Acta Cryst. (2009). E65, m1409-m1410 [ doi:10.1107/S1600536809042044 ]
-chlorido-bis[(2'-carboxybiphenyl-2-carboxylato-
O)(2,2':6',2''-terpyridine-
3N,N',N'')cadmium(II)] hemihydrateIn the centrosymmetric dinuclear title compound, [Cd2(C14H9O4)2Cl2(C15H11N3)2]·0.5H2O, each of the CdII ions is coordinated by three N atoms from a chelating 2,2':6',2''-terpyridine ligand, two bridging Cl atoms and one O atom of a 2'-carboxy-[1,1'-biphenyl]-2-carboxylate anion. The coordination environment is distorted octahedral. In the crystal, intermolecular O-H
O hydrogen bonds link symmetry-related molecules, forming an infinite chain. The half-occupancy water molecule is disordered over two general sites with 0.25 occupancy and is, in turn, disordered over an inversion center.
The title complound was synthesized hydrothermally in a Teflon-lined autoclave (25 ml) by heating a mixture of [1,1'-biphenyl]-2,2'-dicarboxylic acid (0.2 mmol), 2,2':6',2''-terpyridine (0.4 mmol) and CdCl2.2.5H2O (0.2 mmol) in water (10 ml) at 393 K for 3 d. Crystals suitable for X-ray analysis were obtained.
All H atoms were included in calculated positions, with C—H bond lengths fixed at 0.92 Å (carboxyl –COOH), 0.93Å (aryl group) and O—H = 0.85 Å and were refined in the riding-model approximation. Uiso(H) values were calculated at 1.5 Ueq(C) for carboxyl groups and 1.2 Ueq(C) otherwise.
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg & Putz, 1999); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
| [Cd2(C14H9O4)2Cl2(C15H11N3)2]·0.5H2O | Z = 1 |
| Mr = 1253.67 | F(000) = 629 |
| Triclinic, P1 | Dx = 1.605 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
| a = 9.5673 (18) Å | Cell parameters from 4272 reflections |
| b = 11.575 (2) Å | θ = 3.0–27.8° |
| c = 12.565 (2) Å | µ = 0.99 mm−1 |
| α = 96.233 (4)° | T = 296 K |
| β = 96.927 (4)° | Block, colourless |
| γ = 108.132 (3)° | 0.28 × 0.26 × 0.24 mm |
| V = 1297.0 (4) Å3 |
| Bruker APEXII CCD area-detector diffractometer | 4529 independent reflections |
| Radiation source: sealed tube | 3969 reflections with I > 2σ(I) |
| graphite | Rint = 0.059 |
| ω scans | θmax = 25.0°, θmin = 1.7° |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −11→6 |
| Tmin = 0.770, Tmax = 0.798 | k = −11→13 |
| 7084 measured reflections | l = −13→14 |
| 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)] = 0.046 | Hydrogen site location: inferred from neighbouring sites |
| wR(F2) = 0.124 | H-atom parameters constrained |
| S = 1.01 | w = 1/[σ2(Fo2) + (0.0854P)2] where P = (Fo2 + 2Fc2)/3 |
| 4529 reflections | (Δ/σ)max = 0.001 |
| 353 parameters | Δρmax = 1.33 e Å−3 |
| 0 restraints | Δρmin = −0.98 e Å−3 |
| [Cd2(C14H9O4)2Cl2(C15H11N3)2]·0.5H2O | γ = 108.132 (3)° |
| Mr = 1253.67 | V = 1297.0 (4) Å3 |
| Triclinic, P1 | Z = 1 |
| a = 9.5673 (18) Å | Mo Kα radiation |
| b = 11.575 (2) Å | µ = 0.99 mm−1 |
| c = 12.565 (2) Å | T = 296 K |
| α = 96.233 (4)° | 0.28 × 0.26 × 0.24 mm |
| β = 96.927 (4)° |
| Bruker APEXII CCD area-detector diffractometer | 4529 independent reflections |
| Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 3969 reflections with I > 2σ(I) |
| Tmin = 0.770, Tmax = 0.798 | Rint = 0.059 |
| 7084 measured reflections | θmax = 25.0° |
| R[F2 > 2σ(F2)] = 0.046 | H-atom parameters constrained |
| wR(F2) = 0.124 | Δρmax = 1.33 e Å−3 |
| S = 1.01 | Δρmin = −0.98 e Å−3 |
| 4529 reflections | Absolute structure: ? |
| 353 parameters | Flack parameter: ? |
| 0 restraints | Rogers parameter: ? |
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) | |
| Cd1 | 0.89580 (3) | 0.91082 (2) | 0.60537 (2) | 0.03337 (14) | |
| Cl1 | 1.04993 (13) | 0.86663 (10) | 0.46861 (10) | 0.0456 (3) | |
| N1 | 1.0075 (4) | 1.0318 (3) | 0.7764 (3) | 0.0380 (8) | |
| N2 | 0.7167 (4) | 0.9594 (3) | 0.6971 (3) | 0.0315 (7) | |
| N3 | 0.6578 (4) | 0.8338 (3) | 0.4963 (3) | 0.0379 (8) | |
| O1 | 0.8489 (4) | 0.7257 (3) | 0.6690 (3) | 0.0480 (7) | |
| O2 | 1.0910 (4) | 0.7855 (3) | 0.7351 (2) | 0.0473 (7) | |
| O3 | 1.2591 (4) | 0.7729 (3) | 0.8974 (2) | 0.0490 (8) | |
| H3A | 1.2060 | 0.7691 | 0.8399 | 0.073* | |
| O4 | 1.4450 (4) | 0.7087 (4) | 0.9518 (3) | 0.0715 (11) | |
| C1 | 0.9344 (5) | 0.5939 (3) | 0.7723 (3) | 0.0359 (9) | |
| C2 | 0.8088 (5) | 0.5557 (4) | 0.8212 (3) | 0.0446 (10) | |
| H2 | 0.7380 | 0.5954 | 0.8137 | 0.054* | |
| C3 | 0.7870 (6) | 0.4608 (4) | 0.8802 (4) | 0.0500 (12) | |
| H3 | 0.7036 | 0.4381 | 0.9142 | 0.060* | |
| C4 | 0.8886 (6) | 0.3989 (4) | 0.8894 (4) | 0.0532 (13) | |
| H4 | 0.8749 | 0.3352 | 0.9304 | 0.064* | |
| C5 | 1.0103 (6) | 0.4316 (4) | 0.8374 (4) | 0.0480 (11) | |
| H5 | 1.0761 | 0.3870 | 0.8414 | 0.058* | |
| C6 | 1.0381 (5) | 0.5304 (3) | 0.7786 (3) | 0.0362 (9) | |
| C7 | 1.1713 (5) | 0.5553 (3) | 0.7216 (3) | 0.0369 (9) | |
| C8 | 1.3159 (5) | 0.6283 (4) | 0.7719 (3) | 0.0387 (9) | |
| C9 | 1.4367 (5) | 0.6326 (4) | 0.7207 (4) | 0.0503 (11) | |
| H9 | 1.5322 | 0.6786 | 0.7562 | 0.060* | |
| C10 | 1.4179 (7) | 0.5693 (5) | 0.6174 (5) | 0.0644 (15) | |
| H10 | 1.4998 | 0.5742 | 0.5828 | 0.077* | |
| C11 | 1.2763 (7) | 0.4989 (5) | 0.5660 (4) | 0.0659 (15) | |
| H11 | 1.2627 | 0.4568 | 0.4961 | 0.079* | |
| C12 | 1.1544 (6) | 0.4905 (4) | 0.6176 (4) | 0.0484 (11) | |
| H12 | 1.0599 | 0.4410 | 0.5827 | 0.058* | |
| C13 | 0.9598 (5) | 0.7096 (4) | 0.7199 (3) | 0.0379 (9) | |
| C14 | 1.3450 (5) | 0.7058 (4) | 0.8823 (4) | 0.0458 (11) | |
| C15 | 1.1542 (6) | 1.0720 (4) | 0.8099 (4) | 0.0524 (12) | |
| H15 | 1.2147 | 1.0521 | 0.7634 | 0.063* | |
| C16 | 1.2213 (6) | 1.1415 (5) | 0.9098 (5) | 0.0651 (15) | |
| H16 | 1.3244 | 1.1690 | 0.9299 | 0.078* | |
| C17 | 1.1310 (7) | 1.1688 (5) | 0.9785 (5) | 0.0679 (16) | |
| H17 | 1.1723 | 1.2139 | 1.0472 | 0.081* | |
| C18 | 0.9788 (6) | 1.1290 (4) | 0.9454 (4) | 0.0549 (12) | |
| H18 | 0.9168 | 1.1472 | 0.9914 | 0.066* | |
| C19 | 0.9188 (5) | 1.0611 (3) | 0.8423 (3) | 0.0379 (9) | |
| C20 | 0.7568 (5) | 1.0186 (3) | 0.7991 (3) | 0.0360 (9) | |
| C21 | 0.6505 (6) | 1.0399 (4) | 0.8586 (4) | 0.0490 (11) | |
| H21 | 0.6786 | 1.0824 | 0.9291 | 0.059* | |
| C22 | 0.5042 (6) | 0.9969 (4) | 0.8106 (4) | 0.0582 (13) | |
| H22 | 0.4320 | 1.0088 | 0.8499 | 0.070* | |
| C23 | 0.4613 (5) | 0.9365 (4) | 0.7058 (4) | 0.0504 (12) | |
| H23 | 0.3617 | 0.9082 | 0.6732 | 0.060* | |
| C24 | 0.5730 (4) | 0.9188 (3) | 0.6493 (4) | 0.0367 (9) | |
| C25 | 0.5410 (4) | 0.8528 (3) | 0.5354 (3) | 0.0370 (9) | |
| C26 | 0.3985 (5) | 0.8115 (4) | 0.4741 (4) | 0.0545 (12) | |
| H26 | 0.3191 | 0.8262 | 0.5024 | 0.065* | |
| C27 | 0.3772 (6) | 0.7487 (5) | 0.3713 (5) | 0.0657 (15) | |
| H27 | 0.2828 | 0.7202 | 0.3293 | 0.079* | |
| C28 | 0.4959 (6) | 0.7279 (5) | 0.3300 (4) | 0.0609 (14) | |
| H28 | 0.4833 | 0.6860 | 0.2602 | 0.073* | |
| C29 | 0.6342 (6) | 0.7711 (4) | 0.3953 (4) | 0.0498 (11) | |
| H29 | 0.7144 | 0.7563 | 0.3684 | 0.060* | |
| O1W | 0.4261 (19) | 0.4352 (14) | 0.9220 (13) | 0.082 (5) | 0.25 |
| H1WA | 0.4041 | 0.4079 | 0.9801 | 0.099* | 0.25 |
| H1WB | 0.3928 | 0.4943 | 0.9141 | 0.099* | 0.25 |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| Cd1 | 0.0282 (2) | 0.0394 (2) | 0.0330 (2) | 0.01333 (13) | 0.00468 (13) | 0.00142 (13) |
| Cl1 | 0.0510 (7) | 0.0417 (5) | 0.0576 (7) | 0.0264 (5) | 0.0265 (5) | 0.0117 (5) |
| N1 | 0.037 (2) | 0.0405 (18) | 0.0375 (18) | 0.0179 (15) | 0.0011 (15) | −0.0009 (14) |
| N2 | 0.0292 (18) | 0.0307 (16) | 0.0391 (18) | 0.0148 (13) | 0.0105 (14) | 0.0045 (13) |
| N3 | 0.0338 (19) | 0.0389 (18) | 0.0416 (19) | 0.0134 (15) | 0.0049 (15) | 0.0054 (15) |
| O1 | 0.0488 (19) | 0.0480 (17) | 0.0532 (19) | 0.0249 (15) | 0.0036 (15) | 0.0120 (14) |
| O2 | 0.049 (2) | 0.0382 (15) | 0.0574 (19) | 0.0157 (14) | 0.0107 (15) | 0.0130 (14) |
| O3 | 0.052 (2) | 0.0532 (18) | 0.0356 (16) | 0.0137 (16) | 0.0057 (14) | −0.0074 (14) |
| O4 | 0.056 (2) | 0.085 (3) | 0.058 (2) | 0.010 (2) | −0.0181 (18) | 0.0130 (19) |
| C1 | 0.039 (2) | 0.0345 (19) | 0.031 (2) | 0.0106 (17) | −0.0013 (17) | 0.0006 (16) |
| C2 | 0.040 (3) | 0.049 (2) | 0.042 (2) | 0.014 (2) | 0.0034 (19) | 0.0007 (19) |
| C3 | 0.045 (3) | 0.051 (3) | 0.042 (3) | −0.001 (2) | 0.007 (2) | 0.006 (2) |
| C4 | 0.062 (3) | 0.043 (2) | 0.048 (3) | 0.006 (2) | 0.005 (2) | 0.016 (2) |
| C5 | 0.058 (3) | 0.038 (2) | 0.047 (3) | 0.014 (2) | 0.003 (2) | 0.0102 (19) |
| C6 | 0.039 (2) | 0.0317 (19) | 0.033 (2) | 0.0102 (17) | −0.0032 (17) | 0.0005 (16) |
| C7 | 0.046 (3) | 0.0321 (19) | 0.036 (2) | 0.0194 (18) | 0.0039 (18) | 0.0052 (16) |
| C8 | 0.041 (2) | 0.036 (2) | 0.043 (2) | 0.0174 (18) | 0.0052 (19) | 0.0100 (17) |
| C9 | 0.041 (3) | 0.047 (2) | 0.070 (3) | 0.022 (2) | 0.012 (2) | 0.015 (2) |
| C10 | 0.074 (4) | 0.057 (3) | 0.079 (4) | 0.034 (3) | 0.037 (3) | 0.012 (3) |
| C11 | 0.091 (5) | 0.058 (3) | 0.058 (3) | 0.036 (3) | 0.029 (3) | −0.007 (2) |
| C12 | 0.057 (3) | 0.043 (2) | 0.044 (2) | 0.021 (2) | 0.002 (2) | −0.0056 (19) |
| C13 | 0.046 (3) | 0.040 (2) | 0.032 (2) | 0.020 (2) | 0.0075 (18) | 0.0031 (17) |
| C14 | 0.043 (3) | 0.048 (2) | 0.037 (2) | 0.003 (2) | 0.001 (2) | 0.0098 (19) |
| C15 | 0.044 (3) | 0.055 (3) | 0.055 (3) | 0.021 (2) | −0.005 (2) | −0.007 (2) |
| C16 | 0.047 (3) | 0.057 (3) | 0.078 (4) | 0.019 (2) | −0.024 (3) | −0.020 (3) |
| C17 | 0.075 (4) | 0.059 (3) | 0.061 (3) | 0.035 (3) | −0.026 (3) | −0.023 (3) |
| C18 | 0.068 (3) | 0.055 (3) | 0.044 (3) | 0.033 (3) | −0.002 (2) | −0.008 (2) |
| C19 | 0.049 (3) | 0.0319 (19) | 0.036 (2) | 0.0203 (18) | 0.0048 (19) | 0.0027 (16) |
| C20 | 0.043 (2) | 0.0335 (19) | 0.036 (2) | 0.0175 (17) | 0.0098 (18) | 0.0083 (16) |
| C21 | 0.057 (3) | 0.052 (3) | 0.047 (3) | 0.027 (2) | 0.022 (2) | 0.005 (2) |
| C22 | 0.058 (3) | 0.058 (3) | 0.070 (3) | 0.027 (2) | 0.035 (3) | 0.009 (3) |
| C23 | 0.030 (2) | 0.056 (3) | 0.070 (3) | 0.019 (2) | 0.018 (2) | 0.007 (2) |
| C24 | 0.032 (2) | 0.0327 (19) | 0.050 (2) | 0.0146 (16) | 0.0097 (18) | 0.0098 (17) |
| C25 | 0.031 (2) | 0.0304 (19) | 0.050 (2) | 0.0097 (16) | 0.0021 (18) | 0.0116 (17) |
| C26 | 0.034 (3) | 0.058 (3) | 0.072 (3) | 0.020 (2) | −0.003 (2) | 0.007 (2) |
| C27 | 0.042 (3) | 0.071 (3) | 0.067 (4) | 0.009 (2) | −0.018 (3) | −0.001 (3) |
| C28 | 0.056 (3) | 0.058 (3) | 0.053 (3) | 0.011 (2) | −0.012 (2) | −0.010 (2) |
| C29 | 0.048 (3) | 0.051 (3) | 0.048 (3) | 0.019 (2) | −0.002 (2) | −0.004 (2) |
| O1W | 0.094 (13) | 0.085 (11) | 0.094 (12) | 0.060 (10) | 0.012 (10) | 0.039 (10) |
| Cd1—O1 | 2.301 (3) | C9—C10 | 1.381 (7) |
| Cd1—N2 | 2.349 (3) | C9—H9 | 0.9300 |
| Cd1—N3 | 2.362 (3) | C10—C11 | 1.380 (8) |
| Cd1—N1 | 2.363 (3) | C10—H10 | 0.9300 |
| Cd1—Cl1 | 2.5058 (11) | C11—C12 | 1.384 (7) |
| Cd1—Cl1i | 2.7520 (12) | C11—H11 | 0.9300 |
| Cl1—Cd1i | 2.7520 (11) | C12—H12 | 0.9300 |
| N1—C15 | 1.331 (6) | C15—C16 | 1.378 (7) |
| N1—C19 | 1.345 (5) | C15—H15 | 0.9300 |
| N2—C20 | 1.336 (5) | C16—C17 | 1.372 (8) |
| N2—C24 | 1.345 (5) | C16—H16 | 0.9300 |
| N3—C25 | 1.342 (5) | C17—C18 | 1.379 (8) |
| N3—C29 | 1.347 (6) | C17—H17 | 0.9300 |
| O1—C13 | 1.247 (5) | C18—C19 | 1.394 (6) |
| O2—C13 | 1.266 (5) | C18—H18 | 0.9300 |
| O3—C14 | 1.312 (6) | C19—C20 | 1.484 (6) |
| O3—H3A | 0.8200 | C20—C21 | 1.398 (6) |
| O4—C14 | 1.204 (6) | C21—C22 | 1.367 (7) |
| C1—C2 | 1.387 (6) | C21—H21 | 0.9300 |
| C1—C6 | 1.405 (6) | C22—C23 | 1.372 (7) |
| C1—C13 | 1.521 (6) | C22—H22 | 0.9300 |
| C2—C3 | 1.369 (6) | C23—C24 | 1.405 (6) |
| C2—H2 | 0.9300 | C23—H23 | 0.9300 |
| C3—C4 | 1.377 (7) | C24—C25 | 1.496 (6) |
| C3—H3 | 0.9300 | C25—C26 | 1.394 (6) |
| C4—C5 | 1.374 (7) | C26—C27 | 1.371 (7) |
| C4—H4 | 0.9300 | C26—H26 | 0.9300 |
| C5—C6 | 1.403 (6) | C27—C28 | 1.379 (8) |
| C5—H5 | 0.9300 | C27—H27 | 0.9300 |
| C6—C7 | 1.502 (6) | C28—C29 | 1.383 (7) |
| C7—C12 | 1.399 (6) | C28—H28 | 0.9300 |
| C7—C8 | 1.405 (6) | C29—H29 | 0.9300 |
| C8—C9 | 1.380 (6) | O1W—H1WA | 0.8500 |
| C8—C14 | 1.512 (6) | O1W—H1WB | 0.8500 |
| O1—Cd1—N2 | 91.38 (11) | C10—C11—H11 | 119.8 |
| O1—Cd1—N3 | 88.97 (11) | C12—C11—H11 | 119.8 |
| N2—Cd1—N3 | 69.18 (12) | C11—C12—C7 | 120.9 (5) |
| O1—Cd1—N1 | 94.88 (12) | C11—C12—H12 | 119.5 |
| N2—Cd1—N1 | 69.08 (12) | C7—C12—H12 | 119.5 |
| N3—Cd1—N1 | 138.15 (12) | O1—C13—O2 | 124.4 (4) |
| O1—Cd1—Cl1 | 96.17 (8) | O1—C13—C1 | 117.7 (4) |
| N2—Cd1—Cl1 | 166.28 (9) | O2—C13—C1 | 117.7 (4) |
| N3—Cd1—Cl1 | 99.44 (9) | O4—C14—O3 | 121.6 (5) |
| N1—Cd1—Cl1 | 121.40 (9) | O4—C14—C8 | 121.8 (5) |
| O1—Cd1—Cl1i | 179.22 (8) | O3—C14—C8 | 116.6 (4) |
| N2—Cd1—Cl1i | 87.87 (8) | N1—C15—C16 | 123.5 (5) |
| N3—Cd1—Cl1i | 90.99 (8) | N1—C15—H15 | 118.2 |
| N1—Cd1—Cl1i | 84.62 (9) | C16—C15—H15 | 118.2 |
| Cl1—Cd1—Cl1i | 84.61 (3) | C17—C16—C15 | 117.8 (5) |
| Cd1—Cl1—Cd1i | 95.39 (3) | C17—C16—H16 | 121.1 |
| C15—N1—C19 | 118.9 (4) | C15—C16—H16 | 121.1 |
| C15—N1—Cd1 | 122.7 (3) | C16—C17—C18 | 119.7 (5) |
| C19—N1—Cd1 | 118.4 (3) | C16—C17—H17 | 120.1 |
| C20—N2—C24 | 120.8 (3) | C18—C17—H17 | 120.1 |
| C20—N2—Cd1 | 119.6 (3) | C17—C18—C19 | 119.3 (5) |
| C24—N2—Cd1 | 119.4 (3) | C17—C18—H18 | 120.3 |
| C25—N3—C29 | 118.3 (4) | C19—C18—H18 | 120.3 |
| C25—N3—Cd1 | 119.3 (3) | N1—C19—C18 | 120.7 (4) |
| C29—N3—Cd1 | 122.4 (3) | N1—C19—C20 | 116.6 (3) |
| C13—O1—Cd1 | 115.1 (3) | C18—C19—C20 | 122.7 (4) |
| C14—O3—H3A | 109.5 | N2—C20—C21 | 120.8 (4) |
| C2—C1—C6 | 119.7 (4) | N2—C20—C19 | 115.9 (3) |
| C2—C1—C13 | 117.9 (4) | C21—C20—C19 | 123.3 (4) |
| C6—C1—C13 | 122.2 (4) | C22—C21—C20 | 118.4 (4) |
| C3—C2—C1 | 121.2 (4) | C22—C21—H21 | 120.8 |
| C3—C2—H2 | 119.4 | C20—C21—H21 | 120.8 |
| C1—C2—H2 | 119.4 | C21—C22—C23 | 121.5 (4) |
| C2—C3—C4 | 120.1 (5) | C21—C22—H22 | 119.3 |
| C2—C3—H3 | 120.0 | C23—C22—H22 | 119.3 |
| C4—C3—H3 | 120.0 | C22—C23—C24 | 117.7 (4) |
| C5—C4—C3 | 119.6 (4) | C22—C23—H23 | 121.2 |
| C5—C4—H4 | 120.2 | C24—C23—H23 | 121.2 |
| C3—C4—H4 | 120.2 | N2—C24—C23 | 120.8 (4) |
| C4—C5—C6 | 121.8 (4) | N2—C24—C25 | 116.1 (3) |
| C4—C5—H5 | 119.1 | C23—C24—C25 | 123.1 (4) |
| C6—C5—H5 | 119.1 | N3—C25—C26 | 121.9 (4) |
| C5—C6—C1 | 117.5 (4) | N3—C25—C24 | 115.8 (4) |
| C5—C6—C7 | 117.3 (4) | C26—C25—C24 | 122.3 (4) |
| C1—C6—C7 | 125.1 (4) | C27—C26—C25 | 118.9 (5) |
| C12—C7—C8 | 117.8 (4) | C27—C26—H26 | 120.6 |
| C12—C7—C6 | 118.3 (4) | C25—C26—H26 | 120.6 |
| C8—C7—C6 | 123.5 (4) | C26—C27—C28 | 120.0 (5) |
| C9—C8—C7 | 120.5 (4) | C26—C27—H27 | 120.0 |
| C9—C8—C14 | 117.7 (4) | C28—C27—H27 | 120.0 |
| C7—C8—C14 | 121.8 (4) | C27—C28—C29 | 118.1 (5) |
| C8—C9—C10 | 120.9 (5) | C27—C28—H28 | 120.9 |
| C8—C9—H9 | 119.5 | C29—C28—H28 | 120.9 |
| C10—C9—H9 | 119.5 | N3—C29—C28 | 122.9 (5) |
| C11—C10—C9 | 119.3 (5) | N3—C29—H29 | 118.6 |
| C11—C10—H10 | 120.4 | C28—C29—H29 | 118.6 |
| C9—C10—H10 | 120.4 | H1WA—O1W—H1WB | 109.5 |
| C10—C11—C12 | 120.5 (5) | ||
| O1—Cd1—Cl1—Cd1i | −179.90 (8) | C8—C9—C10—C11 | −1.5 (8) |
| N2—Cd1—Cl1—Cd1i | 57.1 (3) | C9—C10—C11—C12 | −0.7 (8) |
| N3—Cd1—Cl1—Cd1i | 90.11 (9) | C10—C11—C12—C7 | 1.6 (8) |
| N1—Cd1—Cl1—Cd1i | −80.34 (10) | C8—C7—C12—C11 | −0.4 (7) |
| Cl1i—Cd1—Cl1—Cd1i | 0.0 | C6—C7—C12—C11 | −172.7 (4) |
| O1—Cd1—N1—C15 | 94.5 (4) | Cd1—O1—C13—O2 | −1.7 (5) |
| N2—Cd1—N1—C15 | −175.9 (4) | Cd1—O1—C13—C1 | 175.0 (3) |
| N3—Cd1—N1—C15 | −171.6 (3) | C2—C1—C13—O1 | −39.5 (5) |
| Cl1—Cd1—N1—C15 | −5.8 (4) | C6—C1—C13—O1 | 144.7 (4) |
| Cl1i—Cd1—N1—C15 | −86.1 (3) | C2—C1—C13—O2 | 137.4 (4) |
| O1—Cd1—N1—C19 | −85.5 (3) | C6—C1—C13—O2 | −38.4 (5) |
| N2—Cd1—N1—C19 | 4.1 (3) | C9—C8—C14—O4 | −45.6 (6) |
| N3—Cd1—N1—C19 | 8.5 (4) | C7—C8—C14—O4 | 135.2 (5) |
| Cl1—Cd1—N1—C19 | 174.3 (2) | C9—C8—C14—O3 | 132.2 (4) |
| Cl1i—Cd1—N1—C19 | 93.9 (3) | C7—C8—C14—O3 | −47.1 (6) |
| O1—Cd1—N2—C20 | 89.0 (3) | C19—N1—C15—C16 | 0.7 (7) |
| N3—Cd1—N2—C20 | 177.4 (3) | Cd1—N1—C15—C16 | −179.2 (4) |
| N1—Cd1—N2—C20 | −5.7 (3) | N1—C15—C16—C17 | 1.0 (8) |
| Cl1—Cd1—N2—C20 | −147.5 (3) | C15—C16—C17—C18 | −1.4 (8) |
| Cl1i—Cd1—N2—C20 | −90.7 (3) | C16—C17—C18—C19 | 0.2 (8) |
| O1—Cd1—N2—C24 | −85.8 (3) | C15—N1—C19—C18 | −2.1 (6) |
| N3—Cd1—N2—C24 | 2.6 (3) | Cd1—N1—C19—C18 | 177.9 (3) |
| N1—Cd1—N2—C24 | 179.5 (3) | C15—N1—C19—C20 | 177.5 (4) |
| Cl1—Cd1—N2—C24 | 37.7 (5) | Cd1—N1—C19—C20 | −2.6 (4) |
| Cl1i—Cd1—N2—C24 | 94.5 (3) | C17—C18—C19—N1 | 1.6 (7) |
| O1—Cd1—N3—C25 | 91.9 (3) | C17—C18—C19—C20 | −177.9 (4) |
| N2—Cd1—N3—C25 | 0.1 (3) | C24—N2—C20—C21 | −0.1 (6) |
| N1—Cd1—N3—C25 | −4.2 (4) | Cd1—N2—C20—C21 | −174.8 (3) |
| Cl1—Cd1—N3—C25 | −172.0 (3) | C24—N2—C20—C19 | −178.8 (3) |
| Cl1i—Cd1—N3—C25 | −87.3 (3) | Cd1—N2—C20—C19 | 6.4 (4) |
| O1—Cd1—N3—C29 | −88.3 (3) | N1—C19—C20—N2 | −2.5 (5) |
| N2—Cd1—N3—C29 | 179.9 (4) | C18—C19—C20—N2 | 177.0 (4) |
| N1—Cd1—N3—C29 | 175.6 (3) | N1—C19—C20—C21 | 178.8 (4) |
| Cl1—Cd1—N3—C29 | 7.8 (3) | C18—C19—C20—C21 | −1.7 (6) |
| Cl1i—Cd1—N3—C29 | 92.5 (3) | N2—C20—C21—C22 | 1.2 (6) |
| N2—Cd1—O1—C13 | −123.7 (3) | C19—C20—C21—C22 | 179.8 (4) |
| N3—Cd1—O1—C13 | 167.1 (3) | C20—C21—C22—C23 | −1.5 (7) |
| N1—Cd1—O1—C13 | −54.6 (3) | C21—C22—C23—C24 | 0.8 (7) |
| Cl1—Cd1—O1—C13 | 67.8 (3) | C20—N2—C24—C23 | −0.7 (6) |
| C6—C1—C2—C3 | 3.2 (6) | Cd1—N2—C24—C23 | 174.1 (3) |
| C13—C1—C2—C3 | −172.7 (4) | C20—N2—C24—C25 | −179.4 (3) |
| C1—C2—C3—C4 | −1.9 (7) | Cd1—N2—C24—C25 | −4.7 (4) |
| C2—C3—C4—C5 | −1.1 (7) | C22—C23—C24—N2 | 0.4 (6) |
| C3—C4—C5—C6 | 2.8 (7) | C22—C23—C24—C25 | 179.0 (4) |
| C4—C5—C6—C1 | −1.4 (6) | C29—N3—C25—C26 | −1.0 (6) |
| C4—C5—C6—C7 | −177.8 (4) | Cd1—N3—C25—C26 | 178.8 (3) |
| C2—C1—C6—C5 | −1.6 (6) | C29—N3—C25—C24 | 177.8 (4) |
| C13—C1—C6—C5 | 174.2 (4) | Cd1—N3—C25—C24 | −2.3 (4) |
| C2—C1—C6—C7 | 174.5 (4) | N2—C24—C25—N3 | 4.6 (5) |
| C13—C1—C6—C7 | −9.7 (6) | C23—C24—C25—N3 | −174.2 (4) |
| C5—C6—C7—C12 | 85.8 (5) | N2—C24—C25—C26 | −176.6 (4) |
| C1—C6—C7—C12 | −90.3 (5) | C23—C24—C25—C26 | 4.7 (6) |
| C5—C6—C7—C8 | −86.0 (5) | N3—C25—C26—C27 | 0.5 (7) |
| C1—C6—C7—C8 | 97.9 (5) | C24—C25—C26—C27 | −178.2 (4) |
| C12—C7—C8—C9 | −1.7 (6) | C25—C26—C27—C28 | −0.2 (8) |
| C6—C7—C8—C9 | 170.2 (4) | C26—C27—C28—C29 | 0.5 (8) |
| C12—C7—C8—C14 | 177.5 (4) | C25—N3—C29—C28 | 1.2 (7) |
| C6—C7—C8—C14 | −10.6 (6) | Cd1—N3—C29—C28 | −178.6 (4) |
| C7—C8—C9—C10 | 2.7 (7) | C27—C28—C29—N3 | −1.0 (8) |
| C14—C8—C9—C10 | −176.6 (4) |
| Symmetry codes: (i) −x+2, −y+2, −z+1. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| O3—H3A···O2 | 0.82 | 1.68 | 2.487 (4) | 169 |
| O1W—H1WA···O4ii | 0.85 | 2.41 | 2.862 (14) | 114 |
| O1W—H1WB···O4iii | 0.85 | 2.36 | 3.093 (16) | 145 |
| C16—H16···O4iv | 0.93 | 2.43 | 3.284 (6) | 153 |
| C21—H21···O3v | 0.93 | 2.49 | 3.405 (6) | 169 |
| C26—H26···Cl1iii | 0.93 | 2.75 | 3.579 (5) | 149 |
| Symmetry codes: (ii) −x+2, −y+1, −z+2; (iii) x−1, y, z; (iv) −x+3, −y+2, −z+2; (v) −x+2, −y+2, −z+2. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| O3—H3A···O2 | 0.82 | 1.68 | 2.487 (4) | 169 |
| O1W—H1WA···O4i | 0.85 | 2.41 | 2.862 (14) | 114 |
| O1W—H1WB···O4ii | 0.85 | 2.36 | 3.093 (16) | 145 |
| Symmetry codes: (i) −x+2, −y+1, −z+2; (ii) x−1, y, z. |
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Various coordination modes and potential applications in catalysis, fluorescent materials, NLO materials and so on (Meng et al. 2004) have been described. Here we report the crystal structure of the title complex prepared from CdCl2 and 2'-carboxy-[1,1'-biphenyl]-2-carboxylate ligand (see experimental).
In the centrosymmetric dinuclear title compound, showing in Fig. 1, each of the CdII ions is coordinated by three N atoms from a chelating 2,2':6',2''-terpyridine ligand, two bridging Cl atoms and one O atom of a 2'-carboxy-[1,1'-biphenyl]-2-carboxylate anion. The coordination environment is distorted octahedral. In the dimeric structure, two CdII ions are bridged through the Cl atoms, resulting in a planar Cd2Cl2 core. One of the bridging Cd—Cl bonds is significantly longer than the other. The half-occupancy water molecule is disordered over two general sites with occupancies of 0.25 and 0.25, and is, in turn, disordered over an inversion center.
In the crystal packing, the complex molecules are linked into a one-dimensional infinite chain links supramolecular structure (Fig. 2) by intra- and intermolecular O—H···O, C—H···O and C—H···Cl hydrogen bonding interactions involving the solvent water molecules, the carboxyl group. groups and the chloride (Table 1).