Trichlorido(N,N′-di-tert-butyl­benzamidinato-κ2N,N′)silicon

Lv, L.-D.; Li, J.-J.; Yang, W.; Ren, C.-X.; Ding, Y.-Q.

doi:10.1107/S1600536808010398

Volume 64
Part 5
Page o870
May 2008

Received 30 March 2008
Accepted 15 April 2008
Online 18 April 2008

Key indicators
Single-crystal X-ray study
T = 273 K
Mean (C-C) = 0.005 Å
R = 0.053
wR = 0.160
Data-to-parameter ratio = 16.2
Details

Trichlorido(N,N'-di-tert-butylbenzamidinato-²N,N')silicon

Lu-Dan Lv,^a Jun-Jun Li,^b Wei Yang,^a Chun-Xia Ren ^a ^* and Yu-Qiang Ding ^a ^*

^aSchool of Chemical and Materials Engineering, Jiangnan University, 1800 Lihu Road, Wuxi, Jiangsu Province 214122, People's Republic of China, and ^bCollege of Pharmacy, GuangDong Pharmaceutical University, Guangzhou, Guangdong Province 510006, People's Republic of China
Correspondence e-mail: chunxiaren@sina.com, liweijun947@163.com

In the title molecule, C₁₅H₂₃Cl₃N₂Si, the Si atom is pentacoordinated by two N atoms [Si-N = 1.780 (3) and 1.931 (3) Å] from the benzamidinate ligand and three chloride anions [Si-Cl = 2.0711 (14)-2.1449 (14) Å] in a distorted trigonal-bipyramidal geometry.

Related literature

For the geometric parameters of related silicon complexes, see: So et al. (2006); Hargittai et al. (1983); Koe et al. (1998); Karsch et al. (1998); Jones et al. (2002).

Experimental

Crystal data

C₁₅H₂₃Cl₃N₂Si
M_r = 365.80
Triclinic, $[P \overline 1]$
a = 6.372 (3) Å
b = 10.278 (4) Å
c = 14.229 (6) Å
= 83.222 (6)°
= 83.227 (6)°
= 84.189 (6)°
V = 915.3 (7) Å³
Z = 2
Mo K radiation
= 0.56 mm^-1
T = 273 (2) K
0.35 × 0.26 × 0.15 mm

Data collection

Bruker SMART CCD area-detector diffractometer
Absorption correction: none
4535 measured reflections
3166 independent reflections
2189 reflections with I > 2(I)
R_int = 0.028

Refinement

R[F² > 2(F²)] = 0.053
wR(F²) = 0.159
S = 0.99
3166 reflections
196 parameters
H-atom parameters constrained
_max = 0.44 e Å^-3
_min = -0.43 e Å^-3

Data collection: SMART (Bruker, 1998); cell refinement: SAINT-Plus (Bruker, 1998); data reduction: SAINT-Plus; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2003); software used to prepare material for publication: SHELXL97.

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: CV2396 ).

Acknowledgements

This work was supported by the National Natural Science Foundation of China (grant Nos. 20571033 and 20701016).

References

Bruker, (1998). SMART and SAINT-Plus. Bruker AXS Inc., Madison, Wisconsin, USA.
Hargittai, I., Schultz, G., Tremmel, J., Kagramanov, N. D., Maltsev, A. K. & Nefedov, O. M. (1983). J. Am. Chem. Soc. 105, 2895-2896.
Jones, C., Junk, P. C., Leary, S. G., Smithies, N. A. & Steed, J. W. (2002). Inorg. Chem. Commun. 5, 533-536.
Karsch, H. H., Schlüter, P. A. & Reisky, M. (1998). Eur. J. Inorg. Chem. pp. 433-436.
Koe, J. R., Powell, D. R., Buffy, J. J., Hayase, S. & West, R. (1998). Angew. Chem. Int. Ed. 37, 1441-1442.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
So, C.-W., Roesky, H. W., Magull, J. & Oswald, R. B. (2006). Angew. Chem. Int. Ed. 45, 3948-3950.
Spek, A. L. (2003). J. Appl. Cryst. 36, 7-13.

organic compounds

Trichlorido(N,N'-di-tert-butylbenzamidinato-2N,N')silicon