Synthesis and Spectroscopic Properties of Cationic Bis(bipyridine)-Phosphine Ruthenium Complexes

Bandar A. Babgi

doi:10.14233/ajchem.2016.19438

Issue

Vol. 28 No. 3 (2016): Vol 28 Issue 3

Issue Published : December 5, 2015

This work is licensed under a Creative Commons Attribution 4.0 International License.

Synthesis and Spectroscopic Properties of Cationic Bis(bipyridine)-Phosphine Ruthenium Complexes

https://doi.org/10.14233/ajchem.2016.19438

Bandar A. Babgi

Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 80203 Jeddah 21589, Saudi Arabia

Corresponding Author(s) : Bandar A. Babgi

bbabgi@kau.edu.sa

Asian Journal of Chemistry, Vol. 28 No. 3 (2016): Vol 28 Issue 3
Article Published : December 5, 2015

Abstract

The syntheses of heteroleptic bis-bipyridine ruthenium(II) complexes [Ru(R-bpy)(R'-bpy)(PPh₃)Cl][PF₆] {(2) R-bpy = R'-bpy = 4,4'-dimethyl-2,2'-bipyridine and (3) R-bpy = 4,4'-dimethyl-2,2'-bipyridine, R'-bpy = 4,4'-dimethoxy-2,2'-bipyridine} were achieved by addition of ammonium hexafluorophosphate to a solution of equimolar amounts of trans, cis-[Ru(Me-bpy)(PPh₃)₂Cl₂] and R'-bpy on refluxing chloroform. The new complexes were characterized by NMR (³¹P, ¹H), IR spectroscopy, mass spectrometry and elemental analysis. The structure of [Ru(Me-bpy)(MeO-bpy)(PPh₃)Cl][PF₆] was identified by X-ray crystallography. Electronic absorption and emission spectra of the complexes were collected. Weak emissions in both complexes were highlighted at room temperature in the range 618-625 nm in methanol and acetonitrile. No emission were observed in chloroform solutions, suggesting that the rate of non-radiative decay (energy transfer) of the singlet metal-to-ligand charge transfer (¹MLCT) excited state is approaching or even faster than that of the inter-system crossing.

Keywords

Ruthenium Bis(bipyridine) Heteroleptic Luminescence

Babgi, B. A. (2015). Synthesis and Spectroscopic Properties of Cationic Bis(bipyridine)-Phosphine Ruthenium Complexes. Asian Journal of Chemistry, 28(3), 627–630. https://doi.org/10.14233/ajchem.2016.19438

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References

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References

T.J. Meyer, Pure Appl. Chem., 58, 1193 (1986); doi:10.1351/pac198658091193.

T.J. Meyer, Acc. Chem. Res., 22, 163 (1989); doi:10.1021/ar00161a001.

M.B. Majewski, N.R. Tacconi, F.M. MacDonnell and M.O. Wolf, Inorg. Chem., 50, 9939 (2011); doi:10.1021/ic201895y.

H.J. Bolink, L. Cappelli, E. Coronado, M. Grätzel and M.K. Nazeeruddin, J. Am. Chem. Soc., 128, 46 (2006); doi:10.1021/ja0565065.

M.R. McDevitt, Y. Ru and A.W. Addison, Transition Met. Chem., 18, 197 (1993); doi:10.1007/BF00139956.

O. Schwarz, D. van Loyen, S. Jockusch, N.J. Turro and H. Dürr, J. Photochem. Photobiol. Chem., 132, 91 (2000); doi:10.1016/S1010-6030(99)00235-X.

P. Anzenbacher Jr., D.S. Tyson, K. Jursiková and F.N. Castellano, J. Am. Chem. Soc., 124, 6232 (2002); doi:10.1021/ja0259180.

J.A. Barron, S. Bernhard, P.L. Houston, H.D. Abruña, J.L. Ruglovsky and G.G. Malliaras, J. Phys. Chem. A, 107, 8130 (2003); doi:10.1021/jp027139b.

M.-J. Li, B.W.-K. Chu, N. Zhu and V.W.-W. Yam, Inorg. Chem., 46, 720 (2007); doi:10.1021/ic061507z.

F. Zapata, A. Caballero, A. Espinosa, A. Tarraga and P. Molina, J. Org. Chem., 73, 4034 (2008); doi:10.1021/jo800296c.

S. Singh, N.R. de Tacconi, N.R.G. Diaz, R.O. Lezna, J. Muñoz Zuñiga, K. Abayan and F.M. MacDonnell, Inorg. Chem., 50, 9318 (2011); doi:10.1021/ic2006698.

E.N. Dixon, M.Z. Snow, J.L. Bon, A.M. Whitehurst, B.A. DeGraff, C. Trindle and J.N. Demas, Inorg. Chem., 51, 3355 (2012); doi:10.1021/ic201114u.

P.A. Anderson, G.B. Deacon, K.H. Haarmann, F.R. Keene, T.J. Meyer, D.A. Reitsma, B.W. Skelton, G.F. Strouse, N.C. Thomas, J.A. Treadway and A.H. White, Inorg. Chem., 34, 6145 (1995); doi:10.1021/ic00128a028.

D.A. Freedman, J.K. Evju, M.K. Pomije and K.R. Mann, Inorg. Chem., 40, 5711 (2001); doi:10.1021/ic010603r.

A.A. Batista, M.O. Santiago, C.L. Donnici, I.S. Moreira, P.C. Healy, S.J. Berners-Price and S.L. Queiroz, Polyhedron, 20, 2123 (2001); doi:10.1016/S0277-5387(01)00744-6.

Agilent, CrysAlis PRO. Agilent Technologies, Yarnton, England (2012).

G.M. Sheldrick, Acta Crystallogr., 64, 112 (2008); doi:10.1107/S0108767307043930.

L.J. Barbour, J. Supramol. Chem., 1, 189 (2001); doi:10.1016/S1472-7862(02)00030-8.

B.P. Sullivan, D.J. Salmon and T.J. Meyer, Inorg. Chem., 17, 3334 (1978); doi:10.1021/ic50190a006.

J.M. Kelly, C.M. O’Connell and J.G. Vos, J. Chem. Soc., Dalton Trans., 2, 253 (1986); doi:10.1039/dt9860000253.

H.S. White, W.G. Becker and A.J. Bard, J. Phys. Chem., 88, 1840 (1984); doi:10.1021/j150653a033.

V. Balzani, S. Campagna, G. Denti, A. Juris, S. Serroni and M. Venturi, Acc. Chem. Res., 31, 26 (1998); doi:10.1021/ar950202d.

S. Campagna, F. Puntoriero, F. Nastasi, G. Bergamini and V. Balzani, Top. Curr. Chem., 280, 117 (2007); doi:10.1007/128_2007_133.

Issue

Vol. 28 No. 3 (2016): Vol 28 Issue 3

Synthesis and Spectroscopic Properties of Cationic Bis(bipyridine)-Phosphine Ruthenium Complexes

Corresponding Author(s) : Bandar A. Babgi

Abstract

Keywords

Full Article

Download Citation

References

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