A manganese sulfite with extended metal-oxygen-metal bonds exhibiting hydrogen uptake

被引：5
|
作者：
Rao, K. Prabhakara [1 ]
Govindaraj, A. [1 ]
Rao, C. N. R. [1 ]
机构：
[1] Jawaharlal Nehru Ctr Adv Sci Res, CSIR, Ctr Excellence Chem, Chem & Phys Mat Unit, Bangalore 560064, Karnataka, India
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2007年 / 180卷 / 12期
关键词：
manganese sulfite; hydrothermal synthesis; x-ray diffraction; metal-oxygen-metal bonds; antiferromagnetism; hydrogen storage;
D O I：
10.1016/j.jssc.2007.10.022
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A manganese sulfite of the formula Mn-5(OH)(4)(SO3)(3) center dot 2H(2)O, I{a = 7.5759(7) angstrom, b = 8.4749(8) angstrom, c = 10.852(1) angstrom, beta = 100.732(2)degrees, Z = 2, space group = P2(1)/m (no. 11), R-1 = 0.0399 and wR(2) = 0. 1121 [for R indexes 1 > 2 sigma(I)]}, comprising Mn3O14 units and extended Mn-O-Mn bonds along the three dimensions has been synthesized under hydrothermal conditions. It has narrow channels along the b-axis and exhibits hydrogen storage of 2.1 wt% at 300 K and 134 bar. (c) 2007 Elsevier Inc. All rights reserved.
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页码：3571 / 3575
页数：5
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