Computational studies of metal carbonyl complexes of 3[4-ethyl(phenly)imino][indoline-2-one] and 3[4-butyl(phenly)imino][indoline-2-one]

被引:3
|
作者
Acar, Nursel [1 ]
Sener, Sevil [2 ]
机构
[1] Ege Univ, Dept Chem, Fac Sci, TR-35100 Izmir, Turkey
[2] Ege Univ, Aliaga Vocat Sch, Dept Chem Technol, TR-35800 Izmir, Turkey
关键词
Isatin; Schiff base; Metal carbonyl complex; Metal-ligand charge transfer; UV-Vis absorption spectra; Density functional theory; EFFECTIVE CORE POTENTIALS; N-MANNICH BASES; MOLECULAR CALCULATIONS; BETA-THIOSEMICARBAZONES; SCHIZOPYRENUS-RUSSELLI; CYSTICIDAL AGENTS; ANTIBACTERIAL; DERIVATIVES; ISATIN; ANTIFUNGAL;
D O I
10.1007/s00894-018-3709-5
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Use and application of Schiff bases are extended to many different fields of technology. (ISE)M(CO)(5) complex [M = Cr (1), Mo (2), W (3), and where ISE is 3[4-ethyl(phenly)imino][indoline-2-one]; and (ISB)M(CO)(5) [M = Cr (4), Mo (5), W (6)], where ISB is 3[4-butly(phenly)imino][indoline-2-one] were investigated by computational methods. Computations were carried out using density functional theory (DFT) with B3LYP and CAM-B3LYP functionals, in conjunction with LanL2DZ basis set for metals and cc-PVTZ basis set for other atoms. Time-dependent density functional theory (TDDFT) was used at the same level to obtain the electronic transitions. Molecular orbital energies, UV-Vis spectra, and total electron densities of investigated molecules were shown in the gas phase and in THF. Metal complexes showed higher absorption coefficients compared to ISE and ISB in the visible region. Additionally, they displayed absorption peaks at longer wavelengths and full MLCT character in solution, and W complexes required less energy compared to the complexes of other investigated metal ions. Among the investigated systems, (ISE)W(CO)(5) and (ISB)W(CO)(5) complexes with lowest HOMO-LUMO gaps are found to be the best candidates for photosensitive material production.
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页数:12
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