Ruthenium(II) bipyridine complexes bearing quinoline-azoimine (NN′N") tridentate ligands: Synthesis, spectral characterization, electrochemical properties and single-crystal X-ray structure analysis

被引：8
作者：
Al-Noaimi, Mousa [1 ]
Abdel-Rahman, Obadah S. [2 ]
Fasfous, Ismail I. [1 ]
El-Khateeb, Mohammad [3 ]
Awwadi, Firas F. [4 ]
Warad, Ismail [5 ]
机构：
[1] Hashemite Univ, Dept Chem, Zarqa 13115, Jordan
[2] Univ Konstanz, Fachbereich Chem, D-78457 Constance, Germany
[3] Jordan Univ Sci & Technol, Fac Sci & Arts, Dept Chem, Irbid 22110, Jordan
[4] Univ Jordan, Dept Chem, Amman 11942, Jordan
[5] AN Najah Natl Univ, Dept Chem, Nablus, Israel
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2014年 / 125卷
关键词：
Ruthenium; Azoimine-quinoline ligands; Spectroelectrochemistry; Electrochemistry; DFT calculation; ELECTRONIC-PROPERTIES; EXCITATION-ENERGIES; REDOX; SENSITIZERS; PARAMETRIZATION; APPROXIMATION; DERIVATIVES; POTENTIALS; ABSORPTION; OXIDATION;
D O I：
10.1016/j.saa.2014.01.075
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Four octahedral ruthenium(II) azoimine-quinoline complexes having the general molecular formula [Ru-parallel to(L-Y)(bpy)Cl](PF6) {L-Y = YC6H4N=NC(COCH3)=NC9H6N, Y = H (1), CH3 (2), Br (3), NO2 (4) and bpy = 2,2'-bipyrdine} were synthesized. The azoimine-quinoline based ligands behave as NN'N '' tridentate donors and coordinated to ruthenium via azo-N', imine-N' and quinolone-N '' nitrogen atoms. The composition of the complexes has been established by elemental analysis, spectral methods (FT-IR, electronic, H-1 NMR, UV/Vis and electrochemical (cyclic voltammetry) techniques. The crystal structure of complex 1 is reported. The Ru(II) oxidation state is greatly stabilized by the novel tridentate ligands, showing Ru(III/II) couples ranging from 0.93-1.27 V vs. Cp2Fe/Cp2Fe+. The absorption spectrum of 1 in dichloromethane was modeled by time-dependent density functional theory (TD-DFT). (C) 2014 Elsevier B.V. All rights reserved.
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收藏
页码：375 / 383
页数：9
相关论文
共 60 条
[1]  
AI-Noaimi M., 2007, POLYHEDRON, V26, P3675
[2]   Outer sphere perturbation of delocalized mixed-valence complexes [J].
Al-Noaimi, M ;
Yap, GPA ;
Crutchley, RJ .
INORGANIC CHEMISTRY, 2004, 43 (05) :1770-1778
[3]   Synthesis, structural characterization, and DFT investigation of azoimine-ruthenium complexes containing aromatic-nitrogen ligands [J].
Al-Noaimi, Mousa ;
El-Khateeb, Mohammad ;
Haddad, Salim F. ;
Sunjuk, Mahmoud ;
Crutchley, Robert J. .
POLYHEDRON, 2008, 27 (15) :3239-3246
[4]   trans-(2,2′-bipyridine)dichlorido-[1-(4-methylphenylimino)-1-(phenylhydrazono)propan-2-one]ruthenium(II) dichloromethane solvate [J].
Al-Noaimi, Mousa ;
El-Khateeb, Mohammad ;
Goerls, Helmar .
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, 2007, 63 :M2713-U760
[5]   Synthesis and structural characterization of asymmetric mononuclear ruthenium (II) complexes derived from 2-(1,2,3-thiadiazol-4-yl)pyridine and azoimine ligands [J].
Al-Noaimi, Mousa ;
El-Khateeb, Mohammad ;
Warad, Ismail ;
Haddad, Salim F. .
INORGANICA CHIMICA ACTA, 2013, 400 :20-25
[6]   cis-trans Isomerism in mixed-ligand ruthenium(II) complexes containing bis(phosphine) and azoimine ligands [J].
Al-Noaimi, Mousa ;
Sunjuk, Mahmoud ;
El-khateeb, Mohammad ;
Haddad, Salim F. ;
Haniyeh, Alaa ;
AlDamen, Murad .
POLYHEDRON, 2012, 42 (01) :66-73
[7]   Ruthenium complexes incorporating azoimine and α-diamine based ligands: Synthesis, crystal structure, electrochemistry and DFT calculation [J].
Al-Noaimi, Mousa ;
AlDamen, Murad A. .
INORGANICA CHIMICA ACTA, 2012, 387 :45-51
[8]   Ruthenium(II) complexes with tetradentate pyridylthioazoimine [N,S,N,N] ligands: Synthesis, crystal structure and spectroscopy [J].
Al-Noaimi, Mousa ;
Crutchley, Robert J. ;
AlDamen, Murad ;
Rawashdeh, Abdel Monem ;
Khanfar, Monther A. ;
Seppelt, Konrad .
POLYHEDRON, 2011, 30 (12) :2075-2082
[9]   X-ray structure, electronic properties and density functional calculations trans-Dihalo (1-(4-phenylimino)-1-(phenylhydrazono)-propan-2-one) (4,4′-di-tert-butyl-2,2-bipyridine) ruthenium(II) complexes [J].
Al-Noaimi, Mousa ;
Ali, Basem F. ;
Rawashdeh, Abdel Monem ;
Judeh, Zaher .
POLYHEDRON, 2010, 29 (17) :3214-3219
[10]   Ruthenium(II) 2,2′-bipyridine complexes incorporating substituted phenylazo-(2-(phenylthio))phenylmethine ancillary ligands. Synthesis, crystal structure, spectroscopic and redox properties [J].
Al-Noaimi, Mousa ;
El-khateeb, Mohammad ;
Haddad, Salim F. ;
Saadeh, Haytham .
TRANSITION METAL CHEMISTRY, 2010, 35 (07) :877-883
123456