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Volume 65 
Part 7 
Page m809  
July 2009  

Received 15 June 2009
Accepted 16 June 2009
Online 20 June 2009

Key indicators
Single-crystal X-ray study
T = 183 K
Mean [sigma](C-C) = 0.005 Å
Disorder in main residue
R = 0.071
wR = 0.270
Data-to-parameter ratio = 19.2
Details
Open access

Bis(2,4,6-trimethylphenyl)zinc(II)

aInstitute of Inorganic and Analytical Chemistry, Friedrich-Schiller-Universität Jena, August-Bebel-Strasse 2, D-07743 Jena, Germany
Correspondence e-mail: m.we@uni-jena.de

The title compound, [Zn(C9H11)2] or Mes2Zn (Mes = mesityl = 2,4,6-trimethylphenyl), crystallizes with a quarter of a molecule in the asymmetric unit. The ZnII atom is in a strictly linear environment with a Zn-C bond length of 1.951 (5) Å. Due to the imposed 2/m symmetry, both aromatic rings are coplanar. One of the methyl groups is disordered over two equally occupied positions.

Related literature

For the first synthesis of dimesitylzinc, see: Seidel & Bürger (1981[Seidel, W. & Bürger, I. (1981). Z. Anorg. Allg. Chem. 473, 166-170.]). For related structures, see: Brooker et al. (1992[Brooker, S., Bertel, N., Stalke, D., Noltemeyer, M., Roesky, H. W., Sheldrick, G. M. & Edelmann, F. T. (1992). Organometallics, 11, 192-195.]); Cole et al. (2003[Cole, S. C., Coles, M. P. & Hitchcock, P. B. (2003). Dalton Trans. pp. 3663-3664.]); Markies et al. (1990[Markies, P. R., Schat, G., Akkermann, O. S. & Bickelhaupt, F. (1990). Organometallics, 9, 2243-2247.]); Sun et al. (1998[Sun, Y., Piers, W. E. & Parvez, M. (1998). Can. J. Chem. 76, 513-517.]); Weidenbruch et al. (1989[Weidenbruch, M., Herrndorf, M., Schäfer, A., Pohl, S. & Saak, W. (1989). J. Organomet. Chem. 361, 139-145.]); Westerhausen et al. (2005[Westerhausen, M., Ossberger, M. W., Alexander, J. S. & Ruhlandt-Senge, K. (2005). Z. Anorg. Allg. Chem. 631, 2836-2841.]).

[Scheme 1]

Experimental

Crystal data
  • [Zn(C9H11)2]

  • Mr = 303.73

  • Tetragonal, P 42 /n c m

  • a = 18.3059 (9) Å

  • c = 5.0494 (4) Å

  • V = 1692.08 (18) Å3

  • Z = 4

  • Mo K[alpha] radiation

  • [mu] = 1.44 mm-1

  • T = 183 K

  • 0.05 × 0.05 × 0.04 mm

Data collection
  • Nonius KappaCCD diffractometer

  • Absorption correction: none

  • 10286 measured reflections

  • 1016 independent reflections

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

  • Rint = 0.046

Refinement
  • R[F2 > 2[sigma](F2)] = 0.071

  • wR(F2) = 0.270

  • S = 1.13

  • 1016 reflections

  • 53 parameters

  • H-atom parameters constrained

  • [Delta][rho]max = 1.33 e Å-3

  • [Delta][rho]min = -0.60 e Å-3

Data collection: COLLECT (Nonius, 1998[Nonius (1998). COLLECT. Nonius BV, Delft, The Netherlands.]); cell refinement: DENZO (Otwinowski & Minor, 1997[Otwinowski, Z. & Minor, W. (1997). Methods in Enzymology, Vol. 276, Macromolecular Crystallography, Part A, edited by C. W. Carter Jr & R. M. Sweet, pp. 307-326. New York: Academic Press.]); data reduction: DENZO; 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: SHELXTL/PC (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); software used to prepare material for publication: SHELXL97.


Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BT2971 ).


Acknowledgements

We thank the Deutsche Forschungsgemeinschaft (DFG, Bonn-Band Godesberg, Germany) for generous financial support. We also acknowledge the funding of the Fonds der Chemischen Indunstrie (Frankfurt/Main, Germany). In addition, SK is very grateful to the Verband der Chemischen Industrie (VCI/FCI) for a PhD grant.

References

Brooker, S., Bertel, N., Stalke, D., Noltemeyer, M., Roesky, H. W., Sheldrick, G. M. & Edelmann, F. T. (1992). Organometallics, 11, 192-195.  [CrossRef] [ChemPort]
Cole, S. C., Coles, M. P. & Hitchcock, P. B. (2003). Dalton Trans. pp. 3663-3664.  [CSD] [CrossRef]
Markies, P. R., Schat, G., Akkermann, O. S. & Bickelhaupt, F. (1990). Organometallics, 9, 2243-2247.  [CrossRef] [ChemPort]
Nonius (1998). COLLECT. Nonius BV, Delft, The Netherlands.
Otwinowski, Z. & Minor, W. (1997). Methods in Enzymology, Vol. 276, Macromolecular Crystallography, Part A, edited by C. W. Carter Jr & R. M. Sweet, pp. 307-326. New York: Academic Press.
Seidel, W. & Bürger, I. (1981). Z. Anorg. Allg. Chem. 473, 166-170.  [CrossRef] [ChemPort]
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.  [CrossRef] [details]
Sun, Y., Piers, W. E. & Parvez, M. (1998). Can. J. Chem. 76, 513-517.  [ISI] [CrossRef] [ChemPort]
Weidenbruch, M., Herrndorf, M., Schäfer, A., Pohl, S. & Saak, W. (1989). J. Organomet. Chem. 361, 139-145.  [CrossRef] [ChemPort]
Westerhausen, M., Ossberger, M. W., Alexander, J. S. & Ruhlandt-Senge, K. (2005). Z. Anorg. Allg. Chem. 631, 2836-2841.  [CSD] [CrossRef] [ChemPort]


Acta Cryst (2009). E65, m809  [ doi:10.1107/S1600536809023186 ]

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