organic compounds
9,9′-(Biphenyl-2,2′-diyl)difluoren-9-ol 4-methylpyridine solvate
aInstitute of Bioorganic Chemistry, Academy of Sciences of Uzbekistan, H. Abdullaev Str. 83, Tashkent, 100125 Uzbekistan, bNational University of Uzbekistan, Faculty of Chemistry, Vuzgorodok, 174, Tashkent, 100174 Uzbekistan, and cInstitute für Organische Chemie,TU, Bergakademie Freiberg, Leipziger Strasse 29, D-09596 Freiberg/Sachsen, Germany
*Correspondence e-mail: ashurovjamshid@ymail.com
The title compound, C38H26O2·C6H7N, crystallized as a host–guest complex from a solvent mixture of 4-methylpyridine and acetone. The dihedral angle between the rings in the biphenyl unit is 87.06 (3)°. The methylpyridine guest molecules are linked to the host molecules via O—H⋯ N hydrogen bonds, forming discrete pairs. The other OH group of the host forms an intramolecular O—H⋯O hydrogen bond.
Related literature
For the synthesis of the host compound, see: Weber et al. (1993). For related structures, see: Barbour et al. (1993); Ibragimov et al. (2001); Izotova et al. (2008); Sardone (1996); Weber (1996).
Experimental
Crystal data
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Refinement
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Data collection: CrysAlis PRO (Oxford Diffraction, 2007); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: XP (Siemens, 1994) and Mercury (Macrae et al., 2006); software used to prepare material for publication: SHELXL97.
Supporting information
https://doi.org/10.1107/S1600536810027753/zl2280sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810027753/zl2280Isup2.hkl
2,2'-Bis(9-hydroxy-9-fluorenyl) biphenyl (host) was synthesized according to the procedure described by Weber et al. (1993). The air stable 4-methylpyridine solvated crystals were obtained by slow evaporation of the host compound from a mixture of acetone and 4-methylpyridine (1:1). The formation of acetone solvated crystals is not observed.
H atoms atoms of the methyl group of 4-methyl pyridine were positioned geometrically, with C—H = 0.96 Å and constrained to ride on their parent atom, with Uiso(H) = 1.5Ueq(C). The remaining H atoms were located in difference syntheses and refined isotropically [O—H = 0.91 (2) and 0.93 (2) Å].
2,2'-Bis(9-hydroxy-9-fluorenyl) biphenyl is a versatile host compound with the capacity to form inclusion compounds (host–guest complexes) with a variety of guest molecules (about 35 guests reported in the literature, Weber (1996)). In this study we report on the structure of the
formed by the host compound with 4-metylpyridine. The host molecule possesses three for changing its conformation - rotation around the central aryl-aryl single bond and two rotations around the aryl fluorenyl covalent bonds. However, due to the stabilizing effect of the intramolecular hydrogen bond between two hydroxyl groups of the molecule (O2—H···O1, Table 1) the host molecules exhibit a considerable conformational rigidity and are held in a rigid spiral conformation (Fig.1.). In the title compound the hydrogen atom of the second hydroxyl group O1—H points outwards to make a hydrogen bond towards the methylpyridine guest molecule - a structural feature observed in all previously studied structures of the host molecule with polar guests such as acetonitrile, cyclohexanone, n-propylamine (Barbour et al., 1993), acetone (Sardone, 1996; Ibragimov et al., 2001), or ethylacetate (Izotova et al.,2008). In the crystals of the title compound the host and guest molecules are connected through intermolecular hydrogen bonds [N···H=1.77 (2) (Å)] which assemble them into 0-dimensional host-guest assemblies. The packing of the assemblies is based on van der Waals interactions (Fig. 2).].The dihedral angle between the planes of the phenyl rings of the host compound is 87.06 (3)°. The fluorenyl fragments of the host molecule are planar within 0.0382 Å (C1—C13) and 0.0165 Å (C26—C38), respectively. The largest deviations are 0.0695 Å for C13 and 0.0307 Å for C36. The dihedral angle between the planes is 73.73 (4)°.
For the synthesis of the host compound, see: Weber et al. (1993). For related structures, see: Barbour et al. (1993); Ibragimov et al. (2001); Izotova et al. (2008); Sardone (1996); Weber (1996).
Data collection: CrysAlis PRO (Oxford Diffraction, 2007); cell
CrysAlis PRO (Oxford Diffraction, 2007); data reduction: CrysAlis PRO (Oxford Diffraction, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: XP (Siemens, 1994) and Mercury (Macrae et al., 2006); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. View of the asymmetric unit of the title compound. Hydrogen bonds are indicated as dashed lines. | |
Fig. 2. View of the molecular packing along the c axis. Hydrogen atoms omitted for clarity. |
C38H26O2·C6H7N | F(000) = 1280 |
Mr = 607.71 | Dx = 1.234 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54178 Å |
Hall symbol: -P 2ybc | Cell parameters from 19833 reflections |
a = 15.801 (3) Å | θ = 4.1–75.8° |
b = 15.602 (3) Å | µ = 0.58 mm−1 |
c = 14.136 (3) Å | T = 293 K |
β = 110.19 (3)° | Block, colourless |
V = 3270.8 (11) Å3 | 0.58 × 0.56 × 0.4 mm |
Z = 4 |
Oxford Diffraction Xcalibur Ruby diffractometer | 6787 independent reflections |
Radiation source: fine-focus sealed tube | 5450 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.035 |
Detector resolution: 10.2576 pixels mm-1 | θmax = 75.8°, θmin = 4.1° |
ω scans | h = −19→19 |
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2007) | k = −18→19 |
Tmin = 0.749, Tmax = 0.792 | l = −17→17 |
46372 measured reflections |
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)] = 0.041 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.122 | w = 1/[σ2(Fo2) + (0.0748P)2 + 0.1854P] where P = (Fo2 + 2Fc2)/3 |
S = 1.06 | (Δ/σ)max = 0.011 |
6787 reflections | Δρmax = 0.21 e Å−3 |
546 parameters | Δρmin = −0.18 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: 0.0018 (2) |
C38H26O2·C6H7N | V = 3270.8 (11) Å3 |
Mr = 607.71 | Z = 4 |
Monoclinic, P21/c | Cu Kα radiation |
a = 15.801 (3) Å | µ = 0.58 mm−1 |
b = 15.602 (3) Å | T = 293 K |
c = 14.136 (3) Å | 0.58 × 0.56 × 0.4 mm |
β = 110.19 (3)° |
Oxford Diffraction Xcalibur Ruby diffractometer | 6787 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Oxford Diffraction, 2007) | 5450 reflections with I > 2σ(I) |
Tmin = 0.749, Tmax = 0.792 | Rint = 0.035 |
46372 measured reflections |
R[F2 > 2σ(F2)] = 0.041 | 0 restraints |
wR(F2) = 0.122 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | Δρmax = 0.21 e Å−3 |
6787 reflections | Δρmin = −0.18 e Å−3 |
546 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 | ||
N1 | 0.28630 (10) | 0.22388 (8) | 0.23144 (12) | 0.0762 (4) | |
C39 | 0.30568 (13) | 0.07376 (12) | 0.24668 (15) | 0.0794 (5) | |
C40 | 0.33566 (13) | 0.15436 (12) | 0.23830 (18) | 0.0865 (5) | |
C41 | 0.20339 (12) | 0.21306 (10) | 0.23211 (14) | 0.0705 (4) | |
C42 | 0.16876 (11) | 0.13410 (10) | 0.24206 (12) | 0.0666 (4) | |
C43 | 0.22017 (12) | 0.06195 (9) | 0.24911 (10) | 0.0632 (4) | |
C44 | 0.18342 (18) | −0.02567 (12) | 0.25497 (16) | 0.1027 (7) | |
H44C | 0.1305 | −0.0208 | 0.2733 | 0.154* | |
H44A | 0.2281 | −0.0590 | 0.3048 | 0.154* | |
H44B | 0.1681 | −0.0533 | 0.1906 | 0.154* | |
H39 | 0.3454 (15) | 0.0278 (14) | 0.2504 (16) | 0.102 (7)* | |
H40 | 0.3967 (17) | 0.1637 (15) | 0.2386 (18) | 0.111 (7)* | |
H41 | 0.1658 (13) | 0.2628 (13) | 0.2245 (14) | 0.086 (6)* | |
H42 | 0.1102 (14) | 0.1315 (12) | 0.2448 (15) | 0.088 (6)* | |
O1 | 0.33690 (6) | 0.38807 (6) | 0.22672 (7) | 0.0492 (2) | |
O2 | 0.29222 (6) | 0.55099 (7) | 0.27689 (7) | 0.0571 (2) | |
C1 | 0.42742 (8) | 0.33134 (7) | 0.12905 (10) | 0.0470 (3) | |
C2 | 0.37556 (10) | 0.29484 (9) | 0.03880 (11) | 0.0586 (3) | |
C3 | 0.41119 (13) | 0.22588 (10) | 0.00192 (13) | 0.0696 (4) | |
C4 | 0.49610 (13) | 0.19436 (9) | 0.05510 (14) | 0.0723 (4) | |
C5 | 0.54802 (11) | 0.23036 (9) | 0.14612 (14) | 0.0656 (4) | |
C6 | 0.51351 (9) | 0.29984 (8) | 0.18251 (10) | 0.0520 (3) | |
C7 | 0.55424 (8) | 0.35289 (8) | 0.27283 (11) | 0.0529 (3) | |
C8 | 0.63650 (10) | 0.34711 (11) | 0.35155 (14) | 0.0703 (4) | |
C9 | 0.65709 (11) | 0.40714 (13) | 0.42803 (14) | 0.0775 (5) | |
C10 | 0.59787 (11) | 0.47218 (11) | 0.42739 (13) | 0.0705 (4) | |
C11 | 0.51546 (10) | 0.47859 (10) | 0.34950 (11) | 0.0586 (3) | |
C12 | 0.49418 (8) | 0.41807 (8) | 0.27288 (9) | 0.0478 (3) | |
C13 | 0.40518 (7) | 0.40751 (7) | 0.18496 (9) | 0.0433 (3) | |
C14 | 0.37663 (8) | 0.48741 (7) | 0.11860 (9) | 0.0436 (2) | |
C15 | 0.44456 (10) | 0.53162 (9) | 0.09671 (12) | 0.0574 (3) | |
C16 | 0.42725 (11) | 0.60509 (10) | 0.03888 (13) | 0.0680 (4) | |
C17 | 0.34103 (12) | 0.63647 (10) | 0.00125 (13) | 0.0677 (4) | |
C18 | 0.27204 (10) | 0.59256 (9) | 0.01963 (11) | 0.0572 (3) | |
C19 | 0.28788 (8) | 0.51801 (7) | 0.07821 (8) | 0.0443 (3) | |
C20 | 0.20356 (7) | 0.47327 (7) | 0.07992 (8) | 0.0424 (2) | |
C21 | 0.16213 (9) | 0.42064 (9) | −0.00338 (9) | 0.0527 (3) | |
C22 | 0.08037 (9) | 0.38101 (9) | −0.01885 (10) | 0.0581 (3) | |
C23 | 0.03635 (9) | 0.39469 (9) | 0.04847 (10) | 0.0551 (3) | |
C24 | 0.07593 (8) | 0.44634 (8) | 0.13146 (9) | 0.0486 (3) | |
C25 | 0.15942 (7) | 0.48553 (7) | 0.14956 (8) | 0.0422 (2) | |
C26 | 0.19745 (8) | 0.53939 (8) | 0.24648 (9) | 0.0486 (3) | |
C27 | 0.15271 (9) | 0.62719 (9) | 0.23645 (11) | 0.0596 (3) | |
C28 | 0.15284 (12) | 0.69314 (10) | 0.17149 (15) | 0.0752 (4) | |
C29 | 0.10562 (16) | 0.76798 (12) | 0.1749 (2) | 0.1026 (7) | |
C30 | 0.06147 (16) | 0.77686 (16) | 0.2424 (3) | 0.1200 (10) | |
C31 | 0.06224 (13) | 0.71165 (17) | 0.3087 (2) | 0.1020 (8) | |
C32 | 0.10751 (9) | 0.63569 (12) | 0.30554 (13) | 0.0720 (5) | |
C33 | 0.11990 (9) | 0.55660 (13) | 0.36463 (11) | 0.0717 (5) | |
C34 | 0.09016 (13) | 0.5321 (2) | 0.44281 (16) | 0.1002 (8) | |
C35 | 0.11436 (15) | 0.4533 (3) | 0.48663 (15) | 0.1152 (10) | |
C36 | 0.16715 (14) | 0.3978 (2) | 0.45519 (14) | 0.0985 (7) | |
C37 | 0.19693 (11) | 0.42109 (14) | 0.37662 (11) | 0.0729 (4) | |
C38 | 0.17243 (8) | 0.49993 (10) | 0.33219 (10) | 0.0577 (3) | |
H1 | 0.3237 (12) | 0.3311 (13) | 0.2227 (14) | 0.081 (5)* | |
H2 | 0.3139 (13) | 0.4960 (13) | 0.2749 (15) | 0.085 (6)* | |
H2A | 0.3128 (11) | 0.3175 (10) | 0.0000 (12) | 0.065 (4)* | |
H3 | 0.3744 (13) | 0.1986 (12) | −0.0629 (15) | 0.084 (5)* | |
H4 | 0.5219 (13) | 0.1475 (12) | 0.0259 (14) | 0.081 (5)* | |
H5 | 0.6077 (13) | 0.2082 (11) | 0.1823 (13) | 0.077 (5)* | |
H8 | 0.6729 (12) | 0.3022 (12) | 0.3498 (13) | 0.074 (5)* | |
H9 | 0.7146 (15) | 0.4039 (12) | 0.4813 (16) | 0.089 (6)* | |
H10 | 0.6156 (13) | 0.5164 (12) | 0.4842 (15) | 0.082 (5)* | |
H11 | 0.4705 (12) | 0.5253 (11) | 0.3478 (13) | 0.071 (5)* | |
H15 | 0.5066 (12) | 0.5097 (10) | 0.1242 (12) | 0.066 (4)* | |
H16 | 0.4775 (13) | 0.6340 (12) | 0.0264 (15) | 0.086 (5)* | |
H17 | 0.3270 (12) | 0.6881 (12) | −0.0403 (14) | 0.077 (5)* | |
H18 | 0.2106 (12) | 0.6142 (10) | −0.0075 (13) | 0.068 (4)* | |
H21 | 0.1946 (11) | 0.4155 (10) | −0.0559 (12) | 0.067 (4)* | |
H22 | 0.0537 (12) | 0.3458 (11) | −0.0780 (14) | 0.074 (5)* | |
H23 | −0.0239 (12) | 0.3697 (10) | 0.0375 (12) | 0.068 (4)* | |
H24 | 0.0443 (10) | 0.4565 (10) | 0.1799 (12) | 0.061 (4)* | |
H28 | 0.1918 (13) | 0.6868 (12) | 0.1288 (14) | 0.084 (5)* | |
H29 | 0.1079 (17) | 0.8148 (17) | 0.1337 (19) | 0.117 (8)* | |
H30 | 0.0265 (19) | 0.8288 (19) | 0.249 (2) | 0.145 (10)* | |
H31 | 0.0313 (17) | 0.7197 (16) | 0.3573 (19) | 0.117 (8)* | |
H34 | 0.0531 (17) | 0.5695 (15) | 0.4681 (19) | 0.119 (8)* | |
H35 | 0.0927 (16) | 0.4365 (16) | 0.5376 (19) | 0.116 (7)* | |
H36 | 0.1851 (18) | 0.3430 (17) | 0.488 (2) | 0.125 (9)* | |
H37 | 0.2321 (14) | 0.3819 (12) | 0.3531 (14) | 0.083 (6)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
N1 | 0.0829 (9) | 0.0576 (7) | 0.1004 (10) | −0.0149 (6) | 0.0472 (8) | −0.0029 (6) |
C39 | 0.0788 (11) | 0.0619 (9) | 0.0957 (12) | 0.0086 (8) | 0.0279 (9) | −0.0065 (8) |
C40 | 0.0700 (11) | 0.0746 (11) | 0.1267 (16) | −0.0055 (8) | 0.0491 (11) | −0.0080 (10) |
C41 | 0.0745 (10) | 0.0558 (8) | 0.0872 (11) | 0.0020 (7) | 0.0356 (8) | −0.0012 (7) |
C42 | 0.0636 (9) | 0.0695 (9) | 0.0730 (9) | −0.0106 (7) | 0.0316 (7) | −0.0043 (7) |
C43 | 0.0851 (10) | 0.0523 (7) | 0.0506 (7) | −0.0121 (7) | 0.0213 (7) | −0.0021 (5) |
C44 | 0.152 (2) | 0.0651 (11) | 0.0863 (13) | −0.0351 (12) | 0.0351 (13) | 0.0005 (9) |
O1 | 0.0466 (4) | 0.0488 (5) | 0.0612 (5) | −0.0032 (3) | 0.0300 (4) | 0.0030 (4) |
O2 | 0.0365 (4) | 0.0776 (6) | 0.0583 (5) | −0.0087 (4) | 0.0179 (4) | −0.0200 (4) |
C1 | 0.0486 (6) | 0.0417 (6) | 0.0587 (7) | −0.0047 (5) | 0.0287 (5) | −0.0013 (5) |
C2 | 0.0632 (8) | 0.0534 (7) | 0.0641 (8) | −0.0096 (6) | 0.0283 (7) | −0.0083 (6) |
C3 | 0.0897 (11) | 0.0555 (8) | 0.0748 (10) | −0.0151 (7) | 0.0426 (9) | −0.0158 (7) |
C4 | 0.0960 (12) | 0.0450 (7) | 0.0989 (12) | −0.0021 (7) | 0.0631 (10) | −0.0074 (7) |
C5 | 0.0674 (9) | 0.0492 (7) | 0.0948 (11) | 0.0072 (6) | 0.0467 (8) | 0.0058 (7) |
C6 | 0.0520 (7) | 0.0442 (6) | 0.0689 (8) | −0.0002 (5) | 0.0327 (6) | 0.0043 (5) |
C7 | 0.0443 (6) | 0.0528 (7) | 0.0646 (7) | −0.0018 (5) | 0.0226 (6) | 0.0067 (5) |
C8 | 0.0490 (7) | 0.0720 (10) | 0.0857 (11) | 0.0070 (7) | 0.0179 (7) | 0.0146 (8) |
C9 | 0.0529 (8) | 0.0949 (12) | 0.0711 (10) | −0.0132 (8) | 0.0038 (7) | 0.0076 (9) |
C10 | 0.0604 (9) | 0.0814 (10) | 0.0632 (9) | −0.0163 (8) | 0.0131 (7) | −0.0065 (7) |
C11 | 0.0545 (7) | 0.0617 (8) | 0.0609 (8) | −0.0108 (6) | 0.0215 (6) | −0.0089 (6) |
C12 | 0.0422 (6) | 0.0496 (6) | 0.0543 (7) | −0.0048 (5) | 0.0201 (5) | 0.0019 (5) |
C13 | 0.0397 (5) | 0.0442 (6) | 0.0509 (6) | −0.0047 (4) | 0.0221 (5) | −0.0029 (4) |
C14 | 0.0439 (6) | 0.0438 (6) | 0.0491 (6) | −0.0048 (4) | 0.0238 (5) | −0.0037 (4) |
C15 | 0.0505 (7) | 0.0581 (7) | 0.0732 (8) | −0.0066 (6) | 0.0336 (7) | 0.0025 (6) |
C16 | 0.0701 (9) | 0.0628 (8) | 0.0861 (10) | −0.0128 (7) | 0.0463 (8) | 0.0092 (7) |
C17 | 0.0797 (10) | 0.0557 (8) | 0.0779 (10) | −0.0004 (7) | 0.0401 (8) | 0.0165 (7) |
C18 | 0.0587 (8) | 0.0564 (7) | 0.0606 (7) | 0.0034 (6) | 0.0259 (6) | 0.0079 (6) |
C19 | 0.0470 (6) | 0.0468 (6) | 0.0443 (6) | −0.0040 (5) | 0.0224 (5) | −0.0027 (4) |
C20 | 0.0390 (5) | 0.0466 (6) | 0.0417 (5) | −0.0002 (4) | 0.0140 (4) | 0.0006 (4) |
C21 | 0.0520 (7) | 0.0630 (7) | 0.0434 (6) | −0.0029 (6) | 0.0168 (5) | −0.0053 (5) |
C22 | 0.0552 (7) | 0.0622 (8) | 0.0497 (7) | −0.0098 (6) | 0.0088 (6) | −0.0111 (6) |
C23 | 0.0429 (6) | 0.0607 (7) | 0.0562 (7) | −0.0123 (5) | 0.0100 (5) | −0.0006 (6) |
C24 | 0.0400 (6) | 0.0573 (7) | 0.0493 (6) | −0.0049 (5) | 0.0164 (5) | −0.0005 (5) |
C25 | 0.0375 (5) | 0.0457 (6) | 0.0433 (6) | −0.0014 (4) | 0.0140 (4) | −0.0015 (4) |
C26 | 0.0366 (5) | 0.0616 (7) | 0.0503 (6) | −0.0067 (5) | 0.0182 (5) | −0.0129 (5) |
C27 | 0.0420 (6) | 0.0619 (8) | 0.0728 (9) | −0.0088 (5) | 0.0174 (6) | −0.0258 (7) |
C28 | 0.0680 (9) | 0.0530 (8) | 0.1008 (12) | −0.0131 (7) | 0.0244 (9) | −0.0193 (8) |
C29 | 0.0922 (14) | 0.0532 (10) | 0.149 (2) | −0.0084 (9) | 0.0251 (14) | −0.0250 (12) |
C30 | 0.0833 (14) | 0.0724 (14) | 0.198 (3) | 0.0004 (11) | 0.0401 (16) | −0.0593 (17) |
C31 | 0.0645 (10) | 0.1012 (16) | 0.146 (2) | −0.0073 (10) | 0.0435 (12) | −0.0675 (15) |
C32 | 0.0436 (7) | 0.0881 (11) | 0.0850 (10) | −0.0084 (7) | 0.0233 (7) | −0.0417 (9) |
C33 | 0.0408 (6) | 0.1188 (14) | 0.0589 (8) | −0.0129 (7) | 0.0216 (6) | −0.0340 (8) |
C34 | 0.0558 (9) | 0.189 (3) | 0.0647 (11) | −0.0137 (12) | 0.0324 (8) | −0.0342 (14) |
C35 | 0.0709 (12) | 0.229 (3) | 0.0525 (10) | −0.0207 (16) | 0.0295 (9) | 0.0039 (15) |
C36 | 0.0721 (11) | 0.162 (2) | 0.0577 (10) | −0.0131 (13) | 0.0174 (8) | 0.0232 (12) |
C37 | 0.0598 (8) | 0.1069 (13) | 0.0501 (7) | −0.0048 (9) | 0.0163 (7) | 0.0044 (8) |
C38 | 0.0412 (6) | 0.0888 (10) | 0.0435 (6) | −0.0095 (6) | 0.0152 (5) | −0.0142 (6) |
N1—C40 | 1.320 (2) | C15—C16 | 1.379 (2) |
N1—C41 | 1.324 (2) | C15—H15 | 0.984 (17) |
C39—C40 | 1.363 (3) | C16—C17 | 1.371 (2) |
C39—C43 | 1.376 (3) | C16—H16 | 0.98 (2) |
C39—H39 | 0.94 (2) | C17—C18 | 1.386 (2) |
C40—H40 | 0.97 (2) | C17—H17 | 0.976 (18) |
C41—C42 | 1.375 (2) | C18—C19 | 1.3994 (18) |
C41—H41 | 0.96 (2) | C18—H18 | 0.973 (18) |
C42—C43 | 1.372 (2) | C19—C20 | 1.5117 (15) |
C42—H42 | 0.94 (2) | C20—C21 | 1.3991 (17) |
C43—C44 | 1.499 (2) | C20—C25 | 1.4022 (16) |
C44—H44C | 0.9600 | C21—C22 | 1.3799 (19) |
C44—H44A | 0.9600 | C21—H21 | 1.041 (17) |
C44—H44B | 0.9600 | C22—C23 | 1.376 (2) |
O1—C13 | 1.4298 (13) | C22—H22 | 0.967 (18) |
O1—H1 | 0.91 (2) | C23—C24 | 1.3820 (18) |
O2—C26 | 1.4197 (14) | C23—H23 | 0.990 (17) |
O2—H2 | 0.93 (2) | C24—C25 | 1.3952 (16) |
C1—C2 | 1.3790 (19) | C24—H24 | 0.991 (16) |
C1—C6 | 1.3976 (18) | C25—C26 | 1.5414 (16) |
C1—C13 | 1.5338 (16) | C26—C27 | 1.5256 (19) |
C2—C3 | 1.396 (2) | C26—C38 | 1.5278 (18) |
C2—H2A | 1.016 (16) | C27—C28 | 1.380 (2) |
C3—C4 | 1.382 (3) | C27—C32 | 1.401 (2) |
C3—H3 | 0.995 (19) | C28—C29 | 1.395 (3) |
C4—C5 | 1.384 (3) | C28—H28 | 1.01 (2) |
C4—H4 | 0.994 (19) | C29—C30 | 1.370 (4) |
C5—C6 | 1.3895 (19) | C29—H29 | 0.94 (3) |
C5—H5 | 0.969 (18) | C30—C31 | 1.380 (4) |
C6—C7 | 1.470 (2) | C30—H30 | 1.00 (3) |
C7—C12 | 1.3910 (18) | C31—C32 | 1.393 (3) |
C7—C8 | 1.392 (2) | C31—H31 | 0.98 (3) |
C8—C9 | 1.382 (3) | C32—C33 | 1.465 (3) |
C8—H8 | 0.912 (18) | C33—C38 | 1.394 (2) |
C9—C10 | 1.378 (3) | C33—C34 | 1.395 (3) |
C9—H9 | 0.96 (2) | C34—C35 | 1.369 (4) |
C10—C11 | 1.389 (2) | C34—H34 | 0.98 (3) |
C10—H10 | 1.022 (19) | C35—C36 | 1.379 (4) |
C11—C12 | 1.3879 (19) | C35—H35 | 0.94 (3) |
C11—H11 | 1.013 (17) | C36—C37 | 1.396 (2) |
C12—C13 | 1.5306 (18) | C36—H36 | 0.97 (3) |
C13—C14 | 1.5313 (16) | C37—C38 | 1.375 (2) |
C14—C15 | 1.3976 (16) | C37—H37 | 0.96 (2) |
C14—C19 | 1.4028 (17) | ||
C40—N1—C41 | 117.11 (14) | C17—C16—C15 | 119.61 (13) |
C40—C39—C43 | 119.96 (16) | C17—C16—H16 | 121.6 (11) |
C40—C39—H39 | 117.5 (13) | C15—C16—H16 | 118.8 (11) |
C43—C39—H39 | 122.6 (13) | C16—C17—C18 | 119.44 (13) |
N1—C40—C39 | 123.38 (17) | C16—C17—H17 | 121.1 (11) |
N1—C40—H40 | 115.8 (14) | C18—C17—H17 | 119.4 (11) |
C39—C40—H40 | 120.8 (14) | C17—C18—C19 | 122.03 (14) |
N1—C41—C42 | 123.00 (16) | C17—C18—H18 | 119.8 (10) |
N1—C41—H41 | 118.2 (12) | C19—C18—H18 | 118.2 (10) |
C42—C41—H41 | 118.8 (12) | C18—C19—C14 | 118.24 (11) |
C43—C42—C41 | 119.75 (15) | C18—C19—C20 | 114.50 (11) |
C43—C42—H42 | 121.9 (12) | C14—C19—C20 | 126.81 (10) |
C41—C42—H42 | 118.4 (12) | C21—C20—C25 | 117.99 (10) |
C42—C43—C39 | 116.77 (14) | C21—C20—C19 | 114.61 (10) |
C42—C43—C44 | 121.44 (17) | C25—C20—C19 | 127.09 (10) |
C39—C43—C44 | 121.75 (17) | C22—C21—C20 | 122.47 (12) |
C43—C44—H44C | 109.5 | C22—C21—H21 | 121.2 (9) |
C43—C44—H44A | 109.5 | C20—C21—H21 | 116.3 (9) |
H44C—C44—H44A | 109.5 | C23—C22—C21 | 119.35 (12) |
C43—C44—H44B | 109.5 | C23—C22—H22 | 120.9 (10) |
H44C—C44—H44B | 109.5 | C21—C22—H22 | 119.7 (11) |
H44A—C44—H44B | 109.5 | C22—C23—C24 | 119.28 (12) |
C13—O1—H1 | 111.7 (12) | C22—C23—H23 | 121.3 (10) |
C26—O2—H2 | 103.6 (12) | C24—C23—H23 | 119.4 (10) |
C2—C1—C6 | 120.77 (12) | C23—C24—C25 | 122.23 (12) |
C2—C1—C13 | 128.91 (12) | C23—C24—H24 | 119.5 (9) |
C6—C1—C13 | 110.32 (11) | C25—C24—H24 | 118.3 (9) |
C1—C2—C3 | 118.44 (15) | C24—C25—C20 | 118.66 (10) |
C1—C2—H2A | 120.9 (9) | C24—C25—C26 | 117.11 (10) |
C3—C2—H2A | 120.7 (9) | C20—C25—C26 | 124.23 (10) |
C4—C3—C2 | 120.79 (15) | O2—C26—C27 | 108.68 (10) |
C4—C3—H3 | 119.8 (11) | O2—C26—C38 | 110.24 (10) |
C2—C3—H3 | 119.4 (11) | C27—C26—C38 | 101.36 (11) |
C3—C4—C5 | 120.92 (14) | O2—C26—C25 | 112.68 (9) |
C3—C4—H4 | 119.7 (11) | C27—C26—C25 | 112.39 (10) |
C5—C4—H4 | 119.2 (11) | C38—C26—C25 | 110.92 (10) |
C4—C5—C6 | 118.58 (15) | C28—C27—C32 | 120.77 (15) |
C4—C5—H5 | 120.2 (11) | C28—C27—C26 | 128.64 (14) |
C6—C5—H5 | 121.2 (11) | C32—C27—C26 | 110.59 (14) |
C5—C6—C1 | 120.48 (14) | C27—C28—C29 | 118.5 (2) |
C5—C6—C7 | 130.59 (13) | C27—C28—H28 | 117.9 (11) |
C1—C6—C7 | 108.91 (11) | C29—C28—H28 | 123.3 (11) |
C12—C7—C8 | 119.73 (14) | C30—C29—C28 | 121.0 (3) |
C12—C7—C6 | 108.53 (11) | C30—C29—H29 | 119.3 (16) |
C8—C7—C6 | 131.74 (14) | C28—C29—H29 | 119.5 (17) |
C9—C8—C7 | 118.96 (16) | C29—C30—C31 | 120.7 (2) |
C9—C8—H8 | 124.2 (11) | C29—C30—H30 | 125.0 (18) |
C7—C8—H8 | 116.8 (11) | C31—C30—H30 | 114.2 (18) |
C10—C9—C8 | 121.20 (15) | C30—C31—C32 | 119.3 (2) |
C10—C9—H9 | 120.1 (12) | C30—C31—H31 | 119.5 (15) |
C8—C9—H9 | 118.7 (12) | C32—C31—H31 | 121.2 (15) |
C9—C10—C11 | 120.46 (15) | C31—C32—C27 | 119.6 (2) |
C9—C10—H10 | 119.4 (11) | C31—C32—C33 | 131.87 (19) |
C11—C10—H10 | 120.1 (11) | C27—C32—C33 | 108.53 (13) |
C12—C11—C10 | 118.56 (14) | C38—C33—C34 | 119.2 (2) |
C12—C11—H11 | 119.5 (10) | C38—C33—C32 | 108.91 (13) |
C10—C11—H11 | 122.0 (10) | C34—C33—C32 | 131.87 (19) |
C11—C12—C7 | 121.08 (12) | C35—C34—C33 | 119.1 (2) |
C11—C12—C13 | 127.88 (12) | C35—C34—H34 | 118.7 (15) |
C7—C12—C13 | 110.90 (11) | C33—C34—H34 | 122.2 (15) |
O1—C13—C14 | 108.72 (9) | C34—C35—C36 | 121.6 (2) |
O1—C13—C12 | 107.48 (9) | C34—C35—H35 | 118.8 (16) |
C14—C13—C12 | 113.81 (9) | C36—C35—H35 | 119.6 (16) |
O1—C13—C1 | 112.84 (9) | C35—C36—C37 | 120.0 (2) |
C14—C13—C1 | 112.74 (9) | C35—C36—H36 | 120.9 (17) |
C12—C13—C1 | 101.07 (9) | C37—C36—H36 | 119.1 (17) |
C15—C14—C19 | 118.57 (11) | C38—C37—C36 | 118.5 (2) |
C15—C14—C13 | 116.81 (11) | C38—C37—H37 | 121.2 (12) |
C19—C14—C13 | 124.62 (10) | C36—C37—H37 | 120.2 (12) |
C16—C15—C14 | 122.08 (14) | C37—C38—C33 | 121.53 (15) |
C16—C15—H15 | 119.4 (9) | C37—C38—C26 | 127.86 (13) |
C14—C15—H15 | 118.5 (10) | C33—C38—C26 | 110.60 (14) |
C41—N1—C40—C39 | −0.5 (3) | C15—C14—C19—C20 | 170.49 (11) |
C43—C39—C40—N1 | −0.5 (3) | C13—C14—C19—C20 | −8.82 (18) |
C40—N1—C41—C42 | 1.7 (3) | C18—C19—C20—C21 | 81.73 (14) |
N1—C41—C42—C43 | −1.8 (3) | C14—C19—C20—C21 | −90.39 (15) |
C41—C42—C43—C39 | 0.6 (2) | C18—C19—C20—C25 | −91.68 (15) |
C41—C42—C43—C44 | −176.98 (16) | C14—C19—C20—C25 | 96.20 (15) |
C40—C39—C43—C42 | 0.4 (3) | C25—C20—C21—C22 | −0.01 (19) |
C40—C39—C43—C44 | 178.04 (19) | C19—C20—C21—C22 | −174.06 (12) |
C6—C1—C2—C3 | −0.20 (19) | C20—C21—C22—C23 | 1.4 (2) |
C13—C1—C2—C3 | 179.11 (12) | C21—C22—C23—C24 | −1.4 (2) |
C1—C2—C3—C4 | 0.6 (2) | C22—C23—C24—C25 | 0.1 (2) |
C2—C3—C4—C5 | −0.1 (2) | C23—C24—C25—C20 | 1.29 (18) |
C3—C4—C5—C6 | −0.9 (2) | C23—C24—C25—C26 | −178.23 (12) |
C4—C5—C6—C1 | 1.31 (19) | C21—C20—C25—C24 | −1.31 (17) |
C4—C5—C6—C7 | −176.71 (13) | C19—C20—C25—C24 | 171.90 (11) |
C2—C1—C6—C5 | −0.77 (18) | C21—C20—C25—C26 | 178.17 (11) |
C13—C1—C6—C5 | 179.79 (11) | C19—C20—C25—C26 | −8.61 (18) |
C2—C1—C6—C7 | 177.64 (11) | C24—C25—C26—O2 | 159.13 (11) |
C13—C1—C6—C7 | −1.79 (13) | C20—C25—C26—O2 | −20.36 (17) |
C5—C6—C7—C12 | 176.47 (13) | C24—C25—C26—C27 | −77.67 (14) |
C1—C6—C7—C12 | −1.72 (14) | C20—C25—C26—C27 | 102.84 (13) |
C5—C6—C7—C8 | −4.2 (2) | C24—C25—C26—C38 | 35.00 (15) |
C1—C6—C7—C8 | 177.62 (15) | C20—C25—C26—C38 | −144.49 (11) |
C12—C7—C8—C9 | −0.6 (2) | O2—C26—C27—C28 | 62.88 (17) |
C6—C7—C8—C9 | −179.85 (14) | C38—C26—C27—C28 | 179.01 (14) |
C7—C8—C9—C10 | −0.1 (3) | C25—C26—C27—C28 | −62.53 (17) |
C8—C9—C10—C11 | 0.3 (3) | O2—C26—C27—C32 | −116.98 (12) |
C9—C10—C11—C12 | 0.2 (2) | C38—C26—C27—C32 | −0.86 (13) |
C10—C11—C12—C7 | −0.9 (2) | C25—C26—C27—C32 | 117.61 (12) |
C10—C11—C12—C13 | 174.32 (13) | C32—C27—C28—C29 | −1.1 (2) |
C8—C7—C12—C11 | 1.06 (19) | C26—C27—C28—C29 | 179.03 (14) |
C6—C7—C12—C11 | −179.51 (11) | C27—C28—C29—C30 | 1.3 (3) |
C8—C7—C12—C13 | −174.87 (12) | C28—C29—C30—C31 | −0.3 (3) |
C6—C7—C12—C13 | 4.57 (13) | C29—C30—C31—C32 | −0.9 (3) |
C11—C12—C13—O1 | −62.44 (15) | C30—C31—C32—C27 | 1.0 (3) |
C7—C12—C13—O1 | 113.13 (11) | C30—C31—C32—C33 | −179.83 (18) |
C11—C12—C13—C14 | 58.00 (16) | C28—C27—C32—C31 | 0.0 (2) |
C7—C12—C13—C14 | −126.43 (11) | C26—C27—C32—C31 | 179.84 (13) |
C11—C12—C13—C1 | 179.12 (12) | C28—C27—C32—C33 | −179.35 (13) |
C7—C12—C13—C1 | −5.31 (12) | C26—C27—C32—C33 | 0.52 (15) |
C2—C1—C13—O1 | 70.32 (16) | C31—C32—C33—C38 | −179.12 (16) |
C6—C1—C13—O1 | −110.30 (11) | C27—C32—C33—C38 | 0.08 (16) |
C2—C1—C13—C14 | −53.32 (16) | C31—C32—C33—C34 | 0.1 (3) |
C6—C1—C13—C14 | 126.06 (11) | C27—C32—C33—C34 | 179.33 (16) |
C2—C1—C13—C12 | −175.19 (12) | C38—C33—C34—C35 | 0.9 (3) |
C6—C1—C13—C12 | 4.19 (12) | C32—C33—C34—C35 | −178.31 (17) |
O1—C13—C14—C15 | 160.77 (11) | C33—C34—C35—C36 | −0.2 (3) |
C12—C13—C14—C15 | 41.03 (15) | C34—C35—C36—C37 | −0.3 (3) |
C1—C13—C14—C15 | −73.33 (14) | C35—C36—C37—C38 | 0.0 (3) |
O1—C13—C14—C19 | −19.91 (15) | C36—C37—C38—C33 | 0.7 (2) |
C12—C13—C14—C19 | −139.65 (11) | C36—C37—C38—C26 | 179.36 (14) |
C1—C13—C14—C19 | 105.99 (13) | C34—C33—C38—C37 | −1.2 (2) |
C19—C14—C15—C16 | 1.5 (2) | C32—C33—C38—C37 | 178.19 (13) |
C13—C14—C15—C16 | −179.09 (13) | C34—C33—C38—C26 | 179.98 (13) |
C14—C15—C16—C17 | 0.0 (2) | C32—C33—C38—C26 | −0.66 (15) |
C15—C16—C17—C18 | −1.7 (3) | O2—C26—C38—C37 | −62.87 (17) |
C16—C17—C18—C19 | 1.9 (2) | C27—C26—C38—C37 | −177.84 (14) |
C17—C18—C19—C14 | −0.3 (2) | C25—C26—C38—C37 | 62.64 (17) |
C17—C18—C19—C20 | −173.15 (13) | O2—C26—C38—C33 | 115.88 (12) |
C15—C14—C19—C18 | −1.37 (17) | C27—C26—C38—C33 | 0.91 (13) |
C13—C14—C19—C18 | 179.32 (11) | C25—C26—C38—C33 | −118.61 (12) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O1 | 0.93 (2) | 1.90 (2) | 2.7943 (15) | 161.7 (18) |
O1—H1···N1 | 0.91 (2) | 1.79 (2) | 2.6913 (16) | 168.7 (18) |
Experimental details
Crystal data | |
Chemical formula | C38H26O2·C6H7N |
Mr | 607.71 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 293 |
a, b, c (Å) | 15.801 (3), 15.602 (3), 14.136 (3) |
β (°) | 110.19 (3) |
V (Å3) | 3270.8 (11) |
Z | 4 |
Radiation type | Cu Kα |
µ (mm−1) | 0.58 |
Crystal size (mm) | 0.58 × 0.56 × 0.4 |
Data collection | |
Diffractometer | Oxford Diffraction Xcalibur Ruby |
Absorption correction | Multi-scan (CrysAlis PRO; Oxford Diffraction, 2007) |
Tmin, Tmax | 0.749, 0.792 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 46372, 6787, 5450 |
Rint | 0.035 |
(sin θ/λ)max (Å−1) | 0.629 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.041, 0.122, 1.06 |
No. of reflections | 6787 |
No. of parameters | 546 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.21, −0.18 |
Computer programs: CrysAlis PRO (Oxford Diffraction, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), XP (Siemens, 1994) and Mercury (Macrae et al., 2006).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O1 | 0.93 (2) | 1.90 (2) | 2.7943 (15) | 161.7 (18) |
O1—H1···N1 | 0.91 (2) | 1.79 (2) | 2.6913 (16) | 168.7 (18) |
Acknowledgements
This work was supported by a Grant for Fundamental Research from the Center of Science and Technology, Uzbekistan (No. FA–F3–T-141).
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.
2,2'-Bis(9-hydroxy-9-fluorenyl) biphenyl is a versatile host compound with the capacity to form inclusion compounds (host–guest complexes) with a variety of guest molecules (about 35 guests reported in the literature, Weber (1996)). In this study we report on the structure of the inclusion compound formed by the host compound with 4-metylpyridine. The host molecule possesses three degrees of freedom for changing its conformation - rotation around the central aryl-aryl single bond and two rotations around the aryl fluorenyl covalent bonds. However, due to the stabilizing effect of the intramolecular hydrogen bond between two hydroxyl groups of the molecule (O2—H···O1, Table 1) the host molecules exhibit a considerable conformational rigidity and are held in a rigid spiral conformation (Fig.1.). In the title compound the hydrogen atom of the second hydroxyl group O1—H points outwards to make a hydrogen bond towards the methylpyridine guest molecule - a structural feature observed in all previously studied structures of the host molecule with polar guests such as acetonitrile, cyclohexanone, n-propylamine (Barbour et al., 1993), acetone (Sardone, 1996; Ibragimov et al., 2001), or ethylacetate (Izotova et al.,2008). In the crystals of the title compound the host and guest molecules are connected through intermolecular hydrogen bonds [N···H=1.77 (2) (Å)] which assemble them into 0-dimensional host-guest assemblies. The packing of the assemblies is based on van der Waals interactions (Fig. 2).].
The dihedral angle between the planes of the phenyl rings of the host compound is 87.06 (3)°. The fluorenyl fragments of the host molecule are planar within 0.0382 Å (C1—C13) and 0.0165 Å (C26—C38), respectively. The largest deviations are 0.0695 Å for C13 and 0.0307 Å for C36. The dihedral angle between the planes is 73.73 (4)°.