organic compounds\(\def\hfill{\hskip 5em}\def\hfil{\hskip 3em}\def\eqno#1{\hfil {#1}}\)

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ISSN: 2056-9890

1,1′:4′,1′′-Terphenyl-2′,5′-dicarb­­oxy­lic acid di­methyl sulfoxide-d6 disolvate

aUniversité Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée, UMR/CNRS 5069, France, bDepartamento de Química Orgánica, Facultad de Química, Pontificia Universidad Católica, Santiago, Chile, cDepartamento de Química Inorgánica, Facultad de Química, Pontificia Universidad Católica, Santiago, Chile, Casilla 306 Correo 22, Santiago, Chile, dUniversidad Andres Bello, Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Av. República 275 3er Piso, Santiago, Chile, and eCentro para el Desarrollo de la Nanociencia y la Nanotecnología, CEDENNA, Chile
*Correspondence e-mail: andresvega@unab.cl, ichavez@uc.cl

(Received 30 January 2012; accepted 20 March 2012; online 28 March 2012)

The asymmetric unit of the title solvate, C20H14O4·2C2D6OS, contains half of the substituted terephthalic acid mol­ecule and one solvent mol­ecule. The centroid of the central benzene ring in the acid mol­ecule is coincident with a crystallographic inversion center. Neither the carboxyl nor the phenyl substituents are coplanar with the central aromatic ring, showing dihedral angles of 53.18 (11) and 47.83 (11)°, respectively. The dimethyl sulfoxide solvent mol­ecules are hydrogen bonded to the carb­oxy­lic acid groups.

Related literature

For the synthesis of the title compound, see: Deuschel (1951[Deuschel, W. (1951). Helv. Chim. Acta, 34, 168-185.]); Ebel & Deuschel (1956[Ebel, F. & Deuschel, W. (1956). Chem. Ber. 69, 2794-2799.]). For similar mol­ecules, see: Tanaka et al. (2009[Tanaka, K., Akiyoshi, T., Itoh, H., Takahashi, H. & Urbanczyk-Lipkowska, Z. (2009). Tetrahedron, 65, 2318-2321.]).

[Scheme 1]

Experimental

Crystal data
  • C20H14O4·2C2D6OS

  • Mr = 486.61

  • Triclinic, [P \overline 1]

  • a = 6.5184 (9) Å

  • b = 8.8273 (12) Å

  • c = 10.6017 (14) Å

  • α = 97.076 (2)°

  • β = 97.074 (2)°

  • γ = 93.127 (2)°

  • V = 599.26 (14) Å3

  • Z = 1

  • Mo Kα radiation

  • μ = 0.26 mm−1

  • T = 150 K

  • 0.29 × 0.22 × 0.10 mm

Data collection
  • Siemens SMART CCD area-detector diffractometer

  • Absorption correction: multi-scan (SADABS; Bruker, 2001[Bruker (2001). SMART-NT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]) Tmin = 0.929, Tmax = 0.975

  • 3730 measured reflections

  • 2101 independent reflections

  • 1707 reflections with I > 2σ(I)

  • Rint = 0.012

Refinement
  • R[F2 > 2σ(F2)] = 0.049

  • wR(F2) = 0.145

  • S = 1.04

  • 2101 reflections

  • 148 parameters

  • H-atom parameters constrained

  • Δρmax = 0.53 e Å−3

  • Δρmin = −0.17 e Å−3

Table 1
Hydrogen-bond geometry (Å, °)

D—H⋯A D—H H⋯A DA D—H⋯A
O1—H10⋯O3i 0.926 1.659 2.581 (2) 174
Symmetry code: (i) x+1, y, z.

Data collection: SMART-NT (Bruker, 2001[Bruker (2001). SMART-NT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT-NT (Bruker, 1999[Bruker (1999). SAINT-NT. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT-NT; program(s) used to solve structure: SHELXTL-NT (Sheldrick, 2008)[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]; program(s) used to refine structure: SHELXTL-NT[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]; molecular graphics: SHELXTL-NT[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]; software used to prepare material for publication: SHELXTL-NT[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.].

Supporting information


Comment top

2,5-Diphenyl-1,4-benzenedicarboxylic acid (2,5-Diphenylterephthalic acid) has been described previously as a precursor towards trans-fluorenacenedione, prepared by its dehydration with sulfuric acid (Ebel & Deuschel, 1956).

The compound has a central terephtalic acid core, substituted at positions 2 and 5 with phenyl groups. The molecule has been previoulsy described by Tanaka et al. (Tanaka et al., 2009) in the form of an ethanol solvate. Tanaka et al. also described a related compound where the phenyl groups were replaced by p-fluorophenyl groups, which crystallized as a dimethylformamide solvate.

The carboxylic acid and the phenyl groups are highly planar. They define dihedral angles of 53.18 (11)° and 47.83 (11)°, respectively, with the central aromatic ring. The corresponding values are 28.2 (2)° and 57.2 (1)°, and 115.3 (1)° and 46.3 (1)°, for both dihedral angles in the ethanol solvate, and in the p-fluoro compound, respectively.

The molecule has an inversion center (crystallographic) coincident with the centroid of the central ring, so the point group symmetry of the isolated molecule is Ci. The same happens for the ethanol solvate and the p-fluoro compounds respectively.

The packing shows a deuterated dimethyl sulfoxide solvent molecule hydrogen bonded with each carboxylic acid group, with O1···O3ii distance of 2.581 (2) Å (ii: x + 1, y, z). There are two molecules of solvent for a single diacid molecule, each one defining one of the aforementioned hydrogen bond with each carboxylic acid group. A closely related pattern occurs for the ethanol solvate of the title molecule and the dimethylformamide solvate of the p-fluoro derivative (Tanaka et al., 2009): two molecules of solvent, ethanol or dimethylformamide, are bonded by hydrogen bonds to both carboxylic acid groups.

Related literature top

For the synthesis of the title compound, see: Deuschel (1951); Ebel & Deuschel (1956). For similar molecules, see: Tanaka et al. (2009).

Experimental top

The compound was prepared by a method described in the literature (Deuschel, 1951; Ebel & Deuschel, 1956), slighty modified by using d6-DMSO for crystallization instead of C6H5CN, giving the DMSO-clathrate. The title compound was prepared in a 93% yield, mp. = 280°C (dec).

Refinement top

The hydrogen atoms positions were calculated after each cycle of refinement with SHELXL (Bruker,1999) using a riding model, with C—H distances in the range of 0.93 to 0.96 Å. Uiso(H) values were set equal to 1.5Ueq of the parent carbon atom for methyl groups, and 1.2Ueq for the others. The carboxylic acid hydrogen atom was located in the difference Fourier map, and its coordinates were subsequentely kept fixed (by adding 10 to the coordinates in SHELXL), while Uiso(H) was left free to refine.

Structure description top

2,5-Diphenyl-1,4-benzenedicarboxylic acid (2,5-Diphenylterephthalic acid) has been described previously as a precursor towards trans-fluorenacenedione, prepared by its dehydration with sulfuric acid (Ebel & Deuschel, 1956).

The compound has a central terephtalic acid core, substituted at positions 2 and 5 with phenyl groups. The molecule has been previoulsy described by Tanaka et al. (Tanaka et al., 2009) in the form of an ethanol solvate. Tanaka et al. also described a related compound where the phenyl groups were replaced by p-fluorophenyl groups, which crystallized as a dimethylformamide solvate.

The carboxylic acid and the phenyl groups are highly planar. They define dihedral angles of 53.18 (11)° and 47.83 (11)°, respectively, with the central aromatic ring. The corresponding values are 28.2 (2)° and 57.2 (1)°, and 115.3 (1)° and 46.3 (1)°, for both dihedral angles in the ethanol solvate, and in the p-fluoro compound, respectively.

The molecule has an inversion center (crystallographic) coincident with the centroid of the central ring, so the point group symmetry of the isolated molecule is Ci. The same happens for the ethanol solvate and the p-fluoro compounds respectively.

The packing shows a deuterated dimethyl sulfoxide solvent molecule hydrogen bonded with each carboxylic acid group, with O1···O3ii distance of 2.581 (2) Å (ii: x + 1, y, z). There are two molecules of solvent for a single diacid molecule, each one defining one of the aforementioned hydrogen bond with each carboxylic acid group. A closely related pattern occurs for the ethanol solvate of the title molecule and the dimethylformamide solvate of the p-fluoro derivative (Tanaka et al., 2009): two molecules of solvent, ethanol or dimethylformamide, are bonded by hydrogen bonds to both carboxylic acid groups.

For the synthesis of the title compound, see: Deuschel (1951); Ebel & Deuschel (1956). For similar molecules, see: Tanaka et al. (2009).

Computing details top

Data collection: SMART-NT (Bruker, 2001); cell refinement: SAINT-NT (Bruker, 1999); data reduction: SAINT-NT (Bruker, 1999); program(s) used to solve structure: SHELXTL-NT (Sheldrick, 2008); program(s) used to refine structure: SHELXTL-NT (Sheldrick, 2008); molecular graphics: SHELXTL-NT (Sheldrick, 2008); software used to prepare material for publication: SHELXTL-NT (Sheldrick, 2008).

Figures top
[Figure 1] Fig. 1. Molecular structure diagram for I, showing the numbering scheme. Displacement ellipsoids are drawn at the 25% probability level and H atoms are shown as spheres of arbitrary radii. Symmetry codes (i): –x+1, –y+1, –z+1; (ii) x + 1, y, z; (iii): –x, –y+1, –z+1.
1,1':4',1''-Terphenyl-2',5'-dicarboxylic acid dimethyl sulfoxide-d6 disolvate top
Crystal data top
C20H14O4·2C2D6OSZ = 1
Mr = 486.61F(000) = 250
Triclinic, P1Dx = 1.348 Mg m3
Hall symbol: -P 1Mo Kα radiation, λ = 0.71073 Å
a = 6.5184 (9) ÅCell parameters from 1643 reflections
b = 8.8273 (12) Åθ = 2.3–24.2°
c = 10.6017 (14) ŵ = 0.26 mm1
α = 97.076 (2)°T = 150 K
β = 97.074 (2)°Block, colorless
γ = 93.127 (2)°0.29 × 0.22 × 0.10 mm
V = 599.26 (14) Å3
Data collection top
Siemens SMART CCD area-detector
diffractometer
2101 independent reflections
Radiation source: fine-focus sealed tube1707 reflections with I > 2σ(I)
Graphite monochromatorRint = 0.012
φ and ω scansθmax = 25.0°, θmin = 2.3°
Absorption correction: multi-scan
(SADABS; Bruker, 2001)
h = 77
Tmin = 0.929, Tmax = 0.975k = 1010
3730 measured reflectionsl = 1212
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.049Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.145H-atom parameters constrained
S = 1.04 w = 1/[σ2(Fo2) + (0.0891P)2 + 0.1414P]
where P = (Fo2 + 2Fc2)/3
2101 reflections(Δ/σ)max < 0.001
148 parametersΔρmax = 0.53 e Å3
0 restraintsΔρmin = 0.17 e Å3
Crystal data top
C20H14O4·2C2D6OSγ = 93.127 (2)°
Mr = 486.61V = 599.26 (14) Å3
Triclinic, P1Z = 1
a = 6.5184 (9) ÅMo Kα radiation
b = 8.8273 (12) ŵ = 0.26 mm1
c = 10.6017 (14) ÅT = 150 K
α = 97.076 (2)°0.29 × 0.22 × 0.10 mm
β = 97.074 (2)°
Data collection top
Siemens SMART CCD area-detector
diffractometer
2101 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2001)
1707 reflections with I > 2σ(I)
Tmin = 0.929, Tmax = 0.975Rint = 0.012
3730 measured reflections
Refinement top
R[F2 > 2σ(F2)] = 0.0490 restraints
wR(F2) = 0.145H-atom parameters constrained
S = 1.04Δρmax = 0.53 e Å3
2101 reflectionsΔρmin = 0.17 e Å3
148 parameters
Special details top

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.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
xyzUiso*/Ueq
C10.6023 (3)0.3696 (2)0.48626 (19)0.0397 (5)
H10.67370.28140.47700.048*
C20.6546 (3)0.4883 (2)0.41945 (19)0.0371 (5)
C100.8077 (3)0.4593 (2)0.3263 (2)0.0408 (5)
O10.9582 (2)0.37837 (18)0.36916 (14)0.0503 (4)
O20.7903 (3)0.5003 (2)0.22114 (16)0.0603 (5)
H101.03480.34610.30420.073 (8)*
C30.5515 (3)0.6244 (2)0.43352 (19)0.0385 (5)
C40.6018 (3)0.7627 (2)0.3727 (2)0.0413 (5)
C50.4423 (4)0.8397 (3)0.3156 (2)0.0532 (6)
H50.30590.80070.31180.064*
C60.4828 (5)0.9733 (3)0.2644 (3)0.0637 (7)
H60.37461.02360.22650.076*
C70.6846 (5)1.0312 (3)0.2699 (3)0.0640 (7)
H70.71321.11990.23430.077*
C80.8446 (4)0.9578 (3)0.3283 (2)0.0607 (7)
H80.98070.99800.33290.073*
C90.8033 (4)0.8244 (3)0.3801 (2)0.0500 (6)
H90.91180.77600.42000.060*
S10.18071 (11)0.35077 (8)0.07652 (6)0.0630 (3)
O30.1731 (3)0.2709 (3)0.19405 (18)0.0834 (7)
C110.4021 (4)0.2871 (4)0.0103 (3)0.0744 (8)
D11A0.52490.33100.06470.112*
D11B0.40200.31830.07330.112*
D11C0.39930.17760.00350.112*
C120.0093 (5)0.2526 (4)0.0412 (3)0.0850 (10)
D12A0.00880.14490.04790.127*
D12B0.00360.28780.12220.127*
D12C0.14420.27150.01800.127*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
C10.0418 (11)0.0386 (11)0.0396 (11)0.0091 (8)0.0070 (9)0.0044 (9)
C20.0362 (10)0.0422 (11)0.0333 (10)0.0052 (8)0.0054 (8)0.0045 (8)
C100.0433 (11)0.0400 (11)0.0397 (12)0.0049 (9)0.0094 (9)0.0030 (9)
O10.0478 (9)0.0628 (10)0.0453 (9)0.0194 (7)0.0156 (7)0.0105 (7)
O20.0705 (11)0.0738 (12)0.0461 (10)0.0263 (9)0.0230 (8)0.0208 (8)
C30.0386 (11)0.0411 (11)0.0359 (11)0.0049 (8)0.0046 (8)0.0050 (8)
C40.0470 (12)0.0416 (12)0.0377 (11)0.0087 (9)0.0115 (9)0.0065 (9)
C50.0520 (13)0.0555 (15)0.0569 (14)0.0134 (11)0.0118 (11)0.0177 (11)
C60.0789 (18)0.0539 (15)0.0655 (17)0.0245 (13)0.0157 (14)0.0211 (12)
C70.098 (2)0.0383 (13)0.0591 (16)0.0018 (13)0.0223 (14)0.0104 (11)
C80.0687 (16)0.0521 (15)0.0605 (16)0.0109 (12)0.0133 (13)0.0055 (12)
C90.0497 (13)0.0495 (13)0.0519 (14)0.0036 (10)0.0091 (10)0.0090 (10)
S10.0719 (5)0.0675 (5)0.0573 (5)0.0266 (3)0.0223 (3)0.0148 (3)
O30.1020 (16)0.1079 (16)0.0601 (12)0.0620 (13)0.0431 (11)0.0331 (11)
C110.0644 (17)0.102 (2)0.0625 (17)0.0194 (16)0.0214 (14)0.0155 (16)
C120.0634 (18)0.104 (2)0.091 (2)0.0067 (17)0.0121 (16)0.0226 (19)
Geometric parameters (Å, º) top
C1—C21.385 (3)C6—H60.9300
C1—C3i1.391 (3)C7—C81.380 (4)
C1—H10.9300C7—H70.9300
C2—C31.410 (3)C8—C91.386 (3)
C2—C101.498 (3)C8—H80.9300
C10—O21.209 (3)C9—H90.9300
C10—O11.314 (3)S1—O31.5101 (19)
O1—H100.926S1—C121.754 (3)
C3—C1i1.391 (3)S1—C111.769 (3)
C3—C41.489 (3)C11—D11A0.9600
C4—C91.384 (3)C11—D11B0.9600
C4—C51.390 (3)C11—D11C0.9600
C5—C61.384 (3)C12—D12A0.9600
C5—H50.9300C12—D12B0.9600
C6—C71.377 (4)C12—D12C0.9600
C2—C1—C3i123.41 (19)C6—C7—H7120.0
C2—C1—H1118.3C8—C7—H7120.0
C3i—C1—H1118.3C7—C8—C9120.2 (2)
C1—C2—C3119.46 (18)C7—C8—H8119.9
C1—C2—C10117.34 (18)C9—C8—H8119.9
C3—C2—C10122.99 (19)C4—C9—C8120.4 (2)
O2—C10—O1123.55 (19)C4—C9—H9119.8
O2—C10—C2123.75 (19)C8—C9—H9119.8
O1—C10—C2112.63 (18)O3—S1—C12105.90 (15)
C10—O1—H10110.50O3—S1—C11105.11 (13)
C1i—C3—C2117.12 (19)C12—S1—C1198.15 (16)
C1i—C3—C4118.39 (18)S1—C11—D11A109.5
C2—C3—C4124.45 (18)S1—C11—D11B109.5
C9—C4—C5118.6 (2)D11A—C11—D11B109.5
C9—C4—C3121.63 (19)S1—C11—D11C109.5
C5—C4—C3119.6 (2)D11A—C11—D11C109.5
C6—C5—C4121.2 (2)D11B—C11—D11C109.5
C6—C5—H5119.4S1—C12—D12A109.5
C4—C5—H5119.4S1—C12—D12B109.5
C7—C6—C5119.5 (2)D12A—C12—D12B109.5
C7—C6—H6120.2S1—C12—D12C109.5
C5—C6—H6120.2D12A—C12—D12C109.5
C6—C7—C8120.1 (2)D12B—C12—D12C109.5
C3i—C1—C2—C31.1 (3)C2—C3—C4—C948.8 (3)
C3i—C1—C2—C10173.80 (19)C1i—C3—C4—C546.1 (3)
C1—C2—C10—O2137.8 (2)C2—C3—C4—C5136.4 (2)
C3—C2—C10—O237.0 (3)C9—C4—C5—C61.4 (4)
C1—C2—C10—O139.3 (3)C3—C4—C5—C6176.4 (2)
C3—C2—C10—O1145.9 (2)C4—C5—C6—C70.0 (4)
C1—C2—C3—C1i1.1 (3)C5—C6—C7—C81.2 (4)
C10—C2—C3—C1i173.57 (18)C6—C7—C8—C90.9 (4)
C1—C2—C3—C4176.46 (19)C5—C4—C9—C81.8 (3)
C10—C2—C3—C48.9 (3)C3—C4—C9—C8176.6 (2)
C1i—C3—C4—C9128.7 (2)C7—C8—C9—C40.6 (4)
Symmetry code: (i) x+1, y+1, z+1.
Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O1—H10···O3ii0.9261.6592.581 (2)174
Symmetry code: (ii) x+1, y, z.

Experimental details

Crystal data
Chemical formulaC20H14O4·2C2D6OS
Mr486.61
Crystal system, space groupTriclinic, P1
Temperature (K)150
a, b, c (Å)6.5184 (9), 8.8273 (12), 10.6017 (14)
α, β, γ (°)97.076 (2), 97.074 (2), 93.127 (2)
V3)599.26 (14)
Z1
Radiation typeMo Kα
µ (mm1)0.26
Crystal size (mm)0.29 × 0.22 × 0.10
Data collection
DiffractometerSiemens SMART CCD area-detector
Absorption correctionMulti-scan
(SADABS; Bruker, 2001)
Tmin, Tmax0.929, 0.975
No. of measured, independent and
observed [I > 2σ(I)] reflections
3730, 2101, 1707
Rint0.012
(sin θ/λ)max1)0.595
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.049, 0.145, 1.04
No. of reflections2101
No. of parameters148
H-atom treatmentH-atom parameters constrained
Δρmax, Δρmin (e Å3)0.53, 0.17

Computer programs: SMART-NT (Bruker, 2001), SAINT-NT (Bruker, 1999), SHELXTL-NT (Sheldrick, 2008).

Hydrogen-bond geometry (Å, º) top
D—H···AD—HH···AD···AD—H···A
O1—H10···O3i0.9261.6592.581 (2)174
Symmetry code: (i) x+1, y, z.
 

Acknowledgements

The authors acknowledge financial support from FONDECYT 1110902 and Proyecto P07-006-F de la Iniciativa Científica Milenio del Ministerio de Economía, Fomento y Turismo. AV is a member of Financiamiento Basal para Centros Científicos y Tecnológicos de Excelencia FB0807.

References

First citationBruker (1999). SAINT-NT. Bruker AXS Inc., Madison, Wisconsin, USA.  Google Scholar
First citationBruker (2001). SMART-NT and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.  Google Scholar
First citationDeuschel, W. (1951). Helv. Chim. Acta, 34, 168–185.  CrossRef CAS Web of Science Google Scholar
First citationEbel, F. & Deuschel, W. (1956). Chem. Ber. 69, 2794–2799.  CrossRef Web of Science Google Scholar
First citationSheldrick, G. M. (2008). Acta Cryst. A64, 112–122.  Web of Science CrossRef CAS IUCr Journals Google Scholar
First citationTanaka, K., Akiyoshi, T., Itoh, H., Takahashi, H. & Urbanczyk-Lipkowska, Z. (2009). Tetrahedron, 65, 2318–2321.  Web of Science CSD CrossRef CAS Google Scholar

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