organic compounds
The
of 1-(2-hydroxy-5-methoxyphenyl)ethanone 4,4-dimethylthiosemicarbazoneaDepartment of Chemistry, Keene State College, 229 Main Street, Keene, NH 03435-2001, USA
*Correspondence e-mail: jjasinski@keene.edu
The 12H17N3O2S, contains two independent molecules, A and B. Both molecules are nearly planar with the dihedral angle between the mean planes of the thioamide group and benzene ring being 7.5 (1)° in A and 4.3 (2)° in B. In each molecule, the hydroxy group participates in intramolecular O—H⋯N hydrogen bonding, while the amino H atom is not involved in hydrogen bonding because of the steric hinderence caused by two neighboring methyl groups. In the crystal, the individual molecules are linked by weak C—H⋯O hydrogen bonds, forming A–A and B–B inversion dimers. The dimers are linked via C—H⋯π interactions which help stabilize the packing.
of the title compound, CKeywords: crystal structure; thiosemicarbazone; weak intermolecular interactions; C—H⋯π interactions.
CCDC reference: 1428535
1. Related literature
For thiosemicarbazone ligands and metal complexes, see: Lobana et al. (2009, 2012). For biological and antitumor and antifungal activity of palladium complexes with thiosemicarbazone ligands, see: Chellan et al. (2010). For biological activity of a thiosemicarbazone ligand with a terminal dimethyl substitution, see: Kowol et al. (2009). For related structures, see: Anderson et al. (2012, 2013); Kovala-Demertzi et al. (2000).
2. Experimental
2.1. Crystal data
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2.3. Refinement
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Data collection: CrysAlis PRO (Agilent, 2014); cell CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS2014 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: OLEX2.
Supporting information
CCDC reference: 1428535
https://doi.org/10.1107/S2056989015018228/cv5496sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2056989015018228/cv5496Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2056989015018228/cv5496Isup3.cml
A 25 mL round bottom flask charged with 2.5 mL of H2O, 2.5 mL ethanol and 0.1499 g (1.26 mmol) of 4,4-dimethyl-3-thiosemicarbazide was dissolved in a water/ethanol mixture and heated. Once the mixture was completely dissolved, 0.2225 g (1.34 mmol) of 2'-hydroxy-5'-methoxyacetophenone was added, and the solution was refluxed for 18 hours resulting in the formation of a yellow solid. After reflux, the slurry was allowed to cool to room temperature, transferred to a separatory funnel and water (15 mL) and dichloromethane (15 mL) was added. The organic layer was separated and the aqueous layer was extracted with an additional 15 mL of DCM. The organic layers were then combined and washed with brine (20 mL), and then dried with magnesium sulfate. The solvent was removed by rotary evaporation. The resulting solid was crystallized from acetonitrile to give 67 mg (18% yield) of yellow crystals. The crystals were observed to decompose above 460 K.
Crystal data, data collection and structure
details are summarized in Table 1. All H atoms were located in difference maps. The C–H and N–H atoms were treated as riding atoms in geometrically idealized positions with C—H, N—H distances of 0.95 Å, 0.88 Å and refined with Uiso(H) = 1.2Ueq(C, N). The CH3 and O–H atoms were also treated as riding atoms in geometrically idealized positions with the CH3, O—H distances of 0.98 Å, 0.84 Å and refined with Uiso(H) = 1.5Ueq(C, O).The π (Table 1) interactions are observed which help stabilize the packing (Fig. 2). No π—π stacking interactions are present.
of the title compound, C12H17N3O2S, contains two independent molecules A and B, respectively (Fig. 1). Both molecules are nearly planar with the dihedral angle between the mean planes of the thioamide group and benzene ring being 7.5 (1)° in A and 4.3 (2)° in B. In each molecule, the hydroxy group participates in intramolecular O—H···N hydrogen bonding, while the amino H atom is not involved in hydrogen bonding because of the steric hinderence caused by two neighboring methyl groups. In the crystal, weak intermolecular C—H···O and C—H···For thiosemicarbazone ligands and metal complexes, see: Lobana et al. (2009, 2012). For biological and antitumor and antifungal activity of palladium complexes with thiosemicarbazone ligands, see: Chellan et al. (2010). For biological activity of a thiosemicarbazone ligand with a terminal dimethyl substitution, see: Kowol et al. (2009). For related structures, see: Anderson et al. (2012, 2013); Kovala-Demertzi et al. (2000).
Data collection: CrysAlis PRO (Agilent, 2014); cell
CrysAlis PRO (Agilent, 2014); data reduction: CrysAlis PRO (Agilent, 2014); program(s) used to solve structure: SHELXS2014 (Sheldrick, 2008); program(s) used to refine structure: SHELXL2014 (Sheldrick, 2015); molecular graphics: OLEX2 (Dolomanov et al., 2009); software used to prepare material for publication: OLEX2 (Dolomanov et al., 2009).Fig. 1. Two independent molecules of the title compound showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 30% probability level. | |
Fig. 2. A portion of the crystal packing viewed approximately along the a axis. |
C12H17N3O2S | F(000) = 1136 |
Mr = 267.34 | Dx = 1.361 Mg m−3 |
Monoclinic, P21/a | Mo Kα radiation, λ = 0.71073 Å |
a = 15.7097 (12) Å | Cell parameters from 7195 reflections |
b = 7.8300 (5) Å | θ = 3.0–32.8° |
c = 21.2351 (19) Å | µ = 0.25 mm−1 |
β = 92.635 (8)° | T = 173 K |
V = 2609.3 (3) Å3 | Prism, colourless |
Z = 8 | 0.54 × 0.35 × 0.05 mm |
Agilent, Eos, Gemini diffractometer | 8982 independent reflections |
Radiation source: Enhance (Mo) X-ray Source | 6065 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.081 |
Detector resolution: 16.0416 pixels mm-1 | θmax = 32.9°, θmin = 3.0° |
ω scans | h = −23→23 |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2014) | k = −11→11 |
Tmin = 0.803, Tmax = 1.000 | l = −30→28 |
33509 measured reflections |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.078 | H-atom parameters constrained |
wR(F2) = 0.224 | w = 1/[σ2(Fo2) + (0.1106P)2 + 0.7177P] where P = (Fo2 + 2Fc2)/3 |
S = 1.06 | (Δ/σ)max = 0.001 |
8982 reflections | Δρmax = 1.08 e Å−3 |
334 parameters | Δρmin = −0.48 e Å−3 |
0 restraints |
C12H17N3O2S | V = 2609.3 (3) Å3 |
Mr = 267.34 | Z = 8 |
Monoclinic, P21/a | Mo Kα radiation |
a = 15.7097 (12) Å | µ = 0.25 mm−1 |
b = 7.8300 (5) Å | T = 173 K |
c = 21.2351 (19) Å | 0.54 × 0.35 × 0.05 mm |
β = 92.635 (8)° |
Agilent, Eos, Gemini diffractometer | 8982 independent reflections |
Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2014) | 6065 reflections with I > 2σ(I) |
Tmin = 0.803, Tmax = 1.000 | Rint = 0.081 |
33509 measured reflections |
R[F2 > 2σ(F2)] = 0.078 | 0 restraints |
wR(F2) = 0.224 | H-atom parameters constrained |
S = 1.06 | Δρmax = 1.08 e Å−3 |
8982 reflections | Δρmin = −0.48 e Å−3 |
334 parameters |
Experimental. Absorption correction: CrysAlisPro (Agilent, 2014). Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm. |
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. |
x | y | z | Uiso*/Ueq | ||
S1 | 0.44809 (3) | 0.09151 (7) | 1.11976 (3) | 0.03013 (15) | |
O1 | 0.32782 (10) | 0.2857 (2) | 0.99601 (7) | 0.0293 (3) | |
H1 | 0.3742 | 0.2469 | 1.0112 | 0.044* | |
O2 | 0.35386 (11) | 0.6134 (2) | 0.76763 (7) | 0.0336 (4) | |
N1 | 0.61624 (11) | 0.0389 (2) | 1.11969 (8) | 0.0248 (3) | |
N2 | 0.55831 (11) | 0.1799 (2) | 1.03407 (8) | 0.0246 (3) | |
H2 | 0.6099 | 0.1881 | 1.0199 | 0.030* | |
N3 | 0.48981 (11) | 0.2446 (2) | 1.00018 (8) | 0.0233 (3) | |
C1 | 0.54532 (13) | 0.1017 (2) | 1.09064 (9) | 0.0215 (4) | |
C2 | 0.50099 (12) | 0.3329 (2) | 0.94986 (9) | 0.0220 (4) | |
C3 | 0.42248 (12) | 0.3932 (2) | 0.91666 (9) | 0.0211 (4) | |
C4 | 0.34139 (13) | 0.3677 (3) | 0.94099 (9) | 0.0236 (4) | |
C5 | 0.26923 (14) | 0.4287 (3) | 0.90750 (11) | 0.0295 (4) | |
H5 | 0.2148 | 0.4145 | 0.9246 | 0.035* | |
C6 | 0.27513 (14) | 0.5088 (3) | 0.85053 (11) | 0.0299 (4) | |
H6 | 0.2251 | 0.5482 | 0.8282 | 0.036* | |
C7 | 0.35447 (13) | 0.5322 (3) | 0.82530 (10) | 0.0258 (4) | |
C8 | 0.42704 (13) | 0.4770 (3) | 0.85839 (9) | 0.0247 (4) | |
H8 | 0.4811 | 0.4960 | 0.8414 | 0.030* | |
C9 | 0.43341 (17) | 0.6297 (4) | 0.73913 (11) | 0.0405 (6) | |
H9A | 0.4248 | 0.6843 | 0.6978 | 0.061* | |
H9B | 0.4585 | 0.5162 | 0.7339 | 0.061* | |
H9C | 0.4719 | 0.6997 | 0.7660 | 0.061* | |
C10 | 0.58601 (13) | 0.3769 (3) | 0.92477 (10) | 0.0267 (4) | |
H10A | 0.6306 | 0.3603 | 0.9580 | 0.040* | |
H10B | 0.5858 | 0.4963 | 0.9110 | 0.040* | |
H10C | 0.5971 | 0.3026 | 0.8889 | 0.040* | |
C11 | 0.70021 (13) | 0.0579 (3) | 1.09373 (10) | 0.0292 (4) | |
H11A | 0.7003 | 0.0029 | 1.0523 | 0.044* | |
H11B | 0.7432 | 0.0041 | 1.1221 | 0.044* | |
H11C | 0.7134 | 0.1795 | 1.0894 | 0.044* | |
C12 | 0.61403 (15) | −0.0437 (3) | 1.18084 (10) | 0.0302 (4) | |
H12A | 0.6294 | 0.0392 | 1.2140 | 0.045* | |
H12B | 0.6547 | −0.1386 | 1.1828 | 0.045* | |
H12C | 0.5565 | −0.0873 | 1.1869 | 0.045* | |
S1A | 0.56414 (5) | −0.19363 (10) | 0.59613 (3) | 0.0475 (2) | |
O1A | 0.66714 (13) | −0.3267 (2) | 0.44906 (9) | 0.0443 (5) | |
H1A | 0.6392 | −0.2552 | 0.4692 | 0.066* | |
O2A | 0.82584 (12) | −0.0500 (2) | 0.24624 (8) | 0.0411 (4) | |
N1A | 0.53156 (14) | 0.1371 (3) | 0.61861 (10) | 0.0413 (5) | |
N2A | 0.59826 (13) | 0.0826 (3) | 0.52876 (9) | 0.0357 (4) | |
H2A | 0.5970 | 0.1935 | 0.5220 | 0.043* | |
N3A | 0.63480 (12) | −0.0228 (3) | 0.48627 (9) | 0.0319 (4) | |
C1A | 0.56361 (15) | 0.0174 (4) | 0.58155 (11) | 0.0355 (5) | |
C2A | 0.67559 (14) | 0.0493 (3) | 0.44166 (10) | 0.0287 (4) | |
C3A | 0.71116 (14) | −0.0682 (3) | 0.39541 (10) | 0.0280 (4) | |
C4A | 0.70414 (16) | −0.2470 (3) | 0.40023 (11) | 0.0349 (5) | |
C5A | 0.73558 (19) | −0.3507 (3) | 0.35358 (12) | 0.0421 (6) | |
H5A | 0.7299 | −0.4711 | 0.3568 | 0.050* | |
C6A | 0.77470 (18) | −0.2826 (3) | 0.30294 (12) | 0.0406 (6) | |
H6A | 0.7957 | −0.3555 | 0.2714 | 0.049* | |
C7A | 0.78354 (16) | −0.1063 (3) | 0.29783 (11) | 0.0334 (5) | |
C8A | 0.75226 (15) | −0.0007 (3) | 0.34303 (11) | 0.0311 (4) | |
H8A | 0.7584 | 0.1195 | 0.3390 | 0.037* | |
C9A | 0.83626 (17) | 0.1293 (4) | 0.24074 (12) | 0.0396 (5) | |
H9AA | 0.8701 | 0.1720 | 0.2773 | 0.059* | |
H9AB | 0.7802 | 0.1845 | 0.2389 | 0.059* | |
H9AC | 0.8656 | 0.1550 | 0.2021 | 0.059* | |
C10A | 0.68571 (17) | 0.2386 (3) | 0.43561 (12) | 0.0357 (5) | |
H10D | 0.6873 | 0.2908 | 0.4776 | 0.054* | |
H10E | 0.6375 | 0.2851 | 0.4101 | 0.054* | |
H10F | 0.7389 | 0.2637 | 0.4151 | 0.054* | |
C11A | 0.5344 (2) | 0.3188 (4) | 0.60277 (14) | 0.0511 (7) | |
H11D | 0.5078 | 0.3852 | 0.6357 | 0.077* | |
H11E | 0.5035 | 0.3382 | 0.5623 | 0.077* | |
H11F | 0.5939 | 0.3547 | 0.5998 | 0.077* | |
C12A | 0.4973 (2) | 0.0922 (5) | 0.67918 (14) | 0.0571 (8) | |
H12D | 0.5362 | 0.1325 | 0.7134 | 0.086* | |
H12E | 0.4912 | −0.0321 | 0.6820 | 0.086* | |
H12F | 0.4414 | 0.1462 | 0.6828 | 0.086* |
U11 | U22 | U33 | U12 | U13 | U23 | |
S1 | 0.0221 (3) | 0.0347 (3) | 0.0344 (3) | −0.0020 (2) | 0.01022 (19) | 0.00048 (19) |
O1 | 0.0209 (7) | 0.0346 (9) | 0.0330 (8) | −0.0050 (6) | 0.0082 (6) | 0.0030 (6) |
O2 | 0.0299 (8) | 0.0352 (9) | 0.0358 (8) | −0.0002 (7) | 0.0011 (6) | 0.0072 (6) |
N1 | 0.0191 (8) | 0.0243 (8) | 0.0313 (9) | 0.0007 (6) | 0.0058 (6) | 0.0012 (6) |
N2 | 0.0204 (8) | 0.0245 (8) | 0.0295 (8) | 0.0024 (6) | 0.0079 (6) | 0.0015 (6) |
N3 | 0.0206 (8) | 0.0212 (8) | 0.0284 (8) | 0.0020 (6) | 0.0043 (6) | −0.0025 (6) |
C1 | 0.0209 (9) | 0.0178 (8) | 0.0263 (9) | −0.0008 (6) | 0.0050 (7) | −0.0035 (6) |
C2 | 0.0208 (9) | 0.0179 (8) | 0.0277 (9) | −0.0001 (7) | 0.0067 (7) | −0.0049 (6) |
C3 | 0.0178 (8) | 0.0168 (8) | 0.0290 (9) | −0.0024 (6) | 0.0047 (7) | −0.0040 (6) |
C4 | 0.0214 (9) | 0.0196 (8) | 0.0303 (10) | −0.0028 (7) | 0.0053 (7) | −0.0035 (7) |
C5 | 0.0184 (9) | 0.0295 (10) | 0.0410 (12) | −0.0021 (8) | 0.0067 (8) | −0.0009 (8) |
C6 | 0.0220 (10) | 0.0278 (10) | 0.0396 (12) | −0.0004 (8) | −0.0011 (8) | −0.0004 (8) |
C7 | 0.0261 (10) | 0.0195 (9) | 0.0317 (10) | −0.0008 (7) | 0.0020 (7) | −0.0004 (7) |
C8 | 0.0219 (9) | 0.0212 (9) | 0.0314 (10) | −0.0013 (7) | 0.0049 (7) | −0.0028 (7) |
C9 | 0.0376 (13) | 0.0515 (16) | 0.0330 (12) | 0.0026 (11) | 0.0066 (9) | 0.0089 (10) |
C10 | 0.0200 (9) | 0.0272 (10) | 0.0333 (10) | −0.0021 (7) | 0.0050 (7) | 0.0037 (7) |
C11 | 0.0197 (9) | 0.0314 (11) | 0.0370 (11) | −0.0006 (8) | 0.0051 (8) | −0.0012 (8) |
C12 | 0.0307 (11) | 0.0297 (11) | 0.0300 (10) | −0.0010 (9) | 0.0009 (8) | 0.0034 (8) |
S1A | 0.0435 (4) | 0.0464 (4) | 0.0531 (4) | −0.0001 (3) | 0.0089 (3) | 0.0232 (3) |
O1A | 0.0528 (12) | 0.0284 (9) | 0.0515 (11) | −0.0099 (8) | 0.0010 (8) | 0.0119 (7) |
O2A | 0.0469 (11) | 0.0383 (10) | 0.0388 (9) | 0.0026 (8) | 0.0079 (7) | 0.0008 (7) |
N1A | 0.0350 (12) | 0.0492 (13) | 0.0402 (11) | −0.0032 (10) | 0.0064 (9) | 0.0068 (9) |
N2A | 0.0370 (11) | 0.0329 (10) | 0.0375 (11) | −0.0036 (8) | 0.0050 (8) | 0.0086 (7) |
N3A | 0.0310 (10) | 0.0310 (10) | 0.0336 (10) | −0.0049 (8) | 0.0004 (7) | 0.0070 (7) |
C1A | 0.0237 (11) | 0.0454 (14) | 0.0373 (12) | −0.0057 (9) | 0.0001 (8) | 0.0117 (9) |
C2A | 0.0254 (10) | 0.0248 (10) | 0.0352 (11) | −0.0042 (8) | −0.0036 (8) | 0.0084 (8) |
C3A | 0.0257 (10) | 0.0233 (9) | 0.0343 (11) | −0.0039 (8) | −0.0053 (8) | 0.0055 (7) |
C4A | 0.0356 (12) | 0.0273 (11) | 0.0408 (12) | −0.0071 (9) | −0.0075 (9) | 0.0079 (9) |
C5A | 0.0529 (16) | 0.0243 (11) | 0.0480 (14) | −0.0046 (10) | −0.0079 (11) | 0.0022 (9) |
C6A | 0.0466 (15) | 0.0311 (12) | 0.0432 (13) | 0.0005 (10) | −0.0060 (11) | −0.0047 (9) |
C7A | 0.0342 (12) | 0.0317 (12) | 0.0338 (11) | −0.0026 (9) | −0.0048 (9) | 0.0020 (8) |
C8A | 0.0297 (11) | 0.0268 (10) | 0.0364 (11) | −0.0018 (8) | −0.0026 (8) | 0.0046 (8) |
C9A | 0.0350 (13) | 0.0426 (14) | 0.0416 (13) | −0.0040 (11) | 0.0070 (10) | 0.0037 (10) |
C10A | 0.0385 (13) | 0.0264 (11) | 0.0428 (13) | −0.0029 (9) | 0.0083 (10) | 0.0061 (9) |
C11A | 0.0501 (18) | 0.0504 (18) | 0.0536 (17) | −0.0002 (13) | 0.0090 (13) | −0.0007 (12) |
C12A | 0.0508 (18) | 0.079 (2) | 0.0424 (16) | −0.0007 (16) | 0.0133 (13) | 0.0123 (14) |
S1—C1 | 1.676 (2) | S1A—C1A | 1.681 (3) |
O1—H1 | 0.8400 | O1A—H1A | 0.8400 |
O1—C4 | 1.359 (2) | O1A—C4A | 1.363 (3) |
O2—C7 | 1.380 (3) | O2A—C7A | 1.379 (3) |
O2—C9 | 1.419 (3) | O2A—C9A | 1.419 (3) |
N1—C1 | 1.342 (3) | N1A—C1A | 1.337 (4) |
N1—C11 | 1.461 (3) | N1A—C11A | 1.463 (4) |
N1—C12 | 1.452 (3) | N1A—C12A | 1.460 (3) |
N2—H2 | 0.8800 | N2A—H2A | 0.8800 |
N2—N3 | 1.364 (2) | N2A—N3A | 1.368 (3) |
N2—C1 | 1.372 (2) | N2A—C1A | 1.367 (3) |
N3—C2 | 1.292 (3) | N3A—C2A | 1.297 (3) |
C2—C3 | 1.470 (3) | C2A—C3A | 1.474 (3) |
C2—C10 | 1.500 (3) | C2A—C10A | 1.496 (3) |
C3—C4 | 1.411 (3) | C3A—C4A | 1.408 (3) |
C3—C8 | 1.405 (3) | C3A—C8A | 1.414 (3) |
C4—C5 | 1.395 (3) | C4A—C5A | 1.389 (4) |
C5—H5 | 0.9500 | C5A—H5A | 0.9500 |
C5—C6 | 1.369 (3) | C5A—C6A | 1.371 (4) |
C6—H6 | 0.9500 | C6A—H6A | 0.9500 |
C6—C7 | 1.391 (3) | C6A—C7A | 1.392 (3) |
C7—C8 | 1.381 (3) | C7A—C8A | 1.375 (3) |
C8—H8 | 0.9500 | C8A—H8A | 0.9500 |
C9—H9A | 0.9800 | C9A—H9AA | 0.9800 |
C9—H9B | 0.9800 | C9A—H9AB | 0.9800 |
C9—H9C | 0.9800 | C9A—H9AC | 0.9800 |
C10—H10A | 0.9800 | C10A—H10D | 0.9800 |
C10—H10B | 0.9800 | C10A—H10E | 0.9800 |
C10—H10C | 0.9800 | C10A—H10F | 0.9800 |
C11—H11A | 0.9800 | C11A—H11D | 0.9800 |
C11—H11B | 0.9800 | C11A—H11E | 0.9800 |
C11—H11C | 0.9800 | C11A—H11F | 0.9800 |
C12—H12A | 0.9800 | C12A—H12D | 0.9800 |
C12—H12B | 0.9800 | C12A—H12E | 0.9800 |
C12—H12C | 0.9800 | C12A—H12F | 0.9800 |
C4—O1—H1 | 109.5 | C4A—O1A—H1A | 109.5 |
C7—O2—C9 | 116.72 (17) | C7A—O2A—C9A | 116.31 (19) |
C1—N1—C11 | 122.29 (17) | C1A—N1A—C11A | 122.0 (2) |
C1—N1—C12 | 121.38 (17) | C1A—N1A—C12A | 121.0 (3) |
C12—N1—C11 | 116.23 (17) | C12A—N1A—C11A | 116.9 (3) |
N3—N2—H2 | 120.6 | N3A—N2A—H2A | 119.6 |
N3—N2—C1 | 118.84 (17) | C1A—N2A—H2A | 119.6 |
C1—N2—H2 | 120.6 | C1A—N2A—N3A | 120.7 (2) |
C2—N3—N2 | 120.09 (17) | C2A—N3A—N2A | 117.1 (2) |
N1—C1—S1 | 124.37 (15) | N1A—C1A—S1A | 125.40 (19) |
N1—C1—N2 | 114.36 (17) | N1A—C1A—N2A | 113.3 (2) |
N2—C1—S1 | 121.27 (15) | N2A—C1A—S1A | 121.3 (2) |
N3—C2—C3 | 115.20 (17) | N3A—C2A—C3A | 115.5 (2) |
N3—C2—C10 | 125.01 (18) | N3A—C2A—C10A | 123.5 (2) |
C3—C2—C10 | 119.79 (17) | C3A—C2A—C10A | 121.05 (19) |
C4—C3—C2 | 122.05 (18) | C4A—C3A—C2A | 122.6 (2) |
C8—C3—C2 | 119.78 (17) | C4A—C3A—C8A | 118.0 (2) |
C8—C3—C4 | 118.16 (18) | C8A—C3A—C2A | 119.43 (19) |
O1—C4—C3 | 124.19 (18) | O1A—C4A—C3A | 123.2 (2) |
O1—C4—C5 | 116.38 (18) | O1A—C4A—C5A | 116.9 (2) |
C5—C4—C3 | 119.43 (19) | C5A—C4A—C3A | 119.8 (2) |
C4—C5—H5 | 119.3 | C4A—C5A—H5A | 119.4 |
C6—C5—C4 | 121.38 (19) | C6A—C5A—C4A | 121.3 (2) |
C6—C5—H5 | 119.3 | C6A—C5A—H5A | 119.4 |
C5—C6—H6 | 120.0 | C5A—C6A—H6A | 120.1 |
C5—C6—C7 | 119.9 (2) | C5A—C6A—C7A | 119.8 (2) |
C7—C6—H6 | 120.0 | C7A—C6A—H6A | 120.1 |
O2—C7—C6 | 115.65 (18) | O2A—C7A—C6A | 115.6 (2) |
O2—C7—C8 | 124.61 (19) | C8A—C7A—O2A | 124.3 (2) |
C8—C7—C6 | 119.74 (19) | C8A—C7A—C6A | 120.1 (2) |
C3—C8—H8 | 119.3 | C3A—C8A—H8A | 119.5 |
C7—C8—C3 | 121.33 (19) | C7A—C8A—C3A | 121.0 (2) |
C7—C8—H8 | 119.3 | C7A—C8A—H8A | 119.5 |
O2—C9—H9A | 109.5 | O2A—C9A—H9AA | 109.5 |
O2—C9—H9B | 109.5 | O2A—C9A—H9AB | 109.5 |
O2—C9—H9C | 109.5 | O2A—C9A—H9AC | 109.5 |
H9A—C9—H9B | 109.5 | H9AA—C9A—H9AB | 109.5 |
H9A—C9—H9C | 109.5 | H9AA—C9A—H9AC | 109.5 |
H9B—C9—H9C | 109.5 | H9AB—C9A—H9AC | 109.5 |
C2—C10—H10A | 109.5 | C2A—C10A—H10D | 109.5 |
C2—C10—H10B | 109.5 | C2A—C10A—H10E | 109.5 |
C2—C10—H10C | 109.5 | C2A—C10A—H10F | 109.5 |
H10A—C10—H10B | 109.5 | H10D—C10A—H10E | 109.5 |
H10A—C10—H10C | 109.5 | H10D—C10A—H10F | 109.5 |
H10B—C10—H10C | 109.5 | H10E—C10A—H10F | 109.5 |
N1—C11—H11A | 109.5 | N1A—C11A—H11D | 109.5 |
N1—C11—H11B | 109.5 | N1A—C11A—H11E | 109.5 |
N1—C11—H11C | 109.5 | N1A—C11A—H11F | 109.5 |
H11A—C11—H11B | 109.5 | H11D—C11A—H11E | 109.5 |
H11A—C11—H11C | 109.5 | H11D—C11A—H11F | 109.5 |
H11B—C11—H11C | 109.5 | H11E—C11A—H11F | 109.5 |
N1—C12—H12A | 109.5 | N1A—C12A—H12D | 109.5 |
N1—C12—H12B | 109.5 | N1A—C12A—H12E | 109.5 |
N1—C12—H12C | 109.5 | N1A—C12A—H12F | 109.5 |
H12A—C12—H12B | 109.5 | H12D—C12A—H12E | 109.5 |
H12A—C12—H12C | 109.5 | H12D—C12A—H12F | 109.5 |
H12B—C12—H12C | 109.5 | H12E—C12A—H12F | 109.5 |
O1—C4—C5—C6 | −178.0 (2) | O1A—C4A—C5A—C6A | −179.3 (2) |
O2—C7—C8—C3 | −179.22 (18) | O2A—C7A—C8A—C3A | −178.6 (2) |
N2—N3—C2—C3 | 178.91 (16) | N2A—N3A—C2A—C3A | −177.70 (18) |
N2—N3—C2—C10 | −1.7 (3) | N2A—N3A—C2A—C10A | 1.3 (3) |
N3—N2—C1—S1 | −2.4 (2) | N3A—N2A—C1A—S1A | −0.3 (3) |
N3—N2—C1—N1 | 178.56 (17) | N3A—N2A—C1A—N1A | 179.2 (2) |
N3—C2—C3—C4 | 4.8 (3) | N3A—C2A—C3A—C4A | −2.1 (3) |
N3—C2—C3—C8 | −174.23 (17) | N3A—C2A—C3A—C8A | 176.3 (2) |
C1—N2—N3—C2 | 173.41 (17) | C1A—N2A—N3A—C2A | −171.6 (2) |
C2—C3—C4—O1 | −0.5 (3) | C2A—C3A—C4A—O1A | −2.7 (3) |
C2—C3—C4—C5 | 179.65 (18) | C2A—C3A—C4A—C5A | 177.1 (2) |
C2—C3—C8—C7 | 178.66 (18) | C2A—C3A—C8A—C7A | −177.7 (2) |
C3—C4—C5—C6 | 1.9 (3) | C3A—C4A—C5A—C6A | 0.9 (4) |
C4—C3—C8—C7 | −0.4 (3) | C4A—C3A—C8A—C7A | 0.7 (3) |
C4—C5—C6—C7 | −0.7 (3) | C4A—C5A—C6A—C7A | 0.1 (4) |
C5—C6—C7—O2 | 179.7 (2) | C5A—C6A—C7A—O2A | 178.3 (2) |
C5—C6—C7—C8 | −1.0 (3) | C5A—C6A—C7A—C8A | −0.8 (4) |
C6—C7—C8—C3 | 1.6 (3) | C6A—C7A—C8A—C3A | 0.3 (3) |
C8—C3—C4—O1 | 178.59 (18) | C8A—C3A—C4A—O1A | 178.9 (2) |
C8—C3—C4—C5 | −1.3 (3) | C8A—C3A—C4A—C5A | −1.3 (3) |
C9—O2—C7—C6 | −176.3 (2) | C9A—O2A—C7A—C6A | −179.3 (2) |
C9—O2—C7—C8 | 4.5 (3) | C9A—O2A—C7A—C8A | −0.3 (3) |
C10—C2—C3—C4 | −174.64 (18) | C10A—C2A—C3A—C4A | 178.9 (2) |
C10—C2—C3—C8 | 6.3 (3) | C10A—C2A—C3A—C8A | −2.8 (3) |
C11—N1—C1—S1 | −177.10 (15) | C11A—N1A—C1A—S1A | 179.4 (2) |
C11—N1—C1—N2 | 1.9 (3) | C11A—N1A—C1A—N2A | 0.0 (3) |
C12—N1—C1—S1 | −0.7 (3) | C12A—N1A—C1A—S1A | 3.7 (4) |
C12—N1—C1—N2 | 178.29 (18) | C12A—N1A—C1A—N2A | −175.7 (2) |
Cg1 and Cg2 are the centroids of the C3···C8 and C3A···C8A rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N3 | 0.84 | 1.84 | 2.563 (2) | 143 |
O1A—H1A···N3A | 0.84 | 1.86 | 2.565 (3) | 141 |
C11—H11A···O1i | 0.98 | 2.51 | 3.315 (3) | 139 |
C11A—H11E···O1Aii | 0.98 | 2.68 | 3.305 (4) | 122 |
C11A—H11E···Cg2iii | 0.98 | 2.73 | 3.590 (3) | 147 |
C12—H12B···Cg1i | 0.98 | 2.82 | 3.530 (3) | 130 |
Symmetry codes: (i) −x+1, −y, −z+2; (ii) −x+1, −y, −z+1; (iii) −x+3/2, y+1/2, −z+1. |
Cg1 and Cg2 are the centroids of the C3···C8 and C3A···C8A rings, respectively. |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N3 | 0.84 | 1.84 | 2.563 (2) | 143 |
O1A—H1A···N3A | 0.84 | 1.86 | 2.565 (3) | 141 |
C11—H11A···O1i | 0.98 | 2.51 | 3.315 (3) | 139 |
C11A—H11E···O1Aii | 0.98 | 2.68 | 3.305 (4) | 122 |
C11A—H11E···Cg2iii | 0.98 | 2.73 | 3.590 (3) | 147 |
C12—H12B···Cg1i | 0.98 | 2.82 | 3.530 (3) | 130 |
Symmetry codes: (i) −x+1, −y, −z+2; (ii) −x+1, −y, −z+1; (iii) −x+3/2, y+1/2, −z+1. |
Acknowledgements
JPJ acknowledges the NSF–MRI program (grant No. CHE-1039027) for funds to purchase the X-ray diffractometer.
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The asymmetric unit of the title compound, C12H17N3O2S, contains two independent molecules A and B, respectively (Fig. 1). Both molecules are nearly planar with the dihedral angle between the mean planes of the thioamide group and benzene ring being 7.5 (1)° in A and 4.3 (2)° in B. In each molecule, the hydroxy group participates in intramolecular O—H···N hydrogen bonding, while the amino H atom is not involved in hydrogen bonding because of the steric hinderence caused by two neighboring methyl groups. In the crystal, weak intermolecular C—H···O and C—H···π (Table 1) interactions are observed which help stabilize the packing (Fig. 2). No π—π stacking interactions are present.