Local coordination of Co2+ and Ni2+ cations in polyacrylate matrices

被引:4
|
作者
Trofimova N.N. [1 ]
Zubavichus Ya.V. [2 ,3 ]
Titova O.I. [1 ]
Karpyuk E.A. [1 ]
Ivanov V.A. [1 ]
Pomogailo A.D. [4 ]
Slovokhotov Yu.L. [1 ,3 ]
机构
[1] Moscow State University
[2] National Research Center Kurchatov Institute
[3] Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
[4] Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka
基金
俄罗斯基础研究基金会;
关键词
X ray absorption - Nickel compounds - Positive ions - Ion exchange;
D O I
10.3103/S1062873813090463
中图分类号
学科分类号
摘要
Parameters of the local coordination of Co2+ and Ni2+ cations in polymer matrices are determined by XAFS spectroscopy at the K edges of the corresponding elements. Ion-exchange complexes of Ni2+ and polymethacrylate, low-molecular acrylamide complexes [M(CH2=CHC(O) NH2)6](NO3)2 (M = Co or Ni), and products of their thermal polymerization are investigated. The final results are in agreement with the octahedral coordination of M atoms (average distances, 2.10-2.11 (Co-O) and 2.05-2.06 Å (Ni-O). © 2013 Allerton Press, Inc.
引用
收藏
页码:1127 / 1130
页数:3
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