metal-organic compounds
Diethyl(μ3-2-methyl-4-oxo-4H-pyran-3-olato-κ4O3,O4:O3:O3)tris(μ2-2-methyl-4-oxo-4H-pyran-3-olato-κ3O3,O4:O3)trizinc toluene disolvate
aFaculty of Chemistry, University of Wroclaw, 50-383 Wroclaw, 14 F. Joliot-Curie, Poland
*Correspondence e-mail: piotr.sobota@chem.uni.wroc.pl
The title compound, [Zn3(C2H5)2(C6H5O3)4]·2C7H8, crystallizes with one complex molecule solvated by two molecules of toluene in the The ZnII ions are coordinated by two terminal ethyl (Et) groups and four maltolate ligands, which act as μ3- and μ2-bridges. The metal atoms are arranged in an incomplete cubane Zn3O4 core structure, derived from one EtZnO3 tetrahedron, one EtZnO4 bipyramid and one ZnO6 octahedron, sharing common corners. The structure is stabilized by weak C—H⋯O and C—H⋯π interactions.
Related literature
For general background to zinc–maltolate complexes, see: Ahmed et al. (2000); Petrus & Sobota (2012a,b). For biological activity, see: Thompson et al. (2004, 2006). For of cyclic see: Chamberlain et al. (2001). For material chemistry, see: Boyle et al. (2004); Kaplunov et al. (2012). For incomplete cubane Zn3O4 core topology, see: Maxim et al. (2008); Romero et al. (2010). For the continuous shape measure, see: Alvarez et al. (2002).
Experimental
Crystal data
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Data collection: CrysAlis CCD (Oxford Diffraction, 2007); cell CrysAlis RED (Oxford Diffraction, 2007); data reduction: CrysAlis RED; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: SHELXL97.
Supporting information
https://doi.org/10.1107/S1600536813010064/aa2088sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536813010064/aa2088Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536813010064/aa2088Isup3.cdx
The title compound was prepared by a procedure similar to that described in our earlier work (Petrus & Sobota, 2012a). Single crystals for XRD analysis were obtained from the concentrated mother liquor at room temperature. 1H NMR (C6D6, 500 MHz): δ 6.60 (4H, d, J = 5.1 Hz, CH, MalO), 6.02 (4H, d, J = 5.1 Hz, CH, MalO), 2.43 (s, 12H, CH3, MalO), 1.50 (6H, t, J = 7.9 Hz, CH3, Et), 0.61 (4H, k, J = 7.9, CH2, Et). 13C NMR (C6D6, 125 MHz): δ 178. 6 (4 C, C=O, MalO), 152.9 (4 C, CH, MalO), 152.2 - 149.9 (8 C, C—CH3, C—O, MalO), 111.5 (4 C, CH, MalO), 15.5 (4 C, CH3, MalO), 13.3 (2 C, CH3, Et), 0.1 (2 C, CH2, Et). FTIR-ATR (solid state): 2938 (w), 2921 (w), 2887 (w), 2851 (w), 1621 (m), 1614 (m), 1580 (s), 1536 (m), 1518 (s), 1457 (m), 1386 (w), 1363 (w), 1310 (w), 1287 (m), 1204 (s), 1234 (m), 1211 (m), 1191 (s), 1083 (w), 1042 (w), 984 (w), 946 (w), 852 (s), 832 (s), 763 (m), 719 (m), 708 (m), 607 (m), 591 (m), 586 (m), 546 (s), 529 (s), 510 (m), 499 (m), 484 (w), 406 (m). FTIR-ATR (toluene solution): 2940 (w), 2914 (w), 2890 (w), 2845 (w),1610 (m), 1589 (s), 1524 (m), 1495 (w), 1461 (m), 1390 (w), 1361 (w), 1281 (s), 1240 (w), 1202 (m), 1084 (w), 1040 (w), 922 (m), 852 (m), 830 (m), 762 (w), 590 (w), 544 (m), 463 (s), 440 (m), 409 (m), 401 (m).
Reported crystal showed weak reflections, especially at high diffraction angle, so these were omitted from the θ > 27°. All non-H atoms, were refined anisotropically. All H atoms were geometrically positioned and treated as riding on their parent atoms, with C—H = 0.95 Å for the aromatic, 0.98 Å for the methyl and 0.99 Å for the methylene with Uiso(H) = 1.5 Ueq(C) for methyl H atoms or 1.2 Ueq(C) otherwise.
forIn recent years alkoxo zinc complexes have attracted much attention for their use as initiators for the
of cyclic (Chamberlain et al., 2001), metallotherapeutic drugs (Thompson et al., 2006), and precursors of electroluminescent (Kaplunov et al., 2012) and ceramic materials (Boyle et al., 2004). In this contects have also been investigated so for related zinc–maltolate complexes (Ahmed et al., 2000; Thompson et al., 2004; Petrus & Sobota, 2012a, 2012b).We describe here the solid state structure of zinc complex [Zn3(Et)2(MalO)4] (where MalOH = maltol), solvated by two molecules of toluene, (Fig. 1). The title zinc alkoxide has been previously reported in the monosolvated form [Zn3(Et)2(MalO)4].C7H8, which crystallizes in the triclinic 1 (Petrus & Sobota, 2012a). The molecular structure comprises a trimer, containing incomplete cubane Zn3O4 core structure with different coordination modes around each zinc atoms (Maxim et al., 2008; Romero et al., 2010). The Zn1 ion is coordinated in a tetrahedral manner to one ethyl and two maltolate ligands in a monodentate coordination mode through atoms O11 and O17. The Zn2 atom is five-coordinated with EtZnO4 enviroment, comprise with zinc bonded ethyl group and three alkoxy (O3, O11, O23) and one carbonyl (O12) oxygen atoms from three maltolate ligands. The geometry around the Zn2 centre can be considered as distored trigonal bipyramid, as confirmed by the metric shape parameters S(Oh) = 3.59 (Alvarez et al., 2002). The Zn3 ion is six-coordinated by three maltolate ligands in a bidentate chelating mode through the O atoms of alkoxy and carbonyl groups, forming five-membered Zn3/O3/C3/C4/O4, Zn3/O17/C17/C18/O18 and Zn3/O23/C23/C24/O24 chelate rings. The first of these metallacycles is twisted about the Zn3—O3 bond, while the rest have a conformation based on an envelope with the Zn3 atom as the envelope flap. The unsual elongated Zn2—O3 bond, i.e. by about 0.56 Å from the average Zn—O bond lengths within the Zn2O2 diamond cores, results in a high deformation of the central core geometry (Table 1). The title complex shows weak intermolecular C—H···O interactions between the trinuclear units and adjacent molecules to link them into extended chain (Table 2). The trinuclear cluster is also stabilized by C—H···π interactions with solvent molecules (Table 2).
PFor general background to zinc–maltolate complexes, see: Ahmed et al. (2000); Petrus & Sobota (2012a,b). For biological activity, see: Thompson et al. (2004, 2006). For
of cyclic see: Chamberlain et al. (2001). For material chemistry, see: Boyle et al. (2004); Kaplunov et al. (2012). For incomplete cubane Zn3O4 core topology, see: Maxim et al. (2008); Romero et al. (2010). For the continuous shape measure, see: Alvarez et al. (2002).Data collection: CrysAlis CCD (Oxford Diffraction, 2007); cell
CrysAlis RED (Oxford Diffraction, 2007); data reduction: CrysAlis RED (Oxford Diffraction, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. Molecular structure and atom-numbering scheme for (I), with displacement ellipsoids drawn at the 30% probability level. H atoms are omitted. |
[Zn3(C2H5)2(C6H5O3)4]·2C7H8 | F(000) = 1936 |
Mr = 938.96 | Dx = 1.488 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 21726 reflections |
a = 10.125 (3) Å | θ = 2.9–36.8° |
b = 11.949 (4) Å | µ = 1.76 mm−1 |
c = 34.653 (6) Å | T = 100 K |
β = 90.20 (2)° | Plate, colourless |
V = 4192 (2) Å3 | 0.43 × 0.37 × 0.09 mm |
Z = 4 |
KUMA KM4 CCD κ-geometry diffractometer | 9131 independent reflections |
Radiation source: fine-focus sealed tube | 7444 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.042 |
ω scans | θmax = 27.0°, θmin = 2.9° |
Absorption correction: analytical (CrysAlis RED; Oxford Diffraction, 2007) | h = −12→10 |
Tmin = 0.580, Tmax = 0.883 | k = −15→15 |
45983 measured reflections | l = −44→44 |
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)] = 0.029 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.066 | H-atom parameters constrained |
S = 1.04 | w = 1/[σ2(Fo2) + (0.034P)2 + 0.8469P] where P = (Fo2 + 2Fc2)/3 |
9131 reflections | (Δ/σ)max = 0.001 |
521 parameters | Δρmax = 0.37 e Å−3 |
0 restraints | Δρmin = −0.32 e Å−3 |
[Zn3(C2H5)2(C6H5O3)4]·2C7H8 | V = 4192 (2) Å3 |
Mr = 938.96 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 10.125 (3) Å | µ = 1.76 mm−1 |
b = 11.949 (4) Å | T = 100 K |
c = 34.653 (6) Å | 0.43 × 0.37 × 0.09 mm |
β = 90.20 (2)° |
KUMA KM4 CCD κ-geometry diffractometer | 9131 independent reflections |
Absorption correction: analytical (CrysAlis RED; Oxford Diffraction, 2007) | 7444 reflections with I > 2σ(I) |
Tmin = 0.580, Tmax = 0.883 | Rint = 0.042 |
45983 measured reflections |
R[F2 > 2σ(F2)] = 0.029 | 0 restraints |
wR(F2) = 0.066 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.37 e Å−3 |
9131 reflections | Δρmin = −0.32 e Å−3 |
521 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 | ||
Zn1 | 0.26829 (2) | 0.439724 (18) | 0.134257 (6) | 0.01407 (6) | |
Zn2 | 0.07663 (2) | 0.667285 (19) | 0.125066 (6) | 0.01503 (6) | |
Zn3 | −0.00952 (2) | 0.432645 (18) | 0.174372 (6) | 0.01362 (6) | |
C1 | 0.3874 (2) | 0.32296 (17) | 0.11435 (6) | 0.0209 (4) | |
H1A | 0.4283 | 0.3494 | 0.0901 | 0.025* | |
H1B | 0.4591 | 0.3096 | 0.1333 | 0.025* | |
C2 | 0.3140 (2) | 0.21269 (18) | 0.10668 (7) | 0.0285 (5) | |
H2A | 0.2808 | 0.1825 | 0.1311 | 0.043* | |
H2B | 0.3745 | 0.1587 | 0.0949 | 0.043* | |
H2C | 0.2396 | 0.2265 | 0.0891 | 0.043* | |
O3 | 0.07472 (13) | 0.44813 (11) | 0.11915 (4) | 0.0157 (3) | |
C3 | −0.00764 (19) | 0.41008 (15) | 0.09213 (6) | 0.0152 (4) | |
O4 | −0.16934 (14) | 0.38637 (12) | 0.14003 (4) | 0.0201 (3) | |
C4 | −0.1390 (2) | 0.37953 (16) | 0.10493 (6) | 0.0179 (4) | |
C5 | −0.2278 (2) | 0.34243 (18) | 0.07548 (7) | 0.0254 (5) | |
H5 | −0.3158 | 0.3223 | 0.0819 | 0.030* | |
O6 | −0.06397 (16) | 0.36316 (13) | 0.02767 (4) | 0.0270 (4) | |
C6 | −0.1873 (2) | 0.33606 (19) | 0.03896 (7) | 0.0293 (5) | |
H6 | −0.2483 | 0.3112 | 0.0199 | 0.035* | |
C7 | 0.0255 (2) | 0.40088 (17) | 0.05440 (6) | 0.0194 (4) | |
C8 | 0.1551 (2) | 0.4300 (2) | 0.03700 (6) | 0.0262 (5) | |
H8A | 0.1874 | 0.5002 | 0.0482 | 0.039* | |
H8B | 0.1446 | 0.4389 | 0.0090 | 0.039* | |
H8C | 0.2186 | 0.3700 | 0.0423 | 0.039* | |
C9 | −0.0003 (2) | 0.71116 (18) | 0.07464 (6) | 0.0202 (4) | |
H9A | 0.0111 | 0.7930 | 0.0715 | 0.024* | |
H9B | 0.0515 | 0.6744 | 0.0540 | 0.024* | |
C10 | −0.1464 (2) | 0.68336 (18) | 0.06817 (7) | 0.0251 (5) | |
H10A | −0.1582 | 0.6020 | 0.0681 | 0.038* | |
H10B | −0.1753 | 0.7140 | 0.0433 | 0.038* | |
H10C | −0.1991 | 0.7163 | 0.0889 | 0.038* | |
O11 | 0.26890 (13) | 0.60774 (11) | 0.13393 (4) | 0.0150 (3) | |
C11 | 0.34341 (19) | 0.67853 (16) | 0.15465 (5) | 0.0146 (4) | |
O12 | 0.15748 (14) | 0.79574 (12) | 0.15965 (4) | 0.0202 (3) | |
C12 | 0.2768 (2) | 0.77899 (16) | 0.16820 (6) | 0.0165 (4) | |
C13 | 0.3531 (2) | 0.85483 (17) | 0.19089 (6) | 0.0199 (4) | |
H13 | 0.3139 | 0.9210 | 0.2008 | 0.024* | |
O14 | 0.54237 (14) | 0.74190 (12) | 0.18397 (4) | 0.0212 (3) | |
C14 | 0.4807 (2) | 0.83225 (18) | 0.19817 (6) | 0.0219 (4) | |
H14 | 0.5293 | 0.8824 | 0.2140 | 0.026* | |
C15 | 0.4750 (2) | 0.66578 (17) | 0.16155 (6) | 0.0186 (4) | |
C16 | 0.5656 (2) | 0.57722 (19) | 0.14690 (7) | 0.0253 (5) | |
H16A | 0.5142 | 0.5198 | 0.1333 | 0.038* | |
H16B | 0.6128 | 0.5430 | 0.1686 | 0.038* | |
H16C | 0.6295 | 0.6106 | 0.1291 | 0.038* | |
O17 | 0.19558 (13) | 0.42416 (11) | 0.18968 (4) | 0.0149 (3) | |
C17 | 0.2217 (2) | 0.32733 (17) | 0.20767 (5) | 0.0176 (4) | |
O18 | 0.00872 (14) | 0.26406 (11) | 0.19152 (4) | 0.0200 (3) | |
C18 | 0.1169 (2) | 0.24472 (17) | 0.20831 (6) | 0.0190 (4) | |
C19 | 0.1442 (2) | 0.14328 (18) | 0.22914 (6) | 0.0271 (5) | |
H19 | 0.0790 | 0.0863 | 0.2307 | 0.033* | |
O20 | 0.35898 (17) | 0.20517 (13) | 0.24421 (4) | 0.0298 (4) | |
C20 | 0.2613 (3) | 0.12923 (19) | 0.24636 (7) | 0.0306 (5) | |
H20 | 0.2761 | 0.0627 | 0.2607 | 0.037* | |
C21 | 0.3390 (2) | 0.30395 (17) | 0.22475 (6) | 0.0230 (5) | |
C22 | 0.4570 (2) | 0.3771 (2) | 0.22506 (7) | 0.0304 (5) | |
H22A | 0.4349 | 0.4493 | 0.2133 | 0.046* | |
H22B | 0.5280 | 0.3415 | 0.2103 | 0.046* | |
H22C | 0.4863 | 0.3889 | 0.2517 | 0.046* | |
O23 | −0.03074 (13) | 0.60477 (11) | 0.16908 (4) | 0.0158 (3) | |
C23 | −0.10381 (18) | 0.64703 (16) | 0.19743 (5) | 0.0141 (4) | |
O24 | −0.09670 (14) | 0.46957 (12) | 0.22689 (4) | 0.0195 (3) | |
C24 | −0.13606 (19) | 0.57043 (17) | 0.22846 (6) | 0.0161 (4) | |
C25 | −0.2127 (2) | 0.61392 (18) | 0.25957 (6) | 0.0198 (4) | |
H25 | −0.2360 | 0.5672 | 0.2807 | 0.024* | |
O26 | −0.22396 (13) | 0.79036 (11) | 0.22951 (4) | 0.0173 (3) | |
C26 | −0.2517 (2) | 0.72161 (18) | 0.25875 (6) | 0.0206 (4) | |
H26 | −0.3010 | 0.7499 | 0.2799 | 0.025* | |
C27 | −0.15229 (18) | 0.75339 (17) | 0.19842 (6) | 0.0149 (4) | |
C28 | −0.1401 (2) | 0.84188 (17) | 0.16854 (6) | 0.0194 (4) | |
H28A | −0.0715 | 0.8953 | 0.1763 | 0.029* | |
H28B | −0.2247 | 0.8811 | 0.1658 | 0.029* | |
H28C | −0.1162 | 0.8077 | 0.1438 | 0.029* | |
C29 | 0.3482 (2) | 0.8605 (2) | 0.02648 (7) | 0.0295 (5) | |
C30 | 0.3451 (2) | 0.7731 (2) | 0.05304 (7) | 0.0331 (6) | |
H30 | 0.2861 | 0.7774 | 0.0743 | 0.040* | |
C31 | 0.4249 (3) | 0.6811 (2) | 0.04938 (7) | 0.0368 (6) | |
H31 | 0.4203 | 0.6224 | 0.0678 | 0.044* | |
C32 | 0.5119 (3) | 0.6737 (2) | 0.01900 (8) | 0.0355 (6) | |
H32 | 0.5677 | 0.6102 | 0.0164 | 0.043* | |
C33 | 0.5172 (2) | 0.7596 (2) | −0.00775 (7) | 0.0314 (5) | |
H33 | 0.5775 | 0.7551 | −0.0286 | 0.038* | |
C34 | 0.4361 (2) | 0.8516 (2) | −0.00441 (7) | 0.0282 (5) | |
H34 | 0.4398 | 0.9093 | −0.0232 | 0.034* | |
C35 | 0.2573 (3) | 0.9597 (2) | 0.03019 (9) | 0.0462 (7) | |
H35A | 0.1696 | 0.9399 | 0.0202 | 0.069* | |
H35B | 0.2928 | 1.0226 | 0.0154 | 0.069* | |
H35C | 0.2502 | 0.9810 | 0.0574 | 0.069* | |
C36 | 0.8257 (2) | 0.05574 (18) | 0.10456 (7) | 0.0250 (5) | |
C37 | 0.7762 (2) | −0.02873 (18) | 0.08076 (6) | 0.0252 (5) | |
H37 | 0.8321 | −0.0612 | 0.0618 | 0.030* | |
C38 | 0.6478 (2) | −0.06617 (19) | 0.08413 (7) | 0.0275 (5) | |
H38 | 0.6160 | −0.1240 | 0.0678 | 0.033* | |
C39 | 0.5654 (2) | −0.01900 (19) | 0.11148 (7) | 0.0286 (5) | |
H39 | 0.4772 | −0.0448 | 0.1141 | 0.034* | |
C40 | 0.6122 (2) | 0.06595 (19) | 0.13505 (7) | 0.0289 (5) | |
H40 | 0.5555 | 0.0988 | 0.1537 | 0.035* | |
C41 | 0.7414 (2) | 0.10325 (18) | 0.13158 (7) | 0.0269 (5) | |
H41 | 0.7725 | 0.1618 | 0.1478 | 0.032* | |
C42 | 0.9677 (2) | 0.0922 (2) | 0.10165 (8) | 0.0359 (6) | |
H42A | 0.9839 | 0.1235 | 0.0759 | 0.054* | |
H42B | 1.0257 | 0.0277 | 0.1059 | 0.054* | |
H42C | 0.9860 | 0.1493 | 0.1213 | 0.054* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Zn1 | 0.01236 (11) | 0.01449 (11) | 0.01537 (11) | 0.00109 (9) | 0.00032 (8) | −0.00205 (9) |
Zn2 | 0.01327 (12) | 0.01753 (11) | 0.01428 (11) | −0.00031 (9) | −0.00046 (9) | 0.00250 (9) |
Zn3 | 0.01395 (12) | 0.01278 (11) | 0.01416 (11) | 0.00048 (9) | 0.00176 (9) | 0.00036 (9) |
C1 | 0.0158 (10) | 0.0227 (10) | 0.0240 (11) | 0.0039 (8) | −0.0001 (8) | −0.0043 (9) |
C2 | 0.0307 (13) | 0.0210 (11) | 0.0338 (13) | 0.0052 (9) | −0.0031 (10) | −0.0048 (10) |
O3 | 0.0131 (7) | 0.0216 (7) | 0.0124 (7) | −0.0006 (6) | −0.0025 (5) | −0.0028 (5) |
C3 | 0.0160 (10) | 0.0111 (9) | 0.0186 (10) | 0.0017 (7) | −0.0047 (8) | −0.0006 (7) |
O4 | 0.0168 (7) | 0.0197 (7) | 0.0237 (8) | −0.0030 (6) | −0.0002 (6) | −0.0001 (6) |
C4 | 0.0177 (10) | 0.0131 (9) | 0.0230 (11) | −0.0002 (8) | −0.0026 (8) | 0.0014 (8) |
C5 | 0.0210 (11) | 0.0230 (11) | 0.0320 (12) | −0.0063 (9) | −0.0102 (9) | 0.0027 (9) |
O6 | 0.0325 (9) | 0.0313 (9) | 0.0170 (7) | −0.0058 (7) | −0.0088 (7) | −0.0038 (6) |
C6 | 0.0306 (13) | 0.0288 (12) | 0.0282 (12) | −0.0093 (10) | −0.0140 (10) | 0.0015 (10) |
C7 | 0.0220 (11) | 0.0178 (10) | 0.0183 (10) | 0.0012 (8) | −0.0056 (8) | −0.0020 (8) |
C8 | 0.0291 (12) | 0.0324 (12) | 0.0173 (10) | 0.0035 (10) | 0.0022 (9) | 0.0002 (9) |
C9 | 0.0198 (11) | 0.0247 (11) | 0.0160 (10) | 0.0031 (9) | −0.0001 (8) | 0.0042 (8) |
C10 | 0.0257 (12) | 0.0233 (11) | 0.0264 (11) | 0.0014 (9) | −0.0072 (9) | −0.0015 (9) |
O11 | 0.0109 (7) | 0.0157 (7) | 0.0184 (7) | −0.0018 (5) | −0.0008 (5) | −0.0006 (6) |
C11 | 0.0138 (10) | 0.0153 (9) | 0.0148 (9) | −0.0028 (7) | −0.0001 (7) | 0.0014 (8) |
O12 | 0.0147 (7) | 0.0196 (7) | 0.0261 (8) | 0.0007 (6) | −0.0015 (6) | −0.0029 (6) |
C12 | 0.0182 (11) | 0.0171 (10) | 0.0144 (10) | −0.0029 (8) | 0.0020 (8) | 0.0016 (8) |
C13 | 0.0219 (11) | 0.0185 (10) | 0.0193 (10) | −0.0022 (8) | 0.0018 (8) | −0.0032 (8) |
O14 | 0.0150 (7) | 0.0229 (7) | 0.0256 (8) | −0.0036 (6) | −0.0036 (6) | −0.0056 (6) |
C14 | 0.0241 (11) | 0.0211 (10) | 0.0205 (10) | −0.0059 (9) | −0.0029 (9) | −0.0043 (9) |
C15 | 0.0183 (10) | 0.0173 (10) | 0.0203 (10) | −0.0039 (8) | −0.0008 (8) | −0.0011 (8) |
C16 | 0.0147 (10) | 0.0264 (11) | 0.0347 (13) | 0.0008 (9) | −0.0007 (9) | −0.0060 (10) |
O17 | 0.0170 (7) | 0.0138 (6) | 0.0137 (6) | 0.0034 (5) | −0.0004 (5) | 0.0014 (5) |
C17 | 0.0243 (11) | 0.0174 (9) | 0.0111 (9) | 0.0057 (8) | 0.0010 (8) | −0.0009 (8) |
O18 | 0.0216 (8) | 0.0155 (7) | 0.0231 (8) | 0.0007 (6) | 0.0042 (6) | 0.0015 (6) |
C18 | 0.0260 (11) | 0.0173 (10) | 0.0137 (10) | 0.0051 (8) | 0.0047 (8) | −0.0006 (8) |
C19 | 0.0399 (14) | 0.0179 (11) | 0.0235 (11) | 0.0056 (10) | 0.0046 (10) | 0.0038 (9) |
O20 | 0.0405 (10) | 0.0263 (8) | 0.0225 (8) | 0.0156 (7) | −0.0096 (7) | 0.0010 (7) |
C20 | 0.0505 (16) | 0.0174 (10) | 0.0237 (12) | 0.0106 (11) | −0.0001 (11) | 0.0026 (9) |
C21 | 0.0311 (12) | 0.0201 (10) | 0.0177 (10) | 0.0083 (9) | −0.0054 (9) | −0.0027 (8) |
C22 | 0.0270 (12) | 0.0299 (12) | 0.0342 (13) | 0.0073 (10) | −0.0144 (10) | −0.0065 (10) |
O23 | 0.0177 (7) | 0.0149 (7) | 0.0147 (7) | 0.0028 (5) | 0.0049 (6) | 0.0015 (5) |
C23 | 0.0090 (9) | 0.0184 (10) | 0.0150 (9) | −0.0008 (7) | 0.0000 (7) | −0.0014 (8) |
O24 | 0.0223 (8) | 0.0193 (7) | 0.0169 (7) | 0.0030 (6) | 0.0048 (6) | 0.0028 (6) |
C24 | 0.0132 (9) | 0.0188 (10) | 0.0163 (9) | −0.0014 (8) | −0.0018 (7) | −0.0006 (8) |
C25 | 0.0182 (11) | 0.0241 (11) | 0.0171 (10) | −0.0003 (9) | 0.0044 (8) | 0.0015 (8) |
O26 | 0.0150 (7) | 0.0179 (7) | 0.0190 (7) | 0.0029 (6) | 0.0010 (6) | −0.0044 (6) |
C26 | 0.0150 (10) | 0.0285 (11) | 0.0183 (10) | 0.0000 (9) | 0.0052 (8) | −0.0026 (9) |
C27 | 0.0105 (9) | 0.0195 (10) | 0.0148 (9) | 0.0007 (7) | −0.0004 (7) | −0.0032 (8) |
C28 | 0.0201 (11) | 0.0172 (10) | 0.0210 (10) | 0.0038 (8) | 0.0000 (8) | 0.0010 (8) |
C29 | 0.0227 (12) | 0.0364 (13) | 0.0294 (12) | −0.0093 (10) | −0.0032 (10) | −0.0091 (10) |
C30 | 0.0246 (13) | 0.0540 (16) | 0.0207 (12) | −0.0184 (12) | 0.0021 (10) | −0.0016 (11) |
C31 | 0.0337 (14) | 0.0446 (15) | 0.0320 (13) | −0.0161 (12) | −0.0077 (11) | 0.0113 (12) |
C32 | 0.0314 (14) | 0.0349 (14) | 0.0402 (14) | −0.0051 (11) | −0.0056 (11) | −0.0021 (12) |
C33 | 0.0289 (13) | 0.0415 (14) | 0.0239 (12) | −0.0087 (11) | 0.0044 (10) | −0.0045 (10) |
C34 | 0.0299 (13) | 0.0310 (13) | 0.0235 (12) | −0.0104 (10) | 0.0000 (10) | −0.0002 (10) |
C35 | 0.0398 (16) | 0.0420 (16) | 0.0568 (19) | −0.0031 (12) | 0.0046 (14) | −0.0095 (14) |
C36 | 0.0293 (12) | 0.0181 (10) | 0.0276 (12) | 0.0028 (9) | −0.0015 (10) | 0.0070 (9) |
C37 | 0.0304 (13) | 0.0219 (11) | 0.0233 (11) | 0.0063 (9) | −0.0013 (10) | 0.0035 (9) |
C38 | 0.0315 (13) | 0.0234 (11) | 0.0276 (12) | 0.0011 (10) | −0.0095 (10) | 0.0020 (10) |
C39 | 0.0260 (13) | 0.0274 (12) | 0.0324 (13) | −0.0006 (10) | −0.0058 (10) | 0.0094 (10) |
C40 | 0.0330 (13) | 0.0253 (11) | 0.0284 (12) | 0.0083 (10) | 0.0023 (10) | 0.0063 (10) |
C41 | 0.0346 (13) | 0.0185 (11) | 0.0277 (12) | −0.0007 (9) | −0.0021 (10) | 0.0022 (9) |
C42 | 0.0327 (14) | 0.0298 (13) | 0.0451 (15) | −0.0042 (10) | 0.0025 (12) | −0.0003 (11) |
Zn1—C1 | 1.971 (2) | C17—C21 | 1.355 (3) |
Zn1—O3 | 2.0293 (14) | C17—C18 | 1.449 (3) |
Zn1—O11 | 2.0077 (15) | O18—C18 | 1.260 (3) |
Zn1—O17 | 2.0675 (14) | C18—C19 | 1.437 (3) |
Zn2—C9 | 1.981 (2) | C19—C20 | 1.336 (4) |
Zn2—O11 | 2.0943 (14) | C19—H19 | 0.9500 |
Zn2—O12 | 2.1109 (15) | O20—C20 | 1.345 (3) |
Zn2—O23 | 2.0193 (14) | O20—C21 | 1.374 (3) |
Zn2—O3 | 2.6270 (15) | C20—H20 | 0.9500 |
Zn3—O3 | 2.1060 (14) | C21—C22 | 1.480 (3) |
Zn3—O4 | 2.0802 (15) | C22—H22A | 0.9800 |
Zn3—O23 | 2.0759 (15) | C22—H22B | 0.9800 |
Zn3—O24 | 2.0729 (14) | C22—H22C | 0.9800 |
Zn3—O17 | 2.1439 (15) | O23—C23 | 1.331 (2) |
Zn3—O18 | 2.1081 (15) | C23—C27 | 1.363 (3) |
Zn1—Zn3 | 3.1430 (9) | C23—C24 | 1.450 (3) |
C1—C2 | 1.536 (3) | O24—C24 | 1.271 (2) |
C1—H1A | 0.9900 | C24—C25 | 1.428 (3) |
C1—H1B | 0.9900 | C25—C26 | 1.346 (3) |
C2—H2A | 0.9800 | C25—H25 | 0.9500 |
C2—H2B | 0.9800 | O26—C26 | 1.335 (2) |
C2—H2C | 0.9800 | O26—C27 | 1.374 (2) |
O3—C3 | 1.332 (2) | C26—H26 | 0.9500 |
C3—C7 | 1.355 (3) | C27—C28 | 1.486 (3) |
C3—C4 | 1.450 (3) | C28—H28A | 0.9800 |
O4—C4 | 1.258 (2) | C28—H28B | 0.9800 |
C4—C5 | 1.428 (3) | C28—H28C | 0.9800 |
C5—C6 | 1.334 (3) | C29—C30 | 1.392 (4) |
C5—H5 | 0.9500 | C29—C34 | 1.399 (3) |
O6—C6 | 1.349 (3) | C29—C35 | 1.506 (4) |
O6—C7 | 1.369 (2) | C30—C31 | 1.371 (4) |
C6—H6 | 0.9500 | C30—H30 | 0.9500 |
C7—C8 | 1.487 (3) | C31—C32 | 1.378 (4) |
C8—H8A | 0.9800 | C31—H31 | 0.9500 |
C8—H8B | 0.9800 | C32—C33 | 1.384 (4) |
C8—H8C | 0.9800 | C32—H32 | 0.9500 |
C9—C10 | 1.532 (3) | C33—C34 | 1.377 (4) |
C9—H9A | 0.9900 | C33—H33 | 0.9500 |
C9—H9B | 0.9900 | C34—H34 | 0.9500 |
C10—H10A | 0.9800 | C35—H35A | 0.9800 |
C10—H10B | 0.9800 | C35—H35B | 0.9800 |
C10—H10C | 0.9800 | C35—H35C | 0.9800 |
O11—C11 | 1.340 (2) | C36—C41 | 1.391 (3) |
C11—C15 | 1.361 (3) | C36—C37 | 1.395 (3) |
C11—C12 | 1.456 (3) | C36—C42 | 1.506 (3) |
O12—C12 | 1.259 (2) | C37—C38 | 1.381 (3) |
C12—C13 | 1.426 (3) | C37—H37 | 0.9500 |
C13—C14 | 1.342 (3) | C38—C39 | 1.384 (3) |
C13—H13 | 0.9500 | C38—H38 | 0.9500 |
O14—C14 | 1.342 (3) | C39—C40 | 1.385 (3) |
O14—C15 | 1.376 (2) | C39—H39 | 0.9500 |
C14—H14 | 0.9500 | C40—C41 | 1.387 (3) |
C15—C16 | 1.491 (3) | C40—H40 | 0.9500 |
C16—H16A | 0.9800 | C41—H41 | 0.9500 |
C16—H16B | 0.9800 | C42—H42A | 0.9800 |
C16—H16C | 0.9800 | C42—H42B | 0.9800 |
O17—C17 | 1.340 (2) | C42—H42C | 0.9800 |
C1—Zn1—O11 | 134.76 (8) | C15—C16—H16A | 109.5 |
C1—Zn1—O3 | 122.44 (7) | C15—C16—H16B | 109.5 |
O11—Zn1—O3 | 87.25 (5) | H16A—C16—H16B | 109.5 |
C1—Zn1—O17 | 118.81 (8) | C15—C16—H16C | 109.5 |
O11—Zn1—O17 | 95.53 (5) | H16A—C16—H16C | 109.5 |
O3—Zn1—O17 | 84.11 (6) | H16B—C16—H16C | 109.5 |
C1—Zn1—Zn3 | 133.28 (6) | C17—O17—Zn1 | 116.08 (11) |
O11—Zn1—Zn3 | 91.84 (4) | C17—O17—Zn3 | 110.18 (12) |
O3—Zn1—Zn3 | 41.45 (4) | Zn1—O17—Zn3 | 96.53 (6) |
O17—Zn1—Zn3 | 42.66 (4) | O17—C17—C21 | 123.53 (19) |
C9—Zn2—O23 | 123.58 (7) | O17—C17—C18 | 116.88 (18) |
C9—Zn2—O11 | 125.55 (7) | C21—C17—C18 | 119.59 (19) |
O23—Zn2—O11 | 105.43 (6) | C18—O18—Zn3 | 112.37 (13) |
C9—Zn2—O12 | 117.31 (8) | O18—C18—C19 | 123.5 (2) |
O23—Zn2—O12 | 92.80 (6) | O18—C18—C17 | 120.21 (18) |
O11—Zn2—O12 | 78.77 (6) | C19—C18—C17 | 116.3 (2) |
O24—Zn3—O23 | 79.77 (5) | C20—C19—C18 | 119.9 (2) |
O24—Zn3—O4 | 103.06 (6) | C20—C19—H19 | 120.0 |
O23—Zn3—O4 | 97.63 (6) | C18—C19—H19 | 120.0 |
O24—Zn3—O3 | 162.57 (6) | C20—O20—C21 | 119.99 (18) |
O23—Zn3—O3 | 82.81 (5) | C19—C20—O20 | 122.9 (2) |
O4—Zn3—O3 | 79.64 (6) | C19—C20—H20 | 118.6 |
O24—Zn3—O18 | 89.61 (6) | O20—C20—H20 | 118.6 |
O23—Zn3—O18 | 168.68 (5) | C17—C21—O20 | 121.2 (2) |
O4—Zn3—O18 | 88.54 (6) | C17—C21—C22 | 126.0 (2) |
O3—Zn3—O18 | 107.74 (5) | O20—C21—C22 | 112.73 (19) |
O24—Zn3—O17 | 102.00 (6) | C21—C22—H22A | 109.5 |
O23—Zn3—O17 | 99.71 (5) | C21—C22—H22B | 109.5 |
O4—Zn3—O17 | 151.62 (5) | H22A—C22—H22B | 109.5 |
O3—Zn3—O17 | 80.44 (5) | C21—C22—H22C | 109.5 |
O18—Zn3—O17 | 78.54 (5) | H22A—C22—H22C | 109.5 |
O24—Zn3—Zn1 | 140.09 (4) | H22B—C22—H22C | 109.5 |
O23—Zn3—Zn1 | 91.53 (4) | C23—O23—Zn2 | 135.97 (12) |
O4—Zn3—Zn1 | 116.73 (4) | C23—O23—Zn3 | 111.61 (11) |
O3—Zn3—Zn1 | 39.63 (4) | Zn2—O23—Zn3 | 112.17 (6) |
O18—Zn3—Zn1 | 94.17 (4) | O23—C23—C27 | 125.00 (18) |
O17—Zn3—Zn1 | 40.81 (4) | O23—C23—C24 | 115.78 (17) |
C2—C1—Zn1 | 111.80 (15) | C27—C23—C24 | 119.19 (18) |
C2—C1—H1A | 109.3 | C24—O24—Zn3 | 111.97 (12) |
Zn1—C1—H1A | 109.3 | O24—C24—C25 | 123.28 (18) |
C2—C1—H1B | 109.3 | O24—C24—C23 | 119.69 (17) |
Zn1—C1—H1B | 109.3 | C25—C24—C23 | 117.02 (18) |
H1A—C1—H1B | 107.9 | C26—C25—C24 | 119.46 (19) |
C1—C2—H2A | 109.5 | C26—C25—H25 | 120.3 |
C1—C2—H2B | 109.5 | C24—C25—H25 | 120.3 |
H2A—C2—H2B | 109.5 | C26—O26—C27 | 120.69 (16) |
C1—C2—H2C | 109.5 | O26—C26—C25 | 122.80 (19) |
H2A—C2—H2C | 109.5 | O26—C26—H26 | 118.6 |
H2B—C2—H2C | 109.5 | C25—C26—H26 | 118.6 |
C3—O3—Zn1 | 140.03 (12) | C23—C27—O26 | 120.72 (17) |
C3—O3—Zn3 | 110.75 (12) | C23—C27—C28 | 127.98 (18) |
Zn1—O3—Zn3 | 98.92 (6) | O26—C27—C28 | 111.29 (16) |
O3—C3—C7 | 123.35 (18) | C27—C28—H28A | 109.5 |
O3—C3—C4 | 116.32 (17) | C27—C28—H28B | 109.5 |
C7—C3—C4 | 120.32 (18) | H28A—C28—H28B | 109.5 |
C4—O4—Zn3 | 112.23 (13) | C27—C28—H28C | 109.5 |
O4—C4—C5 | 123.75 (19) | H28A—C28—H28C | 109.5 |
O4—C4—C3 | 120.44 (18) | H28B—C28—H28C | 109.5 |
C5—C4—C3 | 115.80 (19) | C30—C29—C34 | 117.7 (2) |
C6—C5—C4 | 120.0 (2) | C30—C29—C35 | 121.2 (2) |
C6—C5—H5 | 120.0 | C34—C29—C35 | 121.1 (2) |
C4—C5—H5 | 120.0 | C31—C30—C29 | 121.7 (2) |
C6—O6—C7 | 119.56 (17) | C31—C30—H30 | 119.1 |
C5—C6—O6 | 123.3 (2) | C29—C30—H30 | 119.1 |
C5—C6—H6 | 118.3 | C30—C31—C32 | 120.1 (2) |
O6—C6—H6 | 118.3 | C30—C31—H31 | 120.0 |
C3—C7—O6 | 120.93 (19) | C32—C31—H31 | 120.0 |
C3—C7—C8 | 126.41 (19) | C31—C32—C33 | 119.4 (3) |
O6—C7—C8 | 112.65 (18) | C31—C32—H32 | 120.3 |
C7—C8—H8A | 109.5 | C33—C32—H32 | 120.3 |
C7—C8—H8B | 109.5 | C34—C33—C32 | 120.7 (2) |
H8A—C8—H8B | 109.5 | C34—C33—H33 | 119.6 |
C7—C8—H8C | 109.5 | C32—C33—H33 | 119.6 |
H8A—C8—H8C | 109.5 | C33—C34—C29 | 120.5 (2) |
H8B—C8—H8C | 109.5 | C33—C34—H34 | 119.8 |
C10—C9—Zn2 | 116.61 (15) | C29—C34—H34 | 119.8 |
C10—C9—H9A | 108.1 | C29—C35—H35A | 109.5 |
Zn2—C9—H9A | 108.1 | C29—C35—H35B | 109.5 |
C10—C9—H9B | 108.1 | H35A—C35—H35B | 109.5 |
Zn2—C9—H9B | 108.1 | C29—C35—H35C | 109.5 |
H9A—C9—H9B | 107.3 | H35A—C35—H35C | 109.5 |
C9—C10—H10A | 109.5 | H35B—C35—H35C | 109.5 |
C9—C10—H10B | 109.5 | C41—C36—C37 | 118.2 (2) |
H10A—C10—H10B | 109.5 | C41—C36—C42 | 121.0 (2) |
C9—C10—H10C | 109.5 | C37—C36—C42 | 120.7 (2) |
H10A—C10—H10C | 109.5 | C38—C37—C36 | 121.4 (2) |
H10B—C10—H10C | 109.5 | C38—C37—H37 | 119.3 |
C11—O11—Zn1 | 129.03 (12) | C36—C37—H37 | 119.3 |
C11—O11—Zn2 | 112.67 (12) | C37—C38—C39 | 119.7 (2) |
Zn1—O11—Zn2 | 109.73 (6) | C37—C38—H38 | 120.1 |
O11—C11—C15 | 124.91 (18) | C39—C38—H38 | 120.1 |
O11—C11—C12 | 115.63 (17) | C38—C39—C40 | 119.8 (2) |
C15—C11—C12 | 119.34 (18) | C38—C39—H39 | 120.1 |
C12—O12—Zn2 | 112.83 (13) | C40—C39—H39 | 120.1 |
O12—C12—C13 | 123.14 (19) | C39—C40—C41 | 120.3 (2) |
O12—C12—C11 | 120.04 (18) | C39—C40—H40 | 119.8 |
C13—C12—C11 | 116.82 (18) | C41—C40—H40 | 119.8 |
C14—C13—C12 | 119.68 (19) | C40—C41—C36 | 120.6 (2) |
C14—C13—H13 | 120.2 | C40—C41—H41 | 119.7 |
C12—C13—H13 | 120.2 | C36—C41—H41 | 119.7 |
C14—O14—C15 | 120.55 (16) | C36—C42—H42A | 109.5 |
O14—C14—C13 | 122.80 (19) | C36—C42—H42B | 109.5 |
O14—C14—H14 | 118.6 | H42A—C42—H42B | 109.5 |
C13—C14—H14 | 118.6 | C36—C42—H42C | 109.5 |
C11—C15—O14 | 120.56 (18) | H42A—C42—H42C | 109.5 |
C11—C15—C16 | 128.53 (19) | H42B—C42—H42C | 109.5 |
O14—C15—C16 | 110.89 (17) | ||
C1—Zn1—Zn3—O24 | 114.71 (11) | C12—C11—C15—C16 | −172.7 (2) |
O11—Zn1—Zn3—O24 | −68.86 (7) | C14—O14—C15—C11 | −2.6 (3) |
O3—Zn1—Zn3—O24 | −152.61 (9) | C14—O14—C15—C16 | 176.04 (18) |
O17—Zn1—Zn3—O24 | 27.30 (8) | C1—Zn1—O17—C17 | −7.63 (16) |
C1—Zn1—Zn3—O23 | −169.47 (10) | O11—Zn1—O17—C17 | −157.01 (13) |
O11—Zn1—Zn3—O23 | 6.96 (5) | O3—Zn1—O17—C17 | 116.34 (14) |
O3—Zn1—Zn3—O23 | −76.78 (7) | Zn3—Zn1—O17—C17 | 116.27 (15) |
O17—Zn1—Zn3—O23 | 103.12 (7) | C1—Zn1—O17—Zn3 | −123.91 (8) |
C1—Zn1—Zn3—O4 | −70.14 (10) | O11—Zn1—O17—Zn3 | 86.71 (5) |
O11—Zn1—Zn3—O4 | 106.30 (6) | O3—Zn1—O17—Zn3 | 0.06 (5) |
O3—Zn1—Zn3—O4 | 22.55 (7) | O24—Zn3—O17—C17 | 76.61 (12) |
O17—Zn1—Zn3—O4 | −157.55 (7) | O23—Zn3—O17—C17 | 158.11 (12) |
C1—Zn1—Zn3—O3 | −92.69 (11) | O4—Zn3—O17—C17 | −75.02 (16) |
O11—Zn1—Zn3—O3 | 83.75 (7) | O3—Zn3—O17—C17 | −120.96 (12) |
O17—Zn1—Zn3—O3 | 179.91 (8) | O18—Zn3—O17—C17 | −10.51 (12) |
C1—Zn1—Zn3—O18 | 20.32 (10) | Zn1—Zn3—O17—C17 | −120.90 (13) |
O11—Zn1—Zn3—O18 | −163.25 (6) | O24—Zn3—O17—Zn1 | −162.49 (5) |
O3—Zn1—Zn3—O18 | 113.01 (7) | O23—Zn3—O17—Zn1 | −80.99 (6) |
O17—Zn1—Zn3—O18 | −67.09 (7) | O4—Zn3—O17—Zn1 | 45.88 (13) |
C1—Zn1—Zn3—O17 | 87.41 (10) | O3—Zn3—O17—Zn1 | −0.06 (5) |
O11—Zn1—Zn3—O17 | −96.16 (7) | O18—Zn3—O17—Zn1 | 110.39 (6) |
O3—Zn1—Zn3—O17 | −179.91 (8) | Zn1—O17—C17—C21 | 79.8 (2) |
O11—Zn1—C1—C2 | −154.88 (13) | Zn3—O17—C17—C21 | −171.89 (16) |
O3—Zn1—C1—C2 | −31.49 (19) | Zn1—O17—C17—C18 | −100.05 (17) |
O17—Zn1—C1—C2 | 70.68 (17) | Zn3—O17—C17—C18 | 8.3 (2) |
Zn3—Zn1—C1—C2 | 20.1 (2) | O24—Zn3—O18—C18 | −90.51 (14) |
C1—Zn1—O3—C3 | −17.7 (2) | O23—Zn3—O18—C18 | −70.3 (3) |
O11—Zn1—O3—C3 | 125.88 (19) | O4—Zn3—O18—C18 | 166.41 (13) |
O17—Zn1—O3—C3 | −138.27 (19) | O3—Zn3—O18—C18 | 87.77 (14) |
Zn3—Zn1—O3—C3 | −138.2 (2) | O17—Zn3—O18—C18 | 11.82 (13) |
C1—Zn1—O3—Zn3 | 120.50 (9) | Zn1—Zn3—O18—C18 | 49.72 (13) |
O11—Zn1—O3—Zn3 | −95.91 (6) | Zn3—O18—C18—C19 | 167.88 (16) |
O17—Zn1—O3—Zn3 | −0.06 (5) | Zn3—O18—C18—C17 | −11.4 (2) |
O24—Zn3—O3—C3 | −107.5 (2) | O17—C17—C18—O18 | 2.0 (3) |
O23—Zn3—O3—C3 | −106.02 (12) | C21—C17—C18—O18 | −177.82 (19) |
O4—Zn3—O3—C3 | −6.87 (12) | O17—C17—C18—C19 | −177.37 (17) |
O18—Zn3—O3—C3 | 78.21 (12) | C21—C17—C18—C19 | 2.8 (3) |
O17—Zn3—O3—C3 | 152.82 (12) | O18—C18—C19—C20 | −179.7 (2) |
Zn1—Zn3—O3—C3 | 152.75 (15) | C17—C18—C19—C20 | −0.3 (3) |
O24—Zn3—O3—Zn1 | 99.71 (18) | C18—C19—C20—O20 | −2.2 (3) |
O23—Zn3—O3—Zn1 | 101.22 (6) | C21—O20—C20—C19 | 2.2 (3) |
O4—Zn3—O3—Zn1 | −159.62 (7) | O17—C17—C21—O20 | 177.28 (17) |
O18—Zn3—O3—Zn1 | −74.54 (6) | C18—C17—C21—O20 | −2.9 (3) |
O17—Zn3—O3—Zn1 | 0.06 (5) | O17—C17—C21—C22 | −2.7 (3) |
Zn1—O3—C3—C7 | −38.8 (3) | C18—C17—C21—C22 | 177.1 (2) |
Zn3—O3—C3—C7 | −174.06 (16) | C20—O20—C21—C17 | 0.4 (3) |
Zn1—O3—C3—C4 | 142.15 (16) | C20—O20—C21—C22 | −179.60 (19) |
Zn3—O3—C3—C4 | 6.9 (2) | C9—Zn2—O23—C23 | −83.56 (19) |
O24—Zn3—O4—C4 | 168.35 (13) | O11—Zn2—O23—C23 | 121.29 (17) |
O23—Zn3—O4—C4 | 87.15 (14) | O12—Zn2—O23—C23 | 42.17 (18) |
O3—Zn3—O4—C4 | 5.94 (13) | C9—Zn2—O23—Zn3 | 102.85 (10) |
O18—Zn3—O4—C4 | −102.39 (14) | O11—Zn2—O23—Zn3 | −52.30 (8) |
O17—Zn3—O4—C4 | −40.14 (19) | O12—Zn2—O23—Zn3 | −131.43 (7) |
Zn1—Zn3—O4—C4 | −8.46 (14) | O24—Zn3—O23—C23 | −9.44 (12) |
Zn3—O4—C4—C5 | 175.83 (16) | O4—Zn3—O23—C23 | 92.54 (13) |
Zn3—O4—C4—C3 | −4.2 (2) | O3—Zn3—O23—C23 | 171.02 (13) |
O3—C3—C4—O4 | −2.0 (3) | O18—Zn3—O23—C23 | −30.0 (3) |
C7—C3—C4—O4 | 178.91 (19) | O17—Zn3—O23—C23 | −110.01 (12) |
O3—C3—C4—C5 | 177.97 (17) | Zn1—Zn3—O23—C23 | −150.23 (12) |
C7—C3—C4—C5 | −1.1 (3) | O24—Zn3—O23—Zn2 | 165.78 (8) |
O4—C4—C5—C6 | −179.1 (2) | O4—Zn3—O23—Zn2 | −92.24 (7) |
C3—C4—C5—C6 | 1.0 (3) | O3—Zn3—O23—Zn2 | −13.76 (7) |
C4—C5—C6—O6 | 0.0 (4) | O18—Zn3—O23—Zn2 | 145.3 (3) |
C7—O6—C6—C5 | −1.0 (3) | O17—Zn3—O23—Zn2 | 65.20 (7) |
O3—C3—C7—O6 | −178.77 (17) | Zn1—Zn3—O23—Zn2 | 24.98 (6) |
C4—C3—C7—O6 | 0.2 (3) | Zn2—O23—C23—C27 | 17.4 (3) |
O3—C3—C7—C8 | 0.3 (3) | Zn3—O23—C23—C27 | −168.99 (16) |
C4—C3—C7—C8 | 179.32 (19) | Zn2—O23—C23—C24 | −164.84 (13) |
C6—O6—C7—C3 | 0.8 (3) | Zn3—O23—C23—C24 | 8.8 (2) |
C6—O6—C7—C8 | −178.38 (19) | O23—Zn3—O24—C24 | 8.81 (13) |
O23—Zn2—C9—C10 | −6.7 (2) | O4—Zn3—O24—C24 | −86.74 (14) |
O11—Zn2—C9—C10 | 143.40 (14) | O3—Zn3—O24—C24 | 10.3 (3) |
O12—Zn2—C9—C10 | −120.88 (15) | O18—Zn3—O24—C24 | −175.14 (14) |
C1—Zn1—O11—C11 | −73.88 (18) | O17—Zn3—O24—C24 | 106.67 (13) |
O3—Zn1—O11—C11 | 150.99 (15) | Zn1—Zn3—O24—C24 | 88.82 (14) |
O17—Zn1—O11—C11 | 67.18 (16) | Zn3—O24—C24—C25 | 172.62 (15) |
Zn3—Zn1—O11—C11 | 109.78 (15) | Zn3—O24—C24—C23 | −7.0 (2) |
C1—Zn1—O11—Zn2 | 141.24 (10) | O23—C23—C24—O24 | −1.3 (3) |
O3—Zn1—O11—Zn2 | 6.11 (6) | C27—C23—C24—O24 | 176.61 (18) |
O17—Zn1—O11—Zn2 | −77.70 (7) | O23—C23—C24—C25 | 179.10 (17) |
Zn3—Zn1—O11—Zn2 | −35.10 (6) | C27—C23—C24—C25 | −3.0 (3) |
C9—Zn2—O11—C11 | 113.57 (14) | O24—C24—C25—C26 | −179.2 (2) |
O23—Zn2—O11—C11 | −91.92 (13) | C23—C24—C25—C26 | 0.4 (3) |
O12—Zn2—O11—C11 | −2.10 (12) | C27—O26—C26—C25 | −0.3 (3) |
C9—Zn2—O11—Zn1 | −95.40 (10) | C24—C25—C26—O26 | 1.3 (3) |
O23—Zn2—O11—Zn1 | 59.12 (7) | O23—C23—C27—O26 | −178.22 (17) |
O12—Zn2—O11—Zn1 | 148.94 (7) | C24—C23—C27—O26 | 4.1 (3) |
Zn1—O11—C11—C15 | 42.4 (3) | O23—C23—C27—C28 | 2.7 (3) |
Zn2—O11—C11—C15 | −173.51 (16) | C24—C23—C27—C28 | −174.98 (19) |
Zn1—O11—C11—C12 | −141.61 (14) | C26—O26—C27—C23 | −2.5 (3) |
Zn2—O11—C11—C12 | 2.5 (2) | C26—O26—C27—C28 | 176.74 (17) |
C9—Zn2—O12—C12 | −122.96 (14) | C34—C29—C30—C31 | 0.0 (3) |
O23—Zn2—O12—C12 | 106.61 (14) | C35—C29—C30—C31 | 178.3 (2) |
O11—Zn2—O12—C12 | 1.42 (13) | C29—C30—C31—C32 | 0.5 (4) |
Zn2—O12—C12—C13 | 179.17 (15) | C30—C31—C32—C33 | −0.3 (4) |
Zn2—O12—C12—C11 | −0.6 (2) | C31—C32—C33—C34 | −0.5 (4) |
O11—C11—C12—O12 | −1.3 (3) | C32—C33—C34—C29 | 1.0 (4) |
C15—C11—C12—O12 | 174.89 (18) | C30—C29—C34—C33 | −0.8 (3) |
O11—C11—C12—C13 | 178.94 (17) | C35—C29—C34—C33 | −179.0 (2) |
C15—C11—C12—C13 | −4.9 (3) | C41—C36—C37—C38 | −1.1 (3) |
O12—C12—C13—C14 | −178.7 (2) | C42—C36—C37—C38 | 177.4 (2) |
C11—C12—C13—C14 | 1.1 (3) | C36—C37—C38—C39 | 0.3 (3) |
C15—O14—C14—C13 | −1.4 (3) | C37—C38—C39—C40 | 0.5 (3) |
C12—C13—C14—O14 | 2.1 (3) | C38—C39—C40—C41 | −0.5 (3) |
O11—C11—C15—O14 | −178.51 (17) | C39—C40—C41—C36 | −0.3 (3) |
C12—C11—C15—O14 | 5.7 (3) | C37—C36—C41—C40 | 1.1 (3) |
O11—C11—C15—C16 | 3.1 (3) | C42—C36—C41—C40 | −177.4 (2) |
Please define Cg1 and Cg2 |
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H6···Cg1i | 0.95 | 2.53 | 3.477 (3) | 172 |
C14—H14···O24ii | 0.95 | 2.39 | 3.286 (3) | 156 |
C20—H20···O17iii | 0.95 | 2.40 | 3.332 (3) | 166 |
C26—H26···O18iv | 0.95 | 2.33 | 3.167 (3) | 146 |
C28—H28B···Cg2v | 0.98 | 2.72 | 3.411 (3) | 128 |
Symmetry codes: (i) −x, −y+1, −z; (ii) −x+1/2, y+1/2, −z+1/2; (iii) −x+1/2, y−1/2, −z+1/2; (iv) −x−1/2, y+1/2, −z+1/2; (v) x−1, y+1, z. |
Experimental details
Crystal data | |
Chemical formula | [Zn3(C2H5)2(C6H5O3)4]·2C7H8 |
Mr | 938.96 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 100 |
a, b, c (Å) | 10.125 (3), 11.949 (4), 34.653 (6) |
β (°) | 90.20 (2) |
V (Å3) | 4192 (2) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 1.76 |
Crystal size (mm) | 0.43 × 0.37 × 0.09 |
Data collection | |
Diffractometer | KUMA KM4 CCD κ-geometry diffractometer |
Absorption correction | Analytical (CrysAlis RED; Oxford Diffraction, 2007) |
Tmin, Tmax | 0.580, 0.883 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 45983, 9131, 7444 |
Rint | 0.042 |
(sin θ/λ)max (Å−1) | 0.639 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.029, 0.066, 1.04 |
No. of reflections | 9131 |
No. of parameters | 521 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.37, −0.32 |
Computer programs: CrysAlis CCD (Oxford Diffraction, 2007), CrysAlis RED (Oxford Diffraction, 2007), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), OLEX2 (Dolomanov et al., 2009).
Zn1—C1 | 1.971 (2) | Zn2—O3 | 2.6270 (15) |
Zn1—O3 | 2.0293 (14) | Zn3—O3 | 2.1060 (14) |
Zn1—O11 | 2.0077 (15) | Zn3—O4 | 2.0802 (15) |
Zn1—O17 | 2.0675 (14) | Zn3—O23 | 2.0759 (15) |
Zn2—C9 | 1.981 (2) | Zn3—O24 | 2.0729 (14) |
Zn2—O11 | 2.0943 (14) | Zn3—O17 | 2.1439 (15) |
Zn2—O12 | 2.1109 (15) | Zn3—O18 | 2.1081 (15) |
Zn2—O23 | 2.0193 (14) |
Please define Cg1 and Cg2 |
D—H···A | D—H | H···A | D···A | D—H···A |
C6—H6···Cg1i | 0.95 | 2.53 | 3.477 (3) | 172 |
C14—H14···O24ii | 0.95 | 2.39 | 3.286 (3) | 156 |
C20—H20···O17iii | 0.95 | 2.40 | 3.332 (3) | 166 |
C26—H26···O18iv | 0.95 | 2.33 | 3.167 (3) | 146 |
C28—H28B···Cg2v | 0.98 | 2.72 | 3.411 (3) | 128 |
Symmetry codes: (i) −x, −y+1, −z; (ii) −x+1/2, y+1/2, −z+1/2; (iii) −x+1/2, y−1/2, −z+1/2; (iv) −x−1/2, y+1/2, −z+1/2; (v) x−1, y+1, z. |
Acknowledgements
This work was supported by the Polish Ministry of Sciences and Higher Education (grant No. N N209 027 940) and the European Social Funds (ESF) in the areas of Human Capital Strategy Program and the Marshal's Office of Lower Silesia.
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.
In recent years alkoxo zinc complexes have attracted much attention for their use as initiators for the ring-opening polymerization of cyclic esters (Chamberlain et al., 2001), metallotherapeutic drugs (Thompson et al., 2006), and precursors of electroluminescent (Kaplunov et al., 2012) and ceramic materials (Boyle et al., 2004). In this contects have also been investigated so for related zinc–maltolate complexes (Ahmed et al., 2000; Thompson et al., 2004; Petrus & Sobota, 2012a, 2012b).
We describe here the solid state structure of zinc complex [Zn3(Et)2(MalO)4] (where MalOH = maltol), solvated by two molecules of toluene, (Fig. 1). The title zinc alkoxide has been previously reported in the monosolvated form [Zn3(Et)2(MalO)4].C7H8, which crystallizes in the triclinic space group P1 (Petrus & Sobota, 2012a). The molecular structure comprises a trimer, containing incomplete cubane Zn3O4 core structure with different coordination modes around each zinc atoms (Maxim et al., 2008; Romero et al., 2010). The Zn1 ion is coordinated in a tetrahedral manner to one ethyl and two maltolate ligands in a monodentate coordination mode through atoms O11 and O17. The Zn2 atom is five-coordinated with EtZnO4 enviroment, comprise with zinc bonded ethyl group and three alkoxy (O3, O11, O23) and one carbonyl (O12) oxygen atoms from three maltolate ligands. The geometry around the Zn2 centre can be considered as distored trigonal bipyramid, as confirmed by the metric shape parameters S(Oh) = 3.59 (Alvarez et al., 2002). The Zn3 ion is six-coordinated by three maltolate ligands in a bidentate chelating mode through the O atoms of alkoxy and carbonyl groups, forming five-membered Zn3/O3/C3/C4/O4, Zn3/O17/C17/C18/O18 and Zn3/O23/C23/C24/O24 chelate rings. The first of these metallacycles is twisted about the Zn3—O3 bond, while the rest have a conformation based on an envelope with the Zn3 atom as the envelope flap. The unsual elongated Zn2—O3 bond, i.e. by about 0.56 Å from the average Zn—O bond lengths within the Zn2O2 diamond cores, results in a high deformation of the central core geometry (Table 1). The title complex shows weak intermolecular C—H···O interactions between the trinuclear units and adjacent molecules to link them into extended chain (Table 2). The trinuclear cluster is also stabilized by C—H···π interactions with solvent molecules (Table 2).