Synthesis, crystal structure and NLO properties of a novel ruthenium(II) complex with unusual coordination mode

A new Schiff base 4-[N-hydroxyethyl-N-(methyl)amino]benzaldehyde S-methyl dithiocarbazate (HL, where H is a dissociable proton) and the ruthenium complex [Ru(bpy)2L]PF6 (bpy = 2,2′-bipyridine) have been synthesized. The structural determinations of the ligand and its ruthenium complex, by X-ray crystallography, show that the ligand is coordinated as a monoanionic bidentate N, S-donor, forming a four-member chelate ring with a bite angle of 65.91°. The complex shows intense MLCT transitions in the visible region. Fluorescent and electrochemical properties have been also studied. The complex in DMF solution exhibited a strong two-photon absorption (t.p.a.) at 532 nm nanosecond laser pulses. The t.p.a. coefficient β, t.p.a. cross-section σ and the third-order optical nonlinearity χ(3) of the complex and the ligand have been determined by the Z-scan technique.

Zhang, Ming-liangDepartment of Chemistry, Anhui University, China (author)
Hu, Zhang-JunDepartment of Chemistry, Anhui University, China (author)
Hu, Han-meiDepartment of Chemistry, Anhui University, China (author)
Wu, Jie-YingDepartment of Chemistry, Anhui University, China (author)
Zhang, XuanjunDepartment of Chemistry, Anhui University, China (author)
Zhang, Sheng-YIDepartment of Chemistry, Anhui University, China (author)
Tao, XutangState Key Laboratory of Crystal Materials, Shandong University, China (author)
Jiang, MinhuaState Key Laboratory of Crystal Materials, Shandong University, China (author)
Chen, He-pingDepartment of Physics, Anhui University, China (author)
Chantrapromma, SuchadaCrystallography Unit, School of Physics, Universiti Sain Malaysia (author)
Fun, Hoong-KunCrystallography Unit, School of Physics, Universiti Sain Malaysia (author)
Department of Chemistry, Anhui University, ChinaState Key Laboratory of Crystal Materials, Shandong University, China (creator_code:org_t)

In:Transition metal chemistry (Weinheim): Kluwer Academic Publishers30:7, s. 778-7850340-42851572-901X

By the author/editor: Tian, Yu-peng; Zhang, Ming-lian ...; Hu, Zhang-Jun; Hu, Han-mei; Wu, Jie-Ying; Zhang, Xuanjun; show more...; Zhang, Sheng-YI; Tao, Xutang; Jiang, Minhua; Chen, He-ping; Chantrapromma, S ...; Fun, Hoong-Kun; show less...

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