Theoretical study of stability of dinitrosyl iron(<sc>i</sc>) complexes with thiocarbonyl ligands

被引:0
作者
Krapivin, V. B. [1 ]
Luzhkov, V. B. [1 ]
Sanina, N. A. [1 ,2 ]
机构
[1] Russian Acad Sci, Fed Res Ctr Problems Chem Phys & Med Chem, 1 Prosp Akad Semenova, Chernogolovka 142432, Moscow, Russia
[2] Lomonosov Moscow State Univ, Dept Fundamental Phys & Chem Engn, Build 51, 1 Leninskie Gory, Moscow 119991, Russia
关键词
nitrosyl iron complexes with thioligands; bond energies; thiocarbonyl compounds; hydrolysis; quantitative structure-activity correlation; reactivity indexes; IRON NITROSYL COMPLEXES; CHEMICAL HARDNESS; NITRIC-OXIDE; N-ETHYLTHIOUREA; GLUTATHIONE; HYDROLYSIS; MOLECULES; THIOLATE; RELEASE; HELA;
D O I
10.1007/s11172-024-4435-z
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The binding energies of thioligands L of the general formula S=CR1R2 in dinitrosyl iron complexes [Fe(NO)2L2]+ (DNICs) were calculated using density functional theory methods. The TPSSH functional with the def2-TZVP basis set and the PCM-SMD polarizable continuum model were used. The reactions of abstraction of 14 thioamide and thiocarbonyl ligands and their replacement with a H2O molecule in the gas phase and aqueous medium were studied. It is found that the bond energies in the gas phase do not accurately characterize the stability of DNICs because of the high energy of reorganization of the reaction products upon their transition into the aqueous phase. Analysis of the structure-activity correlations revealed linear regression dependences of Fe-S bond energies on partial charges on S atoms and electronegativity of thioligands.
引用
收藏
页码:3196 / 3203
页数:8
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