Spin state solvomorphism in a series of rare S=1 manganese(iii) complexes

被引：24
作者：
Barker, Andrew [1 ]
Kelly, Conor T. [1 ]
Kuhne, Irina A. [1 ]
Hill, Stephen [2 ,3 ]
Krzystek, J. [2 ]
Wix, Paul [4 ,5 ]
Esien, Kane [6 ]
Felton, Solveig [6 ]
Muller-Bunz, Helge [1 ]
Morgan, Grace G. [1 ]
机构：
[1] UCD, Sch Chem, Dublin 4, Ireland
[2] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
[3] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA
[4] Univ Dublin, Trinity Coll Dublin, Sch Chem, Dublin 2, Ireland
[5] Univ Dublin, Trinity Coll Dublin, CRANN Inst, Dublin 2, Ireland
[6] Queens Univ Belfast, CNM, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland
来源：
DALTON TRANSACTIONS | 2019年 / 48卷 / 41期
基金：
爱尔兰科学基金会; 美国国家科学基金会;
关键词：
MAGNETIC-PROPERTIES; IRON(III) COMPLEX; CYANIDE COMPLEXES; CROSSOVER PROFILE; TRANSITION; IMIDAZOLATE; MODULATION; CHALLENGES; EXCHANGE;
D O I：
10.1039/c9dt02476j
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Structural, magnetic and spectroscopic data of four complex salts, [Mn(napsal(2)323)]NTf2, 1,[Mn(napsal(2)323)]ClO4, 2, [Mn(napsal(2)323)]BF4, 3 and [Mn(napsal(2)323)]NO3, 4, of the [Mn(napsal(2)323)](+) complex cation indicate that the Mn3+ ion is stabilized in the rare S = 1 spin triplet form in this ligand sphere. Zero-field splitting values of D = +19.6 cm(-1) and |E| = 2.02 cm(-1) for complex 1 were obtained by High Field Electron Paramagnetic Resonance (HFEPR) measurements conducted over a range of frequencies. Structural and magnetic data also indicate that co-crystallization of complexes 2 and 3 with 0.5 equivalents of ethanol yields the high spin S = 2 forms of the perchlorate and tetrafluoroborate solvates [Mn(napsal(2)323)]ClO(4)0.5(C2H5OH), 20.5EtOH and [Mn(napsal(2)323)]BF(4)0.5(C2H5OH), 30.5EtOH.
引用
收藏
页码：15560 / 15566
页数：7
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