Ba4[Mn3N6], a Quasi-One-Dimensional Mixed-Valent Nitridomanganate (II, IV)

被引：6

作者：

Ovchinnikov, Alexander ^{[1
,2
]}

Bobnar, Matej ^{[1
]}

Prots, Yurii ^{[1
]}

Schnelle, Walter ^{[1
]}

Hoehn, Peter ^{[1
]}

Grin, Yuri ^{[1
]}

机构：

[1] Max Planck Inst Chem Phys Fester Stoffe, Nothnitzer Str 40, D-01187 Dresden 40, Germany

[2] Univ Delaware, Dept Chem & Biochem, Newark, DE 19716 USA

来源：

CRYSTALS | 2018年 / 8卷 / 06期

关键词：

nitridometalate; crystal structure; powder diffraction; magnetism; SINGLE-CRYSTAL GROWTH; QUATERNARY NITRIDE; CHAINS;

D O I：

10.3390/cryst8060235

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The mixed-valent nitridomanganate Ba-4[Mn3N6] was prepared using a gas-solid high temperature route. The crystal structure was determined employing high resolution synchrotron powder diffraction data: space group Pbcn, a = 9.9930(1) angstrom, b = 6.17126(8) angstrom, c = 14.4692(2) angstrom, V = 892.31(2) angstrom(3), Z = 4. The manganese atoms in the structure of Ba-4[Mn3N6] are four-fold coordinated by nitrogen forming infinite corrugated chains of edge-sharing [MnN4] tetrahedra. The chains demonstrate a complete charge order of Mn species. Magnetization measurements and first principle calculations indicate quasi-one dimensional magnetic behavior. In addition, chemical bonding analysis revealed pronounced Mn-Mn interactions along the chains.

引用

页数：14

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