Citation: CAO Man-Li, HE Yu-Qi, LIU Wen-Ting, YIN Wei, YAO Su-Yang. Crystal Structure, Electrochemistry and Spectral Properties of Two 2-Substituted-4, 6-di(2-pyridyl)-1, 3, 5-triazine Bridged Dinuclear Ruthenium Complexes[J]. Chinese Journal of Inorganic Chemistry, ;2020, 36(11): 2135-2144. doi: 10.11862/CJIC.2020.242 shu

Crystal Structure, Electrochemistry and Spectral Properties of Two 2-Substituted-4, 6-di(2-pyridyl)-1, 3, 5-triazine Bridged Dinuclear Ruthenium Complexes

CAO Man-Li ^1,2,, ,
HE Yu-Qi ³ ,
LIU Wen-Ting ^1,2 ,
YIN Wei ^1,2 ,
YAO Su-Yang ^1,2,,

1.
Department of Chemistry, Guangdong University of Education, Guangzhou 510303, China
2.
Engineering Technology Development Center of Advanced Materials & Energy Saving and Emission Reduction in Guangdong Colleges and Universities, Guangzhou 510303, China
3.
MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China

Corresponding author: CAO Man-Li, caomanli@gdei.edu.cn YAO Su-Yang, yaosuze@gdei.edu.cn
Received Date: 9 February 2020
Revised Date: 31 August 2020

Figures(7)

Two new dinuclear Ru(Ⅱ) complexes of 2-substituted 4, 6-di(2-pyridyl)-1, 3, 5-triazine, [Ru₂(OBPT)(bpy)₄] (PF₆)₃·3H₂O·0.5CH₃CH₂OH (1) and[Ru₂(HABPT)(bpy)₄](PF₆)₄·0.5H₂O (2), where bpy=2, 2'-bipyridine, HOBPT=4, 6-bi(2-pyridyl)-1, 3, 5-triazin-2-ol, HABPT=2-amino-4, 6-bi(2-pyridyl)-1, 3, 5-triazine, were synthesized and characterized. The X-ray crystal structures of the complexes have been determined, which show that 1 crystallizes in the monoclinic C2/c space group and in the rac-(ΔΔ) stereoisomeric form, while 2 in the orthorhombic Pca2₁ space group and in the meso-(ΔΛ) stereoisomeric form. Single-crystal structures indicate that the bridging ligand HOBPT in 1 is deprotonated while the ligand HABPT in 2 is not. The electrochemical and spectral properties of two complexes are significantly different. All data indicate the presence of electronic coupling between the individual metal centers bridged by the ligands in the complexes.CCDC: 2026074, 1; 2026075, 2.
- Ru(Ⅱ) polypyridyl complexes,
- dinuclear ruthenium complexes,
- 1, 3, 5-triazine,
- crystal structure,
- electrochemistry,
- spectral properties
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