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Acta Cryst. (2007). E63, m1758    [ doi:10.1107/S1600536807024543 ]

[mu]-Fumarato-[kappa]2O:O'-bis[tris(2-methyl-2-phenylpropyl)tin(IV)]

X.-C. Liu, L. Yin, Y.-X. Sun and L.-J. Tian

Abstract top

In the centrosymmetric title compound, [Sn2(C10H13)6(C4H2O4)], the Sn atom adopts a distorted tetrahedral SnC3O geometry, with a mean Sn-C distance of 2.143 (3) Å and with Sn-O = 2.070 (2) Å. A short Sn...O contact of 3.072 (4) Å is also present.

Comment top

The structural chemistry of organotin carboxylates continues to receive attention owing to their biological properties, especially their antitumour activities (Chandrasekhar et al., 2002; Gielen et al., 2005). Recently, we have reported several tris(2-methyl-2-phenylpropyl)tin carboxylates, such as bis[tris(2-methyl-2-phenylpropyl)tin(IV)] 3,4,5,6-tetrafluorophthalate (Tian et al., 2004), bis[tris(2-methyl-2-phenylpropyl)tin(IV)] phthalate (Tian, Sun, Yang & Ng, 2005), tris(2-methyl-2-phenylpropyl)tin pyridine-3-carboxylate (Tian, Sun, Yang & Yang, 2005) and tris(2-methyl-2-phenylpropyl)tin 2-phthalimidoacetate (Tian et al., 2006), which all possess a distorted tetrahedral geometry. In the title compound, (I), tetrahedral coordination is also observed (Fig. 1 & Table 1). The Sn···O2 separation of 3.072 (4)Å indicates there is a weak interaction between these atoms, which distorts the tetrahedral geometry. The three Sn—C distances are almost identical. The Sn—O bond length in (I) is similar to that found in the carboxylate structures mentioned above.

Related literature top

For related structures, see: Tian et al. (2004, 2006); Tian, Sun, Yang & Ng (2005); Tian, Sun, Yang & Yang (2005).

For related literature, see: Chandrasekhar et al. (2002); Gielen et al. (2005).

Experimental top

Bis[tris(2-methyl-2-phenylpropyl)tin] oxide (1.05 g, 1 mmol) and fumaric acid (0.12 g, 1 mmol) in toluene (50 ml) were refluxed for 3 h with azeotropic removal of water via a Dean-Stark trap. The resulting clear solution was evaporated under reduced pressure. The white solid obtained was purified by recrystallization from methanol, and crystals of (I) were obtained from a chloroform-hexane (1:1, v/v) solution by slow evaporation at 298 K (yield 83%, m.p. 422–423 K). Analysis, found: C 66.56, H 6.89%; calculated for C64H80O4Sn2: C 66.80, H 7.01%.

Refinement top

The H atoms were placed at calculated positions (C—H = 0.93–0.97 Å) and refined as riding with Uiso(H) = 1.2Ueq(C) or 1.5Ueq(methyl C).

Computing details top

Data collection: SMART (Bruker, 2002); cell refinement: SAINT (Bruker, 2002); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXL97.

Figures top
[Figure 1] Fig. 1. The structure of (I), with displacement ellipsoids drawn at the 30% probability level. H atoms have been omitted for clarity.
µ-Fumarato-κ2O,O'-bis[tris(2-methyl-2-phenylpropyl)tin(IV)] top
Crystal data top
[Sn2(C10H13)6(C4H2O4)]F(000) = 1192
Mr = 1150.66Dx = 1.294 Mg m−3
Monoclinic, P21/nMo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ynCell parameters from 4827 reflections
a = 9.6017 (9) Åθ = 2.5–22.3°
b = 18.6352 (18) ŵ = 0.89 mm−1
c = 16.5097 (16) ÅT = 295 K
β = 91.985 (1)°Prism, colourless
V = 2952.3 (5) Å30.22 × 0.10 × 0.08 mm
Z = 2
Data collection top
Bruker SMART APEX CCD area-detector
diffractometer		6102 independent reflections
Radiation source: fine-focus sealed tube4565 reflections with I > 2σ(I)
graphiteRint = 0.048
φ and ω scansθmax = 26.5°, θmin = 1.7°
Absorption correction: multi-scan
(SADABS; Bruker, 2002)		h = −12→12
Tmin = 0.828, Tmax = 0.932k = −23→22
23553 measured reflectionsl = −20→20
Refinement top
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.039Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.101H-atom parameters constrained
S = 1.03 w = 1/[σ2(Fo2) + (0.0466P)2 + 0.84P]
where P = (Fo2 + 2Fc2)/3
6102 reflections(Δ/σ)max = 0.002
286 parametersΔρmax = 0.67 e Å−3
0 restraintsΔρmin = −0.40 e Å−3
Crystal data top
[Sn2(C10H13)6(C4H2O4)]V = 2952.3 (5) Å3
Mr = 1150.66Z = 2
Monoclinic, P21/nMo Kα radiation
a = 9.6017 (9) ŵ = 0.89 mm−1
b = 18.6352 (18) ÅT = 295 K
c = 16.5097 (16) Å0.22 × 0.10 × 0.08 mm
β = 91.985 (1)°
Data collection top
Bruker SMART APEX CCD area-detector
diffractometer		6102 independent reflections
Absorption correction: multi-scan
(SADABS; Bruker, 2002)		4565 reflections with I > 2σ(I)
Tmin = 0.828, Tmax = 0.932Rint = 0.048
23553 measured reflectionsθmax = 26.5°
Refinement top
R[F2 > 2σ(F2)] = 0.039H-atom parameters constrained
wR(F2) = 0.101Δρmax = 0.67 e Å−3
S = 1.03Δρmin = −0.40 e Å−3
6102 reflectionsAbsolute structure: ?
286 parametersFlack parameter: ?
0 restraintsRogers parameter: ?
Special details top

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) top
xyzUiso*/Ueq
Sn10.26662 (2)0.875316 (12)0.183016 (13)0.03679 (9)
O10.1351 (3)0.93708 (15)0.10958 (16)0.0591 (7)
O20.1864 (5)0.87575 (19)0.0013 (2)0.1071 (14)
C10.1220 (5)0.9236 (2)0.0345 (3)0.0626 (11)
C20.0287 (4)0.9720 (2)−0.0139 (2)0.0552 (10)
H20.01100.9606−0.06810.066*
C30.4650 (4)0.89136 (19)0.1303 (2)0.0457 (9)
H3A0.51900.84770.13780.055*
H3B0.44960.89810.07250.055*
C40.5541 (4)0.9550 (2)0.1633 (2)0.0474 (9)
C50.4787 (5)1.0247 (2)0.1402 (3)0.0760 (14)
H5A0.39321.02760.16850.114*
H5B0.45871.02530.08280.114*
H5C0.53691.06480.15480.114*
C60.6948 (4)0.9532 (3)0.1223 (3)0.0793 (14)
H6A0.75150.99240.14190.119*
H6B0.68000.95750.06470.119*
H6C0.74100.90860.13460.119*
C70.5821 (3)0.94903 (13)0.25515 (11)0.0463 (9)
C80.6025 (3)1.01064 (11)0.30152 (17)0.0678 (12)
H80.59891.05550.27690.081*
C90.6283 (3)1.00515 (16)0.38465 (16)0.0858 (16)
H90.64201.04640.41570.103*
C100.6338 (3)0.9381 (2)0.42142 (11)0.0814 (15)
H100.65110.93440.47700.098*
C110.6134 (3)0.87645 (15)0.37504 (16)0.0726 (13)
H110.61710.83160.39960.087*
C120.5876 (3)0.88194 (11)0.29191 (16)0.0578 (10)
H120.57400.84070.26090.069*
C130.1789 (4)0.7698 (2)0.1786 (2)0.0561 (10)
H13A0.15440.75710.23330.067*
H13B0.09240.77250.14650.067*
C140.2641 (5)0.7068 (2)0.1450 (2)0.0586 (11)
C150.2827 (5)0.7185 (2)0.0543 (2)0.0705 (13)
H15A0.32960.76330.04610.106*
H15B0.19300.71950.02680.106*
H15C0.33710.68000.03320.106*
C160.1767 (7)0.6383 (2)0.1551 (4)0.0941 (18)
H16A0.22460.59820.13250.141*
H16B0.08780.64410.12750.141*
H16C0.16320.62990.21170.141*
C170.4028 (3)0.69769 (16)0.19162 (18)0.0671 (12)
C180.4029 (4)0.69271 (18)0.27563 (19)0.0906 (17)
H180.31960.69610.30250.109*
C190.5275 (6)0.6826 (2)0.31953 (18)0.128 (3)
H190.52760.67930.37570.154*
C200.6521 (4)0.6776 (2)0.2794 (3)0.143 (3)
H200.73540.67080.30880.172*
C210.6520 (3)0.6825 (2)0.1954 (3)0.134 (3)
H210.73530.67910.16860.161*
C220.5274 (4)0.69260 (18)0.15152 (19)0.0906 (16)
H220.52730.69590.09530.109*
C230.2213 (4)0.9367 (2)0.2888 (2)0.0487 (9)
H23A0.30470.93740.32370.058*
H23B0.20330.98570.27180.058*
C240.0987 (4)0.9124 (2)0.3405 (2)0.0580 (11)
C250.0768 (5)0.9691 (3)0.4075 (3)0.0903 (17)
H25A0.00430.95330.44190.135*
H25B0.05071.01400.38290.135*
H25C0.16180.97510.43910.135*
C26−0.0320 (4)0.9098 (3)0.2859 (3)0.0937 (17)
H26A−0.02360.87180.24710.141*
H26B−0.04330.95470.25800.141*
H26C−0.11160.90110.31820.141*
C270.1309 (4)0.84148 (16)0.38337 (18)0.0645 (12)
C280.2573 (3)0.8341 (2)0.4262 (2)0.0865 (15)
H280.32130.87150.42720.104*
C290.2879 (5)0.7707 (3)0.4675 (2)0.137 (3)
H290.37240.76570.49620.165*
C300.1921 (7)0.71473 (19)0.4660 (3)0.161 (4)
H300.21260.67230.49360.193*
C310.0657 (6)0.72215 (18)0.4231 (3)0.147 (4)
H310.00160.68470.42210.177*
C320.0351 (4)0.7855 (2)0.3818 (2)0.099 (2)
H32−0.04940.79050.35320.119*
Atomic displacement parameters (Å2) top
U11U22U33U12U13U23
Sn10.04145 (15)0.03912 (14)0.02958 (13)0.00480 (10)−0.00185 (9)−0.00045 (10)
O10.0569 (16)0.0752 (19)0.0443 (16)0.0170 (14)−0.0124 (13)0.0083 (14)
O20.154 (4)0.100 (3)0.065 (2)0.063 (3)−0.035 (2)−0.0122 (19)
C10.070 (3)0.064 (3)0.053 (3)0.012 (2)−0.013 (2)0.002 (2)
C20.059 (3)0.064 (3)0.042 (2)0.005 (2)−0.0093 (18)0.0083 (19)
C30.044 (2)0.053 (2)0.041 (2)0.0044 (16)0.0028 (16)−0.0011 (16)
C40.053 (2)0.052 (2)0.038 (2)−0.0074 (18)−0.0001 (17)0.0064 (16)
C50.107 (4)0.056 (3)0.063 (3)−0.010 (3)−0.025 (3)0.019 (2)
C60.063 (3)0.122 (4)0.054 (3)−0.029 (3)0.012 (2)0.003 (3)
C70.0359 (19)0.059 (2)0.045 (2)−0.0005 (17)0.0035 (16)0.0058 (17)
C80.083 (3)0.061 (3)0.059 (3)0.001 (2)−0.006 (2)−0.004 (2)
C90.103 (4)0.100 (4)0.052 (3)0.014 (3)−0.015 (3)−0.019 (3)
C100.066 (3)0.137 (5)0.040 (2)0.005 (3)−0.007 (2)0.009 (3)
C110.060 (3)0.099 (4)0.058 (3)−0.006 (3)−0.011 (2)0.031 (3)
C120.050 (2)0.066 (3)0.057 (2)−0.005 (2)−0.0041 (19)0.014 (2)
C130.066 (3)0.050 (2)0.052 (2)−0.012 (2)0.010 (2)−0.0066 (18)
C140.093 (3)0.039 (2)0.045 (2)−0.002 (2)0.012 (2)−0.0017 (17)
C150.102 (4)0.062 (3)0.047 (2)0.008 (3)0.003 (2)−0.013 (2)
C160.139 (5)0.048 (3)0.096 (4)−0.025 (3)0.012 (4)−0.007 (3)
C170.107 (4)0.038 (2)0.056 (3)0.013 (2)0.005 (3)−0.0013 (19)
C180.138 (5)0.077 (3)0.056 (3)0.012 (3)−0.007 (3)0.015 (3)
C190.197 (8)0.087 (4)0.096 (5)0.025 (5)−0.053 (5)0.010 (4)
C200.156 (7)0.100 (5)0.169 (8)0.060 (5)−0.077 (6)−0.004 (5)
C210.128 (6)0.117 (6)0.156 (7)0.054 (5)−0.019 (5)−0.007 (5)
C220.104 (4)0.080 (4)0.087 (4)0.037 (3)−0.004 (3)0.002 (3)
C230.054 (2)0.053 (2)0.039 (2)0.0036 (18)0.0033 (17)−0.0132 (17)
C240.045 (2)0.078 (3)0.052 (2)−0.002 (2)0.0084 (18)−0.026 (2)
C250.099 (4)0.098 (4)0.076 (3)0.007 (3)0.029 (3)−0.042 (3)
C260.040 (2)0.154 (5)0.087 (4)0.010 (3)0.007 (2)−0.030 (4)
C270.073 (3)0.075 (3)0.047 (2)−0.021 (3)0.031 (2)−0.017 (2)
C280.093 (4)0.098 (4)0.069 (3)0.007 (3)0.016 (3)0.021 (3)
C290.183 (8)0.148 (7)0.083 (4)0.035 (6)0.038 (5)0.043 (5)
C300.288 (13)0.109 (6)0.091 (5)0.019 (7)0.092 (7)0.033 (5)
C310.238 (11)0.104 (6)0.106 (6)−0.060 (6)0.099 (7)−0.021 (5)
C320.122 (5)0.104 (4)0.075 (4)−0.042 (4)0.055 (3)−0.025 (3)
Geometric parameters (Å, °) top
Sn1—O12.070 (2)C15—H15B0.9600
Sn1—C132.140 (4)C15—H15C0.9600
Sn1—C32.142 (4)C16—H16A0.9600
Sn1—C232.145 (3)C16—H16B0.9600
O1—C11.267 (5)C16—H16C0.9600
O2—C11.225 (5)C17—C181.3900
C1—C21.485 (5)C17—C221.3900
C2—C2i1.273 (7)C18—C191.3900
C2—H20.9300C18—H180.9300
C3—C41.549 (5)C19—C201.3900
C3—H3A0.9700C19—H190.9300
C3—H3B0.9700C20—C211.3900
C4—C51.529 (5)C20—H200.9300
C4—C61.532 (5)C21—C221.3900
C4—C71.535 (4)C21—H210.9300
C5—H5A0.9600C22—H220.9300
C5—H5B0.9600C23—C241.545 (5)
C5—H5C0.9600C23—H23A0.9700
C6—H6A0.9600C23—H23B0.9700
C6—H6B0.9600C24—C261.521 (6)
C6—H6C0.9600C24—C271.526 (5)
C7—C81.3900C24—C251.548 (5)
C7—C121.3900C25—H25A0.9600
C8—C91.3900C25—H25B0.9600
C8—H80.9300C25—H25C0.9600
C9—C101.3900C26—H26A0.9600
C9—H90.9300C26—H26B0.9600
C10—C111.3900C26—H26C0.9600
C10—H100.9300C27—C281.3900
C11—C121.3900C27—C321.3900
C11—H110.9300C28—C291.3900
C12—H120.9300C28—H280.9300
C13—C141.544 (5)C29—C301.3900
C13—H13A0.9700C29—H290.9300
C13—H13B0.9700C30—C311.3900
C14—C171.525 (5)C30—H300.9300
C14—C151.529 (5)C31—C321.3900
C14—C161.540 (6)C31—H310.9300
C15—H15A0.9600C32—H320.9300
O1—Sn1—C13105.04 (14)C14—C15—H15C109.5
O1—Sn1—C3102.57 (13)H15A—C15—H15C109.5
C13—Sn1—C3117.96 (14)H15B—C15—H15C109.5
O1—Sn1—C2392.50 (13)C14—C16—H16A109.5
C13—Sn1—C23115.29 (14)C14—C16—H16B109.5
C3—Sn1—C23117.68 (14)H16A—C16—H16B109.5
C1—O1—Sn1120.0 (3)C14—C16—H16C109.5
O2—C1—O1123.2 (4)H16A—C16—H16C109.5
O2—C1—C2120.4 (4)H16B—C16—H16C109.5
O1—C1—C2116.3 (4)C18—C17—C22120.0
C2i—C2—C1124.4 (5)C18—C17—C14118.8 (3)
C2i—C2—H2117.8C22—C17—C14121.2 (3)
C1—C2—H2117.8C19—C18—C17120.0
C4—C3—Sn1116.9 (2)C19—C18—H18120.0
C4—C3—H3A108.1C17—C18—H18120.0
Sn1—C3—H3A108.1C18—C19—C20120.0
C4—C3—H3B108.1C18—C19—H19120.0
Sn1—C3—H3B108.1C20—C19—H19120.0
H3A—C3—H3B107.3C21—C20—C19120.0
C5—C4—C6109.0 (3)C21—C20—H20120.0
C5—C4—C7111.9 (3)C19—C20—H20120.0
C6—C4—C7107.9 (3)C20—C21—C22120.0
C5—C4—C3108.2 (3)C20—C21—H21120.0
C6—C4—C3108.2 (3)C22—C21—H21120.0
C7—C4—C3111.6 (3)C21—C22—C17120.0
C4—C5—H5A109.5C21—C22—H22120.0
C4—C5—H5B109.5C17—C22—H22120.0
H5A—C5—H5B109.5C24—C23—Sn1118.3 (2)
C4—C5—H5C109.5C24—C23—H23A107.7
H5A—C5—H5C109.5Sn1—C23—H23A107.7
H5B—C5—H5C109.5C24—C23—H23B107.7
C4—C6—H6A109.5Sn1—C23—H23B107.7
C4—C6—H6B109.5H23A—C23—H23B107.1
H6A—C6—H6B109.5C26—C24—C27113.3 (4)
C4—C6—H6C109.5C26—C24—C23108.1 (4)
H6A—C6—H6C109.5C27—C24—C23111.3 (3)
H6B—C6—H6C109.5C26—C24—C25108.4 (4)
C8—C7—C12120.0C27—C24—C25106.9 (3)
C8—C7—C4120.1 (2)C23—C24—C25108.7 (3)
C12—C7—C4119.9 (2)C24—C25—H25A109.5
C7—C8—C9120.0C24—C25—H25B109.5
C7—C8—H8120.0H25A—C25—H25B109.5
C9—C8—H8120.0C24—C25—H25C109.5
C8—C9—C10120.0H25A—C25—H25C109.5
C8—C9—H9120.0H25B—C25—H25C109.5
C10—C9—H9120.0C24—C26—H26A109.5
C11—C10—C9120.0C24—C26—H26B109.5
C11—C10—H10120.0H26A—C26—H26B109.5
C9—C10—H10120.0C24—C26—H26C109.5
C12—C11—C10120.0H26A—C26—H26C109.5
C12—C11—H11120.0H26B—C26—H26C109.5
C10—C11—H11120.0C28—C27—C32120.0
C11—C12—C7120.0C28—C27—C24118.7 (3)
C11—C12—H12120.0C32—C27—C24121.2 (3)
C7—C12—H12120.0C29—C28—C27120.0
C14—C13—Sn1119.9 (3)C29—C28—H28120.0
C14—C13—H13A107.4C27—C28—H28120.0
Sn1—C13—H13A107.4C30—C29—C28120.0
C14—C13—H13B107.4C30—C29—H29120.0
Sn1—C13—H13B107.4C28—C29—H29120.0
H13A—C13—H13B106.9C29—C30—C31120.0
C17—C14—C15112.4 (4)C29—C30—H30120.0
C17—C14—C16108.8 (4)C31—C30—H30120.0
C15—C14—C16107.9 (4)C30—C31—C32120.0
C17—C14—C13111.6 (3)C30—C31—H31120.0
C15—C14—C13108.9 (3)C32—C31—H31120.0
C16—C14—C13107.1 (4)C31—C32—C27120.0
C14—C15—H15A109.5C31—C32—H32120.0
C14—C15—H15B109.5C27—C32—H32120.0
H15A—C15—H15B109.5
C13—Sn1—O1—C1−63.6 (3)C16—C14—C17—C18−66.0 (4)
C3—Sn1—O1—C160.3 (3)C13—C14—C17—C1851.9 (4)
C23—Sn1—O1—C1179.4 (3)C15—C14—C17—C22−7.0 (4)
Sn1—O1—C1—O2−1.6 (6)C16—C14—C17—C22112.4 (3)
Sn1—O1—C1—C2−178.3 (3)C13—C14—C17—C22−129.6 (3)
O2—C1—C2—C2i−171.2 (6)C22—C17—C18—C190.0
O1—C1—C2—C2i5.6 (8)C14—C17—C18—C19178.4 (3)
O1—Sn1—C3—C490.0 (3)C17—C18—C19—C200.0
C13—Sn1—C3—C4−155.2 (3)C18—C19—C20—C210.0
C23—Sn1—C3—C4−9.6 (3)C19—C20—C21—C220.0
Sn1—C3—C4—C5−66.3 (4)C20—C21—C22—C170.0
Sn1—C3—C4—C6175.8 (3)C18—C17—C22—C210.0
Sn1—C3—C4—C757.2 (4)C14—C17—C22—C21−178.4 (3)
C5—C4—C7—C8−30.0 (4)O1—Sn1—C23—C2490.3 (3)
C6—C4—C7—C889.8 (3)C13—Sn1—C23—C24−17.6 (4)
C3—C4—C7—C8−151.4 (2)C3—Sn1—C23—C24−164.1 (3)
C5—C4—C7—C12150.1 (3)Sn1—C23—C24—C26−56.6 (4)
C6—C4—C7—C12−90.0 (3)Sn1—C23—C24—C2768.5 (4)
C3—C4—C7—C1228.8 (4)Sn1—C23—C24—C25−174.0 (3)
C12—C7—C8—C90.0C26—C24—C27—C28171.4 (3)
C4—C7—C8—C9−179.8 (3)C23—C24—C27—C2849.3 (4)
C7—C8—C9—C100.0C25—C24—C27—C28−69.3 (4)
C8—C9—C10—C110.0C26—C24—C27—C32−10.2 (4)
C9—C10—C11—C120.0C23—C24—C27—C32−132.4 (3)
C10—C11—C12—C70.0C25—C24—C27—C32109.1 (3)
C8—C7—C12—C110.0C32—C27—C28—C290.0
C4—C7—C12—C11179.8 (3)C24—C27—C28—C29178.4 (3)
O1—Sn1—C13—C14118.8 (3)C27—C28—C29—C300.0
C3—Sn1—C13—C145.3 (4)C28—C29—C30—C310.0
C23—Sn1—C13—C14−141.0 (3)C29—C30—C31—C320.0
Sn1—C13—C14—C1757.4 (4)C30—C31—C32—C270.0
Sn1—C13—C14—C15−67.2 (4)C28—C27—C32—C310.0
Sn1—C13—C14—C16176.4 (3)C24—C27—C32—C31−178.4 (3)
C15—C14—C17—C18174.6 (3)
Symmetry codes: (i) −x, −y+2, −z.
Table 1
Selected geometric parameters (Å) top
Sn1—O12.070 (2)Sn1—C32.142 (4)
Sn1—C132.140 (4)Sn1—C232.145 (3)
Acknowledgements top

The authors thank the Science Foundation of Shandong Province and Qufu Normal University for supporting this work.

references
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