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yuxf

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[求助] 求GdMn2O5的原子坐标 已有2人参与

只找到了晶格常数和空间群,求大神帮忙找下原子坐标
先谢谢啦~
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valenhou001

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3楼: Originally posted by valenhou001 at 2014-12-03 09:33:59
GdMn2O5 crystallizes in the centrosymmetric Pbam space group. Manganese ions are found in
two oxidation states, Mn4+ (Wyckoff position 4f, 0,0.5,0.2551) and Mn3+ (Wyckoff position
4h,0. ...

从“Magnetic phase diagram and ordered ground state of GdMn O multiferroic studied by x-ray magnetic scattering”一文里拷贝而来。
4楼2014-12-03 08:34:59
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valenhou001

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【答案】应助回帖

★ ★ ★ ★ ★
感谢参与,应助指数 +1
yuxf(ljw4010代发): 金币+5, 谢谢指导解答! 2014-12-03 21:12:24
从附件的文献里,相信你能得到答案!
GdMn2O5 Crystal Structure
General Information

    Phase Label(s): GdMn2O5
    Structure Class(s): –
    Classification by Property(s): intermediate valence
    Mineral Name(s): –
    Pearson Symbol: oP32
    Space Group: 55
    Phase Prototype: DyMn2O5


1. Crystal Structure of Paramagnetic DyMn2O5 at 298°K
    S. C. Abrahams1 and J. L. Bernstein1
    J. Chem. Phys. 46, 3776 (1967)

2. C Vecchini et al 2014 J. Phys.: Conf. Ser. 519 012004 doi:10.1088/1742-6596/519/1/012004
Magnetic phase diagram and ordered ground state of GdMn2O5 multiferroic studied by x-ray magnetic scattering
C Vecchini1,2, A Bombardi1, L C Chapon3,4, N Lee5, P G Radaelli6 and S-W Cheong5

3. C Wilkinson et al 1981 J. Phys. C: Solid State Phys. 14 1671 doi:10.1088/0022-3719/14/11/027
The antiferromagnetic structure of DyMn2O5 at 4.2K
C Wilkinson, F Sinclair, P Gardner, J B Forsyth and B M R Wanklyn

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  • 附件 1 : 1742-6596_519_1_012004.pdf
  • 2014-12-03 08:24:38, 2.41 M
  • 附件 2 : 1.1840450.pdf
  • 2014-12-03 08:25:47, 802.37 K
  • 附件 3 : 0022-3719_14_11_027.pdf
  • 2014-12-03 08:27:17, 755.51 K
  • 附件 4 : 177.pdf
  • 2014-12-03 08:27:55, 2.05 M
2楼2014-12-03 08:28:32
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valenhou001

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GdMn2O5 crystallizes in the centrosymmetric Pbam space group. Manganese ions are found in
two oxidation states, Mn4+ (Wyckoff position 4f, 0,0.5,0.2551) and Mn3+ (Wyckoff position
4h,0.4118,0.3518,0.5), respectively in octahedral and square-pyramidal environments. The
octahedra share edges to form chains along the c-axis. In the ab-plane, Mn polyhedra share
edges and corners to form layers that can be viewed as an alternate stacking along b of ziz-zag
...Mn4+-Mn3+-Mn3+-Mn4+... chains running along the a-axis. The Gd3+ cations form GdO8
polyhedra which are located on position 4g (0.1395,0.1716,0) and separate the adjacent ”Mn”
ab-layers.
3楼2014-12-03 08:33:59
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valenhou001

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【答案】应助回帖

GdMn2O5的原子坐标。
求GdMn2O5的原子坐标
5楼2014-12-03 08:38:46
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