organic compounds
N-Bromo-S-(4-nitrophenyl)-S-phenylsulfimide
aDepartment of Applied Chemistry, Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama, 930-8555, Japan, and bCenter for Environmental Conservation and Research Safety, University of Toyama, 3190 Gofuku, Toyama, 930-8555, Japan
*Correspondence e-mail: by4ut6@bma.biglobe.ne.jp
The title compound, C12H9BrN2O2S, the first of an N-halosulfimide, adopts a syn conformation about the S=N bond, with a Br—N—S—C(phenyl) torsion angle of −54.64 (17)°. The dihedral angle between between the phenyl and 4-nitrophenyl rings is 65.04 (14)°. In the crystal, molecules are linked by C—H⋯Br, C—H⋯N and C—H⋯O interactions, forming a tape structure along the c axis.
Keywords: crystal structure; N-bromosulfimide; syn conformation.
CCDC reference: 1454896
Structure description
The chemistry of N-halosulfimides (R,R′S=NX) has attracted much attention due to their unique structures and reactivities (Oae & Furukawa, 1983; Yoshimura et al., 1977; Kumar & Shreeve, 1981; Aucott et al., 2004). Previously, we have synthesized diaryl(fluoro)-λ6-sulfanenitriles by the reaction of S,S-diaryl-N-bromosulfimides with tetrabutylammonium fluoride (Yoshimura et al., 1992) and also by the reaction of S,S-diarylsulfimides using SelectfluorTM, an electrophilic fluorinating reagent, where the reaction proceeds via S,S-diaryl-N-fluorosulfimides as intermediates which undergo 1,2-migration of the F atom (Fujii et al., 2003). We have also performed DFT calculations using a model compound, S,S-dimethyl-N-fluorosulfimide, which showed that the syn conformer of N-fluorosulfimide is more stable than the anti one. In order to elucidate the mechanism of this 1,2-migration (retention or inversion), it is important to examine the structures of N-halosulfimides. However, the corresponding N-fluorosulfimides could not be isolated, and similar compounds of N-chlorosulfimides are also unstable for X-ray analysis. The of the title compound, N-bromo-S-(4-nitrophenyl)-S-phenylsulfimide, has now been successfully resolved.
The molecular structure of the title compound was found to have a syn conformation, consistent with the prediction of the DFT calculation, as illustrated in Fig. 1. In the crystal, the molecules are linked through weak C3—H2⋯(N=Br) and C5—H3⋯O1 hydrogen bonds, forming a tape along the c axis (Table 1 and Fig. 2).
Synthesis and crystallization
The title compound was prepared by the method previously reported (Yoshimura et al., 1977) using S-(4-nitrophenyl)-S-phenylsulfimide mono hydrate and N-bromosuccinimide and crystallized from a benzene-hexane (1:1) solution (yield: 95%; m.p. 425–426 K).
Refinement
Crystal data, data collection and structure .
details are summarized in Table 2Structural data
CCDC reference: 1454896
https://doi.org/10.1107/S2414314616020332/is4014sup1.cif
contains datablock I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S2414314616020332/is4014Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S2414314616020332/is4014Isup3.cml
Cell
RAPID-AUTO (Rigaku, 2001); data reduction: RAPID-AUTO (Rigaku, 2001); program(s) used to solve structure: SIR92 (Altomare et al., 1994); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: CrystalStructure (Rigaku, 2010); software used to prepare material for publication: CrystalStructure (Rigaku, 2010).C12H9BrN2O2S | F(000) = 648.00 |
Mr = 325.18 | Dx = 1.727 Mg m−3 |
Monoclinic, P21/c | Cu Kα radiation, λ = 1.54187 Å |
Hall symbol: -P 2ybc | Cell parameters from 13002 reflections |
a = 9.12236 (10) Å | θ = 4.7–68.3° |
b = 18.7734 (3) Å | µ = 6.02 mm−1 |
c = 7.70271 (10) Å | T = 173 K |
β = 108.576 (1)° | Block, yellow |
V = 1250.42 (3) Å3 | 0.52 × 0.27 × 0.20 mm |
Z = 4 |
Rigaku R-AXIS RAPID diffractometer | 2124 reflections with F2 > 2.0σ(F2) |
Detector resolution: 10.000 pixels mm-1 | Rint = 0.077 |
ω scans | θmax = 68.2° |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | h = −10→10 |
Tmin = 0.226, Tmax = 0.300 | k = −21→22 |
14491 measured reflections | l = −9→9 |
2279 independent reflections |
Refinement on F2 | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.037 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.101 | H-atom parameters constrained |
S = 1.08 | w = 1/[σ2(Fo2) + (0.0602P)2 + 0.2679P] where P = (Fo2 + 2Fc2)/3 |
2279 reflections | (Δ/σ)max = 0.001 |
163 parameters | Δρmax = 0.83 e Å−3 |
0 restraints | Δρmin = −0.40 e Å−3 |
Primary atom site location: structure-invariant direct methods |
Geometry. ENTER SPECIAL DETAILS OF THE MOLECULAR GEOMETRY |
Refinement. Refinement was performed using all reflections. The weighted R-factor (wR) and goodness of fit (S) are based on F2. R-factor (gt) are based on F. The threshold expression of F2 > 2.0 sigma(F2) is used only for calculating R-factor (gt). |
x | y | z | Uiso*/Ueq | ||
Br1 | 0.91904 (3) | 0.032258 (15) | 0.74644 (3) | 0.04051 (15) | |
S1 | 0.64227 (7) | 0.07351 (3) | 0.43986 (8) | 0.03335 (18) | |
O1 | 0.6655 (3) | −0.22788 (11) | 0.0004 (3) | 0.0550 (6) | |
O2 | 0.7188 (3) | −0.15518 (13) | −0.1882 (3) | 0.0597 (6) | |
N1 | 0.7002 (3) | 0.05179 (12) | 0.6514 (3) | 0.0377 (5) | |
N2 | 0.6924 (3) | −0.16817 (13) | −0.0455 (3) | 0.0410 (6) | |
C1 | 0.6804 (3) | 0.00334 (13) | 0.2999 (4) | 0.0312 (5) | |
C2 | 0.6876 (3) | 0.01676 (14) | 0.1252 (4) | 0.0344 (6) | |
C3 | 0.6935 (3) | −0.03971 (13) | 0.0125 (4) | 0.0349 (6) | |
C4 | 0.6913 (3) | −0.10794 (14) | 0.0781 (4) | 0.0336 (6) | |
C5 | 0.6850 (3) | −0.12264 (14) | 0.2515 (4) | 0.0365 (6) | |
C6 | 0.6798 (3) | −0.06594 (14) | 0.3630 (4) | 0.0344 (6) | |
C7 | 0.7462 (3) | 0.14683 (13) | 0.3886 (3) | 0.0342 (6) | |
C8 | 0.6725 (4) | 0.21283 (15) | 0.3750 (4) | 0.0409 (6) | |
C9 | 0.7501 (4) | 0.27343 (15) | 0.3495 (4) | 0.0479 (7) | |
C10 | 0.8984 (4) | 0.26804 (16) | 0.3384 (4) | 0.0514 (8) | |
C11 | 0.9707 (4) | 0.20242 (15) | 0.3515 (4) | 0.0445 (7) | |
C12 | 0.8943 (3) | 0.14113 (15) | 0.3777 (4) | 0.0386 (6) | |
H1 | 0.6884 | 0.0644 | 0.0837 | 0.0413* | |
H2 | 0.6989 | −0.0317 | −0.1071 | 0.0418* | |
H3 | 0.6842 | −0.1703 | 0.2924 | 0.0438* | |
H4 | 0.6758 | −0.0742 | 0.4831 | 0.0413* | |
H5 | 0.5709 | 0.2161 | 0.3831 | 0.0490* | |
H6 | 0.7016 | 0.3187 | 0.3396 | 0.0575* | |
H7 | 0.9511 | 0.3098 | 0.3217 | 0.0617* | |
H8 | 1.0720 | 0.1993 | 0.3426 | 0.0534* | |
H9 | 0.9433 | 0.0959 | 0.3879 | 0.0464* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Br1 | 0.0399 (3) | 0.0421 (3) | 0.0385 (2) | 0.00127 (10) | 0.01095 (15) | 0.00459 (10) |
S1 | 0.0334 (4) | 0.0342 (4) | 0.0354 (4) | 0.0022 (3) | 0.0151 (3) | 0.0019 (3) |
O1 | 0.0734 (15) | 0.0357 (12) | 0.0560 (13) | 0.0016 (10) | 0.0207 (11) | −0.0056 (10) |
O2 | 0.0776 (16) | 0.0631 (15) | 0.0474 (12) | −0.0027 (12) | 0.0324 (11) | −0.0130 (11) |
N1 | 0.0408 (12) | 0.0407 (12) | 0.0363 (11) | 0.0022 (10) | 0.0188 (10) | 0.0024 (10) |
N2 | 0.0373 (12) | 0.0461 (15) | 0.0375 (12) | 0.0036 (10) | 0.0089 (10) | −0.0066 (10) |
C1 | 0.0275 (12) | 0.0327 (14) | 0.0335 (12) | −0.0007 (10) | 0.0098 (10) | −0.0004 (10) |
C2 | 0.0346 (14) | 0.0356 (13) | 0.0336 (13) | −0.0014 (11) | 0.0115 (11) | 0.0063 (11) |
C3 | 0.0318 (14) | 0.0434 (16) | 0.0305 (13) | −0.0026 (10) | 0.0115 (11) | 0.0019 (11) |
C4 | 0.0286 (12) | 0.0382 (14) | 0.0331 (12) | −0.0013 (10) | 0.0088 (10) | −0.0041 (11) |
C5 | 0.0382 (14) | 0.0343 (14) | 0.0368 (13) | −0.0001 (11) | 0.0118 (11) | 0.0034 (11) |
C6 | 0.0356 (13) | 0.0381 (14) | 0.0315 (12) | −0.0011 (11) | 0.0134 (10) | 0.0042 (10) |
C7 | 0.0413 (14) | 0.0311 (13) | 0.0305 (12) | −0.0003 (11) | 0.0118 (11) | 0.0015 (10) |
C8 | 0.0477 (15) | 0.0413 (16) | 0.0317 (13) | 0.0083 (12) | 0.0099 (11) | 0.0017 (11) |
C9 | 0.071 (2) | 0.0304 (15) | 0.0371 (14) | 0.0057 (14) | 0.0106 (13) | 0.0035 (12) |
C10 | 0.070 (2) | 0.0410 (17) | 0.0407 (15) | −0.0135 (15) | 0.0141 (14) | 0.0054 (13) |
C11 | 0.0498 (16) | 0.0425 (17) | 0.0418 (15) | −0.0083 (13) | 0.0153 (12) | 0.0024 (12) |
C12 | 0.0436 (15) | 0.0349 (15) | 0.0384 (14) | −0.0010 (11) | 0.0145 (12) | 0.0032 (11) |
Br1—N1 | 1.930 (3) | C7—C12 | 1.384 (4) |
S1—N1 | 1.597 (3) | C8—C9 | 1.387 (5) |
S1—C1 | 1.805 (3) | C9—C10 | 1.386 (6) |
S1—C7 | 1.786 (3) | C10—C11 | 1.386 (5) |
O1—N2 | 1.223 (4) | C11—C12 | 1.393 (5) |
O2—N2 | 1.223 (4) | C2—H1 | 0.950 |
N2—C4 | 1.480 (4) | C3—H2 | 0.950 |
C1—C2 | 1.391 (4) | C5—H3 | 0.950 |
C1—C6 | 1.389 (4) | C6—H4 | 0.950 |
C2—C3 | 1.382 (4) | C8—H5 | 0.950 |
C3—C4 | 1.379 (4) | C9—H6 | 0.950 |
C4—C5 | 1.383 (4) | C10—H7 | 0.950 |
C5—C6 | 1.378 (4) | C11—H8 | 0.950 |
C7—C8 | 1.398 (4) | C12—H9 | 0.950 |
N1—S1—C1 | 111.02 (12) | C9—C10—C11 | 120.8 (3) |
N1—S1—C7 | 113.30 (11) | C10—C11—C12 | 119.8 (3) |
C1—S1—C7 | 102.33 (13) | C7—C12—C11 | 119.2 (3) |
Br1—N1—S1 | 113.69 (15) | C1—C2—H1 | 120.259 |
O1—N2—O2 | 123.9 (3) | C3—C2—H1 | 120.266 |
O1—N2—C4 | 118.1 (3) | C2—C3—H2 | 120.842 |
O2—N2—C4 | 118.0 (3) | C4—C3—H2 | 120.860 |
S1—C1—C2 | 121.54 (19) | C4—C5—H3 | 121.040 |
S1—C1—C6 | 116.8 (2) | C6—C5—H3 | 121.047 |
C2—C1—C6 | 121.0 (3) | C1—C6—H4 | 119.985 |
C1—C2—C3 | 119.5 (3) | C5—C6—H4 | 119.995 |
C2—C3—C4 | 118.3 (3) | C7—C8—H5 | 120.583 |
N2—C4—C3 | 118.0 (3) | C9—C8—H5 | 120.577 |
N2—C4—C5 | 118.7 (3) | C8—C9—H6 | 119.954 |
C3—C4—C5 | 123.3 (3) | C10—C9—H6 | 119.951 |
C4—C5—C6 | 117.9 (3) | C9—C10—H7 | 119.609 |
C1—C6—C5 | 120.0 (3) | C11—C10—H7 | 119.611 |
S1—C7—C8 | 115.0 (3) | C10—C11—H8 | 120.124 |
S1—C7—C12 | 123.5 (2) | C12—C11—H8 | 120.123 |
C8—C7—C12 | 121.3 (3) | C7—C12—H9 | 120.388 |
C7—C8—C9 | 118.8 (3) | C11—C12—H9 | 120.396 |
C8—C9—C10 | 120.1 (3) | ||
N1—S1—C1—C2 | −159.09 (16) | C2—C1—C6—C5 | −0.6 (4) |
N1—S1—C1—C6 | 30.08 (19) | C6—C1—C2—C3 | 0.3 (4) |
C1—S1—N1—Br1 | 59.86 (16) | C1—C2—C3—C4 | 0.3 (4) |
N1—S1—C7—C8 | −99.02 (16) | C2—C3—C4—N2 | 178.03 (19) |
N1—S1—C7—C12 | 75.8 (2) | C2—C3—C4—C5 | −0.6 (4) |
C7—S1—N1—Br1 | −54.64 (17) | N2—C4—C5—C6 | −178.29 (18) |
C1—S1—C7—C8 | 141.38 (14) | C3—C4—C5—C6 | 0.4 (4) |
C1—S1—C7—C12 | −43.80 (19) | C4—C5—C6—C1 | 0.2 (4) |
C7—S1—C1—C2 | −37.90 (19) | S1—C7—C8—C9 | 175.13 (14) |
C7—S1—C1—C6 | 151.26 (15) | S1—C7—C12—C11 | −174.89 (15) |
O1—N2—C4—C3 | −168.46 (19) | C8—C7—C12—C11 | −0.4 (4) |
O1—N2—C4—C5 | 10.3 (3) | C12—C7—C8—C9 | 0.2 (4) |
O2—N2—C4—C3 | 10.9 (3) | C7—C8—C9—C10 | −0.2 (4) |
O2—N2—C4—C5 | −170.3 (2) | C8—C9—C10—C11 | 0.4 (4) |
S1—C1—C2—C3 | −170.17 (15) | C9—C10—C11—C12 | −0.6 (4) |
S1—C1—C6—C5 | 170.33 (15) | C10—C11—C12—C7 | 0.6 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
C3—H2···Br1i | 0.95 | 2.86 | 3.598 (3) | 135 |
C3—H2···N1i | 0.95 | 2.44 | 3.286 (3) | 149 |
C5—H3···O1ii | 0.95 | 2.54 | 3.435 (3) | 158 |
Symmetry codes: (i) x, y, z−1; (ii) x, −y−1/2, z+1/2. |
Acknowledgements
The authors are grateful to the Department of Applied Chemistry, Faculty of Engineering, University of Toyama, for the provision of laboratory facilities. They also acknowledge the University of Toyama for providing funds for single-crystal X-ray analyses.
Funding information
Funding for this research was provided by: Grant-in-Aid for Scientific Research on Priority Areas from the Ministry of Education, Science, Sports and Culture, Japan (award Nos. 09239218, 14044032); Japan Society for the Promotion of Sciencehttps://doi.org/10.13039/501100001691 (award No. P11336).
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