2,4,6-Trimethyl-3,5-bis[(phenylcarbono­thioyl)sulfanylmethyl]benzyl benzenecarbodithioate

Kannan, M.; Ramkumar, V.; Dhamodharan, R.

doi:10.1107/S1600536810016028

organic compounds

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ISSN: 2056-9890

Volume 66| Part 6| June 2010| Page o1382

https://doi.org/10.1107/S1600536810016028

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2,4,6-Trimethyl-3,5-bis[(phenylcarbonothioyl)sulfanylmethyl]benzyl benzenecarbodithioate

M. Kannan,^a V. Ramkumar ^a and R. Dhamodharan ^a ^*

^aDepartment of Chemistry, IIT Madras, Chennai, TamilNadu, India
^*Correspondence e-mail: damo@iitm.ac.in

(Received 21 April 2010; accepted 30 April 2010; online 19 May 2010)

In the title compound C₃₃H₃₀S₆, the three pendant methylene benzodithioate groups lie to one side of the central benzene ring in a cis-cis-cis `tripod' arrangement. The dihedral angles between the central benzene ring and the three pendant rings are 72.54 (4), 89.68 (4) and 86.74 (4)°. In the crystal structure, one of the benzene rings is disordered over two orientations in a 0.559 (13):0.441 (13) ratio.

Related literature

For applications of the title compound, see: Stenzel-Rosenbaum et al. (2001 ); Chong et al. (1999 ); Takolpuckdee et al. (2005 ). For a related structure, see: Li et al. (2002 ).

Experimental

Crystal data

C₃₃H₃₀S₆
M_r = 618.93
Monoclinic, P 2₁ /n
a = 9.5698 (3) Å
b = 21.7668 (10) Å
c = 15.3823 (8) Å
β = 94.819 (2)°
V = 3192.9 (2) Å³
Z = 4
Mo Kα radiation
μ = 0.45 mm⁻¹
T = 298 K
0.40 × 0.22 × 0.20 mm

Data collection

Bruker APEXII CCD diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 1999 ) T_min = 0.841, T_max = 0.915
23638 measured reflections
7773 independent reflections
3544 reflections with I > 2σ(I)
R_int = 0.035

Refinement

R[F² > 2σ(F²)] = 0.059
wR(F²) = 0.188
S = 1.01
7773 reflections
363 parameters
1 restraint
H-atom parameters constrained
Δρ_max = 0.68 e Å⁻³
Δρ_min = −0.43 e Å⁻³

Data collection: APEX2 (Bruker, 2004 ); cell refinement: APEX2 and SAINT-plus (Bruker, 2004); data reduction: SAINT-Plus and XPREP (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997 ); software used to prepare material for publication: SHELXL97.

Supporting information

Crystal structure: contains datablocks global, I. DOI: https://doi.org/10.1107/S1600536810016028/hb5411sup1.cif

Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536810016028/hb5411Isup2.hkl

checkCIF report

Comment top

The title compound C₃₃H₃₀S₆ is a tri-functional dithioester derivative, which is used as a chain transfer agent (CTA) (Chong et al. 1999) in reversible addition fragmentation chain transfer (RAFT) polymerization. Being a tri-functional unit it can form the core of star polymer (Stenzel et al. 2001) when used as a CTA. Most of the reported mono functional CTAs are liquid and hence, very few single crystal XRD reports are available (Takolpuckdee et al. 2005). In the case of the multi-functional CTAs, depending upon the core it would be either solid or liquid. Since most of the synthesized multi-functional CTAs are characterized by other techniques, their single crystal XRD reports are not available. Here we report the title compound which is one such multi functional CTA, crystallised from hexane.

The title compound C₃₃ H₃₀ S₆ adopts a cis,cis,cis- conformation where the three pendant arms (methylene benzodithioate) protrude on one side of the mean plane of the central benzene ring. Similar structures have been reported (Li et al., 2002) where the three pendant arms (phenylthio groups) adopt cis,trans, trans- conformation. The replacement of phenylthio groups by benzodithioate groups flips the conformation from cis,trans, trans (`soft-shelled crawling turtle') to cis,cis,cis- conformation ('tripod stand').

The dihedral angle between the central benzene ring and the three methylene benzodithioate groups are 72.54 (4)°, 89.68 (4)° and 86.74 (4)°. The torsion angle of the three methylene benzodithioate group C2—C10—S1—C11, C4—C18—S3–C19 and C6—C26—S5—C27 are 147.1 (3),-174.8 (3) and -179.3 (3)°, respectively.

Related literature top

For applications of the title compound, see: Stenzel-Rosenbaum et al. (2001); Chong et al. (1999); Takolpuckdee et al. (2005). For a related structure, see: Li et al. (2002).

Experimental top

Phenyl magnesium bromide was prepared in-situ by adding bromobenzene (5 mmol) to activated Mg (5.5 mmol) in dry THF and the solution was refluxed for 1 h. To this reaction mixture carbon disulfide (5.5 mmol) was added over 10 min at 273 K. The mixture was allowed to warm to room temperature. Then 1,3,5-tris(bromomethyl)-2,4,6-trimethylbenzene (1 mmol) was added over 15 min. The reaction mixture was then placed in a constant temperature bath stirred at 323 K for 3 h and concentrated under reduced pressure. The resulting crude product was dissolved in ether, rinsed thrice with water, followed by brine solution and dried over anhydrous magnesium sulfate. The crude product was purified by column chromatography using 10% ethyl acetate in hexane as the eluent to obtain the pure title compound as a bright red solid. Recrystallization of the compound from hexane gave red blocks of (I).

Structure description top

For applications of the title compound, see: Stenzel-Rosenbaum et al. (2001); Chong et al. (1999); Takolpuckdee et al. (2005). For a related structure, see: Li et al. (2002).

Computing details top

Data collection: APEX2 (Bruker, 2004); cell refinement: APEX2 and SAINT (Bruker, 2004); data reduction: SAINT-Plus and XPREP (Bruker, 2004); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).

Figures top

Fig. 1. The molecular structure of (I) with atoms represented as 30% probability ellipsoids.

2,4,6-Trimethyl-3,5-bis[(phenylcarbonothioyl)sulfanylmethyl]benzyl benzenecarbodithioate top

Crystal data top

C₃₃H₃₀S₆	F(000) = 1296
M_r = 618.93	D_x = 1.288 Mg m⁻³
Monoclinic, P2₁/n	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2yn	Cell parameters from 4990 reflections
a = 9.5698 (3) Å	θ = 2.7–22.8°
b = 21.7668 (10) Å	µ = 0.45 mm⁻¹
c = 15.3823 (8) Å	T = 298 K
β = 94.819 (2)°	Block, red
V = 3192.9 (2) Å³	0.40 × 0.22 × 0.20 mm
Z = 4

Data collection top

Bruker APEXII CCD diffractometer	7773 independent reflections
Radiation source: fine-focus sealed tube	3544 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.035
phi and ω scans	θ_max = 28.3°, θ_min = 2.3°
Absorption correction: multi-scan (SADABS; Bruker, 1999)	h = −9→12
T_min = 0.841, T_max = 0.915	k = −29→29
23638 measured reflections	l = −20→20

Refinement top

Refinement on F²	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F² > 2σ(F²)] = 0.059	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.188	H-atom parameters constrained
S = 1.01	w = 1/[σ²(F_o²) + (0.0749P)² + 1.3743P] where P = (F_o² + 2F_c²)/3
7773 reflections	(Δ/σ)_max < 0.001
363 parameters	Δρ_max = 0.68 e Å⁻³
1 restraint	Δρ_min = −0.43 e Å⁻³

Crystal data top

C₃₃H₃₀S₆	V = 3192.9 (2) Å³
M_r = 618.93	Z = 4
Monoclinic, P2₁/n	Mo Kα radiation
a = 9.5698 (3) Å	µ = 0.45 mm⁻¹
b = 21.7668 (10) Å	T = 298 K
c = 15.3823 (8) Å	0.40 × 0.22 × 0.20 mm
β = 94.819 (2)°

Data collection top

Bruker APEXII CCD diffractometer	7773 independent reflections
Absorption correction: multi-scan (SADABS; Bruker, 1999)	3544 reflections with I > 2σ(I)
T_min = 0.841, T_max = 0.915	R_int = 0.035
23638 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.059	1 restraint
wR(F²) = 0.188	H-atom parameters constrained
S = 1.01	Δρ_max = 0.68 e Å⁻³
7773 reflections	Δρ_min = −0.43 e Å⁻³
363 parameters

Special details top

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. Refinement of F² against ALL reflections. The weighted R-factor wR and

goodness of fit S are based on F², conventional R-factors R are based

on F, with F set to zero for negative F². The threshold expression of

F² > σ(F²) is used only for calculating R-factors(gt) etc. and is

not relevant to the choice of reflections for refinement. R-factors based

on F² are statistically about twice as large as those based on F, and R-

factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq	Occ. (<1)
C1	0.1544 (3)	0.05751 (14)	0.5508 (3)	0.0658 (9)
C2	0.0778 (3)	0.07500 (14)	0.4741 (2)	0.0612 (9)
C3	−0.0514 (3)	0.10408 (14)	0.4769 (2)	0.0623 (9)
C4	−0.1075 (3)	0.11213 (14)	0.5571 (3)	0.0684 (10)
C5	−0.0318 (4)	0.09496 (16)	0.6348 (3)	0.0717 (10)
C6	0.0991 (4)	0.06642 (15)	0.6311 (3)	0.0712 (10)
C7	0.2994 (4)	0.02961 (17)	0.5468 (3)	0.0886 (12)
H7A	0.2905	−0.0117	0.5251	0.133*
H7B	0.3473	0.0292	0.6042	0.133*
H7C	0.3519	0.0537	0.5086	0.133*
C8	−0.1286 (4)	0.12723 (19)	0.3935 (3)	0.0865 (12)
H8A	−0.0620	0.1409	0.3543	0.130*
H8B	−0.1883	0.1608	0.4065	0.130*
H8C	−0.1844	0.0947	0.3666	0.130*
C9	−0.0902 (5)	0.1067 (2)	0.7219 (3)	0.1069 (15)
H9A	−0.1512	0.1418	0.7171	0.160*
H9B	−0.0144	0.1144	0.7654	0.160*
H9C	−0.1419	0.0714	0.7382	0.160*
C10	0.1363 (4)	0.06230 (16)	0.3885 (3)	0.0755 (10)
H10A	0.0602	0.0549	0.3440	0.091*
H10B	0.1946	0.0258	0.3935	0.091*
C11	0.3706 (3)	0.09594 (16)	0.3015 (2)	0.0672 (9)
C12	0.4644 (3)	0.14406 (16)	0.2717 (3)	0.0691 (10)
C13	0.5167 (5)	0.1390 (2)	0.1906 (3)	0.0962 (13)
H13	0.4962	0.1044	0.1565	0.115*
C14	0.5993 (5)	0.1852 (3)	0.1602 (4)	0.1174 (18)
H14	0.6318	0.1821	0.1051	0.141*
C15	0.6332 (5)	0.2353 (2)	0.2109 (5)	0.1130 (18)
H15	0.6887	0.2663	0.1902	0.136*
C16	0.5863 (4)	0.2402 (2)	0.2916 (4)	0.0965 (13)
H16	0.6121	0.2739	0.3264	0.116*
C17	0.5010 (4)	0.19564 (18)	0.3221 (3)	0.0792 (11)
H17	0.4676	0.2000	0.3768	0.095*
C18	−0.2524 (4)	0.13992 (16)	0.5593 (3)	0.0835 (12)
H18A	−0.2991	0.1225	0.6071	0.100*
H18B	−0.3084	0.1309	0.5052	0.100*
C19	−0.4041 (3)	0.24648 (15)	0.5844 (2)	0.0612 (8)
C20	−0.4158 (4)	0.31403 (16)	0.5938 (2)	0.0637 (9)
C21	−0.3297 (5)	0.35393 (19)	0.5555 (4)	0.1077 (16)
H21	−0.2596	0.3391	0.5228	0.129*
C22	−0.3475 (6)	0.4169 (2)	0.5657 (4)	0.131 (2)
H22	−0.2877	0.4438	0.5400	0.158*
C23	−0.4486 (6)	0.4397 (2)	0.6115 (4)	0.1091 (15)
H23	−0.4598	0.4819	0.6168	0.131*
C24	−0.5334 (5)	0.4008 (2)	0.6498 (3)	0.0922 (13)
H24	−0.6029	0.4164	0.6825	0.111*
C25	−0.5189 (4)	0.33840 (18)	0.6414 (2)	0.0745 (10)
H25	−0.5791	0.3122	0.6681	0.089*
C26	0.1786 (5)	0.04527 (17)	0.7143 (3)	0.0897 (12)
H26A	0.2269	0.0070	0.7046	0.108*
H26B	0.1146	0.0386	0.7591	0.108*
C27	0.3891 (4)	0.07623 (15)	0.8423 (2)	0.0657 (9)
C28	0.5103 (4)	0.11464 (17)	0.8736 (2)	0.0734 (10)
C29	0.541 (2)	0.1707 (9)	0.8418 (17)	0.106 (4)	0.444 (13)
H29	0.4751	0.1884	0.8014	0.127*	0.444 (13)
C30	0.659 (2)	0.2029 (9)	0.8639 (16)	0.126 (5)	0.444 (13)
H30	0.6787	0.2388	0.8344	0.152*	0.444 (13)
C29A	0.4891 (16)	0.1805 (7)	0.8748 (12)	0.106 (4)	0.559 (13)
H29A	0.4036	0.1981	0.8556	0.127*	0.559 (13)
C30A	0.6036 (18)	0.2161 (8)	0.9062 (11)	0.126 (5)	0.559 (13)
H30A	0.5950	0.2582	0.9144	0.152*	0.559 (13)
C31	0.7455 (8)	0.1828 (4)	0.9268 (4)	0.150 (3)
H31	0.8059	0.2089	0.9596	0.180*
C32	0.7429 (6)	0.1233 (3)	0.9417 (3)	0.1197 (18)
H32	0.8207	0.1043	0.9704	0.144*
C33	0.6275 (5)	0.0890 (2)	0.9155 (3)	0.0947 (13)
H33	0.6288	0.0470	0.9264	0.114*
S1	0.23941 (10)	0.12712 (4)	0.35723 (8)	0.0838 (3)
S2	0.39012 (14)	0.02285 (5)	0.28250 (9)	0.1074 (4)
S3	−0.23485 (10)	0.22221 (5)	0.57331 (10)	0.0997 (4)
S4	−0.53785 (10)	0.19992 (5)	0.58348 (8)	0.0873 (4)
S5	0.30387 (13)	0.10484 (5)	0.74795 (8)	0.0999 (4)
S6	0.34802 (13)	0.01222 (5)	0.88751 (8)	0.0956 (4)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
C1	0.0529 (19)	0.0435 (17)	0.102 (3)	−0.0026 (15)	0.012 (2)	0.0022 (18)
C2	0.0537 (19)	0.0422 (16)	0.089 (3)	−0.0039 (14)	0.0129 (18)	−0.0020 (16)
C3	0.0524 (18)	0.0427 (16)	0.092 (3)	−0.0024 (14)	0.0092 (18)	−0.0004 (17)
C4	0.056 (2)	0.0477 (18)	0.104 (3)	−0.0036 (15)	0.018 (2)	−0.0068 (19)
C5	0.072 (2)	0.056 (2)	0.089 (3)	−0.0163 (18)	0.021 (2)	−0.0066 (19)
C6	0.068 (2)	0.0529 (19)	0.091 (3)	−0.0124 (17)	−0.002 (2)	0.0078 (19)
C7	0.063 (2)	0.063 (2)	0.138 (4)	0.0059 (18)	0.002 (2)	0.006 (2)
C8	0.074 (2)	0.076 (2)	0.108 (3)	0.010 (2)	0.004 (2)	0.003 (2)
C9	0.116 (4)	0.102 (3)	0.108 (4)	−0.026 (3)	0.037 (3)	−0.016 (3)
C10	0.073 (2)	0.0525 (19)	0.104 (3)	−0.0045 (17)	0.026 (2)	−0.0056 (19)
C11	0.062 (2)	0.060 (2)	0.081 (3)	0.0077 (17)	0.0129 (18)	−0.0047 (18)
C12	0.0562 (19)	0.063 (2)	0.090 (3)	0.0115 (17)	0.0190 (19)	0.0035 (19)
C13	0.100 (3)	0.086 (3)	0.108 (3)	0.009 (2)	0.042 (3)	−0.002 (3)
C14	0.114 (4)	0.114 (4)	0.134 (5)	0.018 (3)	0.071 (3)	0.025 (4)
C15	0.082 (3)	0.087 (3)	0.175 (6)	0.005 (3)	0.047 (3)	0.028 (4)
C16	0.072 (3)	0.081 (3)	0.140 (4)	−0.009 (2)	0.024 (3)	0.002 (3)
C17	0.065 (2)	0.078 (3)	0.096 (3)	−0.001 (2)	0.015 (2)	0.000 (2)
C18	0.059 (2)	0.059 (2)	0.136 (4)	−0.0014 (17)	0.028 (2)	−0.018 (2)
C19	0.0589 (19)	0.064 (2)	0.063 (2)	0.0018 (16)	0.0155 (15)	−0.0032 (16)
C20	0.066 (2)	0.062 (2)	0.065 (2)	0.0060 (17)	0.0104 (17)	−0.0004 (17)
C21	0.118 (4)	0.069 (3)	0.145 (4)	−0.009 (2)	0.064 (3)	−0.011 (3)
C22	0.161 (5)	0.070 (3)	0.173 (6)	−0.017 (3)	0.072 (4)	0.000 (3)
C23	0.141 (4)	0.069 (3)	0.117 (4)	0.016 (3)	0.015 (3)	−0.016 (3)
C24	0.103 (3)	0.089 (3)	0.085 (3)	0.034 (3)	0.009 (2)	−0.011 (2)
C25	0.076 (2)	0.080 (3)	0.068 (2)	0.019 (2)	0.0104 (18)	−0.0026 (19)
C26	0.100 (3)	0.060 (2)	0.107 (3)	−0.026 (2)	−0.006 (2)	0.014 (2)
C27	0.083 (2)	0.0506 (18)	0.066 (2)	0.0023 (17)	0.0209 (18)	−0.0040 (16)
C28	0.091 (3)	0.061 (2)	0.067 (2)	−0.008 (2)	0.001 (2)	0.0029 (18)
C29	0.087 (9)	0.062 (5)	0.164 (14)	−0.009 (6)	−0.016 (7)	0.005 (7)
C30	0.138 (12)	0.085 (7)	0.151 (14)	−0.043 (7)	−0.015 (8)	0.009 (7)
C29A	0.087 (9)	0.062 (5)	0.164 (14)	−0.009 (6)	−0.016 (7)	0.005 (7)
C30A	0.138 (12)	0.085 (7)	0.151 (14)	−0.043 (7)	−0.015 (8)	0.009 (7)
C31	0.156 (6)	0.179 (7)	0.108 (5)	−0.087 (6)	−0.029 (4)	0.010 (4)
C32	0.106 (4)	0.160 (6)	0.087 (4)	−0.018 (4)	−0.020 (3)	−0.005 (4)
C33	0.106 (3)	0.094 (3)	0.081 (3)	−0.002 (3)	−0.011 (3)	−0.002 (2)
S1	0.0767 (6)	0.0507 (5)	0.1303 (9)	0.0011 (4)	0.0448 (6)	−0.0054 (5)
S2	0.1203 (9)	0.0640 (6)	0.1464 (11)	0.0082 (6)	0.0606 (8)	−0.0146 (7)
S3	0.0552 (6)	0.0626 (6)	0.1851 (13)	−0.0040 (4)	0.0333 (6)	−0.0255 (7)
S4	0.0607 (6)	0.0743 (6)	0.1307 (10)	−0.0039 (5)	0.0304 (6)	0.0019 (6)
S5	0.1170 (9)	0.0645 (6)	0.1114 (9)	−0.0320 (6)	−0.0304 (7)	0.0302 (6)
S6	0.1257 (9)	0.0739 (7)	0.0882 (8)	−0.0192 (6)	0.0141 (7)	0.0241 (6)

Geometric parameters (Å, º) top

C1—C2	1.389 (5)	C18—H18A	0.9700
C1—C6	1.398 (5)	C18—H18B	0.9700
C1—C7	1.520 (5)	C19—C20	1.483 (5)
C2—C3	1.393 (4)	C19—S4	1.632 (3)
C2—C10	1.499 (5)	C19—S3	1.726 (3)
C3—C4	1.398 (5)	C20—C21	1.364 (5)
C3—C8	1.512 (5)	C20—C25	1.383 (5)
C4—C5	1.396 (5)	C21—C22	1.392 (6)
C4—C18	1.516 (5)	C21—H21	0.9300
C5—C6	1.403 (5)	C22—C23	1.339 (7)
C5—C9	1.515 (5)	C22—H22	0.9300
C6—C26	1.504 (5)	C23—C24	1.342 (6)
C7—H7A	0.9600	C23—H23	0.9300
C7—H7B	0.9600	C24—C25	1.373 (6)
C7—H7C	0.9600	C24—H24	0.9300
C8—H8A	0.9600	C25—H25	0.9300
C8—H8B	0.9600	C26—S5	1.812 (4)
C8—H8C	0.9600	C26—H26A	0.9700
C9—H9A	0.9600	C26—H26B	0.9700
C9—H9B	0.9600	C27—C28	1.477 (5)
C9—H9C	0.9600	C27—S6	1.620 (3)
C10—S1	1.810 (3)	C27—S5	1.721 (4)
C10—H10A	0.9700	C28—C29	1.36 (2)
C10—H10B	0.9700	C28—C33	1.365 (5)
C11—C12	1.478 (5)	C28—C29A	1.447 (16)
C11—S2	1.631 (3)	C29—C30	1.35 (3)
C11—S1	1.718 (3)	C29—H29	0.9300
C12—C13	1.386 (5)	C30—C31	1.29 (2)
C12—C17	1.392 (5)	C30—H30	0.9300
C13—C14	1.385 (6)	C29A—C30A	1.39 (2)
C13—H13	0.9300	C29A—H29A	0.9300
C14—C15	1.364 (7)	C30A—C31	1.55 (2)
C14—H14	0.9300	C30A—H30A	0.9300
C15—C16	1.359 (7)	C31—C32	1.316 (8)
C15—H15	0.9300	C31—H31	0.9300
C16—C17	1.376 (5)	C32—C33	1.365 (7)
C16—H16	0.9300	C32—H32	0.9300
C17—H17	0.9300	C33—H33	0.9300
C18—S3	1.810 (4)

C2—C1—C6	120.0 (3)	C4—C18—H18B	109.9
C2—C1—C7	119.6 (4)	S3—C18—H18B	109.9
C6—C1—C7	120.4 (4)	H18A—C18—H18B	108.3
C1—C2—C3	120.3 (3)	C20—C19—S4	123.4 (2)
C1—C2—C10	119.1 (3)	C20—C19—S3	113.1 (2)
C3—C2—C10	120.6 (3)	S4—C19—S3	123.4 (2)
C2—C3—C4	119.5 (3)	C21—C20—C25	117.9 (3)
C2—C3—C8	119.8 (3)	C21—C20—C19	122.4 (3)
C4—C3—C8	120.7 (3)	C25—C20—C19	119.7 (3)
C5—C4—C3	120.8 (3)	C20—C21—C22	119.6 (4)
C5—C4—C18	119.9 (4)	C20—C21—H21	120.2
C3—C4—C18	119.3 (4)	C22—C21—H21	120.2
C4—C5—C6	119.0 (3)	C23—C22—C21	121.6 (5)
C4—C5—C9	120.5 (4)	C23—C22—H22	119.2
C6—C5—C9	120.5 (4)	C21—C22—H22	119.2
C1—C6—C5	120.2 (3)	C22—C23—C24	119.2 (5)
C1—C6—C26	120.5 (4)	C22—C23—H23	120.4
C5—C6—C26	119.3 (4)	C24—C23—H23	120.4
C1—C7—H7A	109.5	C23—C24—C25	120.8 (4)
C1—C7—H7B	109.5	C23—C24—H24	119.6
H7A—C7—H7B	109.5	C25—C24—H24	119.6
C1—C7—H7C	109.5	C24—C25—C20	120.8 (4)
H7A—C7—H7C	109.5	C24—C25—H25	119.6
H7B—C7—H7C	109.5	C20—C25—H25	119.6
C3—C8—H8A	109.5	C6—C26—S5	107.4 (2)
C3—C8—H8B	109.5	C6—C26—H26A	110.2
H8A—C8—H8B	109.5	S5—C26—H26A	110.2
C3—C8—H8C	109.5	C6—C26—H26B	110.2
H8A—C8—H8C	109.5	S5—C26—H26B	110.2
H8B—C8—H8C	109.5	H26A—C26—H26B	108.5
C5—C9—H9A	109.5	C28—C27—S6	124.0 (3)
C5—C9—H9B	109.5	C28—C27—S5	112.0 (2)
H9A—C9—H9B	109.5	S6—C27—S5	123.9 (2)
C5—C9—H9C	109.5	C29—C28—C33	110.1 (9)
H9A—C9—H9C	109.5	C29—C28—C29A	31.6 (8)
H9B—C9—H9C	109.5	C33—C28—C29A	120.6 (7)
C2—C10—S1	110.0 (2)	C29—C28—C27	125.4 (10)
C2—C10—H10A	109.7	C33—C28—C27	120.9 (4)
S1—C10—H10A	109.7	C29A—C28—C27	117.2 (7)
C2—C10—H10B	109.7	C30—C29—C28	125 (2)
S1—C10—H10B	109.7	C30—C29—H29	117.4
H10A—C10—H10B	108.2	C28—C29—H29	117.4
C12—C11—S2	123.6 (3)	C31—C30—C29	118.7 (19)
C12—C11—S1	111.3 (2)	C31—C30—H30	120.6
S2—C11—S1	125.1 (2)	C29—C30—H30	120.6
C13—C12—C17	118.1 (4)	C30A—C29A—C28	116.6 (13)
C13—C12—C11	119.9 (4)	C30A—C29A—H29A	121.7
C17—C12—C11	122.0 (3)	C28—C29A—H29A	121.7
C14—C13—C12	120.4 (5)	C29A—C30A—C31	117.4 (12)
C14—C13—H13	119.8	C29A—C30A—H30A	121.3
C12—C13—H13	119.8	C31—C30A—H30A	121.3
C15—C14—C13	120.2 (5)	C30—C31—C32	116.3 (10)
C15—C14—H14	119.9	C30—C31—C30A	36.5 (9)
C13—C14—H14	119.9	C32—C31—C30A	117.8 (7)
C16—C15—C14	120.3 (5)	C30—C31—H31	121.8
C16—C15—H15	119.9	C32—C31—H31	121.8
C14—C15—H15	119.9	C30A—C31—H31	108.6
C15—C16—C17	120.5 (5)	C31—C32—C33	120.9 (6)
C15—C16—H16	119.7	C31—C32—H32	119.6
C17—C16—H16	119.7	C33—C32—H32	119.6
C16—C17—C12	120.5 (4)	C32—C33—C28	121.9 (5)
C16—C17—H17	119.8	C32—C33—H33	119.1
C12—C17—H17	119.8	C28—C33—H33	119.1
C4—C18—S3	108.7 (2)	C11—S1—C10	105.19 (17)
C4—C18—H18A	109.9	C19—S3—C18	103.65 (16)
S3—C18—H18A	109.9	C27—S5—C26	103.75 (18)

C6—C1—C2—C3	3.0 (5)	C25—C20—C21—C22	0.3 (7)
C7—C1—C2—C3	−176.0 (3)	C19—C20—C21—C22	179.0 (4)
C6—C1—C2—C10	−177.1 (3)	C20—C21—C22—C23	−0.8 (9)
C7—C1—C2—C10	3.8 (4)	C21—C22—C23—C24	1.1 (9)
C1—C2—C3—C4	−4.0 (5)	C22—C23—C24—C25	−0.9 (8)
C10—C2—C3—C4	176.2 (3)	C23—C24—C25—C20	0.5 (7)
C1—C2—C3—C8	175.3 (3)	C21—C20—C25—C24	−0.1 (6)
C10—C2—C3—C8	−4.5 (5)	C19—C20—C25—C24	−178.9 (3)
C2—C3—C4—C5	4.1 (5)	C1—C6—C26—S5	83.7 (4)
C8—C3—C4—C5	−175.2 (3)	C5—C6—C26—S5	−96.6 (4)
C2—C3—C4—C18	−175.9 (3)	S6—C27—C28—C29	−174.4 (10)
C8—C3—C4—C18	4.8 (5)	S5—C27—C28—C29	9.7 (11)
C3—C4—C5—C6	−3.3 (5)	S6—C27—C28—C33	29.1 (5)
C18—C4—C5—C6	176.7 (3)	S5—C27—C28—C33	−146.9 (3)
C3—C4—C5—C9	177.0 (3)	S6—C27—C28—C29A	−138.4 (8)
C18—C4—C5—C9	−3.0 (5)	S5—C27—C28—C29A	45.7 (9)
C2—C1—C6—C5	−2.2 (5)	C33—C28—C29—C30	−14 (2)
C7—C1—C6—C5	176.8 (3)	C29A—C28—C29—C30	102 (4)
C2—C1—C6—C26	177.5 (3)	C27—C28—C29—C30	−172.5 (13)
C7—C1—C6—C26	−3.5 (5)	C28—C29—C30—C31	−8 (3)
C4—C5—C6—C1	2.4 (5)	C29—C28—C29A—C30A	−67 (3)
C9—C5—C6—C1	−177.9 (3)	C33—C28—C29A—C30A	11.2 (16)
C4—C5—C6—C26	−177.3 (3)	C27—C28—C29A—C30A	178.8 (9)
C9—C5—C6—C26	2.4 (5)	C28—C29A—C30A—C31	6.7 (18)
C1—C2—C10—S1	−90.9 (3)	C29—C30—C31—C32	26 (2)
C3—C2—C10—S1	89.0 (3)	C29—C30—C31—C30A	−76 (2)
S2—C11—C12—C13	37.9 (5)	C29A—C30A—C31—C30	75 (2)
S1—C11—C12—C13	−141.6 (3)	C29A—C30A—C31—C32	−22.0 (16)
S2—C11—C12—C17	−143.2 (3)	C30—C31—C32—C33	−22.3 (15)
S1—C11—C12—C17	37.3 (4)	C30A—C31—C32—C33	18.9 (12)
C17—C12—C13—C14	−2.0 (6)	C31—C32—C33—C28	−0.5 (9)
C11—C12—C13—C14	176.9 (4)	C29—C28—C33—C32	17.4 (12)
C12—C13—C14—C15	1.9 (7)	C29A—C28—C33—C32	−15.8 (10)
C13—C14—C15—C16	0.1 (8)	C27—C28—C33—C32	177.2 (4)
C14—C15—C16—C17	−1.8 (7)	C12—C11—S1—C10	−179.9 (3)
C15—C16—C17—C12	1.7 (6)	S2—C11—S1—C10	0.6 (3)
C13—C12—C17—C16	0.2 (6)	C2—C10—S1—C11	147.4 (3)
C11—C12—C17—C16	−178.6 (3)	C20—C19—S3—C18	−178.0 (3)
C5—C4—C18—S3	87.6 (4)	S4—C19—S3—C18	1.4 (3)
C3—C4—C18—S3	−92.3 (4)	C4—C18—S3—C19	−174.8 (3)
S4—C19—C20—C21	−148.1 (4)	C28—C27—S5—C26	171.9 (3)
S3—C19—C20—C21	31.2 (5)	S6—C27—S5—C26	−4.0 (3)
S4—C19—C20—C25	30.6 (5)	C6—C26—S5—C27	−179.7 (3)
S3—C19—C20—C25	−150.0 (3)

Experimental details

Crystal data
Chemical formula	C₃₃H₃₀S₆
M_r	618.93
Crystal system, space group	Monoclinic, P2₁/n
Temperature (K)	298
a, b, c (Å)	9.5698 (3), 21.7668 (10), 15.3823 (8)
β (°)	94.819 (2)
V (Å³)	3192.9 (2)
Z	4
Radiation type	Mo Kα
µ (mm⁻¹)	0.45
Crystal size (mm)	0.40 × 0.22 × 0.20

Data collection
Diffractometer	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 1999)
T_min, T_max	0.841, 0.915
No. of measured, independent and observed [I > 2σ(I)] reflections	23638, 7773, 3544
R_int	0.035
(sin θ/λ)_max (Å⁻¹)	0.667

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.059, 0.188, 1.01
No. of reflections	7773
No. of parameters	363
No. of restraints	1
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.68, −0.43

Computer programs: APEX2 (Bruker, 2004), APEX2 and SAINT (Bruker, 2004), SAINT-Plus and XPREP (Bruker, 2004), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), ORTEP-3 (Farrugia, 1997).

Acknowledgements

The authors acknowledge the Department of Chemistry, IIT Madras, for the X-ray data collection.

References

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Bruker (2004). APEX2, SAINT-Plus and XPREP. Bruker AXS Inc., Madison, Wisconsin, USA. Google Scholar
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