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Pm2Er4Se9

Alexandria ALEX

Alex-ID: agm005642465 · 空间群: P-3c1 (#165)

基础信息

化学式
Pm2Er4Se9
Alex-ID
agm005642465
元素数
3
位点数
30
空间群
P-3c1 (#165)
晶系
trigonal
体积
882.54
ų
晶胞参数 a
7.2332
Å
晶胞参数 b
7.2324
Å
晶胞参数 c
19.4810
Å
α 角
90.00
°
β 角
90.00
°
γ 角
60.00
°

组成

元素组成(原子分数)
组成信息
化学式
Pm2Er4Se9
Pm
4.00 · 13.3%
Er
8.00 · 26.7%
Se
18.00 · 60.0%

能量与稳定性

凸包上方能量
0.0482
eV/atom
形成能
-1.8385
eV/atom
校正后总能量
-173.4917
eV
原始总能量
-173.4917
eV

电子结构

间接带隙
1.9989
eV
直接带隙
2.2080
eV
费米能级态密度
0.0000
总磁矩
0.0000
μB

其他信息

原型 ID

A2B4C9_0_spg9

分解产物

Pm2Se3 Er2Se3

计算时间

2023-06-16 23:50:37.803610

引用参考

Alexandria 官方页面
https://alexandria.icams.rub.de/
参考引用

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm005642465).

文献引用

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

晶体结构 3D 渲染

加载 3D 结构...

样式: Ball & Stick
原始 CIF 数据
# CIF generated by HEAS from Alexandria entry agm005642465
data_agm005642465
_cell_length_a     7.23316
_cell_length_b     7.23236
_cell_length_c     19.48099
_cell_angle_alpha  89.99905
_cell_angle_beta   90.00050
_cell_angle_gamma  59.99646
_cell_volume       882.53997
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Pm1 Pm 0.99982 0.99997 0.35088 1.00000
  Pm2 Pm 0.99981 0.00002 0.14910 1.00000
  Pm3 Pm 0.00018 0.00003 0.64912 1.00000
  Pm4 Pm 0.00019 0.99998 0.85090 1.00000
  Er1 Er 0.33338 0.33335 0.98708 1.00000
  Er2 Er 0.33327 0.33336 0.48709 1.00000
  Er3 Er 0.66662 0.66665 0.01292 1.00000
  Er4 Er 0.33310 0.33336 0.18164 1.00000
  Er5 Er 0.66673 0.66664 0.51291 1.00000
  Er6 Er 0.66646 0.66663 0.31837 1.00000
  Er7 Er 0.33354 0.33337 0.68163 1.00000
  Er8 Er 0.66690 0.66664 0.81836 1.00000
  Se1 Se 0.00029 0.31124 0.75001 1.00000
  Se2 Se 0.31151 0.68875 0.74999 1.00000
  Se3 Se 0.68899 0.00003 0.75000 1.00000
  Se4 Se 0.99971 0.68876 0.24999 1.00000
  Se5 Se 0.68849 0.31125 0.25001 1.00000
  Se6 Se 0.31101 0.99997 0.25000 1.00000
  Se7 Se 0.65234 0.97422 0.41643 1.00000
  Se8 Se 0.97418 0.37322 0.41646 1.00000
  Se9 Se 0.37315 0.65265 0.41650 1.00000
  Se10 Se 0.62654 0.02582 0.08357 1.00000
  Se11 Se 0.34743 0.62672 0.08355 1.00000
  Se12 Se 0.02585 0.34734 0.08350 1.00000
  Se13 Se 0.34766 0.02578 0.58357 1.00000
  Se14 Se 0.02582 0.62678 0.58354 1.00000
  Se15 Se 0.62685 0.34735 0.58350 1.00000
  Se16 Se 0.37346 0.97418 0.91643 1.00000
  Se17 Se 0.65257 0.37328 0.91645 1.00000
  Se18 Se 0.97415 0.65266 0.91650 1.00000
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