X-ray photoelectron Fe3s and Fe3p spectra of polynuclear trimethylacetate iron complexes

被引:14
作者
Kochur, A. G. [1 ]
Ivanova, T. M. [2 ]
Shchukarev, A. V. [3 ]
Linko, R. V. [4 ]
Sidorov, A. A. [2 ]
Kiskin, M. A. [2 ]
Novotortsev, V. M. [2 ]
Eremenko, I. L. [2 ]
机构
[1] Rostov State Univ Transport Commun, Rostov Na Donu 344038, Russia
[2] RAS, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 11999, Russia
[3] Umea Univ, Dept Chem, S-90187 Umea, Sweden
[4] Peoples Friendship Univ, Moscow 117198, Russia
基金
俄罗斯基础研究基金会;
关键词
XPS; Iron polynuclear complexes; Magnetic properties; PHOTOEMISSION SPECTRA; MULTIPLET STRUCTURE; SPLITTINGS; MN;
D O I
10.1016/j.elspec.2010.03.011
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
X-ray photoelectron Fe3s and Fe3p spectra are employed to study the electron structure and the spin magnetic state of bi-, tri-, and hexa-nuclear trimethylacetate iron complexes. Assignment of the spectra is performed based on an isolated-ion Pauli-Fock calculation of Fe3s and Fe3p spectra of the Fe atoms in bi- and tri-valent states. Nonequivalent Fe(III) and Fe(II) atoms are detected in tri- and hexa-nuclear complexes. Paramagnetic-limit molecular magnetic moments are calculated using effective atomic magnetic moments obtained from spin-sensitive spectral characteristics. Comparison of those values with the magnetic measurements data demonstrates antiferromagnetic interaction within the complexes. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:21 / 26
页数:6
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