High-Temperature Spin Crossover in Complexes of Iron(II) closo-Borates with 2,6-Bis(benzimidazol-2-yl)pyridine

被引:14
作者
Ivanova, A. D. [1 ]
Lavrenova, L. G. [1 ,2 ]
Korotaev, E. V. [1 ]
Trubina, S. V. [1 ]
Sheludyakova, L. A. [1 ]
Petrov, S. A. [3 ]
Zhizhin, K. Yu. [4 ]
Kuznetsov, N. T. [4 ]
机构
[1] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
[2] Novosibirsk Natl Res State Univ, Novosibirsk 630090, Russia
[3] Russian Acad Sci, Siberian Branch, Inst Solid State Chem, Novosibirsk 630128, Russia
[4] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
基金
俄罗斯科学基金会;
关键词
synthesis; complexes; iron(II); 2; 6-bis(benzimidazol-2-yl)pyridine; cluster boron anions; electronic; IR; and EXAFS spectroscopy; XRD; spin crossover; TRANSITION MOLECULAR MATERIALS; BORON CLUSTER ANIONS; CHEMISTRY;
D O I
10.1134/S0036023620110078
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
New iron(II) complexes with 2,6-bis(benzimidazol-2-yl)pyridine (L) and closo-borate(2-) anions-[FeL2][B10H10] . 2H(2)O and [FeL2][B12H12] . H2O-have been synthesized. The complexes have been characterized by static magnetic susceptibility measurements, electronic (diffuse reflectance spectra), IR, and EXAFS spectroscopy, and X-ray diffraction analysis. A study of the mu(eff)(T) dependence in the temperature range 80-500 K has shown that the complexes exhibit a high-temperature spin crossover (1)A(1) double left right arrow T-5(2).
引用
收藏
页码:1687 / 1694
页数:8
相关论文
共 25 条
[1]   Coordination chemistry of iron triad metals with organic N-donor ligands and boron cluster anions [B10H10]2-, [B12H12]2-, and [B10Cl10]2-: Complexation and accompanying processes [J].
Avdeeva, V. V. ;
Malinina, E. A. ;
Kuznetsov, N. T. .
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY, 2017, 62 (13) :1673-1702
[2]   Fascinating variability in the chemistry and properties of 2,6-bis-(benzimidazol-2-yl)-pyridine and 2,6-bis-(benzthiazol-2-yl)-pyridine and their complexes [J].
Boca, Miroslav ;
Jameson, Reginald F. ;
Linert, Wolfgang .
COORDINATION CHEMISTRY REVIEWS, 2011, 255 (1-2) :290-317
[3]   Spin crossover in bis(2,6-bis(benzimidazol-2yl)pyridine)iron(II) tetraphenylborate [J].
Boca, R ;
Baran, P ;
Boca, M ;
Dlhan, L ;
Fuess, H ;
Haase, W ;
Linert, W ;
Papankova, B ;
Werner, R .
INORGANICA CHIMICA ACTA, 1998, 278 (02) :190-196
[4]   Complexes Fe(HTrz)3B10H10 • H2O and Fe(NH2Trz)3B10H10 • H2O (HTrz=1,2,4-triazole and NH2Trz=4-amino-1,2,4-triazole).: The spin transition 1A1 ⇆ 5T2 in Fe(HTrz)3B10H10 • H2O [J].
Bushuev, M. B. ;
Lavrenova, L. G. ;
Shvedenkov, Yu. G. ;
Varnek, V. A. ;
Sheludyakova, L. A. ;
Volkov, V. V. ;
Larionov, S. V. .
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY, 2008, 34 (03) :190-194
[5]   Spin crossover in iron(II) complexes of 3,4,5-tri-substituted-1,2,4-triazole (Rdpt), 3,5-di-substituted-1,2,4-triazolate (dpt-), and related ligands [J].
Feltham, Humphrey L. C. ;
Barltrop, Alexis S. ;
Brooker, Sally .
COORDINATION CHEMISTRY REVIEWS, 2017, 344 :26-53
[6]   Properties of [Fe(Salten)Cl] Being a Precursor for Spin-Crossover Compounds in Polycrystals and Vitrified Acetonitrile Solutions [J].
Frolova, E. N. ;
Ivanova, T. A. ;
Turanova, O. A. ;
Mingalieva, L., V ;
Shustov, V. A. ;
Zueva, E. M. ;
Petrova, M. M. ;
Gubaidullin, A. T. ;
Ovchinnikov, I., V .
RUSSIAN JOURNAL OF INORGANIC CHEMISTRY, 2018, 63 (08) :1012-1018
[7]  
Gutlich P., 2004, SPIN CROSSOVER TRANS, DOI [DOI 10.1007/B83735, 10.1007/b83735]
[8]  
Halcrow M. A., 2013, Spin-Crossover Materials: Properties and Applications
[9]   Ligand field theoretical considerations [J].
Hauser, A .
SPIN CROSSOVER IN TRANSITION METAL COMPOUNDS I, 2004, 233 :49-58
[10]   New horizons for therapy based on the boron neutron capture reaction [J].
Hawthorne, MF .
MOLECULAR MEDICINE TODAY, 1998, 4 (04) :174-181