Np(V) dicyanamide complexes with electroneutral N-donor ligands

被引：4
|
作者：
Grigoriev, Mikhail S. [1 ]
Charushnikova, Iraida A. [1 ]
Fedoseev, Alexandr M. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, 31,Bldg 4, Moscow 119071, Russia
来源：
RADIOCHIMICA ACTA | 2023年 / 111卷 / 01期
关键词：
actinides; crystal structure; dicyanamides; neptunium; CRYSTAL-STRUCTURE; THIOCYANATE COMPLEXES; LANTHANIDES; GLYCOLATE;
D O I：
10.1515/ract-2022-0033
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Three new complexes of Np(V) dicyanamide with electroneutral N-donor ligands have been synthesized and structurally characterized: two with terpyridine derivatives: [(NpO2)(Cl-Terpy)(DMA)(N(CN)(2))]center dot 0.5DMA (1), [(NpO2)(TPTZ)(N(CN)(2))(H2O)]center dot 2H(2)O center dot CH3OH (2) and a dimeric complex with bipyridine [(NpO2)(Bipy)(N(CN)(2))(H2O)](2)center dot 2(CH3OH) (3). In compounds 1-3, the coordination polyhedra of Np atoms are pentagonal bipyramids with "yl" oxygen atoms in apical positions. The equatorial plane of the bipyramids is formed by nitrogen atoms of the anions [N(CN)(2)](-) and N-donor electroneutral ligands (Cl-Terpy, TPTZ, Bipy) and the oxygen atom of water molecule (1, 3) or DMA (2). In compounds 1 and 2, the [N(CN)(2)](-) anions manifest themselves as monodentate ligands, and in compound 3 dicyanamide is a bidentate-bridging ligand.
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页码：43 / 52
页数：10
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