PMCCPMCCPMCC

Search tips
Search criteria 

Advanced

 
Logo of actaeInternational Union of Crystallographysearchopen accessarticle submissionjournal home pagethis article
 
Acta Crystallogr Sect E Struct Rep Online. 2008 May 1; 64(Pt 5): o880.
Published online 2008 April 23. doi:  10.1107/S1600536808010520
PMCID: PMC2961209

Bromo­triphenyl­silane

Abstract

The title compound, C18H15BrSi, crystallizes with two almost identical mol­ecules (r.m.s. deviation for all non-H atoms = 0.074 Å) in the asymmetric unit. It is isomorphous with chloro­triphenyl­silane.

Related literature

For related literature, see: Lerner et al. (2001 [triangle], 2005 [triangle], 2006 [triangle]); Lobkovskii et al. (1981 [triangle]).

An external file that holds a picture, illustration, etc.
Object name is e-64-0o880-scheme1.jpg

Experimental

Crystal data

  • C18H15BrSi
  • M r = 339.30
  • Monoclinic, An external file that holds a picture, illustration, etc.
Object name is e-64-0o880-efi1.jpg
  • a = 18.6306 (13) Å
  • b = 9.6160 (4) Å
  • c = 18.3618 (13) Å
  • β = 107.174 (5)°
  • V = 3142.9 (3) Å3
  • Z = 8
  • Mo Kα radiation
  • μ = 2.68 mm−1
  • T = 173 (2) K
  • 0.31 × 0.25 × 0.19 mm

Data collection

  • Stoe IPDSII two-circle diffractometer
  • Absorption correction: multi-scan (MULABS; Spek, 2003 [triangle]; Blessing, 1995 [triangle]) T min = 0.490, T max = 0.630
  • 47324 measured reflections
  • 6141 independent reflections
  • 4739 reflections with I > 2σ(I)
  • R int = 0.073

Refinement

  • R[F 2 > 2σ(F 2)] = 0.094
  • wR(F 2) = 0.288
  • S = 1.16
  • 6141 reflections
  • 362 parameters
  • H-atom parameters constrained
  • Δρmax = 2.34 e Å−3
  • Δρmin = −2.22 e Å−3

Data collection: X-AREA (Stoe & Cie, 2001 [triangle]); cell refinement: X-AREA; data reduction: X-AREA; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 [triangle]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 [triangle]); molecular graphics: XP in SHELXTL-Plus (Sheldrick, 2008 [triangle]); software used to prepare material for publication: PLATON (Spek, 2003 [triangle]).

Supplementary Material

Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536808010520/pv2078sup1.cif

Structure factors: contains datablocks I. DOI: 10.1107/S1600536808010520/pv2078Isup2.hkl

Additional supplementary materials: crystallographic information; 3D view; checkCIF report

supplementary crystallographic information

Comment

We report here the X-ray crystal structure analysis of Ph3SiBr. Recently we have synthesized the silanimines Me2Si=N-SitBu3 and tBu2Si=N-SiXtBu2 (X = tBu, Cl) as donor adducts (Lerner et al., 2006) (Fig. 2) and the donor-free silanimines tBu2Si=N-SiXtBu2 (X = tBu, Cl, Ph) (Lerner et al., 2001) by salt elimination reactions of Me2SiCl-NLi-SitBu3 and tBu2SiCl-NM-SiXtBu2 (X = tBu, Cl, Ph; M = Li, Na). However, at room temperature we observed a partial degradation of the donor-free silanimines tBu2Si=N-SiXtBu2 (X = tBu, Cl, Ph) with the formation of isobutene (Lerner et al., 2005). Now we are interested in preparing the phenyl substituted silanimine tBu2Si=N-SiPh3. In an attempt to synthesize the bromosilylated amine tBu2SiBr-NH-SiPh3 from tBu2SiH-NH-SiPh3 and N-bromosuccinimide we obtained Ph3SiBr as a by-product. X-ray quality crystals of this by-product were grown from a filtrated hexane solution at room temperature.

The title compound, C18H15BrSi, crystallizes with two almost identical molecules (r.m.s. deviation for all non-H atoms 0.074 Å) in the asymmetric unit. Geometric parameters are in the usual ranges (Bruno et al., 2004). It is isomorphous with chlorotriphenylsilane (Lobkovskii et al., 1981).

Experimental

A mixture of tBu2SiH-NH-SiPh3 (0.374 g, 0.90 mmol) and N-bromosuccinimide (0.262 g, 1.47 mmol) in 5 ml benzene was stirred for 24 h at room temperature. First the solvent was removed in vacuo and then the residue was extracted in hexane. X-ray quality crystals of this by-product were grown from a filtrated hexane solution at room temperature.

Refinement

H atoms were geometrically positioned and refined using a riding model with fixed individual displacement parameters [U(H) = 1.2 Ueq(C)] and with C—H = 0.95 Å. The final difference map had residual electron density which was located in the center of the phenyl ring C31-C36 and was meaningless.

Figures

Fig. 1.
Perspective view of the title compound with the atom numbering scheme; displacement ellipsoids are at the 50% probability level; H atoms are drawn as small spheres of arbitrary radii.
Fig. 2.
Reaction scheme.

Crystal data

C18H15BrSiF000 = 1376
Mr = 339.30Dx = 1.434 Mg m3
Monoclinic, P21/cMo Kα radiation λ = 0.71073 Å
Hall symbol: -P 2ybcCell parameters from 32075 reflections
a = 18.6306 (13) Åθ = 2.4–26.3º
b = 9.6160 (4) ŵ = 2.68 mm1
c = 18.3618 (13) ÅT = 173 (2) K
β = 107.174 (5)ºBlock, colourless
V = 3142.9 (3) Å30.31 × 0.25 × 0.19 mm
Z = 8

Data collection

Stoe IPDSII two-circle diffractometer6141 independent reflections
Radiation source: fine-focus sealed tube4739 reflections with I > 2σ(I)
Monochromator: graphiteRint = 0.073
T = 173(2) Kθmax = 26.1º
ω scansθmin = 2.3º
Absorption correction: multi-scan(MULABS; Spek, 2003; Blessing, 1995)h = −22→21
Tmin = 0.491, Tmax = 0.630k = 0→11
47324 measured reflectionsl = 0→22

Refinement

Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.094H-atom parameters constrained
wR(F2) = 0.288  w = 1/[σ2(Fo2) + (0.2P)2] where P = (Fo2 + 2Fc2)/3
S = 1.16(Δ/σ)max < 0.001
6141 reflectionsΔρmax = 2.34 e Å3
362 parametersΔρmin = −2.22 e Å3
Primary atom site location: structure-invariant direct methodsExtinction correction: none

Special details

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.
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)

xyzUiso*/Ueq
Br10.40043 (4)0.50324 (9)0.36669 (5)0.0513 (3)
Si10.44440 (9)0.32247 (18)0.31491 (10)0.0287 (4)
C10.4064 (3)0.3378 (6)0.2089 (4)0.0297 (12)
C20.3696 (4)0.4572 (7)0.1712 (4)0.0384 (15)
H20.36340.53540.20030.046*
C30.3425 (4)0.4625 (9)0.0928 (5)0.0472 (18)
H30.31730.54360.06850.057*
C40.3518 (5)0.3503 (9)0.0492 (4)0.051 (2)
H40.33320.3542−0.00480.061*
C50.3888 (5)0.2303 (9)0.0855 (4)0.053 (2)
H50.39630.15340.05600.064*
C60.4143 (4)0.2251 (8)0.1642 (4)0.0425 (16)
H60.43780.14270.18840.051*
C70.5489 (3)0.3357 (6)0.3495 (4)0.0304 (13)
C80.5925 (3)0.3310 (7)0.2984 (4)0.0314 (13)
H80.56890.32170.24520.038*
C90.6711 (4)0.3402 (8)0.3269 (4)0.0421 (16)
H90.70040.33670.29240.051*
C100.7064 (4)0.3543 (8)0.4039 (4)0.0426 (16)
H100.75960.36060.42250.051*
C110.6628 (4)0.3593 (8)0.4542 (4)0.0402 (15)
H110.68670.36950.50730.048*
C120.5858 (4)0.3494 (8)0.4276 (4)0.0370 (15)
H120.55730.35190.46270.044*
C130.4096 (3)0.1588 (7)0.3471 (4)0.0312 (13)
C140.3318 (3)0.1342 (7)0.3281 (4)0.0327 (13)
H140.29770.20320.30120.039*
C150.3040 (4)0.0106 (9)0.3482 (4)0.0431 (17)
H150.2513−0.00480.33470.052*
C160.3533 (4)−0.0902 (7)0.3881 (4)0.0382 (15)
H160.3354−0.17540.40240.046*
C170.4277 (5)−0.0635 (8)0.4059 (4)0.0456 (18)
H170.4614−0.13310.43270.055*
C180.4574 (4)0.0556 (7)0.3882 (4)0.0355 (14)
H180.51030.06890.40360.043*
Br20.09145 (4)−0.23720 (9)0.11290 (5)0.0511 (3)
Si20.05044 (9)−0.06392 (18)0.17217 (10)0.0290 (4)
C19−0.0543 (3)−0.0792 (6)0.1436 (4)0.0301 (12)
C20−0.0925 (3)−0.0806 (7)0.1995 (3)0.0310 (13)
H20−0.0650−0.07290.25190.037*
C21−0.1708 (4)−0.0932 (8)0.1780 (4)0.0419 (16)
H21−0.1963−0.09210.21580.050*
C22−0.2112 (4)−0.1073 (7)0.1022 (4)0.0375 (14)
H22−0.2643−0.11690.08790.045*
C23−0.1737 (4)−0.1074 (8)0.0466 (4)0.0404 (15)
H23−0.2014−0.1183−0.00560.048*
C24−0.0975 (4)−0.0918 (8)0.0668 (4)0.0377 (15)
H24−0.0731−0.08940.02810.045*
C250.0929 (3)−0.0861 (6)0.2773 (4)0.0291 (12)
C260.0895 (4)0.0262 (7)0.3249 (4)0.0371 (14)
H260.06620.11060.30320.044*
C270.1195 (5)0.0154 (9)0.4025 (4)0.0481 (18)
H270.11690.09240.43410.058*
C280.1542 (4)−0.1087 (9)0.4358 (4)0.0438 (17)
H280.1747−0.11630.48960.053*
C290.1577 (4)−0.2189 (8)0.3892 (4)0.0414 (16)
H290.1812−0.30280.41130.050*
C300.1278 (4)−0.2103 (7)0.3101 (4)0.0373 (14)
H300.1309−0.28730.27880.045*
C310.0848 (3)0.1019 (7)0.1422 (3)0.0315 (13)
C320.1619 (4)0.1250 (8)0.1564 (4)0.0355 (14)
H320.19620.05300.17910.043*
C330.1895 (4)0.2494 (9)0.1384 (4)0.0460 (17)
H330.24210.26120.14820.055*
C340.1420 (4)0.3557 (8)0.1065 (4)0.0428 (16)
H340.16170.44140.09520.051*
C350.0630 (4)0.3379 (8)0.0904 (4)0.0444 (17)
H350.02910.41060.06800.053*
C360.0370 (4)0.2111 (7)0.1083 (4)0.0360 (14)
H36−0.01560.19780.09690.043*

Atomic displacement parameters (Å2)

U11U22U33U12U13U23
Br10.0467 (5)0.0495 (5)0.0644 (5)−0.0007 (3)0.0268 (4)−0.0178 (4)
Si10.0234 (8)0.0314 (9)0.0324 (8)−0.0019 (6)0.0098 (6)−0.0012 (7)
C10.020 (3)0.028 (3)0.041 (3)−0.003 (2)0.009 (2)0.001 (3)
C20.028 (3)0.035 (3)0.051 (4)0.000 (3)0.010 (3)0.009 (3)
C30.034 (4)0.049 (4)0.052 (4)−0.006 (3)0.004 (3)0.017 (3)
C40.054 (4)0.061 (5)0.029 (3)−0.020 (4)−0.001 (3)0.014 (3)
C50.073 (6)0.051 (5)0.034 (4)−0.015 (4)0.013 (4)−0.009 (3)
C60.051 (4)0.035 (4)0.041 (4)0.001 (3)0.013 (3)0.004 (3)
C70.022 (3)0.032 (3)0.036 (3)−0.002 (2)0.007 (2)0.002 (2)
C80.027 (3)0.034 (3)0.035 (3)−0.004 (2)0.012 (2)0.002 (3)
C90.033 (3)0.050 (4)0.051 (4)0.000 (3)0.023 (3)0.008 (3)
C100.029 (3)0.049 (4)0.049 (4)−0.006 (3)0.010 (3)0.001 (3)
C110.033 (3)0.044 (4)0.038 (3)−0.003 (3)0.002 (3)0.002 (3)
C120.030 (3)0.049 (4)0.033 (3)−0.008 (3)0.011 (3)−0.004 (3)
C130.029 (3)0.032 (3)0.033 (3)−0.004 (2)0.010 (2)0.004 (2)
C140.026 (3)0.039 (3)0.033 (3)−0.002 (3)0.008 (2)0.004 (3)
C150.030 (3)0.061 (5)0.040 (4)−0.011 (3)0.012 (3)0.004 (3)
C160.047 (4)0.029 (3)0.045 (4)−0.005 (3)0.024 (3)0.005 (3)
C170.053 (4)0.050 (4)0.046 (4)−0.024 (4)0.033 (3)−0.018 (3)
C180.026 (3)0.041 (4)0.041 (3)0.003 (3)0.013 (3)0.003 (3)
Br20.0459 (5)0.0498 (5)0.0634 (5)0.0038 (3)0.0250 (4)−0.0172 (4)
Si20.0226 (8)0.0325 (9)0.0340 (8)0.0000 (6)0.0120 (6)−0.0026 (7)
C190.027 (3)0.031 (3)0.034 (3)−0.001 (2)0.013 (2)0.000 (2)
C200.027 (3)0.039 (3)0.027 (3)−0.001 (2)0.009 (2)0.003 (2)
C210.032 (3)0.057 (4)0.041 (4)−0.002 (3)0.017 (3)0.007 (3)
C220.029 (3)0.037 (4)0.047 (4)−0.002 (3)0.012 (3)0.000 (3)
C230.037 (3)0.051 (4)0.032 (3)0.002 (3)0.008 (3)−0.005 (3)
C240.038 (3)0.045 (4)0.034 (3)0.003 (3)0.017 (3)−0.006 (3)
C250.019 (3)0.026 (3)0.043 (3)0.000 (2)0.010 (2)0.005 (2)
C260.043 (4)0.031 (3)0.037 (3)0.005 (3)0.011 (3)0.006 (3)
C270.055 (5)0.050 (4)0.039 (4)−0.013 (4)0.014 (3)0.002 (3)
C280.037 (4)0.056 (4)0.034 (3)−0.011 (3)0.003 (3)0.012 (3)
C290.033 (3)0.040 (4)0.046 (4)−0.004 (3)0.005 (3)0.013 (3)
C300.031 (3)0.033 (3)0.047 (4)0.000 (3)0.010 (3)0.004 (3)
C310.025 (3)0.040 (3)0.031 (3)−0.003 (3)0.011 (2)−0.002 (3)
C320.030 (3)0.047 (4)0.033 (3)−0.005 (3)0.013 (2)−0.001 (3)
C330.042 (4)0.059 (5)0.038 (4)−0.015 (3)0.014 (3)0.005 (3)
C340.051 (4)0.043 (4)0.041 (4)−0.007 (3)0.023 (3)0.005 (3)
C350.050 (4)0.039 (4)0.048 (4)0.014 (3)0.020 (3)0.014 (3)
C360.036 (3)0.037 (3)0.039 (3)0.001 (3)0.019 (3)0.001 (3)

Geometric parameters (Å, °)

Br1—Si12.2486 (18)Br2—Si22.2440 (18)
Si1—C131.863 (6)Si2—C311.861 (7)
Si1—C71.865 (6)Si2—C251.870 (7)
Si1—C11.870 (7)Si2—C191.870 (6)
C1—C61.393 (10)C19—C241.407 (9)
C1—C21.409 (9)C19—C201.412 (8)
C2—C31.379 (11)C20—C211.399 (9)
C2—H20.9500C20—H200.9500
C3—C41.384 (13)C21—C221.379 (10)
C3—H30.9500C21—H210.9500
C4—C51.406 (12)C22—C231.398 (10)
C4—H40.9500C22—H220.9500
C5—C61.383 (11)C23—C241.365 (10)
C5—H50.9500C23—H230.9500
C6—H60.9500C24—H240.9500
C7—C121.403 (9)C25—C261.401 (9)
C7—C81.412 (9)C25—C301.408 (9)
C8—C91.404 (9)C26—C271.373 (10)
C8—H80.9500C26—H260.9500
C9—C101.379 (11)C27—C281.408 (11)
C9—H90.9500C27—H270.9500
C10—C111.400 (10)C28—C291.376 (12)
C10—H100.9500C28—H280.9500
C11—C121.376 (9)C29—C301.395 (10)
C11—H110.9500C29—H290.9500
C12—H120.9500C30—H300.9500
C13—C181.397 (9)C31—C361.398 (9)
C13—C141.407 (8)C31—C321.401 (9)
C14—C151.389 (10)C32—C331.380 (10)
C14—H140.9500C32—H320.9500
C15—C161.387 (10)C33—C341.365 (11)
C15—H150.9500C33—H330.9500
C16—C171.351 (10)C34—C351.424 (11)
C16—H160.9500C34—H340.9500
C17—C181.353 (10)C35—C361.387 (10)
C17—H170.9500C35—H350.9500
C18—H180.9500C36—H360.9500
C13—Si1—C7112.1 (3)C31—Si2—C25109.0 (3)
C13—Si1—C1109.7 (3)C31—Si2—C19113.9 (3)
C7—Si1—C1112.6 (3)C25—Si2—C19111.6 (3)
C13—Si1—Br1108.3 (2)C31—Si2—Br2107.3 (2)
C7—Si1—Br1106.1 (2)C25—Si2—Br2108.4 (2)
C1—Si1—Br1107.8 (2)C19—Si2—Br2106.3 (2)
C6—C1—C2117.7 (6)C24—C19—C20117.7 (6)
C6—C1—Si1118.6 (5)C24—C19—Si2122.0 (5)
C2—C1—Si1123.7 (5)C20—C19—Si2120.3 (5)
C3—C2—C1121.2 (7)C21—C20—C19120.2 (6)
C3—C2—H2119.4C21—C20—H20119.9
C1—C2—H2119.4C19—C20—H20119.9
C2—C3—C4120.3 (7)C22—C21—C20120.4 (6)
C2—C3—H3119.8C22—C21—H21119.8
C4—C3—H3119.8C20—C21—H21119.8
C3—C4—C5119.6 (7)C21—C22—C23119.7 (6)
C3—C4—H4120.2C21—C22—H22120.2
C5—C4—H4120.2C23—C22—H22120.2
C6—C5—C4119.6 (8)C24—C23—C22120.4 (6)
C6—C5—H5120.2C24—C23—H23119.8
C4—C5—H5120.2C22—C23—H23119.8
C5—C6—C1121.6 (7)C23—C24—C19121.6 (6)
C5—C6—H6119.2C23—C24—H24119.2
C1—C6—H6119.2C19—C24—H24119.2
C12—C7—C8118.5 (5)C26—C25—C30119.1 (6)
C12—C7—Si1120.2 (5)C26—C25—Si2118.2 (5)
C8—C7—Si1121.4 (5)C30—C25—Si2122.6 (5)
C7—C8—C9119.5 (6)C27—C26—C25120.6 (7)
C7—C8—H8120.2C27—C26—H26119.7
C9—C8—H8120.2C25—C26—H26119.7
C10—C9—C8121.2 (6)C26—C27—C28120.6 (7)
C10—C9—H9119.4C26—C27—H27119.7
C8—C9—H9119.4C28—C27—H27119.7
C9—C10—C11119.1 (6)C29—C28—C27118.8 (7)
C9—C10—H10120.5C29—C28—H28120.6
C11—C10—H10120.5C27—C28—H28120.6
C12—C11—C10120.8 (6)C28—C29—C30121.6 (7)
C12—C11—H11119.6C28—C29—H29119.2
C10—C11—H11119.6C30—C29—H29119.2
C11—C12—C7121.0 (6)C29—C30—C25119.2 (7)
C11—C12—H12119.5C29—C30—H30120.4
C7—C12—H12119.5C25—C30—H30120.4
C18—C13—C14117.4 (6)C36—C31—C32116.5 (6)
C18—C13—Si1123.0 (5)C36—C31—Si2123.1 (5)
C14—C13—Si1119.5 (5)C32—C31—Si2120.3 (5)
C15—C14—C13121.1 (6)C33—C32—C31121.8 (7)
C15—C14—H14119.5C33—C32—H32119.1
C13—C14—H14119.5C31—C32—H32119.1
C14—C15—C16119.8 (6)C34—C33—C32120.8 (7)
C14—C15—H15120.1C34—C33—H33119.6
C16—C15—H15120.1C32—C33—H33119.6
C17—C16—C15117.9 (7)C33—C34—C35119.9 (7)
C17—C16—H16121.1C33—C34—H34120.0
C15—C16—H16121.1C35—C34—H34120.0
C16—C17—C18124.5 (8)C36—C35—C34117.9 (6)
C16—C17—H17117.7C36—C35—H35121.1
C18—C17—H17117.7C34—C35—H35121.1
C17—C18—C13119.3 (7)C35—C36—C31123.1 (6)
C17—C18—H18120.3C35—C36—H36118.5
C13—C18—H18120.3C31—C36—H36118.5
C13—Si1—C1—C6−50.7 (6)C31—Si2—C19—C2467.8 (6)
C7—Si1—C1—C674.9 (6)C25—Si2—C19—C24−168.1 (5)
Br1—Si1—C1—C6−168.4 (5)Br2—Si2—C19—C24−50.1 (6)
C13—Si1—C1—C2129.0 (5)C31—Si2—C19—C20−113.1 (5)
C7—Si1—C1—C2−105.5 (5)C25—Si2—C19—C2010.9 (6)
Br1—Si1—C1—C211.2 (6)Br2—Si2—C19—C20129.0 (5)
C6—C1—C2—C3−0.1 (10)C24—C19—C20—C21−0.4 (10)
Si1—C1—C2—C3−179.8 (5)Si2—C19—C20—C21−179.5 (5)
C1—C2—C3—C4−0.8 (11)C19—C20—C21—C221.3 (11)
C2—C3—C4—C50.2 (12)C20—C21—C22—C23−0.7 (11)
C3—C4—C5—C61.2 (13)C21—C22—C23—C24−0.9 (11)
C4—C5—C6—C1−2.1 (13)C22—C23—C24—C191.8 (12)
C2—C1—C6—C51.6 (11)C20—C19—C24—C23−1.2 (10)
Si1—C1—C6—C5−178.8 (7)Si2—C19—C24—C23177.9 (6)
C13—Si1—C7—C12−66.3 (6)C31—Si2—C25—C2649.0 (6)
C1—Si1—C7—C12169.5 (5)C19—Si2—C25—C26−77.8 (5)
Br1—Si1—C7—C1251.8 (6)Br2—Si2—C25—C26165.4 (4)
C13—Si1—C7—C8113.1 (5)C31—Si2—C25—C30−131.0 (5)
C1—Si1—C7—C8−11.1 (6)C19—Si2—C25—C30102.3 (5)
Br1—Si1—C7—C8−128.9 (5)Br2—Si2—C25—C30−14.5 (6)
C12—C7—C8—C9−0.1 (10)C30—C25—C26—C27−0.3 (10)
Si1—C7—C8—C9−179.5 (5)Si2—C25—C26—C27179.8 (6)
C7—C8—C9—C10−0.2 (11)C25—C26—C27—C28−0.1 (11)
C8—C9—C10—C110.1 (12)C26—C27—C28—C290.3 (11)
C9—C10—C11—C120.4 (12)C27—C28—C29—C30−0.2 (11)
C10—C11—C12—C7−0.7 (12)C28—C29—C30—C25−0.2 (10)
C8—C7—C12—C110.6 (10)C26—C25—C30—C290.4 (9)
Si1—C7—C12—C11180.0 (6)Si2—C25—C30—C29−179.6 (5)
C7—Si1—C13—C18−3.8 (7)C25—Si2—C31—C36−119.2 (5)
C1—Si1—C13—C18122.1 (6)C19—Si2—C31—C366.2 (7)
Br1—Si1—C13—C18−120.5 (5)Br2—Si2—C31—C36123.6 (5)
C7—Si1—C13—C14177.9 (5)C25—Si2—C31—C3257.7 (6)
C1—Si1—C13—C14−56.2 (6)C19—Si2—C31—C32−176.9 (5)
Br1—Si1—C13—C1461.2 (5)Br2—Si2—C31—C32−59.4 (5)
C18—C13—C14—C15−1.3 (10)C36—C31—C32—C330.5 (10)
Si1—C13—C14—C15177.1 (5)Si2—C31—C32—C33−176.7 (5)
C13—C14—C15—C160.5 (10)C31—C32—C33—C340.7 (11)
C14—C15—C16—C17−0.1 (10)C32—C33—C34—C35−1.1 (11)
C15—C16—C17—C180.7 (11)C33—C34—C35—C360.2 (11)
C16—C17—C18—C13−1.6 (11)C34—C35—C36—C311.0 (11)
C14—C13—C18—C171.9 (10)C32—C31—C36—C35−1.3 (10)
Si1—C13—C18—C17−176.5 (5)Si2—C31—C36—C35175.8 (6)

Footnotes

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: PV2078).

References

  • Blessing, R. H. (1995). Acta Cryst. A51, 33–38. [PubMed]
  • Lerner, H.-W., Bolte, M., Schurz, K., Wiberg, N., Baum, G., Fenske, D., Bats, J. W. & Wagner, M. (2006). Eur. J. Inorg. Chem. pp. 4998–5005.
  • Lerner, H.-W., Scholz, S. & Bolte, M. (2001). Z. Anorg. Allg. Chem.627, 1638–1642.
  • Lerner, H.-W., Wiberg, N. & Bats, J. W. (2005). J. Organomet. Chem.690, 3898–3907.
  • Lobkovskii, E. B., Fokin, V. N. & Semenenko, K. N. (1981). Zh. Strukt. Khim.22, 152–155.
  • Sheldrick, G. M. (2008). Acta Cryst. A64, 112–122. [PubMed]
  • Spek, A. L. (2003). J. Appl. Cryst.36, 7–13.
  • Stoe & Cie (2001). X-AREA Stoe & Cie, Darmstadt, Germany.

Articles from Acta Crystallographica Section E: Structure Reports Online are provided here courtesy of International Union of Crystallography