organic compounds
7-Hydroxyindan-1-one
aDepartment of Chemical Engineering, Feng Chia University, 40724 Taichung, Taiwan, and bInstitute of Chemistry, Academia Sinica, 115 Taipei, Taiwan
*Correspondence e-mail: kyuchen@fcu.edu.tw
In the title compound, C9H8O2, an intramolecular O—H⋯O hydrogen bond generates an S(6) ring. The dihedral angle between the mean plane of the S(6) ring and the benzene ring is 1.89 (2)°. In the crystal, inversion-related molecules are linked by pairs of O—H⋯O hydrogen bonds, forming a cyclic dimers with R22(12) graph-set motif. Weak intermolecular C—H⋯Ocarbonyl and C—H⋯Ohydroxy hydrogen bonds link the dimers into chains along [010], generating two C(6) motifs that overlap three C atoms, forming R22(8) ring motifs.
Related literature
For the spectroscopy and the dynamic processes related to the intramolecular proton transfer of the title compound, see: Aquino et al. (2005); Chou et al. (1991); Nagaoka et al. (1984); Nishiya et al. (1986). For its preparation, see: Tadić et al. (1988). For related structures, see: Li et al. (2007); Saeed et al. (2007). For graph-set theory, see: Bernstein et al. (1995).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2001); cell SAINT (Bruker, 2001); 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); software used to prepare material for publication: WinGX (Farrugia, 1999).
Supporting information
10.1107/S1600536811009718/si2340sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811009718/si2340Isup2.hkl
7-hydroxy-1-indanone was purchased from Sigma-Aldrich (>97% purity) and used as received without further purification. White needle-shaped crystals suitable for the crystallographic studies reported here were isolated over a period of two weeks by slow evaporation from a cyclohexane solution.
H atoms bonded to O and C atoms were located in a difference
and refined freely with respective distances of 0.88 (2) Å for O—H, and for C—H in the range 0.95 (2) - 1.01 (1) Å. The freely refined Uiso(H) were found in ranges between 0.019 (3) and 0.024 (4) Å-2 (bound to C atoms), for the hydroxy H atom a value of 0.044 (5) Å-2 was observed.Data collection: SMART (Bruker, 2001); cell
SAINT (Bruker, 2001); data reduction: SAINT (Bruker, 2001); 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); software used to prepare material for publication: WinGX (Farrugia, 1999).Fig. 1. The molecular structure of the title compound, showing 50% probability displacement ellipsoids. | |
Fig. 2. A section of the crystal packing of the title compound, viewed down the a axis. |
C9H8O2 | F(000) = 312 |
Mr = 148.15 | Dx = 1.434 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 2865 reflections |
a = 7.3457 (3) Å | θ = 3.3–26.4° |
b = 13.3767 (5) Å | µ = 0.10 mm−1 |
c = 7.3693 (3) Å | T = 100 K |
β = 108.584 (2)° | Prism, colourless |
V = 686.36 (5) Å3 | 0.28 × 0.24 × 0.24 mm |
Z = 4 |
Bruker SMART CCD area-detector diffractometer | 1400 independent reflections |
Radiation source: fine-focus sealed tube | 1252 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.022 |
ϕ and ω scans | θmax = 26.4°, θmin = 3.1° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −9→9 |
Tmin = 0.676, Tmax = 0.745 | k = −16→16 |
5437 measured reflections | l = −9→7 |
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)] = 0.033 | All H-atom parameters refined |
wR(F2) = 0.089 | w = 1/[σ2(Fo2) + (0.0465P)2 + 0.2373P] where P = (Fo2 + 2Fc2)/3 |
S = 1.04 | (Δ/σ)max < 0.001 |
1400 reflections | Δρmax = 0.28 e Å−3 |
133 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: 0.014 (4) |
C9H8O2 | V = 686.36 (5) Å3 |
Mr = 148.15 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 7.3457 (3) Å | µ = 0.10 mm−1 |
b = 13.3767 (5) Å | T = 100 K |
c = 7.3693 (3) Å | 0.28 × 0.24 × 0.24 mm |
β = 108.584 (2)° |
Bruker SMART CCD area-detector diffractometer | 1400 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 1252 reflections with I > 2σ(I) |
Tmin = 0.676, Tmax = 0.745 | Rint = 0.022 |
5437 measured reflections |
R[F2 > 2σ(F2)] = 0.033 | 0 restraints |
wR(F2) = 0.089 | All H-atom parameters refined |
S = 1.04 | Δρmax = 0.28 e Å−3 |
1400 reflections | Δρmin = −0.18 e Å−3 |
133 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 | ||
O1 | 0.08166 (12) | 0.42309 (6) | 0.66091 (12) | 0.0198 (2) | |
O2 | 0.23230 (12) | 0.62427 (6) | 0.67482 (12) | 0.0187 (2) | |
C1 | 0.13603 (16) | 0.35050 (9) | 0.97988 (17) | 0.0164 (3) | |
C2 | 0.14647 (15) | 0.42957 (8) | 0.83566 (17) | 0.0147 (3) | |
C3 | 0.28549 (15) | 0.60687 (8) | 0.86582 (17) | 0.0141 (3) | |
C4 | 0.38227 (16) | 0.68108 (9) | 0.99239 (17) | 0.0158 (3) | |
C5 | 0.43377 (16) | 0.66351 (9) | 1.18845 (17) | 0.0168 (3) | |
C6 | 0.39144 (16) | 0.57428 (9) | 1.26467 (17) | 0.0168 (3) | |
C7 | 0.23864 (17) | 0.39569 (9) | 1.17926 (18) | 0.0170 (3) | |
C8 | 0.24541 (15) | 0.51652 (8) | 0.94170 (16) | 0.0139 (3) | |
C9 | 0.29761 (15) | 0.49992 (8) | 1.13835 (17) | 0.0143 (3) | |
H1A | 0.001 (2) | 0.3364 (10) | 0.9591 (19) | 0.019 (3)* | |
H1B | 0.1971 (19) | 0.2884 (10) | 0.9566 (19) | 0.019 (3)* | |
H2 | 0.164 (2) | 0.5745 (14) | 0.609 (2) | 0.044 (5)* | |
H4 | 0.414 (2) | 0.7437 (12) | 0.945 (2) | 0.026 (4)* | |
H5 | 0.5008 (19) | 0.7159 (10) | 1.2762 (19) | 0.019 (3)* | |
H6 | 0.425 (2) | 0.5649 (11) | 1.398 (2) | 0.024 (4)* | |
H7A | 0.154 (2) | 0.3975 (11) | 1.264 (2) | 0.024 (4)* | |
H7B | 0.354 (2) | 0.3563 (10) | 1.250 (2) | 0.021 (4)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0216 (5) | 0.0187 (5) | 0.0167 (5) | −0.0005 (3) | 0.0025 (4) | −0.0018 (3) |
O2 | 0.0228 (5) | 0.0171 (4) | 0.0146 (5) | −0.0036 (3) | 0.0038 (3) | 0.0006 (3) |
C1 | 0.0153 (6) | 0.0142 (6) | 0.0200 (6) | 0.0005 (4) | 0.0061 (5) | 0.0003 (5) |
C2 | 0.0113 (5) | 0.0144 (6) | 0.0187 (6) | 0.0021 (4) | 0.0051 (4) | −0.0008 (4) |
C3 | 0.0117 (5) | 0.0157 (6) | 0.0151 (6) | 0.0024 (4) | 0.0043 (4) | 0.0009 (4) |
C4 | 0.0140 (5) | 0.0130 (5) | 0.0204 (7) | 0.0002 (4) | 0.0057 (5) | 0.0005 (4) |
C5 | 0.0143 (5) | 0.0153 (6) | 0.0195 (6) | 0.0006 (4) | 0.0035 (5) | −0.0044 (5) |
C6 | 0.0159 (6) | 0.0198 (6) | 0.0141 (6) | 0.0024 (4) | 0.0037 (5) | −0.0003 (5) |
C7 | 0.0178 (6) | 0.0154 (6) | 0.0180 (6) | 0.0008 (4) | 0.0059 (5) | 0.0019 (5) |
C8 | 0.0110 (5) | 0.0140 (5) | 0.0170 (6) | 0.0017 (4) | 0.0050 (4) | −0.0010 (4) |
C9 | 0.0118 (5) | 0.0145 (6) | 0.0173 (6) | 0.0033 (4) | 0.0054 (4) | 0.0007 (4) |
O1—C2 | 1.2255 (14) | C4—C5 | 1.3919 (17) |
O2—C3 | 1.3556 (14) | C4—H4 | 0.962 (16) |
O2—H2 | 0.883 (19) | C5—C6 | 1.3958 (17) |
C1—C2 | 1.5185 (16) | C5—H5 | 0.974 (14) |
C1—C7 | 1.5448 (17) | C6—C9 | 1.3864 (16) |
C1—H1A | 0.976 (15) | C6—H6 | 0.945 (15) |
C1—H1B | 0.984 (14) | C7—C9 | 1.5184 (16) |
C2—C8 | 1.4594 (15) | C7—H7A | 1.011 (14) |
C3—C4 | 1.3922 (16) | C7—H7B | 0.993 (14) |
C3—C8 | 1.4017 (16) | C8—C9 | 1.3937 (16) |
C3—O2—H2 | 111.7 (11) | C4—C5—H5 | 118.7 (8) |
C2—C1—C7 | 105.96 (9) | C6—C5—H5 | 118.6 (8) |
C2—C1—H1A | 107.5 (8) | C9—C6—C5 | 118.04 (11) |
C7—C1—H1A | 112.9 (8) | C9—C6—H6 | 121.0 (9) |
C2—C1—H1B | 109.8 (8) | C5—C6—H6 | 120.9 (9) |
C7—C1—H1B | 112.6 (8) | C9—C7—C1 | 104.72 (9) |
H1A—C1—H1B | 107.9 (11) | C9—C7—H7A | 111.8 (8) |
O1—C2—C8 | 125.41 (11) | C1—C7—H7A | 112.6 (8) |
O1—C2—C1 | 126.65 (10) | C9—C7—H7B | 110.0 (8) |
C8—C2—C1 | 107.94 (10) | C1—C7—H7B | 111.6 (8) |
O2—C3—C4 | 119.33 (10) | H7A—C7—H7B | 106.3 (11) |
O2—C3—C8 | 122.32 (10) | C9—C8—C3 | 121.94 (10) |
C4—C3—C8 | 118.35 (11) | C9—C8—C2 | 110.78 (10) |
C5—C4—C3 | 119.14 (11) | C3—C8—C2 | 127.28 (11) |
C5—C4—H4 | 120.3 (9) | C6—C9—C8 | 119.80 (11) |
C3—C4—H4 | 120.5 (9) | C6—C9—C7 | 129.62 (11) |
C4—C5—C6 | 122.71 (11) | C8—C9—C7 | 110.57 (10) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O1 | 0.880 (17) | 2.182 (18) | 2.899 (1) | 138 (1) |
O2—H2···O1i | 0.880 (17) | 2.219 (14) | 2.864 (1) | 130 (1) |
C1—H1B···O2ii | 0.985 (14) | 2.519 (14) | 3.478 (1) | 164 (1) |
C4—H4···O1iii | 0.964 (16) | 2.527 (16) | 3.467 (1) | 165 (1) |
Symmetry codes: (i) −x, −y+1, −z+1; (ii) −x+1/2, y−1/2, −z+3/2; (iii) −x+1/2, y+1/2, −z+3/2. |
Experimental details
Crystal data | |
Chemical formula | C9H8O2 |
Mr | 148.15 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 100 |
a, b, c (Å) | 7.3457 (3), 13.3767 (5), 7.3693 (3) |
β (°) | 108.584 (2) |
V (Å3) | 686.36 (5) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.28 × 0.24 × 0.24 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.676, 0.745 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 5437, 1400, 1252 |
Rint | 0.022 |
(sin θ/λ)max (Å−1) | 0.625 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.033, 0.089, 1.04 |
No. of reflections | 1400 |
No. of parameters | 133 |
H-atom treatment | All H-atom parameters refined |
Δρmax, Δρmin (e Å−3) | 0.28, −0.18 |
Computer programs: SMART (Bruker, 2001), SAINT (Bruker, 2001), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 for Windows (Farrugia, 1997), WinGX (Farrugia, 1999).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O1 | 0.880 (17) | 2.182 (18) | 2.899 (1) | 138 (1) |
O2—H2···O1i | 0.880 (17) | 2.219 (14) | 2.864 (1) | 130 (1) |
C1—H1B···O2ii | 0.985 (14) | 2.519 (14) | 3.478 (1) | 164 (1) |
C4—H4···O1iii | 0.964 (16) | 2.527 (16) | 3.467 (1) | 165 (1) |
Symmetry codes: (i) −x, −y+1, −z+1; (ii) −x+1/2, y−1/2, −z+3/2; (iii) −x+1/2, y+1/2, −z+3/2. |
Acknowledgements
Financial support from the National Science Council of the Republic of China is gratefully acknowledged.
References
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The excited-state intramolecular proton transfer (ESIPT) reaction of 7-hydroxy-1-indanone (7HIN) has been investigated for past decades (Aquino et al., 2005; Nagaoka et al., 1984; Nishiya et al., 1986), which incorporates transfer of a hydroxy proton to the carbonyl oxygen through a intramolecular six-membered-ring hydrogen-bonding system (Chou et al., 1991).
The ORTEP diagram of the title compound is shown in Figure 1. The indane moiety is essentially planar (r.m.s. deviation for the nine C atoms = 0.014 Å), which is consistent with previous studies (Li, et al., 2007; Saeed et al., 2007). 7HIN possesses a intramolecular six-membered ring hydrogen bond, which generates an S(6) ring motif. The dihedral angle between the mean plane of the S(6) ring and the mean plane of the benzene ring is 1.89 (2)°. This, together with 2.182 (18) Å of O2—H2···O1 distance and 138 (1)° of O2—H2—O1 (Table 1), strongly supports the S(6) ring formation. (Bernstein et al., 1995). In the crystal structure, two inversion related molecules are linked by dual O—H···O hydrogen bonds (black dashed line) to form a cyclic dimer of R22(12) ring system (Fig. 2). Furthermore, weak intermolecular C4—H4···O1 (green dashed line) and C1—H1B···O2 (blue dashed line) hydrogen bonds link the dimers into the chains along [0 1 0], generating two C(6) motifs that overlap three C atoms (C2, C8 and C3) to form R22(8) ring motifs.