155Gd Mossbauer spectroscopic study of GdM (CN)6•4H2O (M = CrIII, FeIII and CoIII) and KGdM (CN)6•3H2O (M = FeII and RuII)

被引：0
|
作者：
Wang, JH [1 ]
Abe, J [1 ]
Kitazawa, T [1 ]
Takahashi, M [1 ]
Takeda, M [1 ]
机构：
[1] Toho Univ, Fac Sci, Dept Chem, Funabashi, Chiba 2748510, Japan
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 2002年 / 57卷 / 6-7期
关键词：
Gd-155 Mossbauer spectroscopy; quadrupole coupling constant; Gd(III) cyano polymeric complex; orthorhombic distortion;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Gd-155 Mossbauer spectroscopic studies of the title complexes have been performed. Although the Gd-155 isomer shifts (delta) varied scarcely, the quadrupole coupling constants (e(2)qQ) changed in the range 4.07-4.81 mm s(-1). The e(2)qQ values of KGdM(CN)(6) . 3H(2)O (M = Fe-II and Ru-II) are larger than those of GdM(CN)(6) . 4H(2)O (M = Cr-III, Fe-III, and Co-III), these values increasing with increasing orthorhombic distortion of the crystal structures. A relationship between the e(2)qQ values and the ionic radii of the transition metal ions has also been recognized.
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页码：581 / 585
页数：5
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