Bis(2-methyl­quinolin-8-olato-κ2N,O)­lead(II)

Mohammadnezhad, G.; Ghanbarpour, A.R.; Amini, M.M.; Ng, S.W.

doi:10.1107/S1600536810012742

Volume 66
Part 5
Page m529
May 2010

Received 5 April 2010
Accepted 6 April 2010
Online 17 April 2010

Key indicators
Single-crystal X-ray study
T = 223 K
Mean (C-C) = 0.007 Å
R = 0.027
wR = 0.063
Data-to-parameter ratio = 16.4
Details

Bis(2-methylquinolin-8-olato-²N,O)lead(II)

Gholamhossein Mohammadnezhad,^a Ali Reza Ghanbarpour,^a Mostafa M. Amini ^a and Seik Weng Ng ^b ^*

^aDepartment of Chemistry, General Campus, Shahid Beheshti University, Tehran 1983963113, Iran, and ^bDepartment of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
Correspondence e-mail: seikweng@um.edu.my

The Pb^II atom in the title compound, [Pb(C₁₀H₈NO)₂], is chelated by two oxine (2-methylquinolin-8-olate) anions in a [Psi] -trigonal-bipyramidal geometry; the N atoms occupy the axial sites. The molecule lies about a twofold rotation axis.

Related literature

For the crystal structure of bis(quinolin-8-olato)lead(II), see: Zhu et al. (2005).

Experimental

Crystal data

[Pb(C₁₀H₈NO)₂]
M_r = 523.54
Monoclinic, C 2/c
a = 22.439 (2) Å
b = 4.7636 (5) Å
c = 15.7139 (15) Å
= 101.167 (1)°
V = 1647.9 (3) Å³
Z = 4
Mo K radiation
= 10.25 mm^-1
T = 223 K
0.30 × 0.06 × 0.04 mm

Data collection

Bruker SMART APEX diffractometer
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) T_min = 0.149, T_max = 0.685
7405 measured reflections
1890 independent reflections
1765 reflections with I > 2(I)
R_int = 0.053

Refinement

R[F² > 2(F²)] = 0.027
wR(F²) = 0.063
S = 1.02
1890 reflections
115 parameters
H-atom parameters constrained
_max = 1.69 e Å^-3
_min = -1.50 e Å^-3

Table 1
Selected geometric parameters (Å, °)

Pb1-O1	2.262 (3)
Pb1-N1	2.507 (3)

O1-Pb1-O1ⁱ	93.6 (2)
N1-Pb1-N1ⁱ	135.6 (1)
Symmetry code: (i) $[-x+1, y, -z+{\script{3\over 2}}]$ .

Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2010).

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BT5241 ).

Acknowledgements

We thank the Graduate Study Council of Shahid Beheshti University (project No. 600/2097) and the University of Malaya for supporting this study.

References

Barbour, L. J. (2001). J. Supramol. Chem. 1, 189-191.
Bruker (2009). APEX2 and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Westrip, S. P. (2010). publCIF. In preparation.
Zhu, L.-H., Zeng, M.-H. & Ng, S. W. (2005). Acta Cryst. E61, m1082-m1084.

metal-organic compounds

Bis(2-methylquinolin-8-olato-2N,O)lead(II)