
Acta Cryst. (2008). E64, m529-m530 [ doi:10.1107/S1600536808005758 ]
3-picolinato-
2-picolinato-dipicolinatopotassium(I)terbium(III)] 2.5-hydrate]In the title compound, [KTb(C6H4NO2)4(H2O)]·2.5H2O, each Tb3+ centre is coordinated by four N and five O atoms from five distinct picolinate ligands in a geometry resembling a highly distorted tricapped trigonal prism. One of the ligands establishes a skew bridge between neighbouring Tb3+ centres, leading to the formation of one-dimensional anionic polymeric chains, {[(C6H4NO2)4Tb]-}n, running along the direction [010]. Each K+ cation is seven-coordinated by six O atoms from one anionic polymeric chain and one water molecule [K
O 2.676 (3)-3.208 (4) Å]. The uncoordinated water molecules are involved in O-H
O hydrogen bonding.
Starting materials were purchased from commercial sources and were used as received without further purification. The title compound has been prepared by adding an aqueous solution (5 ml) of TbCl3.6H2O (1 mmol, 373 mg) to a solution of picolinic acid (Hpic, 4 mmol, 492 mg) and KOH (4 mmol, 220 mg) in distilled water (20 ml, pH = 6.8). After stirring the mixture for 1 h, an aqueous solution (5 ml) of tetrabutylammonium chloride hydrate (nBu4NCl.nH2O, 4 mmol, 1.12 g) was added drop wise. The resulting mixture was heated and the formed white precipitate was collected by vacuum filtering. Colourless crystals suitable for single-crystal X-ray analysis were obtained from the mother solution after three days.
Hydrogen atoms attached to carbon were located at their idealized positions and were included in the refinement in riding-motion approximation with isotropic displacement parameters fixed at 1.2 times Ueq of the carbon atom to which they are attached. The five crystallographically unique water molecules of crystallization were directly located from difference Fourier maps and refined successfully using anisotropic displacement parameters. All H atoms associated with the water molecules were geometrically positioned (and not refined) with O—H distances in the range 0.85–0.89 Å and Uiso fixed at 1.5 times Ueq of the oxygen atom to which they are attached.
Data collection: COLLECT (Nonius, 1998); cell refinement: HKL SCALEPACK (Otwinowski & Minor, 1997); data reduction: HKL DENZO and SCALEPACK (Otwinowski & Minor, 1997); program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: DIAMOND (Brandenburg, 2006); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).
| [KTb(C6H4NO2)4(H2O)]·2.5H2O | Z = 12 |
| Mr = 1498.97 | F000 = 4452 |
| Hexagonal, P6522 | Dx = 1.713 Mg m−3 |
| Hall symbol: P 65 2 (0 0 1) | Mo Kα radiation λ = 0.71073 Å |
| a = 12.7187 (2) Å | Cell parameters from 28400 reflections |
| b = 12.7187 (2) Å | θ = 1.0–25.0º |
| c = 62.2321 (9) Å | µ = 2.64 mm−1 |
| α = 90º | T = 180 (2) K |
| β = 90º | Block, colourless |
| γ = 120º | 0.39 × 0.28 × 0.23 mm |
| V = 8718.3 (2) Å3 |
| Nonius KappaCCD diffractometer | 4488 reflections with I > 2σ(I) |
| Radiation source: fine-focus sealed tube | Rint = 0.062 |
| T = 180(2) K | θmax = 25.0º |
| Thin slice ω and φ scans | θmin = 3.6º |
| Absorption correction: multi-scan (SORTAV; Blessing, 1995) | h = −14→15 |
| Tmin = 0.426, Tmax = 0.582 | k = −15→14 |
| 31023 measured reflections | l = −67→73 |
| 5031 independent reflections |
| Refinement on F2 | Hydrogen site location: inferred from neighbouring sites |
| Least-squares matrix: full | H-atom parameters constrained |
| R[F2 > 2σ(F2)] = 0.032 | w = 1/[σ2(Fo2) + (0.059P)2 + 2.1846P] where P = (Fo2 + 2Fc2)/3 |
| wR(F2) = 0.094 | (Δ/σ)max = 0.004 |
| S = 1.14 | Δρmax = 1.00 e Å−3 |
| 5031 reflections | Δρmin = −0.70 e Å−3 |
| 377 parameters | Extinction correction: none |
| 14 restraints | Absolute structure: Flack (1983) |
| Primary atom site location: structure-invariant direct methods | Flack parameter: −0.020 (15) |
| Secondary atom site location: difference Fourier map |
| [KTb(C6H4NO2)4(H2O)]·2.5H2O | γ = 120º |
| Mr = 1498.97 | V = 8718.3 (2) Å3 |
| Hexagonal, P6522 | Z = 12 |
| a = 12.7187 (2) Å | Mo Kα |
| b = 12.7187 (2) Å | µ = 2.64 mm−1 |
| c = 62.2321 (9) Å | T = 180 (2) K |
| α = 90º | 0.39 × 0.28 × 0.23 mm |
| β = 90º |
| Nonius KappaCCD diffractometer | 5031 independent reflections |
| Absorption correction: multi-scan (SORTAV; Blessing, 1995) | 4488 reflections with I > 2σ(I) |
| Tmin = 0.426, Tmax = 0.582 | Rint = 0.062 |
| 31023 measured reflections |
| R[F2 > 2σ(F2)] = 0.032 | H-atom parameters constrained |
| wR(F2) = 0.094 | Δρmax = 1.00 e Å−3 |
| S = 1.14 | Δρmin = −0.70 e Å−3 |
| 5031 reflections | Absolute structure: Flack (1983) |
| 377 parameters | Flack parameter: −0.020 (15) |
| 14 restraints |
Experimental. Please see the details in the main paper |
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 | ||
| Tb1 | 0.078634 (13) | 0.533458 (14) | 0.005432 (2) | 0.03612 (4) | |
| K1 | −0.23692 (8) | 0.38564 (10) | 0.040543 (15) | 0.0593 (3) | |
| O1 | −0.0725 (2) | 0.3470 (2) | 0.02072 (4) | 0.0505 (7) | |
| O2 | −0.2334 (3) | 0.1630 (3) | 0.01703 (6) | 0.0757 (11) | |
| O3 | 0.00810 (19) | 0.6012 (2) | 0.03429 (4) | 0.0404 (6) | |
| O4 | 0.0360 (2) | 0.7288 (3) | 0.06104 (4) | 0.0560 (8) | |
| O5 | 0.1777 (2) | 0.6215 (2) | −0.02676 (4) | 0.0507 (7) | |
| O6 | 0.2602 (3) | 0.7599 (3) | −0.05195 (5) | 0.0925 (10) | |
| O7 | 0.4239 (2) | 0.5234 (2) | 0.01432 (4) | 0.0454 (7) | |
| O8 | 0.2598 (2) | 0.5230 (2) | 0.00168 (4) | 0.0413 (6) | |
| N1 | 0.0152 (3) | 0.3362 (3) | −0.01757 (5) | 0.0512 (9) | |
| N2 | 0.2430 (2) | 0.7330 (3) | 0.02245 (5) | 0.0428 (8) | |
| N3 | 0.0606 (3) | 0.7255 (3) | −0.00984 (5) | 0.0445 (8) | |
| N4 | 0.1596 (2) | 0.4834 (3) | 0.04055 (5) | 0.0423 (8) | |
| C1 | −0.1366 (4) | 0.2477 (4) | 0.01065 (7) | 0.0565 (12) | |
| C2 | −0.0837 (3) | 0.2389 (3) | −0.01096 (7) | 0.0514 (10) | |
| C3 | −0.1393 (4) | 0.1320 (4) | −0.02296 (9) | 0.0729 (14) | |
| H3 | −0.2113 | 0.0629 | −0.0180 | 0.087* | |
| C4 | −0.0875 (4) | 0.1287 (5) | −0.04229 (8) | 0.0797 (15) | |
| H4 | −0.1221 | 0.0570 | −0.0507 | 0.096* | |
| C5 | 0.0153 (4) | 0.2318 (5) | −0.04897 (8) | 0.0765 (15) | |
| H5 | 0.0527 | 0.2326 | −0.0622 | 0.092* | |
| C6 | 0.0631 (4) | 0.3330 (4) | −0.03634 (7) | 0.0663 (13) | |
| H6 | 0.1336 | 0.4042 | −0.0412 | 0.080* | |
| C7 | 0.0742 (3) | 0.6955 (4) | 0.04553 (6) | 0.0476 (10) | |
| C8 | 0.2077 (3) | 0.7708 (4) | 0.03953 (6) | 0.0472 (10) | |
| C9 | 0.2864 (4) | 0.8706 (4) | 0.05138 (7) | 0.0605 (13) | |
| H9 | 0.2593 | 0.8927 | 0.0639 | 0.073* | |
| C10 | 0.4059 (4) | 0.9384 (4) | 0.04475 (8) | 0.0684 (15) | |
| H10 | 0.4620 | 1.0087 | 0.0525 | 0.082* | |
| C11 | 0.4415 (4) | 0.9027 (4) | 0.02702 (8) | 0.0592 (13) | |
| H11 | 0.5228 | 0.9482 | 0.0220 | 0.071* | |
| C12 | 0.3585 (3) | 0.7999 (4) | 0.01633 (7) | 0.0489 (11) | |
| H12 | 0.3847 | 0.7752 | 0.0040 | 0.059* | |
| C13 | 0.1919 (4) | 0.7149 (4) | −0.03693 (6) | 0.0528 (11) | |
| C14 | 0.1186 (3) | 0.7695 (3) | −0.02886 (7) | 0.0500 (11) | |
| C15 | 0.1069 (4) | 0.8548 (4) | −0.04020 (8) | 0.0673 (13) | |
| H15 | 0.1495 | 0.8849 | −0.0533 | 0.081* | |
| C16 | 0.0336 (4) | 0.8974 (5) | −0.03266 (9) | 0.0832 (16) | |
| H16 | 0.0237 | 0.9560 | −0.0405 | 0.100* | |
| C17 | −0.0243 (4) | 0.8527 (4) | −0.01355 (10) | 0.0710 (15) | |
| H17 | −0.0758 | 0.8802 | −0.0079 | 0.085* | |
| C18 | −0.0092 (3) | 0.7700 (4) | −0.00260 (8) | 0.0546 (12) | |
| H18 | −0.0495 | 0.7418 | 0.0108 | 0.066* | |
| C19 | 0.3216 (3) | 0.5129 (3) | 0.01674 (6) | 0.0361 (9) | |
| C20 | 0.2693 (3) | 0.4904 (3) | 0.03900 (6) | 0.0379 (9) | |
| C21 | 0.3275 (3) | 0.4709 (4) | 0.05577 (6) | 0.0529 (10) | |
| H21 | 0.4045 | 0.4771 | 0.0538 | 0.063* | |
| C22 | 0.2705 (4) | 0.4417 (5) | 0.07585 (7) | 0.0629 (13) | |
| H22 | 0.3083 | 0.4275 | 0.0878 | 0.075* | |
| C23 | 0.1574 (4) | 0.4335 (4) | 0.07812 (7) | 0.0610 (13) | |
| H23 | 0.1165 | 0.4145 | 0.0916 | 0.073* | |
| C24 | 0.1061 (3) | 0.4547 (4) | 0.05951 (6) | 0.0539 (11) | |
| H24 | 0.0285 | 0.4478 | 0.0608 | 0.065* | |
| O1W | 0.06278 (19) | 0.93722 (19) | 0.0833 | 0.0632 (11) | |
| H1W | 0.0617 | 0.8930 | 0.0732 | 0.095* | |
| O2W | 0.5413 (3) | 0.4587 (3) | 0.0833 | 0.134 (2) | |
| H2W | 0.5540 | 0.4285 | 0.0722 | 0.200* | |
| O3W | −0.1780 (4) | 0.5373 (5) | 0.07365 (6) | 0.145 (3) | |
| H3WA | −0.1443 | 0.5384 | 0.0857 | 0.218* | |
| H3WB | −0.2010 | 0.5906 | 0.0761 | 0.218* | |
| O4W | 0.7402 (6) | 0.1052 (5) | 0.05936 (7) | 0.188 (4) | |
| H4WA | 0.7373 | 0.1610 | 0.0670 | 0.282* | |
| H4WB | 0.7729 | 0.1408 | 0.0475 | 0.282* | |
| O5W | 0.9314 (6) | 0.0686 (6) | 0.0833 | 0.262 (6) | |
| H5W | 0.9021 | 0.0847 | 0.0723 | 0.393* |
| U11 | U22 | U33 | U12 | U13 | U23 | |
| Tb1 | 0.03522 (7) | 0.04700 (8) | 0.03202 (8) | 0.02495 (6) | 0.00027 (6) | −0.00075 (7) |
| K1 | 0.0491 (4) | 0.0827 (5) | 0.0514 (5) | 0.0369 (4) | −0.0055 (4) | 0.0029 (5) |
| O1 | 0.0550 (13) | 0.0407 (12) | 0.0521 (15) | 0.0211 (10) | −0.0067 (13) | 0.0005 (11) |
| O2 | 0.0649 (18) | 0.0485 (16) | 0.088 (2) | 0.0088 (14) | −0.0043 (18) | −0.0049 (16) |
| O3 | 0.0358 (10) | 0.0519 (12) | 0.0356 (12) | 0.0235 (9) | 0.0025 (10) | −0.0050 (10) |
| O4 | 0.0474 (13) | 0.0689 (15) | 0.0482 (15) | 0.0264 (11) | 0.0052 (12) | −0.0175 (12) |
| O5 | 0.0628 (12) | 0.0699 (13) | 0.0379 (13) | 0.0471 (10) | 0.0083 (11) | 0.0070 (11) |
| O6 | 0.154 (2) | 0.1116 (19) | 0.0538 (17) | 0.0975 (16) | 0.0544 (17) | 0.0407 (14) |
| O7 | 0.0386 (10) | 0.0549 (13) | 0.0459 (14) | 0.0257 (9) | 0.0029 (10) | −0.0006 (11) |
| O8 | 0.0426 (9) | 0.0566 (12) | 0.0356 (12) | 0.0330 (9) | 0.0007 (10) | 0.0010 (10) |
| N1 | 0.0494 (14) | 0.0641 (16) | 0.0513 (18) | 0.0368 (12) | −0.0120 (14) | −0.0162 (15) |
| N2 | 0.0384 (13) | 0.0492 (15) | 0.0416 (16) | 0.0226 (11) | 0.0020 (13) | −0.0011 (13) |
| N3 | 0.0409 (13) | 0.0536 (14) | 0.0439 (16) | 0.0271 (12) | 0.0000 (13) | −0.0008 (13) |
| N4 | 0.0395 (12) | 0.0607 (16) | 0.0319 (14) | 0.0290 (11) | 0.0025 (12) | 0.0060 (13) |
| C1 | 0.0606 (19) | 0.0488 (18) | 0.066 (3) | 0.0320 (16) | −0.021 (2) | −0.0019 (19) |
| C2 | 0.0586 (17) | 0.0459 (16) | 0.063 (2) | 0.0366 (13) | −0.0211 (18) | −0.0112 (16) |
| C3 | 0.082 (2) | 0.058 (2) | 0.088 (3) | 0.0421 (18) | −0.028 (2) | −0.021 (2) |
| C4 | 0.090 (3) | 0.085 (3) | 0.082 (3) | 0.057 (2) | −0.039 (2) | −0.043 (2) |
| C5 | 0.069 (2) | 0.111 (3) | 0.067 (3) | 0.058 (2) | −0.023 (2) | −0.045 (2) |
| C6 | 0.0546 (19) | 0.084 (2) | 0.071 (3) | 0.0421 (18) | −0.011 (2) | −0.025 (2) |
| C7 | 0.0425 (16) | 0.066 (2) | 0.042 (2) | 0.0323 (14) | −0.0012 (16) | −0.0020 (17) |
| C8 | 0.0493 (18) | 0.0567 (19) | 0.0365 (19) | 0.0271 (15) | −0.0025 (16) | −0.0033 (16) |
| C9 | 0.058 (2) | 0.062 (2) | 0.062 (3) | 0.0294 (17) | −0.006 (2) | −0.0259 (19) |
| C10 | 0.050 (2) | 0.058 (2) | 0.085 (3) | 0.0187 (19) | −0.011 (2) | −0.019 (2) |
| C11 | 0.0401 (18) | 0.055 (2) | 0.074 (3) | 0.0179 (16) | 0.006 (2) | 0.005 (2) |
| C12 | 0.0437 (17) | 0.060 (2) | 0.044 (2) | 0.0267 (15) | 0.0059 (17) | 0.0056 (18) |
| C13 | 0.069 (2) | 0.067 (2) | 0.037 (2) | 0.0454 (16) | 0.0036 (17) | 0.0095 (17) |
| C14 | 0.0554 (19) | 0.053 (2) | 0.046 (2) | 0.0308 (15) | −0.0032 (17) | 0.0009 (17) |
| C15 | 0.083 (2) | 0.068 (2) | 0.066 (3) | 0.0491 (18) | 0.013 (2) | 0.019 (2) |
| C16 | 0.093 (2) | 0.087 (2) | 0.099 (4) | 0.067 (2) | 0.026 (3) | 0.032 (3) |
| C17 | 0.061 (2) | 0.056 (2) | 0.110 (4) | 0.0400 (16) | 0.015 (2) | 0.005 (2) |
| C18 | 0.0450 (17) | 0.0511 (19) | 0.071 (3) | 0.0263 (15) | −0.001 (2) | −0.0019 (19) |
| C19 | 0.0285 (14) | 0.0402 (16) | 0.0403 (19) | 0.0178 (12) | 0.0058 (14) | 0.0015 (14) |
| C20 | 0.0377 (15) | 0.0406 (16) | 0.0370 (18) | 0.0209 (12) | 0.0009 (14) | 0.0014 (14) |
| C21 | 0.0492 (16) | 0.077 (2) | 0.045 (2) | 0.0410 (15) | 0.0004 (16) | 0.0020 (19) |
| C22 | 0.070 (2) | 0.093 (3) | 0.038 (2) | 0.0504 (19) | −0.0038 (18) | 0.008 (2) |
| C23 | 0.059 (2) | 0.082 (3) | 0.044 (2) | 0.0368 (19) | 0.0064 (18) | 0.0116 (19) |
| C24 | 0.0479 (17) | 0.078 (2) | 0.043 (2) | 0.0369 (16) | 0.0033 (16) | 0.0074 (18) |
| O1W | 0.0694 (12) | 0.0694 (12) | 0.059 (2) | 0.0408 (16) | −0.008 (2) | −0.008 (2) |
| O2W | 0.171 (2) | 0.171 (2) | 0.121 (5) | 0.133 (3) | −0.048 (4) | −0.048 (4) |
| O3W | 0.102 (3) | 0.166 (5) | 0.055 (2) | −0.018 (3) | 0.010 (2) | −0.023 (3) |
| O4W | 0.199 (6) | 0.164 (6) | 0.119 (4) | 0.029 (5) | −0.018 (5) | 0.028 (4) |
| O5W | 0.281 (6) | 0.281 (6) | 0.282 (12) | 0.184 (8) | −0.151 (8) | −0.151 (8) |
| Tb1—O1 | 2.380 (2) | C3—H3 | 0.9500 |
| Tb1—O3 | 2.354 (2) | C4—C5 | 1.373 (7) |
| Tb1—O5 | 2.333 (2) | C4—H4 | 0.9500 |
| Tb1—O7i | 2.352 (3) | C5—C6 | 1.365 (7) |
| Tb1—O8 | 2.385 (3) | C5—H5 | 0.9500 |
| Tb1—N1 | 2.640 (3) | C6—H6 | 0.9500 |
| Tb1—N2 | 2.575 (3) | C7—C8 | 1.520 (5) |
| Tb1—N3 | 2.736 (4) | C8—C9 | 1.374 (5) |
| Tb1—N4 | 2.626 (3) | C9—C10 | 1.383 (6) |
| K1—O1 | 2.676 (3) | C9—H9 | 0.9500 |
| K1—O2 | 3.208 (4) | C10—C11 | 1.354 (7) |
| K1—O3 | 2.972 (2) | C10—H10 | 0.9500 |
| K1—O5i | 2.725 (3) | C11—C12 | 1.373 (6) |
| K1—O6i | 2.985 (4) | C11—H11 | 0.9500 |
| K1—O8i | 2.959 (2) | C12—H12 | 0.9500 |
| K1—O3W | 2.661 (5) | C13—C14 | 1.501 (7) |
| Tb1—K1 | 4.1075 (9) | C13—K1ii | 3.204 (5) |
| Tb1—K1ii | 4.4471 (10) | C14—C15 | 1.364 (6) |
| K1—Tb1i | 4.4471 (10) | C15—C16 | 1.374 (8) |
| O1—C1 | 1.274 (5) | C15—H15 | 0.9500 |
| O2—C1 | 1.228 (5) | C16—C17 | 1.364 (8) |
| O3—C7 | 1.276 (4) | C16—H16 | 0.9500 |
| O4—C7 | 1.246 (5) | C17—C18 | 1.345 (7) |
| O5—C13 | 1.276 (5) | C17—H17 | 0.9500 |
| O5—K1ii | 2.725 (3) | C18—H18 | 0.9500 |
| O6—C13 | 1.207 (5) | C19—C20 | 1.501 (5) |
| O6—K1ii | 2.985 (4) | C20—C21 | 1.372 (6) |
| O7—C19 | 1.248 (4) | C21—C22 | 1.398 (6) |
| O7—Tb1ii | 2.352 (3) | C21—H21 | 0.9500 |
| O8—C19 | 1.271 (4) | C22—C23 | 1.397 (7) |
| O8—K1ii | 2.959 (2) | C22—H22 | 0.9500 |
| N1—C2 | 1.314 (5) | C23—C24 | 1.420 (6) |
| N1—C6 | 1.327 (5) | C23—H23 | 0.9500 |
| N2—C12 | 1.333 (5) | C24—H24 | 0.9500 |
| N2—C8 | 1.334 (5) | O1W—H1W | 0.8423 |
| N3—C18 | 1.347 (6) | O2W—H2W | 0.8472 |
| N3—C14 | 1.358 (5) | O3W—H3WA | 0.8616 |
| N4—C24 | 1.319 (5) | O3W—H3WB | 0.8749 |
| N4—C20 | 1.356 (5) | O4W—H4WA | 0.8712 |
| C1—C2 | 1.532 (6) | O4W—H4WB | 0.8598 |
| C2—C3 | 1.394 (6) | O5W—H5W | 0.8517 |
| C3—C4 | 1.383 (7) | ||
| O5—Tb1—O7i | 84.54 (9) | C1—O1—Tb1 | 126.1 (3) |
| O5—Tb1—O3 | 133.84 (9) | C1—O1—K1 | 103.8 (3) |
| O7i—Tb1—O3 | 91.51 (8) | Tb1—O1—K1 | 108.51 (11) |
| O5—Tb1—O1 | 142.62 (9) | C1—O2—K1 | 79.9 (3) |
| O7i—Tb1—O1 | 74.24 (9) | C7—O3—Tb1 | 124.7 (2) |
| O3—Tb1—O1 | 78.10 (9) | C7—O3—K1 | 133.6 (2) |
| O5—Tb1—O8 | 68.75 (9) | Tb1—O3—K1 | 100.26 (8) |
| O7i—Tb1—O8 | 137.81 (8) | C13—O5—Tb1 | 131.6 (3) |
| O3—Tb1—O8 | 130.58 (8) | C13—O5—K1ii | 100.0 (2) |
| O1—Tb1—O8 | 107.77 (9) | Tb1—O5—K1ii | 122.89 (12) |
| O5—Tb1—N2 | 84.42 (9) | C13—O6—K1ii | 89.2 (3) |
| O7i—Tb1—N2 | 134.49 (10) | C19—O7—Tb1ii | 147.0 (2) |
| O3—Tb1—N2 | 66.16 (8) | C19—O8—Tb1 | 126.7 (2) |
| O1—Tb1—N2 | 132.14 (9) | C19—O8—K1ii | 118.6 (2) |
| O8—Tb1—N2 | 76.37 (9) | Tb1—O8—K1ii | 112.22 (9) |
| O5—Tb1—N4 | 130.37 (9) | C2—N1—C6 | 119.0 (4) |
| O7i—Tb1—N4 | 142.63 (9) | C2—N1—Tb1 | 114.8 (3) |
| O3—Tb1—N4 | 73.81 (10) | C6—N1—Tb1 | 125.4 (3) |
| O1—Tb1—N4 | 69.22 (9) | C12—N2—C8 | 117.4 (3) |
| O8—Tb1—N4 | 63.97 (9) | C12—N2—Tb1 | 127.1 (3) |
| N2—Tb1—N4 | 70.92 (10) | C8—N2—Tb1 | 115.4 (2) |
| O5—Tb1—N1 | 79.95 (10) | C18—N3—C14 | 117.1 (4) |
| O7i—Tb1—N1 | 68.57 (9) | C18—N3—Tb1 | 128.8 (3) |
| O3—Tb1—N1 | 140.33 (8) | C14—N3—Tb1 | 113.5 (3) |
| O1—Tb1—N1 | 63.84 (10) | C24—N4—C20 | 116.9 (3) |
| O8—Tb1—N1 | 74.85 (9) | C24—N4—Tb1 | 126.9 (3) |
| N2—Tb1—N1 | 150.65 (10) | C20—N4—Tb1 | 116.1 (2) |
| N4—Tb1—N1 | 101.03 (11) | O2—C1—O1 | 125.0 (4) |
| O5—Tb1—N3 | 62.59 (10) | O2—C1—C2 | 120.2 (4) |
| O7i—Tb1—N3 | 66.11 (8) | O1—C1—C2 | 114.7 (3) |
| O3—Tb1—N3 | 73.80 (9) | O2—C1—K1 | 78.1 (3) |
| O1—Tb1—N3 | 129.94 (10) | O1—C1—K1 | 53.7 (2) |
| O8—Tb1—N3 | 122.04 (8) | C2—C1—K1 | 148.5 (3) |
| N2—Tb1—N3 | 69.62 (10) | N1—C2—C3 | 122.1 (4) |
| N4—Tb1—N3 | 136.35 (9) | N1—C2—C1 | 117.0 (3) |
| N1—Tb1—N3 | 122.56 (10) | C3—C2—C1 | 120.9 (4) |
| O5—Tb1—K1 | 147.78 (7) | C4—C3—C2 | 118.6 (4) |
| O7i—Tb1—K1 | 64.31 (7) | C4—C3—H3 | 120.7 |
| O3—Tb1—K1 | 45.40 (5) | C2—C3—H3 | 120.7 |
| O1—Tb1—K1 | 38.16 (8) | C5—C4—C3 | 118.4 (4) |
| O8—Tb1—K1 | 140.97 (6) | C5—C4—H4 | 120.8 |
| N2—Tb1—K1 | 111.00 (7) | C3—C4—H4 | 120.8 |
| N4—Tb1—K1 | 81.85 (6) | C6—C5—C4 | 119.2 (5) |
| N1—Tb1—K1 | 95.11 (7) | C6—C5—H5 | 120.4 |
| N3—Tb1—K1 | 95.42 (6) | C4—C5—H5 | 120.4 |
| O5—Tb1—K1ii | 30.97 (7) | N1—C6—C5 | 122.7 (4) |
| O7i—Tb1—K1ii | 108.39 (7) | N1—C6—H6 | 118.6 |
| O3—Tb1—K1ii | 147.55 (5) | C5—C6—H6 | 118.6 |
| O1—Tb1—K1ii | 131.21 (7) | O4—C7—O3 | 123.9 (3) |
| O8—Tb1—K1ii | 38.02 (6) | O4—C7—C8 | 118.6 (3) |
| N2—Tb1—K1ii | 81.83 (7) | O3—C7—C8 | 117.5 (3) |
| N4—Tb1—K1ii | 101.43 (6) | N2—C8—C9 | 122.7 (4) |
| N1—Tb1—K1ii | 71.99 (7) | N2—C8—C7 | 116.1 (3) |
| N3—Tb1—K1ii | 90.77 (6) | C9—C8—C7 | 121.3 (4) |
| K1—Tb1—K1ii | 167.044 (5) | C8—C9—C10 | 118.8 (4) |
| O3W—K1—O1 | 121.80 (14) | C8—C9—H9 | 120.6 |
| O3W—K1—O5i | 100.66 (15) | C10—C9—H9 | 120.6 |
| O1—K1—O5i | 132.75 (8) | C11—C10—C9 | 118.8 (4) |
| O3W—K1—O8i | 116.68 (14) | C11—C10—H10 | 120.6 |
| O1—K1—O8i | 85.12 (8) | C9—C10—H10 | 120.6 |
| O5i—K1—O8i | 55.72 (8) | C10—C11—C12 | 119.2 (4) |
| O3W—K1—O3 | 69.35 (11) | C10—C11—H11 | 120.4 |
| O1—K1—O3 | 63.49 (7) | C12—C11—H11 | 120.4 |
| O5i—K1—O3 | 122.62 (9) | N2—C12—C11 | 123.1 (4) |
| O8i—K1—O3 | 78.10 (8) | N2—C12—H12 | 118.5 |
| O3W—K1—O6i | 95.03 (12) | C11—C12—H12 | 118.5 |
| O1—K1—O6i | 136.98 (9) | O6—C13—O5 | 124.0 (5) |
| O5i—K1—O6i | 44.88 (8) | O6—C13—C14 | 120.4 (4) |
| O8i—K1—O6i | 98.24 (8) | O5—C13—C14 | 115.6 (3) |
| O3—K1—O6i | 159.29 (9) | O6—C13—K1ii | 68.7 (3) |
| O3W—K1—C13i | 101.29 (14) | O5—C13—K1ii | 56.9 (2) |
| O1—K1—C13i | 136.87 (9) | C14—C13—K1ii | 163.7 (3) |
| O5i—K1—C13i | 23.10 (9) | N3—C14—C15 | 121.7 (4) |
| O8i—K1—C13i | 76.45 (9) | N3—C14—C13 | 115.9 (4) |
| O3—K1—C13i | 144.73 (10) | C15—C14—C13 | 122.4 (4) |
| O6i—K1—C13i | 22.14 (9) | C14—C15—C16 | 120.2 (5) |
| O3W—K1—O2 | 150.45 (16) | C14—C15—H15 | 119.9 |
| O1—K1—O2 | 43.17 (8) | C16—C15—H15 | 119.9 |
| O5i—K1—O2 | 105.46 (9) | C17—C16—C15 | 117.7 (5) |
| O8i—K1—O2 | 89.76 (8) | C17—C16—H16 | 121.2 |
| O3—K1—O2 | 106.46 (8) | C15—C16—H16 | 121.2 |
| O6i—K1—O2 | 93.82 (9) | C18—C17—C16 | 120.6 (5) |
| C13i—K1—O2 | 97.47 (10) | C18—C17—H17 | 119.7 |
| O3W—K1—C1 | 142.75 (15) | C16—C17—H17 | 119.7 |
| O1—K1—C1 | 22.56 (8) | C17—C18—N3 | 122.7 (4) |
| O5i—K1—C1 | 116.01 (9) | C17—C18—H18 | 118.6 |
| O8i—K1—C1 | 81.64 (9) | N3—C18—H18 | 118.6 |
| O3—K1—C1 | 84.75 (9) | O7—C19—O8 | 124.3 (3) |
| O6i—K1—C1 | 115.13 (10) | O7—C19—C20 | 118.1 (3) |
| C13i—K1—C1 | 114.93 (10) | O8—C19—C20 | 117.6 (3) |
| O2—K1—C1 | 22.01 (9) | N4—C20—C21 | 124.4 (3) |
| O3W—K1—Tb1 | 102.90 (10) | N4—C20—C19 | 114.9 (3) |
| O1—K1—Tb1 | 33.33 (5) | C21—C20—C19 | 120.6 (3) |
| O5i—K1—Tb1 | 123.64 (6) | C20—C21—C22 | 118.3 (4) |
| O8i—K1—Tb1 | 67.93 (5) | C20—C21—H21 | 120.9 |
| O3—K1—Tb1 | 34.34 (5) | C22—C21—H21 | 120.9 |
| O6i—K1—Tb1 | 160.91 (7) | C23—C22—C21 | 119.2 (4) |
| C13i—K1—Tb1 | 143.12 (7) | C23—C22—H22 | 120.4 |
| O2—K1—Tb1 | 73.72 (6) | C21—C22—H22 | 120.4 |
| C1—K1—Tb1 | 51.71 (7) | C22—C23—C24 | 117.2 (4) |
| O3W—K1—Tb1i | 108.22 (14) | C22—C23—H23 | 121.4 |
| O1—K1—Tb1i | 112.36 (6) | C24—C23—H23 | 121.4 |
| O5i—K1—Tb1i | 26.14 (6) | N4—C24—C23 | 124.1 (4) |
| O8i—K1—Tb1i | 29.77 (5) | N4—C24—H24 | 118.0 |
| O3—K1—Tb1i | 100.94 (6) | C23—C24—H24 | 118.0 |
| O6i—K1—Tb1i | 70.27 (6) | K1—O3W—H3WA | 130.1 |
| C13i—K1—Tb1i | 48.14 (7) | K1—O3W—H3WB | 127.8 |
| O2—K1—Tb1i | 101.31 (7) | H3WA—O3W—H3WB | 101.2 |
| C1—K1—Tb1i | 102.51 (8) | H4WA—O4W—H4WB | 104.4 |
| Tb1—K1—Tb1i | 97.539 (19) | ||
| O5—Tb1—K1—O3W | −117.41 (19) | K1—Tb1—O8—C19 | −39.4 (3) |
| O7i—Tb1—K1—O3W | −133.39 (16) | K1ii—Tb1—O8—C19 | 161.4 (3) |
| O3—Tb1—K1—O3W | −12.35 (17) | O5—Tb1—O8—K1ii | −4.91 (9) |
| O1—Tb1—K1—O3W | 129.46 (18) | O7i—Tb1—O8—K1ii | 49.58 (15) |
| O8—Tb1—K1—O3W | 91.20 (17) | O3—Tb1—O8—K1ii | −135.11 (9) |
| N2—Tb1—K1—O3W | −2.97 (16) | O1—Tb1—O8—K1ii | 135.50 (9) |
| N4—Tb1—K1—O3W | 62.91 (16) | N2—Tb1—O8—K1ii | −94.16 (10) |
| N1—Tb1—K1—O3W | 163.36 (16) | N4—Tb1—O8—K1ii | −169.33 (13) |
| N3—Tb1—K1—O3W | −73.19 (15) | N1—Tb1—O8—K1ii | 80.00 (10) |
| K1ii—Tb1—K1—O3W | 168.59 (15) | N3—Tb1—O8—K1ii | −39.22 (13) |
| O5—Tb1—K1—O1 | 113.13 (17) | K1—Tb1—O8—K1ii | 159.19 (3) |
| O7i—Tb1—K1—O1 | 97.15 (12) | O5—Tb1—N1—C2 | −157.6 (3) |
| O3—Tb1—K1—O1 | −141.81 (14) | O7i—Tb1—N1—C2 | −69.6 (3) |
| O8—Tb1—K1—O1 | −38.26 (14) | O3—Tb1—N1—C2 | −5.0 (4) |
| N2—Tb1—K1—O1 | −132.43 (13) | O1—Tb1—N1—C2 | 12.8 (3) |
| N4—Tb1—K1—O1 | −66.55 (12) | O8—Tb1—N1—C2 | 131.9 (3) |
| N1—Tb1—K1—O1 | 33.90 (13) | N2—Tb1—N1—C2 | 143.5 (3) |
| N3—Tb1—K1—O1 | 157.35 (12) | N4—Tb1—N1—C2 | 72.9 (3) |
| K1ii—Tb1—K1—O1 | 39.13 (14) | N3—Tb1—N1—C2 | −109.5 (3) |
| O5—Tb1—K1—O5i | −5.0 (2) | K1—Tb1—N1—C2 | −9.8 (3) |
| O7i—Tb1—K1—O5i | −21.03 (9) | K1ii—Tb1—N1—C2 | 171.5 (3) |
| O3—Tb1—K1—O5i | 100.01 (12) | O5—Tb1—N1—C6 | 11.7 (3) |
| O1—Tb1—K1—O5i | −118.18 (13) | O7i—Tb1—N1—C6 | 99.7 (4) |
| O8—Tb1—K1—O5i | −156.44 (11) | O3—Tb1—N1—C6 | 164.4 (3) |
| N2—Tb1—K1—O5i | 109.39 (11) | O1—Tb1—N1—C6 | −177.9 (4) |
| N4—Tb1—K1—O5i | 175.27 (11) | O8—Tb1—N1—C6 | −58.8 (4) |
| N1—Tb1—K1—O5i | −84.28 (11) | N2—Tb1—N1—C6 | −47.2 (5) |
| N3—Tb1—K1—O5i | 39.17 (10) | N4—Tb1—N1—C6 | −117.8 (4) |
| K1ii—Tb1—K1—O5i | −79.04 (12) | N3—Tb1—N1—C6 | 59.8 (4) |
| O5—Tb1—K1—O8i | −3.57 (15) | K1—Tb1—N1—C6 | 159.6 (3) |
| O7i—Tb1—K1—O8i | −19.55 (8) | K1ii—Tb1—N1—C6 | −19.2 (3) |
| O3—Tb1—K1—O8i | 101.48 (11) | O5—Tb1—N2—C12 | −34.9 (3) |
| O1—Tb1—K1—O8i | −116.70 (11) | O7i—Tb1—N2—C12 | −111.6 (3) |
| O8—Tb1—K1—O8i | −154.96 (5) | O3—Tb1—N2—C12 | −178.4 (4) |
| N2—Tb1—K1—O8i | 110.87 (10) | O1—Tb1—N2—C12 | 136.4 (3) |
| N4—Tb1—K1—O8i | 176.75 (9) | O8—Tb1—N2—C12 | 34.6 (3) |
| N1—Tb1—K1—O8i | −82.81 (9) | N4—Tb1—N2—C12 | 101.4 (4) |
| N3—Tb1—K1—O8i | 40.64 (8) | N1—Tb1—N2—C12 | 23.0 (5) |
| K1ii—Tb1—K1—O8i | −77.57 (10) | N3—Tb1—N2—C12 | −97.7 (4) |
| O5—Tb1—K1—O3 | −105.06 (16) | K1—Tb1—N2—C12 | 174.3 (3) |
| O7i—Tb1—K1—O3 | −121.03 (11) | K1ii—Tb1—N2—C12 | −3.8 (3) |
| O1—Tb1—K1—O3 | 141.81 (14) | O5—Tb1—N2—C8 | 146.8 (3) |
| O8—Tb1—K1—O3 | 103.56 (13) | O7i—Tb1—N2—C8 | 70.0 (3) |
| N2—Tb1—K1—O3 | 9.39 (12) | O3—Tb1—N2—C8 | 3.2 (3) |
| N4—Tb1—K1—O3 | 75.26 (12) | O1—Tb1—N2—C8 | −42.0 (3) |
| N1—Tb1—K1—O3 | 175.71 (12) | O8—Tb1—N2—C8 | −143.8 (3) |
| N3—Tb1—K1—O3 | −60.84 (11) | N4—Tb1—N2—C8 | −77.0 (3) |
| O5—Tb1—K1—O6i | 42.1 (3) | N1—Tb1—N2—C8 | −155.3 (3) |
| O7i—Tb1—K1—O6i | 26.1 (2) | N3—Tb1—N2—C8 | 84.0 (3) |
| O3—Tb1—K1—O6i | 147.2 (2) | K1—Tb1—N2—C8 | −4.1 (3) |
| O1—Tb1—K1—O6i | −71.0 (2) | K1ii—Tb1—N2—C8 | 177.8 (3) |
| O8—Tb1—K1—O6i | −109.3 (2) | O5—Tb1—N3—C18 | 171.9 (3) |
| N2—Tb1—K1—O6i | 156.6 (2) | O7i—Tb1—N3—C18 | 75.5 (3) |
| N4—Tb1—K1—O6i | −137.6 (2) | O3—Tb1—N3—C18 | −23.6 (3) |
| N1—Tb1—K1—O6i | −37.1 (2) | O1—Tb1—N3—C18 | 34.8 (3) |
| N3—Tb1—K1—O6i | 86.3 (2) | O8—Tb1—N3—C18 | −151.8 (3) |
| K1ii—Tb1—K1—O6i | −31.9 (3) | N2—Tb1—N3—C18 | −93.7 (3) |
| O5—Tb1—K1—C13i | 12.37 (19) | N4—Tb1—N3—C18 | −67.2 (3) |
| O7i—Tb1—K1—C13i | −3.61 (14) | N1—Tb1—N3—C18 | 116.3 (3) |
| O3—Tb1—K1—C13i | 117.43 (16) | K1—Tb1—N3—C18 | 16.7 (3) |
| O1—Tb1—K1—C13i | −100.76 (17) | K1ii—Tb1—N3—C18 | −174.7 (3) |
| O8—Tb1—K1—C13i | −139.01 (15) | O5—Tb1—N3—C14 | 1.4 (2) |
| N2—Tb1—K1—C13i | 126.81 (15) | O7i—Tb1—N3—C14 | −95.1 (2) |
| N4—Tb1—K1—C13i | −167.31 (15) | O3—Tb1—N3—C14 | 165.8 (2) |
| N1—Tb1—K1—C13i | −66.86 (15) | O1—Tb1—N3—C14 | −135.8 (2) |
| N3—Tb1—K1—C13i | 56.59 (14) | O8—Tb1—N3—C14 | 37.7 (3) |
| K1ii—Tb1—K1—C13i | −61.62 (17) | N2—Tb1—N3—C14 | 95.7 (2) |
| O5—Tb1—K1—O2 | 92.95 (15) | N4—Tb1—N3—C14 | 122.3 (2) |
| O7i—Tb1—K1—O2 | 76.97 (9) | N1—Tb1—N3—C14 | −54.3 (3) |
| O3—Tb1—K1—O2 | −161.99 (12) | K1—Tb1—N3—C14 | −153.9 (2) |
| O1—Tb1—K1—O2 | −20.18 (13) | K1ii—Tb1—N3—C14 | 14.7 (2) |
| O8—Tb1—K1—O2 | −58.43 (11) | O5—Tb1—N4—C24 | 166.3 (3) |
| N2—Tb1—K1—O2 | −152.61 (11) | O7i—Tb1—N4—C24 | −38.5 (4) |
| N4—Tb1—K1—O2 | −86.73 (10) | O3—Tb1—N4—C24 | 31.9 (3) |
| N1—Tb1—K1—O2 | 13.72 (11) | O1—Tb1—N4—C24 | −51.2 (3) |
| N3—Tb1—K1—O2 | 137.17 (9) | O8—Tb1—N4—C24 | −174.5 (4) |
| K1ii—Tb1—K1—O2 | 18.96 (12) | N2—Tb1—N4—C24 | 101.7 (3) |
| O5—Tb1—K1—C1 | 93.33 (16) | N1—Tb1—N4—C24 | −107.5 (3) |
| O7i—Tb1—K1—C1 | 77.35 (12) | N3—Tb1—N4—C24 | 75.4 (3) |
| O3—Tb1—K1—C1 | −161.61 (13) | K1—Tb1—N4—C24 | −13.9 (3) |
| O1—Tb1—K1—C1 | −19.80 (14) | K1ii—Tb1—N4—C24 | 178.8 (3) |
| O8—Tb1—K1—C1 | −58.05 (13) | O5—Tb1—N4—C20 | −12.3 (3) |
| N2—Tb1—K1—C1 | −152.23 (13) | O7i—Tb1—N4—C20 | 142.9 (2) |
| N4—Tb1—K1—C1 | −86.35 (12) | O3—Tb1—N4—C20 | −146.7 (3) |
| N1—Tb1—K1—C1 | 14.10 (12) | O1—Tb1—N4—C20 | 130.2 (3) |
| N3—Tb1—K1—C1 | 137.55 (11) | O8—Tb1—N4—C20 | 6.9 (2) |
| K1ii—Tb1—K1—C1 | 19.34 (13) | N2—Tb1—N4—C20 | −76.9 (3) |
| O5—Tb1—K1—Tb1i | −6.69 (14) | N1—Tb1—N4—C20 | 73.8 (3) |
| O7i—Tb1—K1—Tb1i | −22.67 (6) | N3—Tb1—N4—C20 | −103.2 (3) |
| O3—Tb1—K1—Tb1i | 98.37 (9) | K1—Tb1—N4—C20 | 167.5 (3) |
| O1—Tb1—K1—Tb1i | −119.82 (10) | K1ii—Tb1—N4—C20 | 0.2 (3) |
| O8—Tb1—K1—Tb1i | −158.07 (9) | K1—O2—C1—O1 | 27.6 (4) |
| N2—Tb1—K1—Tb1i | 107.75 (8) | K1—O2—C1—C2 | −152.4 (4) |
| N4—Tb1—K1—Tb1i | 173.63 (7) | Tb1—O1—C1—O2 | −159.8 (4) |
| N1—Tb1—K1—Tb1i | −85.92 (8) | K1—O1—C1—O2 | −34.2 (5) |
| N3—Tb1—K1—Tb1i | 37.53 (6) | Tb1—O1—C1—C2 | 20.2 (5) |
| K1ii—Tb1—K1—Tb1i | −80.68 (9) | K1—O1—C1—C2 | 145.8 (3) |
| O5—Tb1—O1—C1 | −2.5 (4) | Tb1—O1—C1—K1 | −125.6 (3) |
| O7i—Tb1—O1—C1 | 55.4 (3) | O3W—K1—C1—O2 | 125.6 (3) |
| O3—Tb1—O1—C1 | 150.4 (4) | O1—K1—C1—O2 | 152.0 (4) |
| O8—Tb1—O1—C1 | −80.5 (4) | O5i—K1—C1—O2 | −65.4 (3) |
| N2—Tb1—O1—C1 | −168.0 (3) | O8i—K1—C1—O2 | −110.6 (3) |
| N4—Tb1—O1—C1 | −132.6 (4) | O3—K1—C1—O2 | 170.7 (3) |
| N1—Tb1—O1—C1 | −18.1 (3) | O6i—K1—C1—O2 | −15.4 (3) |
| N3—Tb1—O1—C1 | 93.6 (4) | C13i—K1—C1—O2 | −39.8 (3) |
| K1—Tb1—O1—C1 | 123.6 (4) | Tb1—K1—C1—O2 | −179.0 (3) |
| K1ii—Tb1—O1—C1 | −45.5 (4) | Tb1i—K1—C1—O2 | −89.3 (3) |
| O5—Tb1—O1—K1 | −126.14 (15) | O3W—K1—C1—O1 | −26.4 (4) |
| O7i—Tb1—O1—K1 | −68.28 (10) | O5i—K1—C1—O1 | 142.6 (2) |
| O3—Tb1—O1—K1 | 26.73 (9) | O8i—K1—C1—O1 | 97.4 (2) |
| O8—Tb1—O1—K1 | 155.83 (9) | O3—K1—C1—O1 | 18.7 (2) |
| N2—Tb1—O1—K1 | 68.33 (16) | O6i—K1—C1—O1 | −167.3 (2) |
| N4—Tb1—O1—K1 | 103.74 (12) | C13i—K1—C1—O1 | 168.2 (2) |
| N1—Tb1—O1—K1 | −141.77 (14) | O2—K1—C1—O1 | −152.0 (4) |
| N3—Tb1—O1—K1 | −30.01 (15) | Tb1—K1—C1—O1 | 29.0 (2) |
| K1ii—Tb1—O1—K1 | −169.16 (4) | Tb1i—K1—C1—O1 | 118.8 (2) |
| O3W—K1—O1—C1 | 161.6 (3) | O3W—K1—C1—C2 | −104.4 (5) |
| O5i—K1—O1—C1 | −48.0 (3) | O1—K1—C1—C2 | −78.0 (5) |
| O8i—K1—O1—C1 | −79.9 (2) | O5i—K1—C1—C2 | 64.6 (5) |
| O3—K1—O1—C1 | −159.1 (3) | O8i—K1—C1—C2 | 19.4 (5) |
| O6i—K1—O1—C1 | 16.9 (3) | O3—K1—C1—C2 | −59.3 (5) |
| C13i—K1—O1—C1 | −15.7 (3) | O6i—K1—C1—C2 | 114.6 (5) |
| O2—K1—O1—C1 | 14.9 (2) | C13i—K1—C1—C2 | 90.2 (5) |
| Tb1—K1—O1—C1 | −136.1 (3) | O2—K1—C1—C2 | 130.0 (6) |
| Tb1i—K1—O1—C1 | −67.7 (3) | Tb1—K1—C1—C2 | −49.0 (4) |
| O3W—K1—O1—Tb1 | −62.31 (18) | Tb1i—K1—C1—C2 | 40.8 (5) |
| O5i—K1—O1—Tb1 | 88.12 (13) | C6—N1—C2—C3 | 0.6 (7) |
| O8i—K1—O1—Tb1 | 56.19 (10) | Tb1—N1—C2—C3 | 170.7 (4) |
| O3—K1—O1—Tb1 | −22.93 (8) | C6—N1—C2—C1 | −179.1 (4) |
| O6i—K1—O1—Tb1 | 153.05 (10) | Tb1—N1—C2—C1 | −9.1 (5) |
| C13i—K1—O1—Tb1 | 120.40 (13) | O2—C1—C2—N1 | 174.9 (4) |
| O2—K1—O1—Tb1 | 151.06 (18) | O1—C1—C2—N1 | −5.1 (6) |
| C1—K1—O1—Tb1 | 136.1 (3) | K1—C1—C2—N1 | 55.1 (7) |
| Tb1i—K1—O1—Tb1 | 68.45 (10) | O2—C1—C2—C3 | −4.9 (7) |
| O3W—K1—O2—C1 | −86.7 (3) | O1—C1—C2—C3 | 175.1 (4) |
| O1—K1—O2—C1 | −15.3 (2) | K1—C1—C2—C3 | −124.7 (5) |
| O5i—K1—O2—C1 | 122.0 (3) | N1—C2—C3—C4 | 0.6 (7) |
| O8i—K1—O2—C1 | 67.8 (3) | C1—C2—C3—C4 | −179.6 (5) |
| O3—K1—O2—C1 | −9.7 (3) | C2—C3—C4—C5 | −1.2 (8) |
| O6i—K1—O2—C1 | 166.1 (3) | C3—C4—C5—C6 | 0.5 (8) |
| C13i—K1—O2—C1 | 144.1 (3) | C2—N1—C6—C5 | −1.4 (7) |
| Tb1—K1—O2—C1 | 0.8 (3) | Tb1—N1—C6—C5 | −170.3 (4) |
| Tb1i—K1—O2—C1 | 95.4 (3) | C4—C5—C6—N1 | 0.8 (8) |
| O5—Tb1—O3—C7 | −57.5 (3) | Tb1—O3—C7—O4 | −178.5 (3) |
| O7i—Tb1—O3—C7 | −141.4 (3) | K1—O3—C7—O4 | −14.8 (6) |
| O1—Tb1—O3—C7 | 145.1 (3) | Tb1—O3—C7—C8 | 1.3 (5) |
| O8—Tb1—O3—C7 | 41.8 (3) | K1—O3—C7—C8 | 165.0 (3) |
| N2—Tb1—O3—C7 | −2.3 (3) | C12—N2—C8—C9 | −3.4 (7) |
| N4—Tb1—O3—C7 | 73.5 (3) | Tb1—N2—C8—C9 | 175.2 (4) |
| N1—Tb1—O3—C7 | 161.4 (3) | C12—N2—C8—C7 | 177.6 (4) |
| N3—Tb1—O3—C7 | −76.8 (3) | Tb1—N2—C8—C7 | −3.9 (5) |
| K1—Tb1—O3—C7 | 168.1 (3) | O4—C7—C8—N2 | −178.2 (4) |
| K1ii—Tb1—O3—C7 | −12.3 (4) | O3—C7—C8—N2 | 2.0 (6) |
| O5—Tb1—O3—K1 | 134.46 (10) | O4—C7—C8—C9 | 2.7 (7) |
| O7i—Tb1—O3—K1 | 50.57 (9) | O3—C7—C8—C9 | −177.0 (4) |
| O1—Tb1—O3—K1 | −22.98 (9) | N2—C8—C9—C10 | 3.3 (8) |
| O8—Tb1—O3—K1 | −126.28 (9) | C7—C8—C9—C10 | −177.7 (5) |
| N2—Tb1—O3—K1 | −170.42 (12) | C8—C9—C10—C11 | −1.1 (8) |
| N4—Tb1—O3—K1 | −94.53 (9) | C9—C10—C11—C12 | −0.7 (8) |
| N1—Tb1—O3—K1 | −6.70 (19) | C8—N2—C12—C11 | 1.4 (7) |
| N3—Tb1—O3—K1 | 115.13 (10) | Tb1—N2—C12—C11 | −177.0 (3) |
| K1ii—Tb1—O3—K1 | 179.60 (5) | C10—C11—C12—N2 | 0.6 (8) |
| O3W—K1—O3—C7 | 0.7 (4) | K1ii—O6—C13—O5 | −14.1 (4) |
| O1—K1—O3—C7 | −144.1 (4) | K1ii—O6—C13—C14 | 165.0 (3) |
| O5i—K1—O3—C7 | 90.3 (4) | Tb1—O5—C13—O6 | 169.0 (3) |
| O8i—K1—O3—C7 | 125.4 (4) | K1ii—O5—C13—O6 | 15.7 (4) |
| O6i—K1—O3—C7 | 43.6 (5) | Tb1—O5—C13—C14 | −10.1 (5) |
| C13i—K1—O3—C7 | 80.9 (4) | K1ii—O5—C13—C14 | −163.4 (3) |
| O2—K1—O3—C7 | −148.4 (4) | Tb1—O5—C13—K1ii | 153.3 (3) |
| C1—K1—O3—C7 | −152.0 (4) | C18—N3—C14—C15 | 0.0 (5) |
| Tb1—K1—O3—C7 | −166.4 (4) | Tb1—N3—C14—C15 | 171.7 (3) |
| Tb1i—K1—O3—C7 | 106.2 (4) | C18—N3—C14—C13 | −177.8 (3) |
| O3W—K1—O3—Tb1 | 167.12 (17) | Tb1—N3—C14—C13 | −6.0 (4) |
| O1—K1—O3—Tb1 | 22.31 (8) | O6—C13—C14—N3 | −169.3 (4) |
| O5i—K1—O3—Tb1 | −103.24 (11) | O5—C13—C14—N3 | 9.9 (5) |
| O8i—K1—O3—Tb1 | −68.14 (8) | K1ii—C13—C14—N3 | −48.9 (10) |
| O6i—K1—O3—Tb1 | −149.9 (2) | O6—C13—C14—C15 | 13.0 (6) |
| C13i—K1—O3—Tb1 | −112.70 (15) | O5—C13—C14—C15 | −167.9 (4) |
| O2—K1—O3—Tb1 | 18.03 (11) | K1ii—C13—C14—C15 | 133.4 (8) |
| C1—K1—O3—Tb1 | 14.40 (11) | N3—C14—C15—C16 | −1.0 (6) |
| Tb1i—K1—O3—Tb1 | −87.37 (8) | C13—C14—C15—C16 | 176.6 (4) |
| O7i—Tb1—O5—C13 | 70.9 (3) | C14—C15—C16—C17 | 0.9 (7) |
| O3—Tb1—O5—C13 | −15.9 (4) | C15—C16—C17—C18 | 0.2 (7) |
| O1—Tb1—O5—C13 | 125.9 (3) | C16—C17—C18—N3 | −1.3 (7) |
| O8—Tb1—O5—C13 | −142.4 (3) | C14—N3—C18—C17 | 1.2 (5) |
| N2—Tb1—O5—C13 | −64.8 (3) | Tb1—N3—C18—C17 | −169.1 (3) |
| N4—Tb1—O5—C13 | −123.9 (3) | Tb1ii—O7—C19—O8 | −49.3 (6) |
| N1—Tb1—O5—C13 | 140.1 (3) | Tb1ii—O7—C19—C20 | 132.6 (4) |
| N3—Tb1—O5—C13 | 5.1 (3) | Tb1—O8—C19—O7 | −170.3 (2) |
| K1—Tb1—O5—C13 | 56.5 (4) | K1ii—O8—C19—O7 | −9.9 (4) |
| K1ii—Tb1—O5—C13 | −148.2 (4) | Tb1—O8—C19—C20 | 7.8 (4) |
| O7i—Tb1—O5—K1ii | −140.81 (13) | K1ii—O8—C19—C20 | 168.2 (2) |
| O3—Tb1—O5—K1ii | 132.34 (12) | C24—N4—C20—C21 | −0.7 (6) |
| O1—Tb1—O5—K1ii | −85.86 (18) | Tb1—N4—C20—C21 | 178.0 (3) |
| O8—Tb1—O5—K1ii | 5.88 (10) | C24—N4—C20—C19 | 175.1 (3) |
| N2—Tb1—O5—K1ii | 83.41 (13) | Tb1—N4—C20—C19 | −6.2 (4) |
| N4—Tb1—O5—K1ii | 24.35 (19) | O7—C19—C20—N4 | 178.1 (3) |
| N1—Tb1—O5—K1ii | −71.65 (13) | O8—C19—C20—N4 | −0.1 (5) |
| N3—Tb1—O5—K1ii | 153.31 (15) | O7—C19—C20—C21 | −5.9 (5) |
| K1—Tb1—O5—K1ii | −155.24 (5) | O8—C19—C20—C21 | 175.9 (3) |
| O5—Tb1—O8—C19 | 156.5 (3) | N4—C20—C21—C22 | 0.2 (6) |
| O7i—Tb1—O8—C19 | −149.0 (2) | C19—C20—C21—C22 | −175.4 (4) |
| O3—Tb1—O8—C19 | 26.3 (3) | C20—C21—C22—C23 | −0.1 (7) |
| O1—Tb1—O8—C19 | −63.1 (3) | C21—C22—C23—C24 | 0.6 (7) |
| N2—Tb1—O8—C19 | 67.3 (3) | C20—N4—C24—C23 | 1.3 (6) |
| N4—Tb1—O8—C19 | −7.9 (2) | Tb1—N4—C24—C23 | −177.3 (3) |
| N1—Tb1—O8—C19 | −118.6 (3) | C22—C23—C24—N4 | −1.2 (7) |
| N3—Tb1—O8—C19 | 122.2 (3) |
| Symmetry codes: (i) x−y, −y+1, −z; (ii) x−y+1, −y+1, −z. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| O1W—H1W···O4 | 0.84 | 2.09 | 2.858 (4) | 151.9 |
| O2W—H2W···O6ii | 0.85 | 2.48 | 3.219 (5) | 146.2 |
| O3W—H3WA···O6iii | 0.86 | 2.09 | 2.647 (5) | 121.4 |
| O4W—H4WB···O2iv | 0.86 | 1.92 | 2.711 (6) | 151.9 |
| O5W—H5W···O4W | 0.85 | 2.34 | 3.080 (13) | 144.9 |
| Symmetry codes: (ii) x−y+1, −y+1, −z; (iii) y−1, −x+y, z+1/6; (iv) x+1, y, z. |
| Tb1—O1 | 2.380 (2) | Tb1—N4 | 2.626 (3) |
| Tb1—O3 | 2.354 (2) | K1—O1 | 2.676 (3) |
| Tb1—O5 | 2.333 (2) | K1—O2 | 3.208 (4) |
| Tb1—O7i | 2.352 (3) | K1—O3 | 2.972 (2) |
| Tb1—O8 | 2.385 (3) | K1—O5i | 2.725 (3) |
| Tb1—N1 | 2.640 (3) | K1—O6i | 2.985 (4) |
| Tb1—N2 | 2.575 (3) | K1—O8i | 2.959 (2) |
| Tb1—N3 | 2.736 (4) | K1—O3W | 2.661 (5) |
| Symmetry codes: (i) x−y, −y+1, −z. |
| D—H···A | D—H | H···A | D···A | D—H···A |
| O1W—H1W···O4 | 0.84 | 2.09 | 2.858 (4) | 151.9 |
| O2W—H2W···O6ii | 0.85 | 2.48 | 3.219 (5) | 146.2 |
| O3W—H3WA···O6iii | 0.86 | 2.09 | 2.647 (5) | 121.4 |
| O4W—H4WB···O2iv | 0.86 | 1.92 | 2.711 (6) | 151.9 |
| O5W—H5W···O4W | 0.85 | 2.34 | 3.080 (13) | 144.9 |
| Symmetry codes: (ii) x−y+1, −y+1, −z; (iii) y−1, −x+y, z+1/6; (iv) x+1, y, z. |
The authors are grateful to Fundação para a Ciência e a Tecnologia (FCT, Portugal) for general financial support (grant No. POCI-PPCDT/QUI/58377/2004 supported by FEDER), for specific funding towards the purchase of the single-crystal diffractometer and also for the post-doctoral research grants referenced as SFRH/BPD/14410/2003 (to LC—S) and SFRH/BPD/14954/2004 (to PCRS-S).
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In the last years research on multidimensional Metal-Organic Frameworks (MOFs), or coordination polymers, has received a remarkable interest as consequence of the their fascinating structural architectures which, in many cases, are also associated with interesting potential applications (e.g., gas storage, separation, catalysis, guest exchange, magnetic or optical sensors). Following our ongoing research focused on the preparation and structural characterization of these interesting compounds (for recent examples see: Shi et al., 2008; Cunha-Silva et al., 2007; Paz & Klinowski, 2007; Soares-Santos et al., 2006; Paz et al., 2005), we report in this short communication the crystalline structure of the title compound, K2[Tb2(pic)6(µ-pic)2].7(H2O) [where pic- stands for the picolinate anion, C6H4NO2-].
The crystalline structure of the title compound contains a single crystallographically independent Tb3+site, Tb1, which is coordinated to four N and five O-donor atoms belonging to five distinct picolinate anionic (pic-) ligands, with a nine-coordination sphere {TbN4O5} resembling a highly distorted tricapped trigonal prism (Figure 1). The Tb—O and Tb—N bond distances are found in the 2.333 (2)–2.385 (3) Å and 2.575 (3)–2.736 (4) Å, respectively. The O—Tb—O, O—Tb—N and N—Tb—N angles are ranging from 68.75 (9) to 142.62 (9)°, 62.59 (10) to 142.63 (9)° and 69.62 (10) to 150.65 (10)°, respectively (see Figure 1 and Table 1).
As usually found in related compounds (see for example: Soares-Santos et al., 2006; Sendor et al., 2003; Starynowicz, 1993; Jian-Fang et al., 1996), all pic- ligands are coordinated to the Tb3+ metal centre via the typical N,O-chelation mode (Figure 1). Furthermore, one pic- establishes a skew-bridge (through the O7 atom; Figure 1) with a neighbouring Tb3+, thus completing the nine-coordination environment of the lanthanide centre and leading to the formation of the one-dimensional (one-dimensional) anionic coordination polymer (chain), [Tb2(pic)6(µ-pic)2]n2n-, running along the [010] direction (Figure 2). The skew-bridge is also responsible for the zigzag distribution of the Tb3+centres along the aforementioned crystallographic direction, imposing an intermetallic Tb1···Tb1i distance of 6.4375 (4) Å [symmetry code: (i) 1 + x-y, 1 - y, -z]. Adjacent polymers close pack along the [001] direction of the unit cell with an arrangement resembling a layered-like structure. The water molecules of crystallization and the potassion cations are housed in the interchain empty spaces (Figure 2c with the K+ cations being omitted for clarity).