O11.355 (3)C8—C91.379 (3)
C1—C21.386 (3)C8—C131.390 (3)
C1—C61.389 (3)C8—N11.430 (3)
C2—C31.368 (3)C9—C101.379 (3)
C2—H20.9300C9—H90.9300
C3—C41.398 (3)C10—C111.362 (3)
C3—H30.9300C10—H100.9300
C4—C51.389 (3)C11—F11.350 (3)
C4—C71.456 (3)C11—C121.363 (4)
C5—C61.369 (3)C12—C131.378 (3)
C5—H50.9300C12—H120.9300
C6—H60.9300C13—H130.9300
C7—N11.270 (3)O1—H10.8200
C7—H70.9300
O1—C1—C2123.07 (19)C9—C8—C13119.2 (2)
O1—C1—C6117.74 (19)C9—C8—N1118.62 (18)
C2—C1—C6119.2 (2)C13—C8—N1122.1 (2)
C3—C2—C1120.44 (19)C10—C9—C8120.7 (2)
C3—C2—H2119.8C10—C9—H9119.7
C1—C2—H2119.8C8—C9—H9119.7
C2—C3—C4121.00 (19)C11—C10—C9118.6 (2)
C2—C3—H3119.5C11—C10—H10120.7
C4—C3—H3119.5C9—C10—H10120.7
C5—C4—C3117.9 (2)F1—C11—C10119.0 (3)
C5—C4—C7119.87 (18)F1—C11—C12118.6 (2)
C3—C4—C7122.09 (18)C10—C11—C12122.4 (2)
C6—C5—C4121.40 (19)C11—C12—C13119.0 (2)
C6—C5—H5119.3C11—C12—H12120.5
C4—C5—H5119.3C13—C12—H12120.5
C5—C6—C1120.1 (2)C12—C13—C8120.1 (2)
C5—C6—H6119.9C12—C13—H13120.0
C1—C6—H6119.9C8—C13—H13120.0
N1—C7—C4124.80 (18)C7—N1—C8118.89 (16)
N1—C7—H7117.6C1—O1—H1109.5
C4—C7—H7117.6
O1—C1—C2—C3−176.2 (2)N1—C8—C9—C10179.1 (2)
C6—C1—C2—C31.7 (3)C8—C9—C10—C111.5 (3)
C1—C2—C3—C4−0.7 (3)C9—C10—C11—F1−179.8 (2)
C2—C3—C4—C5−0.3 (3)C9—C10—C11—C121.7 (4)
C2—C3—C4—C7174.8 (2)F1—C11—C12—C13178.8 (2)
C3—C4—C5—C60.1 (3)C10—C11—C12—C13−2.6 (4)
C7—C4—C5—C6−175.1 (2)C11—C12—C13—C80.4 (4)
C4—C5—C6—C11.0 (4)C9—C8—C13—C122.6 (3)
O1—C1—C6—C5176.2 (2)N1—C8—C13—C12179.8 (2)
C2—C1—C6—C5−1.9 (3)C4—C7—N1—C8−171.2 (2)
C5—C4—C7—N1−172.8 (2)C9—C8—N1—C7−145.9 (2)
C3—C4—C7—N112.2 (3)C13—C8—N1—C736.9 (3)
C13—C8—C9—C10−3.6 (3)
D—H···AD—HH···AD···AD—H···A
O1—H1···N1i0.821.942.756 (2)176
C9—H9···F1ii0.932.613.263 (3)127
C13—H13···Cgiii0.932.833.710 (3)157
Table 1

Hydrogen-bond geometry (Å, °)

Cg is the centroid of the C1–C6 benzene ring.

D—H⋯A D—HH⋯A DA D—H⋯A
O1—H1⋯N1i 0.821.942.756 (2)176
C9—H9⋯F1ii 0.932.613.263 (3)127
C13—H13⋯Cg iii 0.932.833.710 (3)157

Symmetry codes: (i) ; (ii) ; (iii) .

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