Effect of the solvent on the formation of new oxovanadium(IV) complexes with pentafluorobenzoate anions and 1,10-phenanthroline

被引：2

作者：

Bazhina, Evgeniya S. ^{[1
]}

Kiskin, Mikhail A. ^{[1
]}

Babeshkin, Konstantin A. ^{[1
]}

Efimov, Nikolay N. ^{[1
]}

Fedin, Matvey V. ^{[2
]}

Eremenko, Igor L. ^{[1
]}

机构：

[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Leninsky prosp 31, Moscow 119991, Russia

[2] Russian Acad Sci, Int Tomog Ctr, Siberian Branch, Institutskaya St 3a, Novosibirsk 630090, Russia

来源：

INORGANICA CHIMICA ACTA | 2023年 / 544卷

关键词：

Oxovanadium(IV) complexes; Pentafluorobenzoate; 1; 10-phenanthroline; Crystal structure; Magnetic susceptibility; EPR spectroscopy; CRYSTAL-STRUCTURE; METAL; LIGANDS; LI; FE; MOLECULES; EXCHANGE; LITHIUM; MG;

D O I：

10.1016/j.ica.2022.121238

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Depending on the solvent ratio MeCN: EtOH, the reaction of [VO(H2O)5](otf)2 (otf = O3SCF3) with 1,10-phenan-throline (phen) and lithium pentafluorobenzoate (Li(O2C2C6F5) = Li(pfbz)) affords crystals of heteronuclear compound [Li2(VO)2(mu-pfbz)6(phen)2]center dot 2MeCN (1), mononuclear complex [VO(pfbz)(phen)2](otf) (2) and binu-clear complex [(VO)2(mu-OH)(mu-pfbz)2(phen)2](otf)center dot MeCN center dot H2O (3). The structures of new compounds 1-3 were determined by X-ray diffraction. According to magnetochemical and EPR spectroscopy data, the paramagnetic VIV centers in structures 1 and 2 are magnetically isolated, and in compound 3, spin-spin antiferromagnetic exchange interactions between vanadium ions are realized (J = -138 cm- 1).

引用

页数：6

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