metal-organic compounds
cis-bis{4-phenyl-1-[(3R)-1,7,7-trimethyl-2-oxobicyclo[2.2.1]heptan-3-ylidene]thiosemicarbazidato-κ3O,N1,S}cadmium(II) with an unknown solvent molecule
ofaEscola de Química e Alimentos, Universidade Federal do Rio Grande, Av. Itália km 08, Campus Carreiros, 96203-900 Rio Grande–RS, Brazil, bInstitut für Anorganische Chemie, Christian-Albrechts-Universität zu Kiel, Max-Eyth-Strasse 2, D-24118 Kiel, Germany, and cDepartamento de Química, Universidade Federal de Sergipe, Av. Marechal Rondon s/n, Campus, 49100-000 São Cristóvão–SE, Brazil
*Correspondence e-mail: leandro_bresolin@yahoo.com.br
The reaction between the 17H20N3OS)2]. The CdII ion is six-coordinated in a distorted octahedral environment by two deprotonated thiosemicarbazone ligands acting as an O,N,S-donor in a tridentate chelating mode, forming five-membered chelate rings. In the crystal, the molecules are connected via pairs of N—H⋯S and C—H⋯S interactions, building centrosymmetric dimers. One of the ligands is disordered in the campher unit over two sets of sites with site-occupancy factors of 0.7 and 0.3. The structure contains additional solvent molecules, which are disordered and for which no reasonable split model was found. Therefore, the data were corrected for disordered solvent using the SQUEEZE routine [Spek (2015). Acta Cryst. C71, 9–18] in PLATON. Since the disordered solvents were removed by data processing, and the number of solvent entities was a suggestion only, they were not considered in the chemical formula and subsequent chemical or crystal information.
of the camphor-4-phenylthiosemicarbazone derivative and cadmium acetate dihydrate yielded the title compound, [Cd(CKeywords: crystal structure; ONS-thiosemicarbazone donor; camphor-thiosemicarbazone; cadmium-thiosemicarbazone complex.
CCDC reference: 1436346
1. Related literature
For one of the first reports of the synthesis of thiosemicarbazone derivatives, see: Freund & Schander (1902). For one example of camphor oxidation to 1,2-diketone, see: Młochowski & Wójtowicz-Młochowska (2015). For the synthesis and of an octahedral CdII complex with a thiosemicarbazone derivative, see: Fonseca et al. (2012). For a review on the coordination chemistry of thiosemicarbazone derivatives, see: Lobana et al. (2009).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: X-AREA (Stoe & Cie, 2008); cell X-AREA; data reduction: X-AREA; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010) and enCIFer (Allen et al., 2004).
Supporting information
CCDC reference: 1436346
https://doi.org/10.1107/S2056989015021428/is5430sup1.cif
contains datablocks I, General. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989015021428/is5430Isup2.hkl
Our ongoing research deals with the synthesis and
analysis of thiosemicarbazone derivatives from natural products with an supramolecular approach. Herein we report the synthesis and the of a new CdII complex with the R,S-camphor-4-phenylthiosemicarbazone, a derivative from a of camphor. In the title compound the molecular structure matches the and the metal ion is six-coordinated in a distorted octahedral environment by two thiosemicarbazonate ligands (Fig. 1). The ligands are ONS-donors and build a chelate coordination mode, where each ligand forms two five-membered rings. The maximum deviation from the mean plane of the Cd1/S1/C1/N2/N3/C8/C9/O1 chelating group amounts to 0.0811 (11) Å for S1 and for the Cd1/S21/C21/N22/N23/C28/C29/O21 chelating group amounts to 0.0801 (26) Å for C29, with the dihedral angle between the two chelate entities being measured as 73.16 (5)°. The two ligands are deprotonated and the negative charge is delocalized over the C—N—N—C—S fragment as suggested by their intermediate bond distances. The imine and thioamide C—N distances indicate considerable double bond character, while the C—S distance is consistent with increased single bond character. This change on the bond character is a key feature to distinguish neutral/free or deprotonated/coordinated thiosemicarbazones. For the title compound, these distances are C8—N3 = 1.280 (3) Å, N2—N3 = 1.362 (3) Å, N2—C1 = 1.319 (3) Å and C1—S1 = 1.734 (3) Å for one ligand and C28—N23 = 1.278 (4) Å, N22—N23 = 1.367 (3) Å, N22—C21 = 1.313 (4) Å and C21—S21 = 1.743 (3) Å for the another one. The bond distances and the meridional coordination geometry agree with a similar CdII thiosemicarbazonate octahedral complex (Fonseca et al., 2012) and are supported by literature data (Lobana et al., 2009). The camphor molecule has two chiral carbon atoms and a was used in the synthesis.From the two crystallographically independent ligands in the
one is disordered in the campher unit with S. O. F. = 0.7:0.3 (Fig. 2). The complex molecules are connected into centrosymmetric dimers via pairs of N—H···S and C—H···S intermolecurar interactions. The dimers are stacked along the crystallographic a-direction (Fig. 3 and Table 1).Starting materials were commercially available and were used without further purification. An R,S-camphor
was oxidized with SeO2 to the respective 1,2-diketone (Młochowski & Wójtowicz-Młochowska, 2015). The synthesis of the R,S-camphor-4-phenylthiosemicarbazone derivative was adapted from a procedure reported previously (Freund & Schander, 1902). The ligand (2 mmol) was dissolved in ethanol (20 mL) and deprotonated with 1 mL of a 1 M KOH aqueous solution. Stirring was maintained for 40 min, while the reaction mixture turns yellow. A solution of cadmium acetate dihydrate (1 mmol) also in ethanol (20 mL) was added under continuous stirring and under slight warming to 333 K. After 3 h a yellow solid was formed. This solid was filtered-off, washed with small portions of cool ethanol and dried at room conditions. A bulk, rough material was observed and it was impossible to isolate enough quantities of the title compound for complementar analysis or for yield calculation. Colourless crystals of the complex, suitable for X-ray analysis, were obtained by recrystallization from an ethanol solution.All non-hydrogen atoms except the disordered C atoms of lower occupancy were refined anisotropic. The C—H and N—H H atoms were positioned with idealized geometry and were refined isotropic with Uiso(H) = 1.2 Ueq(C,N) (1.5 for methyl H atoms) using a riding model.
The campher unit in one of the two independent ligands is disordered. This part was refined using a split model with S. O. F. = 0.7:0.3 and with similarity restraints (SAME). The site occupation factors were selected in order that the disordered atoms exhibits similar isotropic displacement parameters based on the isotropic
If the isotropic displacement parameters are fixed and the S. O. F. is refined, similar values are obtained. Finally, the disordered atoms of higher occupancy were refined anisotropic.The refined structure contained additional disordered solvate molecules. Because no reasonable split model was found, the data were corrected for disordered solvent using the SQUEEZE option in PLATON (Spek, 2015). The void volume and void count electrons amount to 234 Å3 and 55 e-·Å-3. The void electrons count of 55 can be assigned to two solvent ethanol molecules (52 electrons in total). Ethanol was the synthesis solvent. Since the disordered solvents were removed by data processing, and the estimated number of two ethanol molecules was a suggestion only, they were not considered in the chemical formula and subsequent chemical or crystal informations.
Our ongoing research deals with the synthesis and
analysis of thiosemicarbazone derivatives from natural products with an supramolecular approach. Herein we report the synthesis and the of a new CdII complex with the R,S-camphor-4-phenylthiosemicarbazone, a derivative from a of camphor. In the title compound the molecular structure matches the and the metal ion is six-coordinated in a distorted octahedral environment by two thiosemicarbazonate ligands (Fig. 1). The ligands are ONS-donors and build a chelate coordination mode, where each ligand forms two five-membered rings. The maximum deviation from the mean plane of the Cd1/S1/C1/N2/N3/C8/C9/O1 chelating group amounts to 0.0811 (11) Å for S1 and for the Cd1/S21/C21/N22/N23/C28/C29/O21 chelating group amounts to 0.0801 (26) Å for C29, with the dihedral angle between the two chelate entities being measured as 73.16 (5)°. The two ligands are deprotonated and the negative charge is delocalized over the C—N—N—C—S fragment as suggested by their intermediate bond distances. The imine and thioamide C—N distances indicate considerable double bond character, while the C—S distance is consistent with increased single bond character. This change on the bond character is a key feature to distinguish neutral/free or deprotonated/coordinated thiosemicarbazones. For the title compound, these distances are C8—N3 = 1.280 (3) Å, N2—N3 = 1.362 (3) Å, N2—C1 = 1.319 (3) Å and C1—S1 = 1.734 (3) Å for one ligand and C28—N23 = 1.278 (4) Å, N22—N23 = 1.367 (3) Å, N22—C21 = 1.313 (4) Å and C21—S21 = 1.743 (3) Å for the another one. The bond distances and the meridional coordination geometry agree with a similar CdII thiosemicarbazonate octahedral complex (Fonseca et al., 2012) and are supported by literature data (Lobana et al., 2009). The camphor molecule has two chiral carbon atoms and a was used in the synthesis.From the two crystallographically independent ligands in the
one is disordered in the campher unit with S. O. F. = 0.7:0.3 (Fig. 2). The complex molecules are connected into centrosymmetric dimers via pairs of N—H···S and C—H···S intermolecurar interactions. The dimers are stacked along the crystallographic a-direction (Fig. 3 and Table 1).For one of the first reports of the synthesis of thiosemicarbazone derivatives, see: Freund & Schander (1902). For one example of camphor oxidation to 1,2-diketone, see: Młochowski & Wójtowicz-Młochowska (2015). For the synthesis and
of an octahedral CdII complex with a thiosemicarbazone derivative, see: Fonseca et al. (2012). For a review on the coordination chemistry of thiosemicarbazone derivatives, see: Lobana et al. (2009).Starting materials were commercially available and were used without further purification. An R,S-camphor
was oxidized with SeO2 to the respective 1,2-diketone (Młochowski & Wójtowicz-Młochowska, 2015). The synthesis of the R,S-camphor-4-phenylthiosemicarbazone derivative was adapted from a procedure reported previously (Freund & Schander, 1902). The ligand (2 mmol) was dissolved in ethanol (20 mL) and deprotonated with 1 mL of a 1 M KOH aqueous solution. Stirring was maintained for 40 min, while the reaction mixture turns yellow. A solution of cadmium acetate dihydrate (1 mmol) also in ethanol (20 mL) was added under continuous stirring and under slight warming to 333 K. After 3 h a yellow solid was formed. This solid was filtered-off, washed with small portions of cool ethanol and dried at room conditions. A bulk, rough material was observed and it was impossible to isolate enough quantities of the title compound for complementar analysis or for yield calculation. Colourless crystals of the complex, suitable for X-ray analysis, were obtained by recrystallization from an ethanol solution. detailsAll non-hydrogen atoms except the disordered C atoms of lower occupancy were refined anisotropic. The C—H and N—H H atoms were positioned with idealized geometry and were refined isotropic with Uiso(H) = 1.2 Ueq(C,N) (1.5 for methyl H atoms) using a riding model.
The campher unit in one of the two independent ligands is disordered. This part was refined using a split model with S. O. F. = 0.7:0.3 and with similarity restraints (SAME). The site occupation factors were selected in order that the disordered atoms exhibits similar isotropic displacement parameters based on the isotropic
If the isotropic displacement parameters are fixed and the S. O. F. is refined, similar values are obtained. Finally, the disordered atoms of higher occupancy were refined anisotropic.The refined structure contained additional disordered solvate molecules. Because no reasonable split model was found, the data were corrected for disordered solvent using the SQUEEZE option in PLATON (Spek, 2015). The void volume and void count electrons amount to 234 Å3 and 55 e-·Å-3. The void electrons count of 55 can be assigned to two solvent ethanol molecules (52 electrons in total). Ethanol was the synthesis solvent. Since the disordered solvents were removed by data processing, and the estimated number of two ethanol molecules was a suggestion only, they were not considered in the chemical formula and subsequent chemical or crystal informations.
Data collection: X-AREA (Stoe & Cie, 2008); cell
X-AREA (Stoe & Cie, 2008); data reduction: X-AREA (Stoe & Cie, 2008); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: DIAMOND (Brandenburg, 2006); software used to prepare material for publication: publCIF (Westrip, 2010) and enCIFer (Allen et al., 2004).[Cd(C17H20N3OS)2] | V = 1866.74 (12) Å3 |
Mr = 741.24 | Z = 2 |
Triclinic, P1 | F(000) = 764 |
a = 10.3613 (3) Å | Dx = 1.319 Mg m−3 |
b = 12.3817 (4) Å | Mo Kα radiation, λ = 0.71073 Å |
c = 16.5366 (6) Å | µ = 0.73 mm−1 |
α = 68.727 (3)° | T = 170 K |
β = 72.094 (3)° | Block, colourless |
γ = 89.892 (3)° | 0.18 × 0.14 × 0.08 mm |
Stoe IPDS-1 diffractometer | 7089 reflections with I > 2σ(I) |
Radiation source: fine-focus sealed X-ray tube, Stoe IPDS-1 | Rint = 0.029 |
φ scans | θmax = 27.0°, θmin = 1.4° |
Absorption correction: numerical (X-RED32 and X-SHAPE; Stoe & Cie, 2008) | h = −13→13 |
Tmin = 0.831, Tmax = 0.957 | k = −15→15 |
27175 measured reflections | l = −21→21 |
8157 independent reflections |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.038 | H-atom parameters constrained |
wR(F2) = 0.103 | w = 1/[σ2(Fo2) + (0.0619P)2 + 0.5654P] where P = (Fo2 + 2Fc2)/3 |
S = 1.04 | (Δ/σ)max = 0.018 |
8157 reflections | Δρmax = 0.52 e Å−3 |
439 parameters | Δρmin = −0.77 e Å−3 |
20 restraints | Extinction correction: SHELXL2014 (Sheldrick, 2015), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0021 (6) |
[Cd(C17H20N3OS)2] | γ = 89.892 (3)° |
Mr = 741.24 | V = 1866.74 (12) Å3 |
Triclinic, P1 | Z = 2 |
a = 10.3613 (3) Å | Mo Kα radiation |
b = 12.3817 (4) Å | µ = 0.73 mm−1 |
c = 16.5366 (6) Å | T = 170 K |
α = 68.727 (3)° | 0.18 × 0.14 × 0.08 mm |
β = 72.094 (3)° |
Stoe IPDS-1 diffractometer | 8157 independent reflections |
Absorption correction: numerical (X-RED32 and X-SHAPE; Stoe & Cie, 2008) | 7089 reflections with I > 2σ(I) |
Tmin = 0.831, Tmax = 0.957 | Rint = 0.029 |
27175 measured reflections |
R[F2 > 2σ(F2)] = 0.038 | 20 restraints |
wR(F2) = 0.103 | H-atom parameters constrained |
S = 1.04 | Δρmax = 0.52 e Å−3 |
8157 reflections | Δρmin = −0.77 e Å−3 |
439 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. |
x | y | z | Uiso*/Ueq | Occ. (<1) | |
Cd1 | 0.63629 (2) | 0.72196 (2) | 0.19359 (2) | 0.05151 (8) | |
S1 | 0.73767 (8) | 0.53984 (6) | 0.18346 (6) | 0.06243 (19) | |
O1 | 0.42054 (19) | 0.82822 (16) | 0.20261 (16) | 0.0612 (5) | |
N1 | 0.6277 (3) | 0.37580 (19) | 0.15356 (18) | 0.0580 (6) | |
H1 | 0.7055 | 0.3510 | 0.1589 | 0.070* | |
N2 | 0.4807 (2) | 0.51031 (18) | 0.17160 (17) | 0.0540 (5) | |
N3 | 0.4666 (2) | 0.61471 (18) | 0.18144 (16) | 0.0497 (5) | |
C1 | 0.6024 (3) | 0.4765 (2) | 0.16824 (19) | 0.0523 (6) | |
C2 | 0.5488 (3) | 0.3049 (2) | 0.1312 (2) | 0.0537 (6) | |
C3 | 0.5770 (3) | 0.1895 (2) | 0.1500 (2) | 0.0576 (6) | |
H3 | 0.6405 | 0.1606 | 0.1813 | 0.069* | |
C4 | 0.5128 (3) | 0.1175 (3) | 0.1231 (3) | 0.0676 (8) | |
H4 | 0.5329 | 0.0393 | 0.1357 | 0.081* | |
C5 | 0.4201 (3) | 0.1579 (3) | 0.0783 (3) | 0.0709 (8) | |
H5 | 0.3767 | 0.1082 | 0.0596 | 0.085* | |
C6 | 0.3904 (4) | 0.2709 (3) | 0.0608 (3) | 0.0706 (8) | |
H6 | 0.3253 | 0.2984 | 0.0307 | 0.085* | |
C7 | 0.4542 (3) | 0.3452 (3) | 0.0866 (2) | 0.0648 (7) | |
H7 | 0.4334 | 0.4232 | 0.0737 | 0.078* | |
C8 | 0.3484 (3) | 0.6498 (2) | 0.1934 (2) | 0.0527 (6) | |
C9 | 0.3312 (3) | 0.7644 (2) | 0.2025 (2) | 0.0552 (6) | |
C10 | 0.1844 (3) | 0.7820 (3) | 0.2097 (2) | 0.0646 (7) | |
C11 | 0.1820 (4) | 0.8005 (3) | 0.1098 (3) | 0.0748 (9) | |
H11A | 0.0954 | 0.8285 | 0.1018 | 0.090* | |
H11B | 0.2593 | 0.8582 | 0.0620 | 0.090* | |
C12 | 0.1945 (4) | 0.6810 (4) | 0.1038 (3) | 0.0788 (9) | |
H12A | 0.2754 | 0.6837 | 0.0517 | 0.095* | |
H12B | 0.1116 | 0.6514 | 0.0967 | 0.095* | |
C13 | 0.2109 (3) | 0.6035 (3) | 0.1985 (2) | 0.0639 (7) | |
H13 | 0.1940 | 0.5171 | 0.2169 | 0.077* | |
C14 | 0.1155 (3) | 0.6547 (3) | 0.2631 (3) | 0.0679 (8) | |
C15 | 0.1274 (4) | 0.6047 (4) | 0.3600 (2) | 0.0842 (10) | |
H15A | 0.2236 | 0.6137 | 0.3555 | 0.126* | |
H15B | 0.0750 | 0.6469 | 0.3966 | 0.126* | |
H15C | 0.0912 | 0.5217 | 0.3896 | 0.126* | |
C16 | −0.0346 (3) | 0.6409 (4) | 0.2700 (3) | 0.0880 (11) | |
H16A | −0.0889 | 0.6755 | 0.3122 | 0.132* | |
H16B | −0.0432 | 0.6806 | 0.2091 | 0.132* | |
H16C | −0.0680 | 0.5577 | 0.2931 | 0.132* | |
C17 | 0.1301 (3) | 0.8764 (3) | 0.2432 (3) | 0.0763 (9) | |
H17A | 0.0347 | 0.8809 | 0.2455 | 0.114* | |
H17B | 0.1354 | 0.8583 | 0.3048 | 0.114* | |
H17C | 0.1849 | 0.9515 | 0.2012 | 0.114* | |
S21 | 0.80796 (7) | 0.89648 (6) | 0.07495 (5) | 0.05587 (16) | |
O21 | 0.4762 (2) | 0.62965 (17) | 0.36571 (15) | 0.0656 (5) | |
N21 | 0.9069 (2) | 1.0676 (2) | 0.10330 (18) | 0.0576 (5) | |
H21 | 0.9552 | 1.0802 | 0.0460 | 0.069* | |
N22 | 0.7536 (2) | 0.9355 (2) | 0.23571 (18) | 0.0559 (5) | |
N23 | 0.6675 (2) | 0.83345 (19) | 0.27396 (17) | 0.0541 (5) | |
C21 | 0.8192 (3) | 0.9663 (2) | 0.1475 (2) | 0.0533 (6) | |
C22 | 0.9341 (3) | 1.1559 (3) | 0.1333 (2) | 0.0608 (7) | |
C23 | 1.0073 (3) | 1.2596 (3) | 0.0638 (3) | 0.0693 (8) | |
H23 | 1.0365 | 1.2659 | 0.0018 | 0.083* | |
C24 | 1.0382 (4) | 1.3540 (3) | 0.0841 (4) | 0.0852 (12) | |
H24 | 1.0886 | 1.4242 | 0.0362 | 0.102* | |
C25 | 0.9959 (4) | 1.3452 (4) | 0.1731 (4) | 0.0950 (14) | |
H25 | 1.0156 | 1.4097 | 0.1874 | 0.114* | |
C26 | 0.9245 (4) | 1.2426 (4) | 0.2422 (4) | 0.1024 (16) | |
H26 | 0.8959 | 1.2371 | 0.3041 | 0.123* | |
C27 | 0.8932 (3) | 1.1461 (4) | 0.2232 (3) | 0.0841 (11) | |
H27 | 0.8447 | 1.0755 | 0.2714 | 0.101* | |
C28 | 0.5920 (3) | 0.8037 (2) | 0.3577 (2) | 0.0616 (7) | |
C29 | 0.4897 (4) | 0.6983 (3) | 0.4008 (2) | 0.0657 (7) | |
C30 | 0.3914 (5) | 0.7073 (4) | 0.4896 (3) | 0.0636 (10) | 0.7 |
C31 | 0.3272 (7) | 0.8220 (6) | 0.4572 (4) | 0.091 (2) | 0.7 |
H31A | 0.2861 | 0.8217 | 0.4106 | 0.109* | 0.7 |
H31B | 0.2541 | 0.8279 | 0.5100 | 0.109* | 0.7 |
C32 | 0.4329 (7) | 0.9221 (5) | 0.4177 (4) | 0.0885 (16) | 0.7 |
H32A | 0.4131 | 0.9731 | 0.4533 | 0.106* | 0.7 |
H32B | 0.4428 | 0.9688 | 0.3528 | 0.106* | 0.7 |
C33 | 0.5647 (8) | 0.8600 (4) | 0.4263 (4) | 0.0668 (18) | 0.7 |
H33 | 0.6439 | 0.9103 | 0.4219 | 0.080* | 0.7 |
C34 | 0.5009 (6) | 0.7574 (5) | 0.5187 (4) | 0.0837 (15) | 0.7 |
C35 | 0.6079 (9) | 0.6655 (6) | 0.5374 (6) | 0.0905 (19) | 0.7 |
H35A | 0.6458 | 0.6447 | 0.4837 | 0.136* | 0.7 |
H35B | 0.6821 | 0.7005 | 0.5486 | 0.136* | 0.7 |
H35C | 0.5614 | 0.5951 | 0.5913 | 0.136* | 0.7 |
C36 | 0.4387 (7) | 0.7926 (5) | 0.6011 (4) | 0.0886 (17) | 0.7 |
H36A | 0.4006 | 0.7223 | 0.6570 | 0.133* | 0.7 |
H36B | 0.5099 | 0.8370 | 0.6083 | 0.133* | 0.7 |
H36C | 0.3660 | 0.8412 | 0.5908 | 0.133* | 0.7 |
C37 | 0.2956 (15) | 0.5992 (10) | 0.5560 (9) | 0.090 (4) | 0.7 |
H37A | 0.2383 | 0.6140 | 0.6094 | 0.135* | 0.7 |
H37B | 0.2375 | 0.5779 | 0.5259 | 0.135* | 0.7 |
H37C | 0.3485 | 0.5351 | 0.5761 | 0.135* | 0.7 |
C30' | 0.4475 (12) | 0.6790 (9) | 0.5002 (8) | 0.066 (3)* | 0.3 |
C31' | 0.5572 (17) | 0.6658 (16) | 0.5409 (15) | 0.094 (7)* | 0.3 |
H31C | 0.6026 | 0.5967 | 0.5366 | 0.112* | 0.3 |
H31D | 0.5182 | 0.6539 | 0.6066 | 0.112* | 0.3 |
C32' | 0.6593 (13) | 0.7734 (11) | 0.4905 (9) | 0.083 (3)* | 0.3 |
H32C | 0.7465 | 0.7579 | 0.4529 | 0.100* | 0.3 |
H32D | 0.6775 | 0.8055 | 0.5333 | 0.100* | 0.3 |
C33' | 0.5827 (19) | 0.857 (2) | 0.4286 (17) | 0.146 (14)* | 0.3 |
H33' | 0.6111 | 0.9433 | 0.4052 | 0.176* | 0.3 |
C34' | 0.4308 (12) | 0.8135 (10) | 0.4799 (8) | 0.076 (3)* | 0.3 |
C35' | 0.3305 (15) | 0.8611 (14) | 0.4200 (11) | 0.082 (4)* | 0.3 |
H35D | 0.2358 | 0.8285 | 0.4584 | 0.122* | 0.3 |
H35E | 0.3387 | 0.9466 | 0.3979 | 0.122* | 0.3 |
H35F | 0.3562 | 0.8372 | 0.3674 | 0.122* | 0.3 |
C36' | 0.372 (3) | 0.842 (2) | 0.5673 (14) | 0.162 (9)* | 0.3 |
H36D | 0.2743 | 0.8113 | 0.5965 | 0.243* | 0.3 |
H36E | 0.4207 | 0.8056 | 0.6105 | 0.243* | 0.3 |
H36F | 0.3821 | 0.9267 | 0.5502 | 0.243* | 0.3 |
C37' | 0.313 (3) | 0.598 (3) | 0.553 (3) | 0.105 (12)* | 0.3 |
H37D | 0.2512 | 0.6176 | 0.5170 | 0.157* | 0.3 |
H37E | 0.3313 | 0.5166 | 0.5649 | 0.157* | 0.3 |
H37F | 0.2708 | 0.6064 | 0.6119 | 0.157* | 0.3 |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cd1 | 0.04595 (11) | 0.03978 (11) | 0.07460 (14) | 0.00295 (7) | −0.02207 (9) | −0.02640 (9) |
S1 | 0.0592 (4) | 0.0487 (4) | 0.0981 (5) | 0.0148 (3) | −0.0396 (4) | −0.0376 (4) |
O1 | 0.0486 (10) | 0.0435 (10) | 0.0958 (15) | 0.0036 (7) | −0.0252 (10) | −0.0300 (10) |
N1 | 0.0618 (13) | 0.0424 (11) | 0.0850 (16) | 0.0137 (10) | −0.0352 (12) | −0.0322 (11) |
N2 | 0.0561 (12) | 0.0380 (10) | 0.0741 (14) | 0.0058 (9) | −0.0255 (11) | −0.0249 (10) |
N3 | 0.0477 (11) | 0.0392 (10) | 0.0663 (13) | 0.0036 (8) | −0.0225 (10) | −0.0215 (9) |
C1 | 0.0587 (14) | 0.0373 (12) | 0.0648 (15) | 0.0055 (10) | −0.0254 (12) | −0.0195 (11) |
C2 | 0.0571 (14) | 0.0411 (13) | 0.0662 (16) | 0.0043 (10) | −0.0202 (12) | −0.0244 (12) |
C3 | 0.0570 (15) | 0.0406 (13) | 0.0762 (18) | 0.0060 (11) | −0.0214 (13) | −0.0238 (12) |
C4 | 0.0634 (17) | 0.0457 (15) | 0.096 (2) | 0.0032 (12) | −0.0216 (16) | −0.0333 (15) |
C5 | 0.0663 (18) | 0.0607 (18) | 0.097 (2) | 0.0000 (14) | −0.0265 (17) | −0.0431 (17) |
C6 | 0.0709 (19) | 0.0677 (19) | 0.091 (2) | 0.0112 (15) | −0.0385 (17) | −0.0405 (17) |
C7 | 0.0753 (19) | 0.0495 (15) | 0.083 (2) | 0.0152 (13) | −0.0383 (16) | −0.0303 (14) |
C8 | 0.0455 (13) | 0.0448 (13) | 0.0712 (16) | 0.0021 (10) | −0.0221 (12) | −0.0233 (12) |
C9 | 0.0456 (13) | 0.0438 (13) | 0.0770 (17) | 0.0032 (10) | −0.0207 (12) | −0.0232 (12) |
C10 | 0.0458 (14) | 0.0570 (16) | 0.094 (2) | 0.0066 (12) | −0.0229 (14) | −0.0315 (16) |
C11 | 0.0594 (17) | 0.079 (2) | 0.081 (2) | 0.0105 (15) | −0.0315 (16) | −0.0179 (17) |
C12 | 0.0640 (19) | 0.100 (3) | 0.086 (2) | 0.0117 (18) | −0.0366 (17) | −0.040 (2) |
C13 | 0.0504 (14) | 0.0573 (16) | 0.092 (2) | 0.0010 (12) | −0.0253 (14) | −0.0355 (15) |
C14 | 0.0498 (15) | 0.0633 (18) | 0.089 (2) | −0.0008 (13) | −0.0205 (15) | −0.0284 (16) |
C15 | 0.067 (2) | 0.098 (3) | 0.071 (2) | −0.0088 (18) | −0.0145 (16) | −0.0210 (19) |
C16 | 0.0473 (16) | 0.091 (3) | 0.123 (3) | −0.0046 (16) | −0.0214 (18) | −0.043 (2) |
C17 | 0.0560 (16) | 0.068 (2) | 0.111 (3) | 0.0188 (14) | −0.0273 (17) | −0.0414 (19) |
S21 | 0.0521 (3) | 0.0459 (3) | 0.0736 (4) | −0.0015 (3) | −0.0189 (3) | −0.0286 (3) |
O21 | 0.0807 (14) | 0.0451 (10) | 0.0729 (13) | −0.0001 (9) | −0.0272 (11) | −0.0230 (9) |
N21 | 0.0493 (11) | 0.0479 (12) | 0.0795 (15) | −0.0034 (9) | −0.0151 (11) | −0.0337 (11) |
N22 | 0.0496 (11) | 0.0464 (12) | 0.0762 (15) | 0.0013 (9) | −0.0206 (11) | −0.0285 (11) |
N23 | 0.0523 (12) | 0.0435 (11) | 0.0723 (15) | 0.0055 (9) | −0.0233 (11) | −0.0261 (10) |
C21 | 0.0419 (12) | 0.0455 (13) | 0.0802 (18) | 0.0071 (10) | −0.0238 (12) | −0.0295 (13) |
C22 | 0.0412 (12) | 0.0559 (15) | 0.102 (2) | 0.0079 (11) | −0.0258 (14) | −0.0462 (16) |
C23 | 0.0588 (16) | 0.0474 (15) | 0.116 (3) | 0.0086 (12) | −0.0411 (17) | −0.0369 (16) |
C24 | 0.071 (2) | 0.0524 (17) | 0.162 (4) | 0.0172 (15) | −0.061 (2) | −0.055 (2) |
C25 | 0.0628 (19) | 0.084 (3) | 0.187 (5) | 0.0211 (18) | −0.054 (3) | −0.096 (3) |
C26 | 0.064 (2) | 0.129 (4) | 0.155 (4) | 0.000 (2) | −0.024 (2) | −0.109 (4) |
C27 | 0.0594 (18) | 0.097 (3) | 0.113 (3) | −0.0099 (17) | −0.0136 (18) | −0.071 (2) |
C28 | 0.0721 (18) | 0.0455 (14) | 0.0690 (18) | 0.0020 (12) | −0.0210 (15) | −0.0255 (13) |
C29 | 0.085 (2) | 0.0455 (15) | 0.0646 (17) | −0.0009 (13) | −0.0239 (15) | −0.0195 (13) |
C30 | 0.070 (3) | 0.056 (2) | 0.065 (3) | 0.001 (2) | −0.023 (2) | −0.023 (2) |
C31 | 0.118 (5) | 0.080 (4) | 0.061 (3) | 0.037 (4) | −0.020 (3) | −0.020 (3) |
C32 | 0.121 (5) | 0.066 (3) | 0.089 (4) | 0.025 (3) | −0.041 (3) | −0.036 (3) |
C33 | 0.096 (4) | 0.042 (2) | 0.060 (3) | −0.014 (2) | −0.014 (2) | −0.0268 (19) |
C34 | 0.109 (4) | 0.075 (3) | 0.074 (3) | −0.001 (3) | −0.031 (3) | −0.036 (3) |
C35 | 0.098 (5) | 0.083 (4) | 0.101 (5) | 0.021 (4) | −0.052 (4) | −0.032 (3) |
C36 | 0.121 (5) | 0.077 (3) | 0.068 (3) | −0.006 (3) | −0.020 (3) | −0.037 (3) |
C37 | 0.119 (8) | 0.061 (4) | 0.066 (4) | −0.030 (4) | −0.002 (4) | −0.023 (3) |
Cd1—N3 | 2.306 (2) | C22—C23 | 1.394 (5) |
Cd1—N23 | 2.318 (2) | C23—C24 | 1.390 (4) |
Cd1—S1 | 2.5245 (7) | C23—H23 | 0.9500 |
Cd1—S21 | 2.5445 (7) | C24—C25 | 1.362 (7) |
Cd1—O1 | 2.5839 (19) | C24—H24 | 0.9500 |
Cd1—O21 | 2.627 (2) | C25—C26 | 1.377 (7) |
S1—C1 | 1.734 (3) | C25—H25 | 0.9500 |
O1—C9 | 1.219 (3) | C26—C27 | 1.403 (5) |
N1—C1 | 1.364 (3) | C26—H26 | 0.9500 |
N1—C2 | 1.414 (3) | C27—H27 | 0.9500 |
N1—H1 | 0.8800 | C28—C29 | 1.484 (4) |
N2—C1 | 1.319 (3) | C28—C33 | 1.492 (6) |
N2—N3 | 1.362 (3) | C28—C33' | 1.52 (3) |
N3—C8 | 1.280 (3) | C29—C30' | 1.491 (12) |
C2—C7 | 1.390 (4) | C29—C30 | 1.550 (6) |
C2—C3 | 1.398 (4) | C30—C37 | 1.500 (7) |
C3—C4 | 1.381 (4) | C30—C31 | 1.553 (7) |
C3—H3 | 0.9500 | C30—C34 | 1.569 (7) |
C4—C5 | 1.375 (5) | C31—C32 | 1.463 (9) |
C4—H4 | 0.9500 | C31—H31A | 0.9900 |
C5—C6 | 1.377 (5) | C31—H31B | 0.9900 |
C5—H5 | 0.9500 | C32—C33 | 1.585 (11) |
C6—C7 | 1.387 (4) | C32—H32A | 0.9900 |
C6—H6 | 0.9500 | C32—H32B | 0.9900 |
C7—H7 | 0.9500 | C33—C34 | 1.536 (7) |
C8—C9 | 1.485 (4) | C33—H33 | 1.0000 |
C8—C13 | 1.503 (4) | C34—C36 | 1.535 (7) |
C9—C10 | 1.511 (4) | C34—C35 | 1.603 (9) |
C10—C17 | 1.506 (4) | C35—H35A | 0.9800 |
C10—C14 | 1.542 (4) | C35—H35B | 0.9800 |
C10—C11 | 1.591 (5) | C35—H35C | 0.9800 |
C11—C12 | 1.521 (5) | C36—H36A | 0.9800 |
C11—H11A | 0.9900 | C36—H36B | 0.9800 |
C11—H11B | 0.9900 | C36—H36C | 0.9800 |
C12—C13 | 1.574 (5) | C37—H37A | 0.9800 |
C12—H12A | 0.9900 | C37—H37B | 0.9800 |
C12—H12B | 0.9900 | C37—H37C | 0.9800 |
C13—C14 | 1.536 (5) | C30'—C31' | 1.469 (15) |
C13—H13 | 1.0000 | C30'—C37' | 1.529 (16) |
C14—C16 | 1.531 (4) | C30'—C34' | 1.595 (13) |
C14—C15 | 1.537 (5) | C31'—C32' | 1.499 (17) |
C15—H15A | 0.9800 | C31'—H31C | 0.9900 |
C15—H15B | 0.9800 | C31'—H31D | 0.9900 |
C15—H15C | 0.9800 | C32'—C33' | 1.58 (2) |
C16—H16A | 0.9800 | C32'—H32C | 0.9900 |
C16—H16B | 0.9800 | C32'—H32D | 0.9900 |
C16—H16C | 0.9800 | C33'—C34' | 1.530 (16) |
C17—H17A | 0.9800 | C33'—H33' | 1.0000 |
C17—H17B | 0.9800 | C34'—C36' | 1.553 (15) |
C17—H17C | 0.9800 | C34'—C35' | 1.619 (14) |
S21—C21 | 1.743 (3) | C35'—H35D | 0.9800 |
O21—C29 | 1.219 (4) | C35'—H35E | 0.9800 |
N21—C21 | 1.365 (3) | C35'—H35F | 0.9800 |
N21—C22 | 1.415 (3) | C36'—H36D | 0.9800 |
N21—H21 | 0.8800 | C36'—H36E | 0.9800 |
N22—C21 | 1.313 (4) | C36'—H36F | 0.9800 |
N22—N23 | 1.367 (3) | C37'—H37D | 0.9800 |
N23—C28 | 1.278 (4) | C37'—H37E | 0.9800 |
C22—C27 | 1.373 (5) | C37'—H37F | 0.9800 |
N3—Cd1—N23 | 141.00 (8) | C25—C24—H24 | 120.2 |
N3—Cd1—S1 | 75.51 (5) | C23—C24—H24 | 120.2 |
N23—Cd1—S1 | 129.89 (6) | C24—C25—C26 | 119.8 (3) |
N3—Cd1—S21 | 131.35 (6) | C24—C25—H25 | 120.1 |
N23—Cd1—S21 | 74.79 (6) | C26—C25—H25 | 120.1 |
S1—Cd1—S21 | 107.49 (3) | C25—C26—C27 | 121.4 (4) |
N3—Cd1—O1 | 69.93 (7) | C25—C26—H26 | 119.3 |
N23—Cd1—O1 | 79.45 (7) | C27—C26—H26 | 119.3 |
S1—Cd1—O1 | 145.35 (4) | C22—C27—C26 | 118.6 (4) |
S21—Cd1—O1 | 97.17 (5) | C22—C27—H27 | 120.7 |
N3—Cd1—O21 | 79.09 (7) | C26—C27—H27 | 120.7 |
N23—Cd1—O21 | 69.40 (7) | N23—C28—C29 | 119.2 (3) |
S1—Cd1—O21 | 97.73 (5) | N23—C28—C33 | 134.7 (3) |
S21—Cd1—O21 | 144.07 (5) | C29—C28—C33 | 105.5 (3) |
O1—Cd1—O21 | 73.80 (7) | N23—C28—C33' | 132.2 (7) |
C1—S1—Cd1 | 97.71 (9) | C29—C28—C33' | 108.6 (7) |
C9—O1—Cd1 | 107.48 (17) | O21—C29—C28 | 125.9 (3) |
C1—N1—C2 | 130.3 (2) | O21—C29—C30' | 128.8 (5) |
C1—N1—H1 | 114.8 | C28—C29—C30' | 102.4 (5) |
C2—N1—H1 | 114.8 | O21—C29—C30 | 127.9 (3) |
C1—N2—N3 | 113.5 (2) | C28—C29—C30 | 105.5 (3) |
C8—N3—N2 | 118.0 (2) | C37—C30—C29 | 115.9 (6) |
C8—N3—Cd1 | 117.85 (17) | C37—C30—C31 | 117.2 (8) |
N2—N3—Cd1 | 123.77 (16) | C29—C30—C31 | 105.7 (4) |
N2—C1—N1 | 117.3 (2) | C37—C30—C34 | 120.1 (7) |
N2—C1—S1 | 129.2 (2) | C29—C30—C34 | 97.8 (4) |
N1—C1—S1 | 113.5 (2) | C31—C30—C34 | 96.8 (4) |
C7—C2—C3 | 119.2 (3) | C32—C31—C30 | 109.5 (5) |
C7—C2—N1 | 124.1 (2) | C32—C31—H31A | 109.8 |
C3—C2—N1 | 116.6 (3) | C30—C31—H31A | 109.8 |
C4—C3—C2 | 120.1 (3) | C32—C31—H31B | 109.8 |
C4—C3—H3 | 119.9 | C30—C31—H31B | 109.8 |
C2—C3—H3 | 119.9 | H31A—C31—H31B | 108.2 |
C5—C4—C3 | 120.5 (3) | C31—C32—C33 | 101.7 (4) |
C5—C4—H4 | 119.7 | C31—C32—H32A | 111.4 |
C3—C4—H4 | 119.7 | C33—C32—H32A | 111.4 |
C4—C5—C6 | 119.6 (3) | C31—C32—H32B | 111.4 |
C4—C5—H5 | 120.2 | C33—C32—H32B | 111.4 |
C6—C5—H5 | 120.2 | H32A—C32—H32B | 109.3 |
C5—C6—C7 | 121.0 (3) | C28—C33—C34 | 103.4 (3) |
C5—C6—H6 | 119.5 | C28—C33—C32 | 104.1 (5) |
C7—C6—H6 | 119.5 | C34—C33—C32 | 99.7 (5) |
C6—C7—C2 | 119.5 (3) | C28—C33—H33 | 115.8 |
C6—C7—H7 | 120.2 | C34—C33—H33 | 115.8 |
C2—C7—H7 | 120.2 | C32—C33—H33 | 115.8 |
N3—C8—C9 | 118.9 (2) | C36—C34—C33 | 114.8 (4) |
N3—C8—C13 | 135.2 (2) | C36—C34—C30 | 113.5 (5) |
C9—C8—C13 | 105.8 (2) | C33—C34—C30 | 95.9 (4) |
O1—C9—C8 | 125.3 (2) | C36—C34—C35 | 111.4 (5) |
O1—C9—C10 | 129.5 (3) | C33—C34—C35 | 110.7 (6) |
C8—C9—C10 | 105.2 (2) | C30—C34—C35 | 109.6 (5) |
C17—C10—C9 | 115.7 (3) | C34—C35—H35A | 109.5 |
C17—C10—C14 | 120.2 (3) | C34—C35—H35B | 109.5 |
C9—C10—C14 | 100.2 (2) | H35A—C35—H35B | 109.5 |
C17—C10—C11 | 114.9 (3) | C34—C35—H35C | 109.5 |
C9—C10—C11 | 103.0 (3) | H35A—C35—H35C | 109.5 |
C14—C10—C11 | 100.1 (3) | H35B—C35—H35C | 109.5 |
C12—C11—C10 | 105.2 (3) | C34—C36—H36A | 109.5 |
C12—C11—H11A | 110.7 | C34—C36—H36B | 109.5 |
C10—C11—H11A | 110.7 | H36A—C36—H36B | 109.5 |
C12—C11—H11B | 110.7 | C34—C36—H36C | 109.5 |
C10—C11—H11B | 110.7 | H36A—C36—H36C | 109.5 |
H11A—C11—H11B | 108.8 | H36B—C36—H36C | 109.5 |
C11—C12—C13 | 103.0 (3) | C30—C37—H37A | 109.5 |
C11—C12—H12A | 111.2 | C30—C37—H37B | 109.5 |
C13—C12—H12A | 111.2 | H37A—C37—H37B | 109.5 |
C11—C12—H12B | 111.2 | C30—C37—H37C | 109.5 |
C13—C12—H12B | 111.2 | H37A—C37—H37C | 109.5 |
H12A—C12—H12B | 109.1 | H37B—C37—H37C | 109.5 |
C8—C13—C14 | 100.9 (2) | C31'—C30'—C29 | 116.5 (12) |
C8—C13—C12 | 104.5 (3) | C31'—C30'—C37' | 120 (2) |
C14—C13—C12 | 101.1 (3) | C29—C30'—C37' | 110.4 (19) |
C8—C13—H13 | 116.0 | C31'—C30'—C34' | 100.2 (11) |
C14—C13—H13 | 116.0 | C29—C30'—C34' | 92.6 (7) |
C12—C13—H13 | 116.0 | C37'—C30'—C34' | 113.9 (18) |
C16—C14—C13 | 114.2 (3) | C30'—C31'—C32' | 109.4 (13) |
C16—C14—C15 | 109.6 (3) | C30'—C31'—H31C | 109.8 |
C13—C14—C15 | 111.9 (3) | C32'—C31'—H31C | 109.8 |
C16—C14—C10 | 112.9 (3) | C30'—C31'—H31D | 109.8 |
C13—C14—C10 | 96.3 (2) | C32'—C31'—H31D | 109.8 |
C15—C14—C10 | 111.6 (3) | H31C—C31'—H31D | 108.2 |
C14—C15—H15A | 109.5 | C31'—C32'—C33' | 101.2 (11) |
C14—C15—H15B | 109.5 | C31'—C32'—H32C | 111.5 |
H15A—C15—H15B | 109.5 | C33'—C32'—H32C | 111.5 |
C14—C15—H15C | 109.5 | C31'—C32'—H32D | 111.5 |
H15A—C15—H15C | 109.5 | C33'—C32'—H32D | 111.5 |
H15B—C15—H15C | 109.5 | H32C—C32'—H32D | 109.4 |
C14—C16—H16A | 109.5 | C28—C33'—C34' | 94.1 (14) |
C14—C16—H16B | 109.5 | C28—C33'—C32' | 101.9 (17) |
H16A—C16—H16B | 109.5 | C34'—C33'—C32' | 105.0 (13) |
C14—C16—H16C | 109.5 | C28—C33'—H33' | 117.5 |
H16A—C16—H16C | 109.5 | C34'—C33'—H33' | 117.5 |
H16B—C16—H16C | 109.5 | C32'—C33'—H33' | 117.5 |
C10—C17—H17A | 109.5 | C33'—C34'—C36' | 114.0 (15) |
C10—C17—H17B | 109.5 | C33'—C34'—C30' | 95.3 (12) |
H17A—C17—H17B | 109.5 | C36'—C34'—C30' | 114.4 (12) |
C10—C17—H17C | 109.5 | C33'—C34'—C35' | 115.3 (12) |
H17A—C17—H17C | 109.5 | C36'—C34'—C35' | 105.7 (12) |
H17B—C17—H17C | 109.5 | C30'—C34'—C35' | 112.3 (10) |
C21—S21—Cd1 | 98.24 (10) | C34'—C35'—H35D | 109.5 |
C29—O21—Cd1 | 106.48 (19) | C34'—C35'—H35E | 109.5 |
C21—N21—C22 | 131.4 (3) | H35D—C35'—H35E | 109.5 |
C21—N21—H21 | 114.3 | C34'—C35'—H35F | 109.5 |
C22—N21—H21 | 114.3 | H35D—C35'—H35F | 109.5 |
C21—N22—N23 | 113.8 (2) | H35E—C35'—H35F | 109.5 |
C28—N23—N22 | 116.9 (2) | C34'—C36'—H36D | 109.5 |
C28—N23—Cd1 | 118.48 (18) | C34'—C36'—H36E | 109.5 |
N22—N23—Cd1 | 124.37 (18) | H36D—C36'—H36E | 109.5 |
N22—C21—N21 | 117.9 (2) | C34'—C36'—H36F | 109.5 |
N22—C21—S21 | 128.8 (2) | H36D—C36'—H36F | 109.5 |
N21—C21—S21 | 113.3 (2) | H36E—C36'—H36F | 109.5 |
C27—C22—C23 | 119.6 (3) | C30'—C37'—H37D | 109.5 |
C27—C22—N21 | 125.1 (3) | C30'—C37'—H37E | 109.5 |
C23—C22—N21 | 115.3 (3) | H37D—C37'—H37E | 109.5 |
C24—C23—C22 | 120.9 (4) | C30'—C37'—H37F | 109.5 |
C24—C23—H23 | 119.5 | H37D—C37'—H37F | 109.5 |
C22—C23—H23 | 119.5 | H37E—C37'—H37F | 109.5 |
C25—C24—C23 | 119.6 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
N21—H21···S21i | 0.88 | 2.58 | 3.363 (3) | 148 |
C23—H23···S21i | 0.95 | 2.97 | 3.629 (4) | 128 |
Symmetry code: (i) −x+2, −y+2, −z. |
D—H···A | D—H | H···A | D···A | D—H···A |
N21—H21···S21i | 0.88 | 2.58 | 3.363 (3) | 148 |
C23—H23···S21i | 0.95 | 2.97 | 3.629 (4) | 128 |
Symmetry code: (i) −x+2, −y+2, −z. |
Acknowledgements
We gratefully acknowledge financial support by the State of Schleswig–Holstein, Germany, and thank Professor Dr Wolfgang Bensch, University of Kiel, for access to his experimental facilities.
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