metal-organic compounds
catena-Poly[[diaquazinc(II)]-μ-4,4′-(methylenedioxy)dibenzoato]
aCollege of Urban and Environmental Sciences, Northeast Normal University, Changchun 130024, People's Republic of China, and bSchool of Chemistry and Environmental Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
*Correspondence e-mail: yuanx@nenu.edu.cn
In the title complex, [Zn(C15H10O6)(H2O)2]n, the ZnII atom is located on a twofold rotation axis and exhibits a distorted tetrahedral coordination environment defined by two O atoms from two 4,4′-(methylenedioxy)dibenzoate ligands and two O atoms from two coordinated water molecules. In the molecules are linked into a three-dimensional framework by O—H⋯O hydrogen bonds and C—H⋯π interactions.
Related literature
For the potential properties and structural topologies of metal-organic complexes involving polycarboxylate ligands, see: Chen & Liu (2002); Han et al. (2009); Li et al. (2007).
Experimental
Crystal data
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Refinement
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Data collection: PROCESS-AUTO (Rigaku, 1998); cell PROCESS-AUTO; data reduction: PROCESS-AUTO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL-Plus (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536809006965/at2728sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809006965/at2728Isup2.hkl
Zinc(II) acetate dihydrate (0.066 g, 0.3 mol), bis(4-benzoateoxyl)methane (0.058 g, 0.2 mmol), sodium hydroxide (0.016 g, 0.4 mmol) and water (14 ml) were placed in a 23 ml Teflon-lined autoclave, and the autoclave was heated at 423 K for 3 d. After cooling slowly to room temperature at a rate of 10 K h-1, colourless crystals of (I) were obtained.
C-bound H atoms were treated as riding, with C—H = 0.93 and 0.97Å and Uiso(H) = 1.2 times Ueq(C). O-bound H atoms were located in a difference Fourier map and refined as riding in their as-found relative positions; Uiso(H) = 1.5Ueq(O).
Data collection: PROCESS-AUTO (Rigaku, 1998); cell
PROCESS-AUTO (Rigaku, 1998); data reduction: PROCESS-AUTO (Rigaku, 1998); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL-Plus (Sheldrick, 2008); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. View of the local coordination of Zn(II) with the atomic numbering scheme. Displacement ellipsoids are drawn at the 30% probability level. | |
Fig. 2. A packing diagram for the three-dimensional supramolecular framework via O—H···O interactions. The view direction is parallel to the a axis. Hydrogen bonds are indicated by dashed lines. |
[Zn(C15H10O6)(H2O)2] | F(000) = 396 |
Mr = 387.63 | Dx = 1.705 Mg m−3 |
Monoclinic, P2/c | Mo Kα radiation, λ = 0.71069 Å |
Hall symbol: -P 2yc | Cell parameters from 3185 reflections |
a = 13.496 (1) Å | θ = 2.1–27.4° |
b = 4.931 (1) Å | µ = 1.67 mm−1 |
c = 12.357 (1) Å | T = 293 K |
β = 113.352 (1)° | Block, colourless |
V = 755.0 (2) Å3 | 0.21 × 0.19 × 0.15 mm |
Z = 2 |
Rigaku R-AXIS RAPID diffractometer | 1696 independent reflections |
Radiation source: fine-focus sealed tube | 1461 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.027 |
Detector resolution: 10 pixels mm-1 | θmax = 27.5°, θmin = 3.3° |
ω scans | h = −10→17 |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | k = −6→5 |
Tmin = 0.707, Tmax = 0.780 | l = −15→15 |
4318 measured reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.032 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.075 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0304P)2 + 0.2993P] where P = (Fo2 + 2Fc2)/3 |
1696 reflections | (Δ/σ)max < 0.001 |
118 parameters | Δρmax = 0.25 e Å−3 |
0 restraints | Δρmin = −0.30 e Å−3 |
[Zn(C15H10O6)(H2O)2] | V = 755.0 (2) Å3 |
Mr = 387.63 | Z = 2 |
Monoclinic, P2/c | Mo Kα radiation |
a = 13.496 (1) Å | µ = 1.67 mm−1 |
b = 4.931 (1) Å | T = 293 K |
c = 12.357 (1) Å | 0.21 × 0.19 × 0.15 mm |
β = 113.352 (1)° |
Rigaku R-AXIS RAPID diffractometer | 1696 independent reflections |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | 1461 reflections with I > 2σ(I) |
Tmin = 0.707, Tmax = 0.780 | Rint = 0.027 |
4318 measured reflections |
R[F2 > 2σ(F2)] = 0.032 | 0 restraints |
wR(F2) = 0.075 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | Δρmax = 0.25 e Å−3 |
1696 reflections | Δρmin = −0.30 e Å−3 |
118 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 | Occ. (<1) | |
Zn1 | 0.0000 | 0.02532 (7) | 0.2500 | 0.03611 (14) | |
O3 | 0.48509 (13) | 1.0388 (3) | 0.65056 (14) | 0.0430 (4) | |
O4 | 0.06484 (17) | −0.2446 (4) | 0.17945 (17) | 0.0484 (5) | |
O2 | 0.07014 (13) | 0.2515 (3) | 0.46679 (14) | 0.0420 (4) | |
O1 | 0.12200 (13) | 0.2746 (3) | 0.31887 (13) | 0.0406 (4) | |
C5 | 0.39531 (18) | 0.8759 (5) | 0.60267 (19) | 0.0351 (5) | |
C7 | 0.22564 (18) | 0.6856 (4) | 0.58165 (19) | 0.0356 (5) | |
H7 | 0.1685 | 0.6754 | 0.6055 | 0.043* | |
C1 | 0.13275 (18) | 0.3401 (4) | 0.42419 (18) | 0.0331 (5) | |
C8 | 0.5000 | 1.1980 (7) | 0.7500 | 0.0451 (8) | |
H8A | 0.4375 | 1.3138 | 0.7330 | 0.054* | 0.50 |
H8B | 0.5625 | 1.3138 | 0.7670 | 0.054* | 0.50 |
C2 | 0.22362 (18) | 0.5269 (4) | 0.48823 (19) | 0.0328 (5) | |
C6 | 0.31099 (19) | 0.8591 (5) | 0.6403 (2) | 0.0379 (5) | |
H6 | 0.3119 | 0.9624 | 0.7037 | 0.046* | |
C3 | 0.3096 (2) | 0.5481 (5) | 0.4528 (2) | 0.0434 (6) | |
H3 | 0.3092 | 0.4453 | 0.3896 | 0.052* | |
C4 | 0.3942 (2) | 0.7180 (5) | 0.5100 (2) | 0.0447 (6) | |
H4 | 0.4515 | 0.7273 | 0.4863 | 0.054* | |
H2 | 0.069 (3) | −0.244 (7) | 0.110 (3) | 0.100 (13)* | |
H1 | 0.085 (2) | −0.374 (6) | 0.210 (2) | 0.046 (8)* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Zn1 | 0.0455 (2) | 0.0276 (2) | 0.0380 (2) | 0.000 | 0.01943 (18) | 0.000 |
O3 | 0.0416 (9) | 0.0491 (10) | 0.0364 (9) | −0.0115 (8) | 0.0132 (7) | 0.0005 (7) |
O4 | 0.0832 (14) | 0.0311 (10) | 0.0397 (10) | 0.0128 (9) | 0.0338 (10) | 0.0040 (8) |
O2 | 0.0471 (9) | 0.0448 (9) | 0.0359 (9) | −0.0096 (8) | 0.0183 (7) | 0.0003 (7) |
O1 | 0.0538 (10) | 0.0371 (9) | 0.0338 (9) | −0.0057 (8) | 0.0205 (8) | −0.0074 (7) |
C5 | 0.0361 (12) | 0.0332 (11) | 0.0337 (12) | −0.0026 (10) | 0.0114 (10) | 0.0052 (10) |
C7 | 0.0367 (12) | 0.0370 (12) | 0.0370 (12) | −0.0021 (10) | 0.0189 (10) | −0.0009 (10) |
C1 | 0.0404 (12) | 0.0269 (10) | 0.0293 (11) | 0.0039 (9) | 0.0110 (10) | 0.0010 (9) |
C8 | 0.045 (2) | 0.0317 (17) | 0.051 (2) | 0.000 | 0.0109 (16) | 0.000 |
C2 | 0.0379 (12) | 0.0304 (11) | 0.0301 (11) | −0.0009 (9) | 0.0135 (9) | 0.0015 (9) |
C6 | 0.0445 (13) | 0.0378 (12) | 0.0338 (12) | −0.0033 (10) | 0.0179 (11) | −0.0055 (10) |
C3 | 0.0488 (14) | 0.0483 (14) | 0.0398 (13) | −0.0055 (12) | 0.0246 (12) | −0.0078 (11) |
C4 | 0.0447 (14) | 0.0506 (14) | 0.0483 (14) | −0.0037 (12) | 0.0285 (12) | −0.0033 (12) |
Zn1—O1 | 1.9582 (18) | C7—C2 | 1.386 (3) |
Zn1—O1i | 1.9582 (18) | C7—C6 | 1.387 (3) |
Zn1—O4 | 1.975 (2) | C7—H7 | 0.9300 |
Zn1—O4i | 1.975 (2) | C1—C2 | 1.487 (3) |
O3—C5 | 1.377 (3) | C8—O3ii | 1.404 (2) |
O3—C8 | 1.404 (2) | C8—H8A | 0.9700 |
O4—H2 | 0.88 (4) | C8—H8B | 0.9700 |
O4—H1 | 0.74 (3) | C2—C3 | 1.396 (3) |
O2—C1 | 1.239 (3) | C6—H6 | 0.9300 |
O1—C1 | 1.292 (3) | C3—C4 | 1.366 (3) |
C5—C4 | 1.380 (3) | C3—H3 | 0.9300 |
C5—C6 | 1.392 (3) | C4—H4 | 0.9300 |
O1—Zn1—O1i | 102.26 (11) | O1—C1—C2 | 115.52 (19) |
O1—Zn1—O4 | 99.87 (9) | O3—C8—O3ii | 112.0 (3) |
O1i—Zn1—O4 | 132.40 (8) | O3—C8—H8A | 109.2 |
O1—Zn1—O4i | 132.40 (8) | O3ii—C8—H8A | 109.2 |
O1i—Zn1—O4i | 99.87 (9) | O3—C8—H8B | 109.2 |
O4—Zn1—O4i | 95.27 (13) | O3ii—C8—H8B | 109.2 |
C5—O3—C8 | 119.93 (16) | H8A—C8—H8B | 107.9 |
Zn1—O4—H2 | 130 (2) | C7—C2—C3 | 118.3 (2) |
Zn1—O4—H1 | 119 (2) | C7—C2—C1 | 122.2 (2) |
H2—O4—H1 | 111 (3) | C3—C2—C1 | 119.5 (2) |
C1—O1—Zn1 | 109.52 (14) | C7—C6—C5 | 118.8 (2) |
O3—C5—C4 | 113.8 (2) | C7—C6—H6 | 120.6 |
O3—C5—C6 | 126.0 (2) | C5—C6—H6 | 120.6 |
C4—C5—C6 | 120.2 (2) | C4—C3—C2 | 120.8 (2) |
C2—C7—C6 | 121.5 (2) | C4—C3—H3 | 119.6 |
C2—C7—H7 | 119.3 | C2—C3—H3 | 119.6 |
C6—C7—H7 | 119.3 | C3—C4—C5 | 120.4 (2) |
O2—C1—O1 | 121.1 (2) | C3—C4—H4 | 119.8 |
O2—C1—C2 | 123.4 (2) | C5—C4—H4 | 119.8 |
O1i—Zn1—O1—C1 | 86.84 (14) | O1—C1—C2—C7 | 158.0 (2) |
O4—Zn1—O1—C1 | −135.58 (15) | O2—C1—C2—C3 | 159.3 (2) |
O4i—Zn1—O1—C1 | −29.01 (18) | O1—C1—C2—C3 | −21.1 (3) |
C8—O3—C5—C4 | −176.2 (2) | C2—C7—C6—C5 | 1.0 (3) |
C8—O3—C5—C6 | 3.1 (3) | O3—C5—C6—C7 | 179.5 (2) |
Zn1—O1—C1—O2 | −1.0 (3) | C4—C5—C6—C7 | −1.2 (3) |
Zn1—O1—C1—C2 | 179.28 (14) | C7—C2—C3—C4 | 0.9 (4) |
C5—O3—C8—O3ii | 64.94 (16) | C1—C2—C3—C4 | −180.0 (2) |
C6—C7—C2—C3 | −0.9 (3) | C2—C3—C4—C5 | −1.2 (4) |
C6—C7—C2—C1 | −179.9 (2) | O3—C5—C4—C3 | −179.3 (2) |
O2—C1—C2—C7 | −21.7 (3) | C6—C5—C4—C3 | 1.3 (4) |
Symmetry codes: (i) −x, y, −z+1/2; (ii) −x+1, y, −z+3/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H1···O1iii | 0.74 (3) | 2.13 (3) | 2.851 (3) | 167 (3) |
O4—H2···O2iv | 0.88 (4) | 1.78 (4) | 2.657 (3) | 177 (4) |
C8—H8A···Cg3v | 0.97 | 2.97 | 3.741 (3) | 137 |
C8—H8B···Cg3vi | 0.97 | 2.97 | 3.741 (3) | 137 |
Symmetry codes: (iii) x, y−1, z; (iv) x, −y, z−1/2; (v) x, y+1, z; (vi) −x+1, y+1, −z+3/2. |
Experimental details
Crystal data | |
Chemical formula | [Zn(C15H10O6)(H2O)2] |
Mr | 387.63 |
Crystal system, space group | Monoclinic, P2/c |
Temperature (K) | 293 |
a, b, c (Å) | 13.496 (1), 4.931 (1), 12.357 (1) |
β (°) | 113.352 (1) |
V (Å3) | 755.0 (2) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 1.67 |
Crystal size (mm) | 0.21 × 0.19 × 0.15 |
Data collection | |
Diffractometer | Rigaku R-AXIS RAPID diffractometer |
Absorption correction | Multi-scan (ABSCOR; Higashi, 1995) |
Tmin, Tmax | 0.707, 0.780 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4318, 1696, 1461 |
Rint | 0.027 |
(sin θ/λ)max (Å−1) | 0.649 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.032, 0.075, 1.06 |
No. of reflections | 1696 |
No. of parameters | 118 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.25, −0.30 |
Computer programs: PROCESS-AUTO (Rigaku, 1998), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL-Plus (Sheldrick, 2008).
Zn1—O1 | 1.9582 (18) | Zn1—O4 | 1.975 (2) |
O1—Zn1—O1i | 102.26 (11) | O1i—Zn1—O4 | 132.40 (8) |
O1—Zn1—O4 | 99.87 (9) | O4—Zn1—O4i | 95.27 (13) |
Symmetry code: (i) −x, y, −z+1/2. |
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H1···O1ii | 0.74 (3) | 2.13 (3) | 2.851 (3) | 167 (3) |
O4—H2···O2iii | 0.88 (4) | 1.78 (4) | 2.657 (3) | 177 (4) |
C8—H8A···Cg3iv | 0.97 | 2.97 | 3.741 (3) | 137 |
C8—H8B···Cg3v | 0.97 | 2.97 | 3.741 (3) | 137 |
Symmetry codes: (ii) x, y−1, z; (iii) x, −y, z−1/2; (iv) x, y+1, z; (v) −x+1, y+1, −z+3/2. |
Acknowledgements
The authors thank the the National Natural Science Foundation of China (No. 50878041) and the Analysis and Testing Foundation of Northeast Normal University for financial support.
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.
Recently, the area of metal-organic framework materials has become one of the intense research activity for their fascinating structural diversities and potential applications in catalysis, nonlinear optics and molecular sensing. As an important family of multidentate O-donor ligands, organic aromatic polycarboxylate ligands have been extensively employed in the preparation of metal-organic complexes because of their potential properties and intriguing structural topologies (Han et al., 2009; Li et al., 2007; Chen et al., 2002). Herein, we report the structure of the title complex with bis(4-benzoateoxyl)methane and zinc, [Zn(C15H10O6)(H2O)2] (I).
Single-crystal X-ray diffraction analyses revealed Zn(II) is tetra-coordinated and exhibits tetrahedral coordination environment supplied by two bis(4-benzoateoxyl)methane O atoms and two water molecules (Fig. 1). The Zn—O bond lengthes are in the normal range (Table 1). The bis(4-benzoateoxyl)methane ligand adopts bidentate coordinated modes and bond with two zinc ions to form a chain. Adjacent chains are linked by O—H···O hydrogen bonds and C—H···π interactions into a three-dimensional supramolecular network structure (Fig. 2, Table 2).