organic compounds
2-(4-Fluorophenyl)-1-(4-methoxyphenyl)-1H-phenanthro[9,10-d]imidazole
aDepartment of Physics, Shri Angalamman College of Engineering and Technology, Siruganoor, Tiruchirappalli 621 105, India, bDepartment of Chemistry, Annamalai University, Annamalainagar 608 002, India, and cDepartment of Physics, Urumu Dhanalakshmi College, Tiruchirappalli 620 019, India
*Correspondence e-mail: sakthi2udc@gmail.com
In the title compound, C28H19FN2O, the phenanthrene fused with an imidazole ring, constituting an essentially planar tetracyclic system [maximum deviation = 0.032 (2) Å], makes dihedral angles of 60.83 (4) and 80.55 (4)° with the fluorobenzene and methoxybenzene rings, respectively. The dihedral angle between the the methoxybenzene and fluorobenzene rings is 69.45 (6)°. In the crystal, C—H⋯O hydrogen bonds connect the molecules into infinite strands along the b axis. The is further consolidated by C—H⋯π interactions.
Related literature
For background to the supramolecular architecture of phenanthrene derivatives, see: Krebs & Spanggaard (2002); Bian et al. (2002); Che et al. (2008); Stephenson & Hardie (2006). For the crystal structures of closely related compounds, see: Yuan et al. (2011); Krebs et al. (2001).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2008); cell APEX2 and SAINT (Bruker, 2008); data reduction: SAINT and XPREP (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON.
Supporting information
10.1107/S1600536813003504/pv2618sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536813003504/pv2618Isup2.hkl
A mixture of phenanthrene-9,10-dione (1.0 g, 4.8 mmol), ammonium acetate (1.48 g, 19.2 mmol), 4-fluorobenzaldehyde (0.6 g, 4.3 mmol) and 4-methoxy aniline (2.95 g, 24 mmol) were refluxed in ethanol (20 ml) at 353 K. The reaction was monitored by TLC and purified by coloumn chromotography using petroleum ether:ethyl acetate (9:1) as the
Yield: 0.84 g(50%). The compound was dissolved in dimethyl sulfoxide and allowed to evaporate slowly, until single crystals were grown.The hydrogen atoms were placed in calculated positions with C–H = 0.93 Å to 0.96 Å, refined in the riding model with fixed isotropic displacement parameters: Uiso(H) = 1.5Ueq(C)for methyl group and Uiso(H) = 1.2Ueq(C)for other groups.
Data collection: APEX2 (Bruker, 2008); cell
APEX2 and SAINT (Bruker, 2008); data reduction: SAINT and XPREP (Bruker, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: PLATON (Spek, 2009).Fig. 1. The molecular structure of the title compound with displacement ellipsoids for non-H atoms drawn at the 30% probability level. | |
Fig. 2. A unit cell packing diagram for the title compound. Intermolecular hydrogen bonds are shown as dashed lines. |
C28H19FN2O | Z = 2 |
Mr = 418.45 | F(000) = 436 |
Triclinic, P1 | Dx = 1.315 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 9.6430 (3) Å | Cell parameters from 9741 reflections |
b = 9.8980 (3) Å | θ = 2.3–28.5° |
c = 12.3070 (4) Å | µ = 0.09 mm−1 |
α = 77.432 (1)° | T = 293 K |
β = 71.621 (1)° | Block, colourless |
γ = 73.158 (1)° | 0.30 × 0.20 × 0.20 mm |
V = 1056.57 (6) Å3 |
Bruker Kappa APEXII CCD diffractometer | 3723 independent reflections |
Radiation source: fine-focus sealed tube | 3183 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.026 |
ω and ϕ scans | θmax = 25.0°, θmin = 2.2° |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | h = −11→11 |
Tmin = 0.975, Tmax = 0.983 | k = −11→11 |
18612 measured reflections | l = −14→14 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.035 | H-atom parameters constrained |
wR(F2) = 0.098 | w = 1/[σ2(Fo2) + (0.0449P)2 + 0.2676P] where P = (Fo2 + 2Fc2)/3 |
S = 1.03 | (Δ/σ)max < 0.001 |
3723 reflections | Δρmax = 0.16 e Å−3 |
290 parameters | Δρmin = −0.22 e Å−3 |
0 restraints | Extinction correction: SHELXL97(Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.024 (2) |
C28H19FN2O | γ = 73.158 (1)° |
Mr = 418.45 | V = 1056.57 (6) Å3 |
Triclinic, P1 | Z = 2 |
a = 9.6430 (3) Å | Mo Kα radiation |
b = 9.8980 (3) Å | µ = 0.09 mm−1 |
c = 12.3070 (4) Å | T = 293 K |
α = 77.432 (1)° | 0.30 × 0.20 × 0.20 mm |
β = 71.621 (1)° |
Bruker Kappa APEXII CCD diffractometer | 3723 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2008) | 3183 reflections with I > 2σ(I) |
Tmin = 0.975, Tmax = 0.983 | Rint = 0.026 |
18612 measured reflections |
R[F2 > 2σ(F2)] = 0.035 | 0 restraints |
wR(F2) = 0.098 | H-atom parameters constrained |
S = 1.03 | Δρmax = 0.16 e Å−3 |
3723 reflections | Δρmin = −0.22 e Å−3 |
290 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 | 0.87342 (15) | −0.53172 (11) | 0.19476 (9) | 0.0846 (5) | |
O1 | 0.75909 (13) | 0.28562 (13) | 0.05490 (9) | 0.0612 (4) | |
N1 | 0.77067 (12) | −0.21988 (11) | 0.62054 (9) | 0.0372 (3) | |
N2 | 0.75022 (11) | −0.02316 (11) | 0.49070 (9) | 0.0347 (3) | |
C1 | 0.8505 (2) | −0.44158 (16) | 0.27061 (12) | 0.0515 (5) | |
C2 | 0.95884 (18) | −0.45772 (16) | 0.32493 (13) | 0.0540 (5) | |
C3 | 0.93452 (16) | −0.36453 (15) | 0.40117 (12) | 0.0443 (4) | |
C4 | 0.80356 (14) | −0.25828 (13) | 0.42219 (10) | 0.0352 (4) | |
C5 | 0.69707 (16) | −0.24510 (15) | 0.36438 (11) | 0.0426 (4) | |
C6 | 0.71958 (18) | −0.33777 (16) | 0.28835 (12) | 0.0495 (5) | |
C7 | 0.77576 (14) | −0.16916 (13) | 0.51172 (11) | 0.0346 (4) | |
C8 | 0.75523 (14) | 0.05865 (13) | 0.37811 (10) | 0.0345 (4) | |
C9 | 0.62372 (15) | 0.12625 (15) | 0.34724 (12) | 0.0434 (4) | |
C10 | 0.62899 (16) | 0.20068 (15) | 0.23842 (12) | 0.0466 (5) | |
C11 | 0.76621 (16) | 0.20770 (15) | 0.15961 (11) | 0.0424 (4) | |
C12 | 0.89759 (16) | 0.13796 (17) | 0.18988 (12) | 0.0495 (5) | |
C13 | 0.89114 (15) | 0.06387 (15) | 0.29966 (12) | 0.0448 (5) | |
C14 | 0.8964 (3) | 0.2975 (3) | −0.02895 (15) | 0.0935 (9) | |
C15 | 0.72865 (13) | 0.02155 (13) | 0.59578 (11) | 0.0345 (4) | |
C16 | 0.74054 (14) | −0.10143 (13) | 0.67333 (11) | 0.0348 (4) | |
C17 | 0.72237 (14) | −0.10002 (14) | 0.79297 (11) | 0.0377 (4) | |
C18 | 0.73089 (16) | −0.22537 (16) | 0.87221 (12) | 0.0458 (4) | |
C19 | 0.71638 (18) | −0.22088 (18) | 0.98554 (12) | 0.0542 (5) | |
C20 | 0.69353 (18) | −0.09137 (19) | 1.02226 (13) | 0.0567 (5) | |
C21 | 0.68346 (17) | 0.03217 (18) | 0.94647 (12) | 0.0505 (5) | |
C22 | 0.69645 (14) | 0.03262 (15) | 0.82916 (11) | 0.0395 (4) | |
C23 | 0.68514 (14) | 0.16372 (14) | 0.74603 (12) | 0.0400 (4) | |
C24 | 0.65660 (17) | 0.29785 (16) | 0.78018 (14) | 0.0515 (5) | |
C25 | 0.64649 (19) | 0.42041 (17) | 0.70328 (15) | 0.0582 (6) | |
C26 | 0.66392 (18) | 0.41572 (16) | 0.58804 (15) | 0.0558 (6) | |
C27 | 0.69159 (16) | 0.28783 (15) | 0.55041 (13) | 0.0468 (5) | |
C28 | 0.70222 (14) | 0.15991 (14) | 0.62762 (11) | 0.0376 (4) | |
H2 | 1.04664 | −0.52960 | 0.31090 | 0.0648* | |
H3 | 1.00705 | −0.37321 | 0.43891 | 0.0532* | |
H5 | 0.60945 | −0.17285 | 0.37710 | 0.0511* | |
H6 | 0.64780 | −0.33001 | 0.25013 | 0.0594* | |
H9 | 0.53134 | 0.12146 | 0.40014 | 0.0520* | |
H10 | 0.54020 | 0.24635 | 0.21777 | 0.0559* | |
H12 | 0.99020 | 0.14075 | 0.13664 | 0.0594* | |
H13 | 0.97971 | 0.01726 | 0.32035 | 0.0538* | |
H14A | 0.87564 | 0.35433 | −0.09847 | 0.1400* | |
H14B | 0.95092 | 0.34195 | 0.00023 | 0.1400* | |
H14C | 0.95552 | 0.20428 | −0.04544 | 0.1400* | |
H18 | 0.74654 | −0.31228 | 0.84751 | 0.0550* | |
H19 | 0.72181 | −0.30439 | 1.03784 | 0.0651* | |
H20 | 0.68497 | −0.08855 | 1.09919 | 0.0680* | |
H21 | 0.66766 | 0.11797 | 0.97296 | 0.0606* | |
H24 | 0.64426 | 0.30339 | 0.85727 | 0.0618* | |
H25 | 0.62775 | 0.50759 | 0.72854 | 0.0698* | |
H26 | 0.65681 | 0.49957 | 0.53619 | 0.0670* | |
H27 | 0.70353 | 0.28537 | 0.47281 | 0.0562* |
U11 | U22 | U33 | U12 | U13 | U23 | |
F1 | 0.1259 (10) | 0.0703 (7) | 0.0668 (7) | −0.0203 (7) | −0.0242 (6) | −0.0351 (5) |
O1 | 0.0734 (8) | 0.0768 (8) | 0.0390 (6) | −0.0346 (6) | −0.0239 (5) | 0.0159 (5) |
N1 | 0.0405 (6) | 0.0369 (6) | 0.0335 (6) | −0.0077 (5) | −0.0115 (5) | −0.0032 (4) |
N2 | 0.0374 (6) | 0.0361 (6) | 0.0299 (5) | −0.0095 (4) | −0.0095 (4) | −0.0018 (4) |
C1 | 0.0762 (11) | 0.0449 (8) | 0.0351 (7) | −0.0191 (8) | −0.0098 (7) | −0.0105 (6) |
C2 | 0.0594 (9) | 0.0454 (8) | 0.0468 (8) | 0.0009 (7) | −0.0089 (7) | −0.0113 (7) |
C3 | 0.0436 (8) | 0.0456 (8) | 0.0415 (7) | −0.0048 (6) | −0.0138 (6) | −0.0060 (6) |
C4 | 0.0385 (7) | 0.0354 (7) | 0.0303 (6) | −0.0103 (5) | −0.0082 (5) | −0.0012 (5) |
C5 | 0.0418 (7) | 0.0463 (8) | 0.0395 (7) | −0.0085 (6) | −0.0128 (6) | −0.0055 (6) |
C6 | 0.0603 (9) | 0.0570 (9) | 0.0387 (7) | −0.0216 (8) | −0.0182 (7) | −0.0045 (7) |
C7 | 0.0326 (6) | 0.0360 (7) | 0.0339 (7) | −0.0071 (5) | −0.0095 (5) | −0.0032 (5) |
C8 | 0.0375 (7) | 0.0349 (7) | 0.0307 (6) | −0.0102 (5) | −0.0087 (5) | −0.0023 (5) |
C9 | 0.0343 (7) | 0.0494 (8) | 0.0397 (7) | −0.0076 (6) | −0.0068 (6) | −0.0006 (6) |
C10 | 0.0440 (8) | 0.0481 (8) | 0.0467 (8) | −0.0072 (6) | −0.0201 (6) | 0.0020 (6) |
C11 | 0.0546 (8) | 0.0445 (8) | 0.0333 (7) | −0.0209 (6) | −0.0156 (6) | 0.0017 (6) |
C12 | 0.0419 (8) | 0.0664 (10) | 0.0369 (7) | −0.0213 (7) | −0.0046 (6) | 0.0022 (7) |
C13 | 0.0354 (7) | 0.0552 (9) | 0.0420 (8) | −0.0121 (6) | −0.0121 (6) | 0.0013 (6) |
C14 | 0.0953 (15) | 0.150 (2) | 0.0433 (10) | −0.0706 (15) | −0.0220 (10) | 0.0309 (11) |
C15 | 0.0314 (6) | 0.0392 (7) | 0.0331 (7) | −0.0088 (5) | −0.0088 (5) | −0.0047 (5) |
C16 | 0.0326 (6) | 0.0390 (7) | 0.0330 (7) | −0.0086 (5) | −0.0095 (5) | −0.0044 (5) |
C17 | 0.0331 (7) | 0.0463 (7) | 0.0333 (7) | −0.0092 (6) | −0.0094 (5) | −0.0045 (6) |
C18 | 0.0495 (8) | 0.0493 (8) | 0.0370 (7) | −0.0104 (6) | −0.0136 (6) | −0.0018 (6) |
C19 | 0.0598 (9) | 0.0637 (10) | 0.0354 (8) | −0.0143 (8) | −0.0147 (7) | 0.0031 (7) |
C20 | 0.0605 (10) | 0.0765 (11) | 0.0333 (7) | −0.0145 (8) | −0.0139 (7) | −0.0086 (7) |
C21 | 0.0499 (8) | 0.0625 (9) | 0.0419 (8) | −0.0117 (7) | −0.0119 (7) | −0.0162 (7) |
C22 | 0.0324 (7) | 0.0495 (8) | 0.0376 (7) | −0.0090 (6) | −0.0095 (5) | −0.0092 (6) |
C23 | 0.0324 (7) | 0.0450 (8) | 0.0452 (8) | −0.0089 (6) | −0.0112 (6) | −0.0112 (6) |
C24 | 0.0526 (9) | 0.0509 (9) | 0.0567 (9) | −0.0097 (7) | −0.0176 (7) | −0.0184 (7) |
C25 | 0.0623 (10) | 0.0434 (8) | 0.0745 (11) | −0.0118 (7) | −0.0198 (8) | −0.0190 (8) |
C26 | 0.0601 (10) | 0.0392 (8) | 0.0688 (11) | −0.0164 (7) | −0.0181 (8) | −0.0017 (7) |
C27 | 0.0513 (8) | 0.0422 (8) | 0.0478 (8) | −0.0154 (6) | −0.0133 (7) | −0.0023 (6) |
C28 | 0.0325 (7) | 0.0395 (7) | 0.0418 (7) | −0.0100 (5) | −0.0101 (5) | −0.0059 (6) |
F1—C1 | 1.3544 (19) | C20—C21 | 1.366 (2) |
O1—C11 | 1.3612 (17) | C21—C22 | 1.4084 (19) |
O1—C14 | 1.417 (3) | C22—C23 | 1.4673 (19) |
N1—C7 | 1.3146 (17) | C23—C24 | 1.405 (2) |
N1—C16 | 1.3770 (16) | C23—C28 | 1.4217 (19) |
N2—C7 | 1.3737 (16) | C24—C25 | 1.366 (2) |
N2—C8 | 1.4388 (16) | C25—C26 | 1.384 (2) |
N2—C15 | 1.3920 (17) | C26—C27 | 1.367 (2) |
C1—C2 | 1.364 (3) | C27—C28 | 1.407 (2) |
C1—C6 | 1.367 (2) | C2—H2 | 0.9300 |
C2—C3 | 1.378 (2) | C3—H3 | 0.9300 |
C3—C4 | 1.382 (2) | C5—H5 | 0.9300 |
C4—C5 | 1.386 (2) | C6—H6 | 0.9300 |
C4—C7 | 1.4710 (18) | C9—H9 | 0.9300 |
C5—C6 | 1.376 (2) | C10—H10 | 0.9300 |
C8—C9 | 1.379 (2) | C12—H12 | 0.9300 |
C8—C13 | 1.368 (2) | C13—H13 | 0.9300 |
C9—C10 | 1.374 (2) | C14—H14A | 0.9600 |
C10—C11 | 1.382 (2) | C14—H14B | 0.9600 |
C11—C12 | 1.378 (2) | C14—H14C | 0.9600 |
C12—C13 | 1.382 (2) | C18—H18 | 0.9300 |
C15—C16 | 1.3742 (18) | C19—H19 | 0.9300 |
C15—C28 | 1.4361 (18) | C20—H20 | 0.9300 |
C16—C17 | 1.4296 (18) | C21—H21 | 0.9300 |
C17—C18 | 1.401 (2) | C24—H24 | 0.9300 |
C17—C22 | 1.407 (2) | C25—H25 | 0.9300 |
C18—C19 | 1.367 (2) | C26—H26 | 0.9300 |
C19—C20 | 1.386 (2) | C27—H27 | 0.9300 |
C11—O1—C14 | 117.86 (15) | C24—C23—C28 | 117.36 (13) |
C7—N1—C16 | 104.70 (10) | C23—C24—C25 | 121.83 (15) |
C7—N2—C8 | 123.87 (10) | C24—C25—C26 | 120.46 (15) |
C7—N2—C15 | 106.27 (10) | C25—C26—C27 | 120.02 (15) |
C8—N2—C15 | 129.77 (11) | C26—C27—C28 | 120.82 (14) |
F1—C1—C2 | 118.77 (15) | C15—C28—C23 | 116.05 (12) |
F1—C1—C6 | 118.08 (16) | C15—C28—C27 | 124.42 (12) |
C2—C1—C6 | 123.15 (15) | C23—C28—C27 | 119.53 (12) |
C1—C2—C3 | 118.13 (15) | C1—C2—H2 | 121.00 |
C2—C3—C4 | 120.75 (15) | C3—C2—H2 | 121.00 |
C3—C4—C5 | 119.16 (12) | C2—C3—H3 | 120.00 |
C3—C4—C7 | 119.08 (13) | C4—C3—H3 | 120.00 |
C5—C4—C7 | 121.60 (12) | C4—C5—H5 | 120.00 |
C4—C5—C6 | 120.71 (14) | C6—C5—H5 | 120.00 |
C1—C6—C5 | 118.09 (16) | C1—C6—H6 | 121.00 |
N1—C7—N2 | 112.64 (11) | C5—C6—H6 | 121.00 |
N1—C7—C4 | 123.91 (11) | C8—C9—H9 | 120.00 |
N2—C7—C4 | 123.44 (11) | C10—C9—H9 | 120.00 |
N2—C8—C9 | 120.21 (12) | C9—C10—H10 | 120.00 |
N2—C8—C13 | 119.79 (12) | C11—C10—H10 | 120.00 |
C9—C8—C13 | 119.93 (12) | C11—C12—H12 | 120.00 |
C8—C9—C10 | 120.09 (14) | C13—C12—H12 | 120.00 |
C9—C10—C11 | 120.04 (15) | C8—C13—H13 | 120.00 |
O1—C11—C10 | 115.43 (14) | C12—C13—H13 | 120.00 |
O1—C11—C12 | 124.75 (14) | O1—C14—H14A | 109.00 |
C10—C11—C12 | 119.82 (13) | O1—C14—H14B | 109.00 |
C11—C12—C13 | 119.72 (14) | O1—C14—H14C | 109.00 |
C8—C13—C12 | 120.40 (14) | H14A—C14—H14B | 109.00 |
N2—C15—C16 | 104.95 (11) | H14A—C14—H14C | 109.00 |
N2—C15—C28 | 132.25 (11) | H14B—C14—H14C | 110.00 |
C16—C15—C28 | 122.79 (12) | C17—C18—H18 | 120.00 |
N1—C16—C15 | 111.44 (11) | C19—C18—H18 | 120.00 |
N1—C16—C17 | 126.47 (11) | C18—C19—H19 | 120.00 |
C15—C16—C17 | 122.10 (12) | C20—C19—H19 | 120.00 |
C16—C17—C18 | 121.87 (12) | C19—C20—H20 | 120.00 |
C16—C17—C22 | 117.60 (12) | C21—C20—H20 | 120.00 |
C18—C17—C22 | 120.53 (12) | C20—C21—H21 | 119.00 |
C17—C18—C19 | 120.48 (14) | C22—C21—H21 | 119.00 |
C18—C19—C20 | 119.75 (15) | C23—C24—H24 | 119.00 |
C19—C20—C21 | 120.61 (14) | C25—C24—H24 | 119.00 |
C20—C21—C22 | 121.54 (15) | C24—C25—H25 | 120.00 |
C17—C22—C21 | 117.08 (13) | C26—C25—H25 | 120.00 |
C17—C22—C23 | 120.21 (12) | C25—C26—H26 | 120.00 |
C21—C22—C23 | 122.71 (13) | C27—C26—H26 | 120.00 |
C22—C23—C24 | 121.43 (13) | C26—C27—H27 | 120.00 |
C22—C23—C28 | 121.21 (12) | C28—C27—H27 | 120.00 |
C14—O1—C11—C10 | 179.46 (17) | O1—C11—C12—C13 | 178.88 (14) |
C14—O1—C11—C12 | −0.7 (2) | C11—C12—C13—C8 | 0.4 (2) |
C7—N1—C16—C15 | −0.54 (16) | N2—C15—C16—N1 | 0.91 (16) |
C7—N1—C16—C17 | 179.29 (14) | C28—C15—C16—C17 | 2.1 (2) |
C16—N1—C7—N2 | −0.08 (17) | N2—C15—C28—C23 | 179.92 (15) |
C16—N1—C7—C4 | −179.26 (14) | N2—C15—C28—C27 | 0.4 (3) |
C8—N2—C15—C16 | −177.56 (13) | C16—C15—C28—C23 | −1.5 (2) |
C15—N2—C7—C4 | 179.82 (13) | C16—C15—C28—C27 | 179.03 (15) |
C7—N2—C15—C16 | −0.91 (15) | N2—C15—C16—C17 | −178.92 (13) |
C8—N2—C7—N1 | 177.54 (13) | C28—C15—C16—N1 | −178.04 (13) |
C7—N2—C8—C9 | 100.31 (16) | N1—C16—C17—C18 | −1.4 (2) |
C15—N2—C7—N1 | 0.64 (16) | N1—C16—C17—C22 | 178.10 (14) |
C8—N2—C7—C4 | −3.3 (2) | C15—C16—C17—C18 | 178.38 (15) |
C15—N2—C8—C13 | 99.46 (17) | C15—C16—C17—C22 | −2.1 (2) |
C7—N2—C15—C28 | 177.90 (15) | C16—C17—C18—C19 | 178.53 (15) |
C8—N2—C15—C28 | 1.3 (2) | C22—C17—C18—C19 | −1.0 (2) |
C7—N2—C8—C13 | −76.67 (18) | C16—C17—C22—C21 | −178.05 (14) |
C15—N2—C8—C9 | −83.56 (18) | C16—C17—C22—C23 | 1.5 (2) |
F1—C1—C2—C3 | 179.49 (14) | C18—C17—C22—C21 | 1.5 (2) |
F1—C1—C6—C5 | −179.24 (13) | C18—C17—C22—C23 | −178.97 (14) |
C6—C1—C2—C3 | −0.1 (2) | C17—C18—C19—C20 | −0.2 (3) |
C2—C1—C6—C5 | 0.3 (2) | C18—C19—C20—C21 | 0.8 (3) |
C1—C2—C3—C4 | 0.3 (2) | C19—C20—C21—C22 | −0.3 (3) |
C2—C3—C4—C7 | 174.59 (13) | C20—C21—C22—C17 | −0.9 (2) |
C2—C3—C4—C5 | −0.8 (2) | C20—C21—C22—C23 | 179.60 (16) |
C3—C4—C7—N2 | 123.12 (15) | C17—C22—C23—C24 | 178.83 (15) |
C5—C4—C7—N1 | 117.51 (16) | C17—C22—C23—C28 | −1.0 (2) |
C3—C4—C7—N1 | −57.8 (2) | C21—C22—C23—C24 | −1.7 (2) |
C7—C4—C5—C6 | −174.21 (13) | C21—C22—C23—C28 | 178.55 (15) |
C5—C4—C7—N2 | −61.58 (19) | C22—C23—C24—C25 | 179.73 (16) |
C3—C4—C5—C6 | 1.1 (2) | C28—C23—C24—C25 | −0.5 (2) |
C4—C5—C6—C1 | −0.8 (2) | C22—C23—C28—C15 | 0.9 (2) |
C9—C8—C13—C12 | 0.8 (2) | C22—C23—C28—C27 | −179.59 (14) |
N2—C8—C13—C12 | 177.75 (13) | C24—C23—C28—C15 | −178.94 (14) |
C13—C8—C9—C10 | −1.0 (2) | C24—C23—C28—C27 | 0.6 (2) |
N2—C8—C9—C10 | −178.00 (12) | C23—C24—C25—C26 | 0.2 (3) |
C8—C9—C10—C11 | 0.1 (2) | C24—C25—C26—C27 | −0.1 (3) |
C9—C10—C11—C12 | 1.1 (2) | C25—C26—C27—C28 | 0.2 (3) |
C9—C10—C11—O1 | −179.12 (13) | C26—C27—C28—C15 | 179.01 (16) |
C10—C11—C12—C13 | −1.3 (2) | C26—C27—C28—C23 | −0.5 (2) |
Cg1, Cg2 and Cg3 are the centroids of the N1/C7/N2/C15/C16, C1–C6 and C15–C17/C22/C23/C28 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C21—H21···O1i | 0.93 | 2.59 | 3.426 (2) | 151 |
C9—H9···Cg1ii | 0.93 | 2.74 | 3.535 | 143 |
C26—H26···Cg2iii | 0.93 | 2.81 | 3.590 | 143 |
C13—H13···Cg3iv | 0.93 | 2.76 | 3.629 | 152 |
Symmetry codes: (i) x, y, z+1; (ii) −x+1, −y, −z+1; (iii) x, y+1, z; (iv) −x+2, −y, −z+1. |
Experimental details
Crystal data | |
Chemical formula | C28H19FN2O |
Mr | 418.45 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 293 |
a, b, c (Å) | 9.6430 (3), 9.8980 (3), 12.3070 (4) |
α, β, γ (°) | 77.432 (1), 71.621 (1), 73.158 (1) |
V (Å3) | 1056.57 (6) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.09 |
Crystal size (mm) | 0.30 × 0.20 × 0.20 |
Data collection | |
Diffractometer | Bruker Kappa APEXII CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2008) |
Tmin, Tmax | 0.975, 0.983 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 18612, 3723, 3183 |
Rint | 0.026 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.035, 0.098, 1.03 |
No. of reflections | 3723 |
No. of parameters | 290 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.16, −0.22 |
Computer programs: APEX2 (Bruker, 2008), APEX2 and SAINT (Bruker, 2008), SAINT and XPREP (Bruker, 2008), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009).
Cg1, Cg2 and Cg3 are the centroids of the N1/C7/N2/C15/C16, C1–C6 and C15–C17/C22/C23/C28 rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
C21—H21···O1i | 0.93 | 2.59 | 3.426 (2) | 151 |
C9—H9···Cg1ii | 0.93 | 2.74 | 3.535 | 143 |
C26—H26···Cg2iii | 0.93 | 2.81 | 3.590 | 143 |
C13—H13···Cg3iv | 0.93 | 2.76 | 3.629 | 152 |
Symmetry codes: (i) x, y, z+1; (ii) −x+1, −y, −z+1; (iii) x, y+1, z; (iv) −x+2, −y, −z+1. |
Acknowledgements
The authors thank Dr Babu Varghese, SAIF, IIT-Madras, Chennai, India, for his help with the data collection.
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.
1H-phenanthro[9,10-d]imidazole can be used as a planar synthetic building block in supramolecular chemistry (Krebs & Spanggaard, 2002). Its derivatives are commonly used as ligands in metal complexes (Bian et al., 2002). Some phenanthrene derivatives have excellent coordinating abilities and have been used to build supramolecular architechture (Che et al., 2008; Stephenson & Hardie, 2006). We have synthesized the title compound in our laboratory and determined its crystal structure which is reported in this article.
The bond lengths and bond angles in the title compound (Fig. 1) are normal and agree very well with the corresponding bond lengths and bond angles reported for closely related compounds (Yuan et al., 2011; Krebs et al., 2001). The tetracyclic ring system is essentially planar (maximum deviation = 0.032 (2) Å). The dihedral angle between the fluorobenzene ring and the phenanthrene tetracyclic system is 60.83 (4)° and to that of the benzene ring of methoxybenzene is 80.55 (5)°. The dihedral angle between the methoxybenzene and the fluorobenzene rings is 69.45 (6)°. The maximum deviation of C8 atom from the mean plane of the methoxy benzene is -0.021° and that of C7 atom from that of fluorobenzene is 0.059 Å.
In the crystal packing, the molecules are linked by C—H···O intermolecular interactions into infinite chains running paralell to the b axis. The crystal structure is further stabilized by C—H···Cg interactions (Table 1), where Cg1 is the centre of gravity of N1/C7/N2/C15/C16, Cg2 is the center of gravity of C1—C6 and Cg3 is the center of gravity of C15/C16/C17/C22/C23/C28.