[Journal logo]

Volume 67 
Part 1 
Page m42  
January 2011  

Received 16 November 2010
Accepted 2 December 2010
Online 8 December 2010

[br2152sup1]
[3d view]

[Cited in]
[Download citation]
Key indicators
Single-crystal X-ray study
T = 173 K
Mean [sigma](C-C) = 0.010 Å
R = 0.030
wR = 0.056
Data-to-parameter ratio = 21.5
Details
Open access

[[mu]-1,2-Bis(diphenylphosphanyl)-1,2-dimethylhydrazine-[kappa]2P:P']bis[chloridogold(I)]

Frederik H. Kriel,a* Manuel A. Fernandesb and Judy Coatesa

aProject AuTEK, Mintek, Private Bag X3015, Randburg 2125, South Africa, and bMolecular Science Institute, School of Chemistry, University of the Witwatersrand, PO Wits, 2050 Johannesburg, South Africa
Correspondence e-mail: erikk@mintek.co.za

The title compound, [Au2Cl2(C26H26N2P2)], is formed from a bidentate phosphine ligand complexed to two linearly coordinated gold(I) atoms. The gold(I) atoms are 3.4873 (7) Å apart. The molecule exhibits a crystallographic twofold rotation axis.

Related literature

For the structure of the parent ligand, see: Kriel et al. (2010a[Kriel, F. H., Fernandes, M. A. & Caddy, J. (2010a). Acta Cryst. E66, o1270.]). For the synthesis of the parent ligand and related structures utilising alternative metals, see: Reddy et al. (1994[Reddy, V. S., Katti, K. V. & Barnes, C. L. (1994). Chem. Ber. 127, 355-1357.], 1995[Reddy, V. S., Katti, K. V. & Barnes, C. L. (1995). Inorg. Chem. 34, 5483-5488.]); Kriel et al. (2010b[Kriel, F. H., Fernandes, M. A. & Coates, J. (2010b). Acta Cryst. E66, m710.]). For Au...Au interactions, see: Holleman & Wiberg (2001[Holleman, A. F. & Wiberg, E. (2001). Inorganic Chemistry, p. 1248. San Diego: Academic Press]). For related gold structures of dppe and dppen (dppe = 1,2-bis(diphenylphosphino)ethane; dppen = 1,2-bis(diphenylphosphino)ethene), see: Eggleston et al. (1985[Eggleston, D. S., Chodosh, D. F., Girard, G. R. & Hill, D. T. (1985). Inorg. Chim. Acta, 108, 221-226.]) and Jones (1980[Jones, P. G. (1980). Acta Cryst. B36, 2775-2776.]), respectively.

[Scheme 1]

Experimental

Crystal data

  • [Au2Cl2(C26H26N2P2)]

  • Mr = 893.26

  • Tetragonal, P 41 21 2

  • a = 10.6720 (14) Å

  • c = 23.439 (4) Å

  • V = 2669.5 (7) Å3

  • Z = 4

  • Mo K[alpha] radiation

  • [mu] = 11.32 mm-1

  • T = 173 K

  • 0.18 × 0.10 × 0.08 mm
Data collection

  • Bruker SMART CCD area-detector diffractometer

  • Absorption correction: integration (SADABS; Bruker, 1999[Bruker (1999). SAINT-Plus and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]) Tmin = 0.294, Tmax = 0.457

  • 25347 measured reflections

  • 3312 independent reflections

  • 2709 reflections with I > 2[sigma](I)

  • Rint = 0.091
Refinement

  • R[F2 > 2[sigma](F2)] = 0.030

  • wR(F2) = 0.056

  • S = 0.98

  • 3312 reflections

  • 154 parameters

  • H-atom parameters constrained

  • [Delta][rho]max = 1.43 e Å-3

  • [Delta][rho]min = -0.78 e Å-3

  • Absolute structure: Flack (1983[Flack, H. D. (1983). Acta Cryst. A39, 876-881.]), 1332 Friedel pairs

  • Flack parameter: 0.011 (10)

Data collection: SMART-NT (Bruker, 1998[Bruker (1998). SMART-NT. Bruker AXS Inc., Madison, Wisconsin, USA.]); cell refinement: SAINT-Plus (Bruker, 1999[Bruker (1999). SAINT-Plus and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.]); data reduction: SAINT-Plus; 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: ORTEP-3 (Farrugia, 1997[Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.]) and Mercury (Macrae et al., 2008)[Macrae, C. F., Bruno, I. J., Chisholm, J. A., Edgington, P. R., McCabe, P., Pidcock, E., Rodriguez-Monge, L., Taylor, R., van de Streek, J. & Wood, P. A. (2008). J. Appl. Cryst. 41, 466-470.]; software used to prepare material for publication: WinGX (Farrugia, 1999[Farrugia, L. J. (1999). J. Appl. Cryst. 32, 837-838.]).

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BR2152 ).

Acknowledgements

The authors would like to thank Project AuTEK (Mintek and Harmony) and the University of the Witwatersrand for financial support.

References

Bruker (1998). SMART-NT. Bruker AXS Inc., Madison, Wisconsin, USA.
Bruker (1999). SAINT-Plus and SADABS. Bruker AXS Inc., Madison, Wisconsin, USA.
Eggleston, D. S., Chodosh, D. F., Girard, G. R. & Hill, D. T. (1985). Inorg. Chim. Acta, 108, 221-226.  [CrossRef] [ChemPort] [ISI]
Farrugia, L. J. (1997). J. Appl. Cryst. 30, 565.  [CrossRef] [details]
Farrugia, L. J. (1999). J. Appl. Cryst. 32, 837-838.  [CrossRef] [ChemPort] [details]
Flack, H. D. (1983). Acta Cryst. A39, 876-881.  [CrossRef] [details]
Holleman, A. F. & Wiberg, E. (2001). Inorganic Chemistry, p. 1248. San Diego: Academic Press
Jones, P. G. (1980). Acta Cryst. B36, 2775-2776.  [CrossRef] [details] [ISI]
Kriel, F. H., Fernandes, M. A. & Caddy, J. (2010a). Acta Cryst. E66, o1270.  [CrossRef] [details]
Kriel, F. H., Fernandes, M. A. & Coates, J. (2010b). Acta Cryst. E66, m710.  [CrossRef] [details]
Macrae, C. F., Bruno, I. J., Chisholm, J. A., Edgington, P. R., McCabe, P., Pidcock, E., Rodriguez-Monge, L., Taylor, R., van de Streek, J. & Wood, P. A. (2008). J. Appl. Cryst. 41, 466-470.  [ISI] [CrossRef] [ChemPort] [details]
Reddy, V. S., Katti, K. V. & Barnes, C. L. (1994). Chem. Ber. 127, 355-1357.
Reddy, V. S., Katti, K. V. & Barnes, C. L. (1995). Inorg. Chem. 34, 5483-5488.  [CrossRef] [ChemPort] [ISI]
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.  [CrossRef] [details]

Acta Cryst (2011). E67, m42  [ doi:10.1107/S1600536810050506 ]

This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.