metal-organic compounds
Bis(4′-chloro-2,2′:6′,2′′-terpyridine-κ3N,N′,N′′)zinc(II) bis(trifluoromethanesulfonate)
aDepartment of Chemistry and Biochemistry, University of the Incarnate Word, San Antonio, Texas 78209, USA, and bDepartment of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, USA
*Correspondence e-mail: adrian@uiwtx.edu
In the title complex, [Zn(C15H10ClN3)2](CF3SO3)2, the ZnII metal center is sixfold coordinated by three nitrogen atoms of each 4-chloroterpyridine ligand in a distorted octahedral geometry with triflouromethanesulfonate ions completing the outer coordination sphere of the complex. π–π stacking interactions between the pyridyl rings in adjacent molecules contribute to the alignment of the complexes in layers along the c axis.
Keywords: zinc; crystal structure; 4-chloroterpyridine; triflate salt; octahedral; coordination complex.
CCDC reference: 2219916
Structure description
Terpyridine and its substituted derivatives continue to be versatile chelating ligands with several applications in areas as diverse as catalysis (Rupp et al., 2019; Kobayashi & Nakazawa, 2021), supramolecular design (Kuai et al., 2019; Ma et al., 2021), and drug design (Qin et al., 2019; Savic et al., 2020). Recently, zinc(II) terpyridine complexes with phenyl-based substituents in the 4′-position of the terpyridine ring have shown excellent anticancer activity against several human carcinoma cell lines (Li et al., 2019). Our research group interest currently lies in synthesizing metal complexes with applications in biological systems; as part of our research in this area, herein, we describe the synthesis and structure of the title zinc(II) complex.
The ). All the Zn—N bond distances are in good agreement with comparable bis(4-chloroterpyridine)zinc(II) complexes currently available in the Cambridge Structural Database (CSD, Groom et al., 2016; version 5.43 with update June 2022; refcodes MOZHAL and MOZHEP; You et al., 2009), but differ, by more than 0.1 Å in most cases, from those observed in complexes where only one 4-chloroterpyridine is coordinated to the zinc(II) metal center (Adrian & Arman, 2020; refcode JABDID; Adrian et al., 2020; refcode PADBUV; Huang & Qian, 2008; refcode HIVPOS; Dutta et al., 2019; refcode DOHJES). The N—Zn—N angles also concur with the values reported in the previously referenced bis(4-chloroterpyridine)zinc(II) complexes. All relevant bonds and angles are presented in Table 1.
of the title complex shows the 4-chloroterpyridine ligands surrounding the zinc metal center, with two trifluorosulfonate ions in the outer coordination sphere. The zinc(II) atom lies in an octahedral geometry defined by six pyridine nitrogen atoms from the two 4-chloroterpyridine ligands (Fig. 1
|
The packing diagram reveals the stacking of the c axis (Fig. 2). π–π stacking interactions occur between the N5 and N6 pyridyl rings of adjacent molecules, with a centroid-to-centroid (Cg⋯Cg) distance of 3.826 (4) Å and an offset distance of 1.379 (10) Å (Fig. 3). No other directional supramolecular interactions are present in the crystal packing of the title compound.
in alternating layers along theSynthesis and crystallization
Silver trifluoromethanesulfonate (0.377 g, 14.7 mmol) was added to an acetonitrile solution of zinc chloride (0.100 g, 7.34 mmol). The resulting solution was filtrated using a 0.45 mm PTFE syringe filter to remove silver chloride, and 4′-chloro-2,2′:6′,2′′-terpyridine (0.393 g, 14.7 mmol) was added to yield the title compound. Crystals suitable for X-ray diffraction were obtained by vapor diffusion of diethyl ether over the resulting acetonitrile solution at 277 K.
Refinement
Crystal data, data collection and structure . The structure was refined as a two-component twin with a final BASF parameter of 0.4619 (17).
details are summarized in Table 2Structural data
CCDC reference: 2219916
https://doi.org/10.1107/S2414314622010963/vm4054sup1.cif
contains datablock I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2414314622010963/vm4054Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2414314622010963/vm4054Isup3.mol
Data collection: CrysAlis PRO (Rigaku OD, 2019); cell
CrysAlis PRO (Rigaku OD, 2019); data reduction: CrysAlis PRO (Rigaku OD, 2019); program(s) used to solve structure: SHELXT (Sheldrick, 2015a); program(s) used to refine structure: SHELXL2018/3 (Sheldrick, 2015b); molecular graphics: Olex2 (Dolomanov et al., 2009); software used to prepare material for publication: Olex2 (Dolomanov et al., 2009).[Zn(C15H10ClN3)2](CF3O3S)2 | F(000) = 1808 |
Mr = 898.93 | Dx = 1.777 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54184 Å |
a = 8.9259 (2) Å | Cell parameters from 10902 reflections |
b = 17.0711 (4) Å | θ = 5.0–67.4° |
c = 22.0466 (5) Å | µ = 4.46 mm−1 |
β = 90.287 (2)° | T = 100 K |
V = 3359.31 (13) Å3 | Needle, clear colourless |
Z = 4 | 0.22 × 0.07 × 0.04 mm |
XtaLAB Synergy, Dualflex, HyPix diffractometer | 8675 independent reflections |
Radiation source: micro-focus sealed X-ray tube, PhotonJet (Cu) X-ray Source | 8049 reflections with I > 2σ(I) |
Mirror monochromator | Rint = 0.065 |
Detector resolution: 10.0000 pixels mm-1 | θmax = 67.8°, θmin = 3.3° |
ω scans | h = −10→10 |
Absorption correction: gaussian (CrysAlisPro; Rigaku OD, 2019) | k = −20→20 |
Tmin = 0.995, Tmax = 0.999 | l = −26→26 |
8675 measured reflections |
Refinement on F2 | Primary atom site location: dual |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.069 | H-atom parameters constrained |
wR(F2) = 0.145 | w = 1/[σ2(Fo2) + (0.010P)2 + 25.P] where P = (Fo2 + 2Fc2)/3 |
S = 1.15 | (Δ/σ)max < 0.001 |
8675 reflections | Δρmax = 0.93 e Å−3 |
497 parameters | Δρmin = −0.71 e Å−3 |
0 restraints |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. |
Refinement. Refined as a 2-component twin. |
x | y | z | Uiso*/Ueq | ||
Zn1 | 0.73770 (11) | 0.49335 (5) | 0.28538 (3) | 0.01471 (19) | |
S1 | 1.0279 (2) | 0.23997 (10) | 0.39877 (7) | 0.0239 (4) | |
Cl2 | 0.7635 (3) | 0.50475 (11) | −0.01113 (6) | 0.0255 (4) | |
S2 | 0.5232 (3) | 0.25502 (11) | 0.60978 (8) | 0.0295 (4) | |
Cl1 | 0.7454 (3) | 0.50507 (12) | 0.58105 (6) | 0.0373 (5) | |
N4 | 0.7432 (7) | 0.4932 (3) | 0.1897 (2) | 0.0153 (10) | |
N1 | 0.7376 (8) | 0.4982 (3) | 0.3796 (2) | 0.0180 (12) | |
F1 | 0.9720 (6) | 0.1766 (3) | 0.50582 (18) | 0.0368 (11) | |
F3 | 0.7919 (6) | 0.1670 (3) | 0.4403 (2) | 0.0482 (14) | |
C18 | 0.7554 (10) | 0.4998 (4) | 0.0672 (2) | 0.0176 (12) | |
N3 | 0.6338 (6) | 0.3825 (3) | 0.3132 (2) | 0.0174 (12) | |
F6 | 0.5121 (6) | 0.1630 (3) | 0.51400 (19) | 0.0411 (12) | |
N5 | 0.5255 (7) | 0.5454 (3) | 0.2570 (2) | 0.0150 (11) | |
F4 | 0.4119 (7) | 0.1162 (3) | 0.5956 (2) | 0.0442 (13) | |
N6 | 0.9532 (7) | 0.4437 (3) | 0.2627 (2) | 0.0161 (11) | |
F2 | 0.8370 (6) | 0.2769 (3) | 0.4839 (2) | 0.0384 (11) | |
O6 | 0.4198 (7) | 0.2660 (3) | 0.6583 (2) | 0.0303 (13) | |
N2 | 0.8412 (7) | 0.6064 (3) | 0.3076 (2) | 0.0163 (11) | |
F5 | 0.2979 (7) | 0.2035 (4) | 0.5441 (3) | 0.0618 (18) | |
O1 | 0.9262 (7) | 0.2684 (3) | 0.3526 (2) | 0.0333 (13) | |
C12 | 0.5253 (9) | 0.3153 (4) | 0.3973 (3) | 0.0197 (14) | |
H12 | 0.507101 | 0.312568 | 0.438778 | 0.024* | |
C5 | 0.6718 (8) | 0.4400 (4) | 0.4114 (3) | 0.0174 (13) | |
O2 | 1.1243 (7) | 0.2976 (4) | 0.4263 (2) | 0.0369 (14) | |
C20 | 0.8656 (8) | 0.4685 (4) | 0.1615 (3) | 0.0162 (13) | |
C28 | 1.2298 (8) | 0.3884 (4) | 0.2245 (3) | 0.0212 (14) | |
H28 | 1.322073 | 0.369520 | 0.211654 | 0.025* | |
C29 | 1.1960 (7) | 0.3915 (4) | 0.2852 (3) | 0.0189 (14) | |
H29 | 1.265285 | 0.375202 | 0.314258 | 0.023* | |
C24 | 0.2846 (8) | 0.6020 (4) | 0.2747 (3) | 0.0229 (15) | |
H24 | 0.213080 | 0.619438 | 0.302129 | 0.027* | |
C16 | 0.6264 (8) | 0.5214 (4) | 0.1585 (3) | 0.0165 (13) | |
C17 | 0.6272 (8) | 0.5258 (4) | 0.0961 (3) | 0.0175 (13) | |
H17 | 0.545638 | 0.545277 | 0.074463 | 0.021* | |
C1 | 0.7991 (8) | 0.5595 (4) | 0.4083 (3) | 0.0185 (14) | |
C6 | 0.8651 (8) | 0.6192 (4) | 0.3676 (3) | 0.0160 (13) | |
O3 | 1.0984 (9) | 0.1662 (3) | 0.3834 (3) | 0.0455 (17) | |
C22 | 0.3669 (8) | 0.5775 (4) | 0.1736 (3) | 0.0180 (14) | |
H22 | 0.349975 | 0.578390 | 0.131982 | 0.022* | |
C15 | 0.5834 (8) | 0.3253 (4) | 0.2760 (3) | 0.0187 (14) | |
H15 | 0.605054 | 0.328322 | 0.234802 | 0.022* | |
C26 | 0.9879 (8) | 0.4410 (3) | 0.2022 (3) | 0.0139 (13) | |
C9 | 0.9789 (8) | 0.7236 (4) | 0.2867 (3) | 0.0196 (13) | |
H9 | 1.015282 | 0.758818 | 0.258190 | 0.023* | |
C21 | 0.5004 (8) | 0.5490 (4) | 0.1966 (3) | 0.0149 (13) | |
C23 | 0.2574 (8) | 0.6051 (4) | 0.2134 (3) | 0.0203 (13) | |
H23 | 0.167547 | 0.625130 | 0.198581 | 0.024* | |
C3 | 0.7381 (11) | 0.5025 (5) | 0.5027 (3) | 0.0248 (16) | |
C11 | 0.6082 (8) | 0.3759 (4) | 0.3733 (3) | 0.0171 (14) | |
C19 | 0.8777 (8) | 0.4698 (4) | 0.0988 (3) | 0.0174 (13) | |
H19 | 0.962740 | 0.451617 | 0.079014 | 0.021* | |
C4 | 0.6738 (9) | 0.4398 (4) | 0.4739 (3) | 0.0210 (15) | |
H4 | 0.632968 | 0.398490 | 0.495791 | 0.025* | |
C2 | 0.8041 (9) | 0.5644 (4) | 0.4712 (3) | 0.0241 (16) | |
H2 | 0.848764 | 0.606471 | 0.491101 | 0.029* | |
C30 | 1.0565 (8) | 0.4192 (4) | 0.3022 (3) | 0.0178 (14) | |
H30 | 1.033884 | 0.420937 | 0.343356 | 0.021* | |
C10 | 0.8965 (8) | 0.6589 (4) | 0.2685 (3) | 0.0171 (13) | |
H10 | 0.878663 | 0.651626 | 0.227301 | 0.021* | |
C8 | 1.0062 (8) | 0.7350 (4) | 0.3471 (3) | 0.0222 (15) | |
H8 | 1.063614 | 0.777259 | 0.360215 | 0.027* | |
C14 | 0.4998 (8) | 0.2620 (4) | 0.2971 (3) | 0.0232 (15) | |
H14 | 0.465569 | 0.223332 | 0.270748 | 0.028* | |
C13 | 0.4697 (8) | 0.2586 (4) | 0.3584 (3) | 0.0181 (14) | |
H13 | 0.411636 | 0.217943 | 0.373612 | 0.022* | |
C25 | 0.4210 (8) | 0.5724 (4) | 0.2951 (3) | 0.0206 (14) | |
H25 | 0.440334 | 0.571281 | 0.336536 | 0.025* | |
C7 | 0.9467 (8) | 0.6822 (4) | 0.3889 (3) | 0.0209 (15) | |
H7 | 0.961769 | 0.689324 | 0.430330 | 0.025* | |
O5 | 0.6589 (7) | 0.2185 (5) | 0.6262 (3) | 0.059 (2) | |
O4 | 0.5307 (13) | 0.3215 (4) | 0.5698 (3) | 0.074 (3) | |
C27 | 1.1232 (8) | 0.4142 (4) | 0.1825 (3) | 0.0192 (14) | |
H27 | 1.144398 | 0.413231 | 0.141203 | 0.023* | |
C31 | 0.9012 (9) | 0.2133 (5) | 0.4603 (3) | 0.0294 (17) | |
C32 | 0.4313 (9) | 0.1828 (5) | 0.5623 (3) | 0.0294 (17) |
U11 | U22 | U33 | U12 | U13 | U23 | |
Zn1 | 0.0177 (4) | 0.0154 (4) | 0.0110 (3) | 0.0014 (3) | −0.0032 (4) | 0.0000 (3) |
S1 | 0.0294 (9) | 0.0212 (9) | 0.0211 (8) | −0.0002 (8) | −0.0055 (7) | −0.0027 (6) |
Cl2 | 0.0317 (10) | 0.0332 (9) | 0.0115 (7) | 0.0024 (8) | −0.0014 (7) | 0.0009 (6) |
S2 | 0.0413 (11) | 0.0276 (10) | 0.0195 (8) | −0.0150 (8) | −0.0009 (8) | −0.0006 (6) |
Cl1 | 0.0641 (14) | 0.0379 (10) | 0.0099 (7) | −0.0228 (10) | −0.0019 (9) | −0.0015 (6) |
N4 | 0.012 (3) | 0.017 (3) | 0.017 (2) | 0.000 (2) | −0.003 (2) | 0.0054 (19) |
N1 | 0.028 (3) | 0.013 (2) | 0.013 (2) | −0.001 (2) | −0.006 (3) | 0.0007 (19) |
F1 | 0.049 (3) | 0.036 (3) | 0.026 (2) | 0.000 (2) | −0.006 (2) | 0.0077 (17) |
F3 | 0.056 (4) | 0.050 (3) | 0.039 (3) | −0.031 (3) | −0.014 (2) | 0.011 (2) |
C18 | 0.023 (3) | 0.016 (3) | 0.013 (3) | −0.003 (3) | −0.002 (3) | 0.001 (2) |
N3 | 0.014 (3) | 0.015 (3) | 0.023 (3) | 0.003 (2) | −0.006 (2) | −0.003 (2) |
F6 | 0.054 (3) | 0.045 (3) | 0.025 (2) | −0.006 (3) | 0.011 (2) | −0.0151 (19) |
N5 | 0.017 (3) | 0.012 (3) | 0.016 (2) | 0.001 (2) | 0.000 (2) | 0.0013 (18) |
F4 | 0.064 (4) | 0.027 (3) | 0.043 (3) | −0.015 (2) | 0.007 (3) | −0.0049 (19) |
N6 | 0.019 (3) | 0.015 (3) | 0.014 (2) | −0.001 (2) | −0.002 (2) | −0.0011 (19) |
F2 | 0.037 (3) | 0.045 (3) | 0.034 (2) | 0.008 (2) | 0.002 (2) | −0.0034 (19) |
O6 | 0.047 (4) | 0.025 (3) | 0.019 (2) | 0.000 (2) | −0.004 (2) | −0.0014 (19) |
N2 | 0.020 (3) | 0.016 (3) | 0.012 (3) | 0.005 (2) | 0.000 (2) | 0.0016 (19) |
F5 | 0.049 (4) | 0.076 (4) | 0.061 (3) | 0.022 (3) | −0.032 (3) | −0.030 (3) |
O1 | 0.036 (3) | 0.034 (3) | 0.030 (3) | 0.000 (3) | −0.009 (2) | 0.008 (2) |
C12 | 0.027 (4) | 0.016 (3) | 0.015 (3) | 0.000 (3) | −0.004 (3) | 0.003 (2) |
C5 | 0.013 (3) | 0.018 (3) | 0.021 (3) | −0.002 (3) | −0.004 (3) | 0.003 (2) |
O2 | 0.038 (3) | 0.040 (4) | 0.032 (3) | −0.019 (3) | −0.005 (3) | −0.001 (2) |
C20 | 0.020 (4) | 0.009 (3) | 0.020 (3) | 0.000 (3) | −0.003 (3) | −0.002 (2) |
C28 | 0.021 (4) | 0.019 (3) | 0.024 (3) | 0.002 (3) | −0.006 (3) | −0.002 (2) |
C29 | 0.018 (3) | 0.015 (3) | 0.024 (3) | 0.003 (3) | −0.006 (3) | −0.002 (3) |
C24 | 0.016 (3) | 0.020 (3) | 0.033 (4) | 0.002 (3) | 0.006 (3) | 0.000 (3) |
C16 | 0.016 (3) | 0.015 (3) | 0.019 (3) | −0.004 (3) | −0.008 (3) | 0.001 (2) |
C17 | 0.017 (3) | 0.017 (3) | 0.018 (3) | 0.001 (3) | −0.007 (3) | 0.000 (2) |
C1 | 0.024 (4) | 0.016 (3) | 0.015 (3) | 0.003 (3) | −0.002 (3) | 0.001 (2) |
C6 | 0.018 (3) | 0.017 (3) | 0.012 (3) | 0.003 (3) | 0.000 (2) | 0.000 (2) |
O3 | 0.072 (5) | 0.028 (3) | 0.036 (3) | 0.022 (3) | 0.002 (3) | −0.010 (2) |
C22 | 0.019 (4) | 0.015 (3) | 0.019 (3) | 0.002 (3) | 0.000 (3) | 0.000 (2) |
C15 | 0.025 (4) | 0.015 (3) | 0.016 (3) | 0.005 (3) | −0.010 (3) | −0.004 (2) |
C26 | 0.021 (3) | 0.008 (3) | 0.012 (3) | −0.002 (3) | −0.003 (3) | 0.003 (2) |
C9 | 0.017 (3) | 0.016 (3) | 0.025 (3) | 0.004 (3) | 0.003 (3) | 0.006 (2) |
C21 | 0.017 (3) | 0.012 (3) | 0.016 (3) | −0.001 (3) | 0.002 (3) | 0.000 (2) |
C23 | 0.017 (3) | 0.021 (3) | 0.024 (3) | 0.004 (3) | 0.002 (3) | 0.002 (3) |
C3 | 0.036 (4) | 0.027 (3) | 0.012 (3) | −0.005 (3) | −0.001 (3) | −0.001 (2) |
C11 | 0.019 (4) | 0.014 (3) | 0.018 (3) | 0.001 (3) | −0.004 (3) | −0.002 (2) |
C19 | 0.022 (4) | 0.017 (3) | 0.014 (3) | 0.000 (3) | −0.002 (3) | −0.001 (2) |
C4 | 0.024 (4) | 0.022 (4) | 0.018 (3) | −0.006 (3) | 0.000 (3) | 0.003 (3) |
C2 | 0.037 (5) | 0.020 (4) | 0.016 (3) | −0.001 (3) | −0.003 (3) | −0.002 (2) |
C30 | 0.023 (4) | 0.017 (3) | 0.013 (3) | 0.001 (3) | −0.006 (3) | −0.002 (2) |
C10 | 0.019 (4) | 0.015 (3) | 0.017 (3) | 0.005 (3) | 0.000 (3) | 0.003 (2) |
C8 | 0.014 (3) | 0.017 (4) | 0.035 (4) | 0.000 (3) | −0.002 (3) | 0.002 (3) |
C14 | 0.027 (4) | 0.016 (3) | 0.027 (4) | 0.003 (3) | −0.014 (3) | −0.006 (2) |
C13 | 0.024 (3) | 0.012 (3) | 0.018 (3) | 0.000 (3) | −0.001 (3) | 0.004 (2) |
C25 | 0.029 (4) | 0.016 (3) | 0.017 (3) | 0.001 (3) | 0.003 (3) | 0.001 (2) |
C7 | 0.028 (4) | 0.018 (3) | 0.017 (3) | 0.001 (3) | −0.007 (3) | 0.003 (2) |
O5 | 0.018 (3) | 0.110 (7) | 0.049 (4) | −0.002 (4) | −0.001 (3) | −0.025 (4) |
O4 | 0.162 (9) | 0.027 (3) | 0.032 (3) | −0.033 (5) | 0.030 (4) | 0.004 (2) |
C27 | 0.023 (4) | 0.016 (3) | 0.019 (3) | 0.000 (3) | −0.003 (3) | 0.001 (2) |
C31 | 0.026 (4) | 0.032 (4) | 0.030 (4) | −0.007 (3) | −0.012 (3) | 0.001 (3) |
C32 | 0.029 (4) | 0.032 (4) | 0.027 (4) | −0.002 (3) | −0.002 (3) | −0.010 (3) |
Zn1—N4 | 2.109 (5) | C20—C26 | 1.486 (9) |
Zn1—N1 | 2.079 (5) | C20—C19 | 1.387 (9) |
Zn1—N3 | 2.196 (6) | C28—H28 | 0.9300 |
Zn1—N5 | 2.181 (6) | C28—C29 | 1.375 (10) |
Zn1—N6 | 2.163 (6) | C28—C27 | 1.396 (9) |
Zn1—N2 | 2.194 (6) | C29—H29 | 0.9300 |
S1—O1 | 1.445 (6) | C29—C30 | 1.386 (10) |
S1—O2 | 1.439 (6) | C24—H24 | 0.9300 |
S1—O3 | 1.449 (6) | C24—C23 | 1.373 (10) |
S1—C31 | 1.827 (8) | C24—C25 | 1.391 (10) |
Cl2—C18 | 1.730 (5) | C16—C17 | 1.378 (9) |
S2—O6 | 1.428 (6) | C16—C21 | 1.483 (9) |
S2—O5 | 1.408 (8) | C17—H17 | 0.9300 |
S2—O4 | 1.439 (6) | C1—C6 | 1.482 (9) |
S2—C32 | 1.810 (8) | C1—C2 | 1.389 (9) |
Cl1—C3 | 1.728 (6) | C6—C7 | 1.380 (10) |
N4—C20 | 1.329 (9) | C22—H22 | 0.9300 |
N4—C16 | 1.336 (9) | C22—C21 | 1.381 (10) |
N1—C5 | 1.353 (9) | C22—C23 | 1.398 (9) |
N1—C1 | 1.339 (9) | C15—H15 | 0.9300 |
F1—C31 | 1.340 (9) | C15—C14 | 1.395 (10) |
F3—C31 | 1.328 (9) | C26—C27 | 1.365 (10) |
C18—C17 | 1.386 (10) | C9—H9 | 0.9300 |
C18—C19 | 1.390 (10) | C9—C10 | 1.385 (10) |
N3—C15 | 1.351 (8) | C9—C8 | 1.367 (10) |
N3—C11 | 1.351 (9) | C23—H23 | 0.9300 |
F6—C32 | 1.333 (9) | C3—C4 | 1.369 (11) |
N5—C21 | 1.352 (8) | C3—C2 | 1.398 (11) |
N5—C25 | 1.339 (9) | C19—H19 | 0.9300 |
F4—C32 | 1.365 (10) | C4—H4 | 0.9300 |
N6—C26 | 1.372 (8) | C2—H2 | 0.9300 |
N6—C30 | 1.333 (9) | C30—H30 | 0.9300 |
F2—C31 | 1.335 (9) | C10—H10 | 0.9300 |
N2—C6 | 1.355 (8) | C8—H8 | 0.9300 |
N2—C10 | 1.340 (8) | C8—C7 | 1.395 (10) |
F5—C32 | 1.303 (10) | C14—H14 | 0.9300 |
C12—H12 | 0.9300 | C14—C13 | 1.380 (10) |
C12—C11 | 1.380 (10) | C13—H13 | 0.9300 |
C12—C13 | 1.384 (10) | C25—H25 | 0.9300 |
C5—C11 | 1.490 (9) | C7—H7 | 0.9300 |
C5—C4 | 1.378 (9) | C27—H27 | 0.9300 |
N4—Zn1—N3 | 106.9 (2) | C2—C1—C6 | 123.5 (6) |
N4—Zn1—N5 | 74.8 (2) | N2—C6—C1 | 114.7 (6) |
N4—Zn1—N6 | 75.1 (2) | N2—C6—C7 | 122.6 (6) |
N4—Zn1—N2 | 102.3 (2) | C7—C6—C1 | 122.7 (6) |
N1—Zn1—N4 | 177.4 (2) | C21—C22—H22 | 120.2 |
N1—Zn1—N3 | 75.7 (2) | C21—C22—C23 | 119.6 (6) |
N1—Zn1—N5 | 105.4 (2) | C23—C22—H22 | 120.2 |
N1—Zn1—N6 | 104.5 (2) | N3—C15—H15 | 118.9 |
N1—Zn1—N2 | 75.1 (2) | N3—C15—C14 | 122.3 (6) |
N5—Zn1—N3 | 93.6 (2) | C14—C15—H15 | 118.9 |
N5—Zn1—N2 | 94.0 (2) | N6—C26—C20 | 114.1 (6) |
N6—Zn1—N3 | 95.9 (2) | C27—C26—N6 | 121.7 (6) |
N6—Zn1—N5 | 149.97 (18) | C27—C26—C20 | 124.2 (5) |
N6—Zn1—N2 | 91.3 (2) | C10—C9—H9 | 120.4 |
N2—Zn1—N3 | 150.86 (18) | C8—C9—H9 | 120.4 |
O1—S1—O3 | 113.6 (4) | C8—C9—C10 | 119.2 (6) |
O1—S1—C31 | 102.6 (4) | N5—C21—C16 | 115.0 (6) |
O2—S1—O1 | 116.1 (4) | N5—C21—C22 | 121.0 (6) |
O2—S1—O3 | 115.6 (4) | C22—C21—C16 | 124.0 (6) |
O2—S1—C31 | 103.2 (3) | C24—C23—C22 | 119.0 (7) |
O3—S1—C31 | 103.2 (4) | C24—C23—H23 | 120.5 |
O6—S2—O4 | 112.7 (4) | C22—C23—H23 | 120.5 |
O6—S2—C32 | 103.3 (4) | C4—C3—Cl1 | 119.8 (6) |
O5—S2—O6 | 115.1 (4) | C4—C3—C2 | 122.5 (6) |
O5—S2—O4 | 117.6 (6) | C2—C3—Cl1 | 117.6 (6) |
O5—S2—C32 | 103.5 (4) | N3—C11—C12 | 122.2 (6) |
O4—S2—C32 | 101.9 (4) | N3—C11—C5 | 115.3 (6) |
C20—N4—Zn1 | 119.5 (4) | C12—C11—C5 | 122.5 (6) |
C20—N4—C16 | 120.9 (5) | C18—C19—H19 | 121.9 |
C16—N4—Zn1 | 119.5 (5) | C20—C19—C18 | 116.1 (6) |
C5—N1—Zn1 | 119.4 (4) | C20—C19—H19 | 121.9 |
C1—N1—Zn1 | 120.1 (4) | C5—C4—H4 | 121.1 |
C1—N1—C5 | 120.5 (5) | C3—C4—C5 | 117.7 (7) |
C17—C18—Cl2 | 118.8 (6) | C3—C4—H4 | 121.1 |
C17—C18—C19 | 122.4 (5) | C1—C2—C3 | 116.1 (7) |
C19—C18—Cl2 | 118.8 (6) | C1—C2—H2 | 122.0 |
C15—N3—Zn1 | 126.4 (5) | C3—C2—H2 | 122.0 |
C15—N3—C11 | 118.6 (6) | N6—C30—C29 | 123.3 (6) |
C11—N3—Zn1 | 114.8 (4) | N6—C30—H30 | 118.3 |
C21—N5—Zn1 | 116.1 (5) | C29—C30—H30 | 118.3 |
C25—N5—Zn1 | 124.6 (4) | N2—C10—C9 | 122.9 (6) |
C25—N5—C21 | 119.3 (6) | N2—C10—H10 | 118.5 |
C26—N6—Zn1 | 116.3 (4) | C9—C10—H10 | 118.5 |
C30—N6—Zn1 | 125.8 (4) | C9—C8—H8 | 120.5 |
C30—N6—C26 | 117.9 (6) | C9—C8—C7 | 119.0 (7) |
C6—N2—Zn1 | 115.1 (4) | C7—C8—H8 | 120.5 |
C10—N2—Zn1 | 126.9 (4) | C15—C14—H14 | 121.1 |
C10—N2—C6 | 117.6 (6) | C13—C14—C15 | 117.8 (6) |
C11—C12—H12 | 120.7 | C13—C14—H14 | 121.1 |
C11—C12—C13 | 118.5 (6) | C12—C13—H13 | 119.8 |
C13—C12—H12 | 120.7 | C14—C13—C12 | 120.5 (7) |
N1—C5—C11 | 114.3 (6) | C14—C13—H13 | 119.8 |
N1—C5—C4 | 121.1 (6) | N5—C25—C24 | 122.3 (6) |
C4—C5—C11 | 124.4 (6) | N5—C25—H25 | 118.8 |
N4—C20—C26 | 114.8 (5) | C24—C25—H25 | 118.8 |
N4—C20—C19 | 122.1 (6) | C6—C7—C8 | 118.7 (6) |
C19—C20—C26 | 123.1 (6) | C6—C7—H7 | 120.7 |
C29—C28—H28 | 120.6 | C8—C7—H7 | 120.7 |
C29—C28—C27 | 118.9 (7) | C28—C27—H27 | 120.2 |
C27—C28—H28 | 120.6 | C26—C27—C28 | 119.7 (6) |
C28—C29—H29 | 120.7 | C26—C27—H27 | 120.2 |
C28—C29—C30 | 118.6 (6) | F1—C31—S1 | 112.4 (6) |
C30—C29—H29 | 120.7 | F3—C31—S1 | 111.0 (5) |
C23—C24—H24 | 120.6 | F3—C31—F1 | 108.2 (6) |
C23—C24—C25 | 118.8 (7) | F3—C31—F2 | 107.3 (7) |
C25—C24—H24 | 120.6 | F2—C31—S1 | 110.9 (5) |
N4—C16—C17 | 121.8 (7) | F2—C31—F1 | 106.8 (6) |
N4—C16—C21 | 114.5 (5) | F6—C32—S2 | 112.9 (6) |
C17—C16—C21 | 123.8 (6) | F6—C32—F4 | 106.8 (6) |
C18—C17—H17 | 121.6 | F4—C32—S2 | 108.3 (5) |
C16—C17—C18 | 116.8 (6) | F5—C32—S2 | 113.9 (6) |
C16—C17—H17 | 121.6 | F5—C32—F6 | 108.7 (6) |
N1—C1—C6 | 114.5 (5) | F5—C32—F4 | 105.8 (7) |
N1—C1—C2 | 122.0 (6) | ||
Zn1—N4—C20—C26 | 1.4 (7) | C16—N4—C20—C26 | 178.3 (5) |
Zn1—N4—C20—C19 | −177.6 (5) | C16—N4—C20—C19 | −0.8 (10) |
Zn1—N4—C16—C17 | 177.1 (5) | C17—C18—C19—C20 | −1.1 (11) |
Zn1—N4—C16—C21 | −1.3 (8) | C17—C16—C21—N5 | −175.0 (6) |
Zn1—N1—C5—C11 | 1.6 (8) | C17—C16—C21—C22 | 4.1 (11) |
Zn1—N1—C5—C4 | 177.8 (6) | C1—N1—C5—C11 | 179.9 (6) |
Zn1—N1—C1—C6 | −0.8 (9) | C1—N1—C5—C4 | −3.9 (11) |
Zn1—N1—C1—C2 | −178.7 (6) | C1—C6—C7—C8 | 179.2 (7) |
Zn1—N3—C15—C14 | −170.6 (5) | C6—N2—C10—C9 | 1.7 (10) |
Zn1—N3—C11—C12 | 170.7 (5) | C6—C1—C2—C3 | −179.2 (7) |
Zn1—N3—C11—C5 | −7.4 (8) | O3—S1—C31—F1 | 54.5 (6) |
Zn1—N5—C21—C16 | −3.7 (7) | O3—S1—C31—F3 | −66.9 (7) |
Zn1—N5—C21—C22 | 177.1 (5) | O3—S1—C31—F2 | 174.0 (5) |
Zn1—N5—C25—C24 | −177.2 (5) | C15—N3—C11—C12 | −3.7 (10) |
Zn1—N6—C26—C20 | −3.7 (7) | C15—N3—C11—C5 | 178.1 (6) |
Zn1—N6—C26—C27 | 177.0 (5) | C15—C14—C13—C12 | −2.0 (11) |
Zn1—N6—C30—C29 | −176.6 (5) | C26—N6—C30—C29 | −0.1 (10) |
Zn1—N2—C6—C1 | −7.7 (7) | C26—C20—C19—C18 | −177.8 (6) |
Zn1—N2—C6—C7 | 171.2 (5) | C9—C8—C7—C6 | 1.5 (11) |
Zn1—N2—C10—C9 | −170.5 (5) | C21—N5—C25—C24 | 2.1 (10) |
Cl2—C18—C17—C16 | −179.4 (5) | C21—C16—C17—C18 | 178.0 (6) |
Cl2—C18—C19—C20 | 178.9 (5) | C21—C22—C23—C24 | −0.9 (10) |
Cl1—C3—C4—C5 | −179.5 (6) | C23—C24—C25—N5 | −1.3 (10) |
Cl1—C3—C2—C1 | 178.6 (6) | C23—C22—C21—N5 | 1.7 (10) |
N4—C20—C26—N6 | 1.6 (8) | C23—C22—C21—C16 | −177.4 (6) |
N4—C20—C26—C27 | −179.1 (6) | C11—N3—C15—C14 | 3.2 (10) |
N4—C20—C19—C18 | 1.1 (10) | C11—C12—C13—C14 | 1.4 (11) |
N4—C16—C17—C18 | −0.2 (10) | C11—C5—C4—C3 | 179.1 (7) |
N4—C16—C21—N5 | 3.3 (8) | C19—C18—C17—C16 | 0.6 (11) |
N4—C16—C21—C22 | −177.5 (6) | C19—C20—C26—N6 | −179.4 (6) |
N1—C5—C11—N3 | 4.1 (9) | C19—C20—C26—C27 | −0.1 (10) |
N1—C5—C11—C12 | −174.1 (7) | C4—C5—C11—N3 | −172.0 (7) |
N1—C5—C4—C3 | 3.3 (12) | C4—C5—C11—C12 | 9.9 (11) |
N1—C1—C6—N2 | 5.8 (9) | C4—C3—C2—C1 | 0.9 (13) |
N1—C1—C6—C7 | −173.1 (7) | C2—C1—C6—N2 | −176.4 (7) |
N1—C1—C2—C3 | −1.4 (12) | C2—C1—C6—C7 | 4.8 (11) |
N3—C15—C14—C13 | −0.3 (10) | C2—C3—C4—C5 | −1.8 (13) |
N6—C26—C27—C28 | 0.3 (10) | C30—N6—C26—C20 | 179.4 (5) |
O6—S2—C32—F6 | −179.0 (6) | C30—N6—C26—C27 | 0.1 (9) |
O6—S2—C32—F4 | −60.9 (6) | C10—N2—C6—C1 | 179.1 (6) |
O6—S2—C32—F5 | 56.5 (7) | C10—N2—C6—C7 | −2.0 (10) |
N2—C6—C7—C8 | 0.4 (11) | C10—C9—C8—C7 | −1.7 (10) |
O1—S1—C31—F1 | 172.7 (5) | C8—C9—C10—N2 | 0.1 (10) |
O1—S1—C31—F3 | 51.3 (7) | C13—C12—C11—N3 | 1.5 (11) |
O1—S1—C31—F2 | −67.8 (5) | C13—C12—C11—C5 | 179.5 (7) |
C5—N1—C1—C6 | −179.1 (6) | C25—N5—C21—C16 | 176.9 (6) |
C5—N1—C1—C2 | 2.9 (11) | C25—N5—C21—C22 | −2.3 (9) |
O2—S1—C31—F1 | −66.3 (6) | C25—C24—C23—C22 | 0.7 (10) |
O2—S1—C31—F3 | 172.3 (6) | O5—S2—C32—F6 | −58.6 (7) |
O2—S1—C31—F2 | 53.2 (6) | O5—S2—C32—F4 | 59.5 (6) |
C20—N4—C16—C17 | 0.3 (10) | O5—S2—C32—F5 | 176.9 (7) |
C20—N4—C16—C21 | −178.1 (5) | O4—S2—C32—F6 | 63.9 (8) |
C20—C26—C27—C28 | −178.9 (6) | O4—S2—C32—F4 | −178.0 (6) |
C28—C29—C30—N6 | −0.3 (10) | O4—S2—C32—F5 | −60.6 (8) |
C29—C28—C27—C26 | −0.7 (10) | C27—C28—C29—C30 | 0.7 (10) |
Acknowledgements
We are thankful for the support of the Department of Chemistry and Biochemistry at the University of the Incarnate Word and the X-ray Diffraction Laboratory at the University of Texas at San Antonio.
Funding information
Funding for this research was provided by: National Science Foundation (award No. 1920059); Welch Foundation (award No. BN0032).
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