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Volume 66 
Part 1 
Page m8  
January 2010  

Received 16 November 2009
Accepted 1 December 2009
Online 4 December 2009

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Key indicators
Single-crystal X-ray study
T = 293 K
Mean [sigma](C-C) = 0.015 Å
R = 0.042
wR = 0.160
Data-to-parameter ratio = 20.3
Details
Open access

Dibromidodi-[mu]-hydroxido-di-[mu]3-oxido-octaphenyltetratin(IV)

Quai Ling Yap,a Kong Mun Loa and Seik Weng Nga*

aDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
Correspondence e-mail: seikweng@um.edu.my

In the centrosymmetric title compound, [Sn4Br2(C6H5)8O2(OH)2], the four tin(IV) atoms are bridged by the hydroxo and oxo ligands, forming a ladder-like array of three edge-connected Sn2O2 squares. The two independent tin atoms show distorted trigonal-bipyramidal SnC2O3 and SnC2O2Br coordination geometries.

Related literature

For other [Sn4X2(O)2(OH)2R8] (X = halogen, R = organic group) structures, see: Baumeister et al. (2002[Baumeister, U., Dakternieks, D., Jurkschat, K. & Schürmann, M. (2002). Main Group Met. Chem. 26, 521-522.]); Beckmann et al. (2001[Beckmann, J., Jurkschat, K., Rabe, S., Schürmann, M. & Dakternieks, D. (2001). Z. Anorg. Allg. Chem. 627, 458-464.]); Cox & Tiekink (1994[Cox, M. J. & Tiekink, E. R. T. (1994). Z. Kristallogr. 209, 622-623.]); Kresinski et al. (1994[Kresinski, R. A., Staples, R. J. & Fackler, J. P. (1994). Acta Cryst. C50, 40-41.]); Lo & Ng (2009[Lo, K. M. & Ng, S. W. (2009). Acta Cryst. E65, m593.]); Mohamed et al. (2004[Mohamed, E. M., Panchanatheswaran, K., Low, J. N. & Glidewell, C. (2004). Acta Cryst. E60, m489-m491.]); Puff et al. (1983[Puff, H., Bung, I., Friedrichs, E. & Jansen, A. (1983). J. Organomet. Chem. 254, 23-32.]); Tiekink (1991[Tiekink, E. R. T. (1991). Acta Cryst. C47, 661-662.]); Vollano et al. (1984[Vollano, J. F., Day, R. O. & Holmes, R. R. (1984). Organometallics, 3, 745-750.]).

[Scheme 1]

Experimental

Crystal data

  • [Sn4Br2(C6H5)8O2(OH)2]

  • Mr = 1317.40

  • Triclinic, [P \overline 1]

  • a = 10.3759 (1) Å

  • b = 10.8247 (1) Å

  • c = 12.0341 (2) Å

  • [alpha] = 77.1809 (7)°

  • [beta] = 65.4426 (7)°

  • [gamma] = 75.2040 (7)°

  • V = 1178.26 (3) Å3

  • Z = 1

  • Mo K[alpha] radiation

  • [mu] = 3.83 mm-1

  • T = 293 K

  • 0.25 × 0.25 × 0.25 mm
Data collection

  • Bruker SMART APEX diffractometer

  • Absorption correction: multi-scan (SADABS; Sheldrick, 1996[Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.]) Tmin = 0.539, Tmax = 0.746

  • 10751 measured reflections

  • 5309 independent reflections

  • 4449 reflections with I > 2[sigma](I)

  • Rint = 0.028
Refinement

  • R[F2 > 2[sigma](F2)] = 0.042

  • wR(F2) = 0.160

  • S = 1.06

  • 5309 reflections

  • 262 parameters

  • H-atom parameters constrained

  • [Delta][rho]max = 2.39 e Å-3

  • [Delta][rho]min = -1.38 e Å-3

Table 1
Selected bond lengths (Å)

Sn1-O1i 2.068 (4)
Sn1-O1 2.095 (4)
Sn1-C1 2.117 (6)
Sn1-C7 2.120 (6)
Sn1-O2 2.171 (4)
Sn2-O1i 2.029 (4)
Sn2-C13 2.118 (7)
Sn2-C19 2.126 (7)
Sn2-O2 2.167 (4)
Sn2-Br1 2.6444 (9)
Symmetry code: (i) -x+1, -y+1, -z+1.

Data collection: APEX2 software (Bruker, 2008[Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT (Bruker, 2008[Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); molecular graphics: X-SEED (Barbour, 2001[Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.]); software used to prepare material for publication: publCIF (Westrip, 2009[Westrip, S. P. (2009). publCIF. In preparation.]).

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB5234 ).

Acknowledgements

We thank the University of Malaya (grant No. RG020/09AFR) for supporting this study.

References

Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.  [CrossRef] [ChemPort]
Baumeister, U., Dakternieks, D., Jurkschat, K. & Schürmann, M. (2002). Main Group Met. Chem. 26, 521-522.
Beckmann, J., Jurkschat, K., Rabe, S., Schürmann, M. & Dakternieks, D. (2001). Z. Anorg. Allg. Chem. 627, 458-464.  [CSD] [CrossRef] [ChemPort]
Bruker (2008). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Cox, M. J. & Tiekink, E. R. T. (1994). Z. Kristallogr. 209, 622-623.  [CrossRef] [ChemPort]
Kresinski, R. A., Staples, R. J. & Fackler, J. P. (1994). Acta Cryst. C50, 40-41.  [CrossRef] [details]
Lo, K. M. & Ng, S. W. (2009). Acta Cryst. E65, m593.  [CSD] [CrossRef] [details]
Mohamed, E. M., Panchanatheswaran, K., Low, J. N. & Glidewell, C. (2004). Acta Cryst. E60, m489-m491.  [CSD] [CrossRef] [details]
Puff, H., Bung, I., Friedrichs, E. & Jansen, A. (1983). J. Organomet. Chem. 254, 23-32.  [CrossRef] [ChemPort]
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.  [CrossRef] [details]
Tiekink, E. R. T. (1991). Acta Cryst. C47, 661-662.  [CrossRef] [details]
Vollano, J. F., Day, R. O. & Holmes, R. R. (1984). Organometallics, 3, 745-750.  [CrossRef] [ChemPort]
Westrip, S. P. (2009). publCIF. In preparation.

Acta Cryst (2010). E66, m8  [ doi:10.1107/S1600536809051691 ]

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