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K2UPbBr8

Alexandria ALEX

Alex-ID: agm004909019 · 空间群: P2/m (#10)

基础信息

化学式
K2UPbBr8
Alex-ID
agm004909019
元素数
4
位点数
12
空间群
P2/m (#10)
晶系
monoclinic
体积
496.06
ų
晶胞参数 a
7.6105
Å
晶胞参数 b
7.1042
Å
晶胞参数 c
9.1856
Å
α 角
89.93
°
β 角
90.09
°
γ 角
92.75
°

组成

元素组成(原子分数)
组成信息
化学式
K2UPbBr8
K
2.00 · 16.7%
U
1.00 · 8.3%
Pb
1.00 · 8.3%
Br
8.00 · 66.7%

能量与稳定性

凸包上方能量
0.0494
eV/atom
形成能
-1.3415
eV/atom
校正后总能量
-46.6817
eV
原始总能量
-46.6817
eV

电子结构

间接带隙
0.1305
eV
直接带隙
0.1633
eV
费米能级态密度
5.4818
总磁矩
2.0000
μB

其他信息

原型 ID

ABC2D8_356_spg65

分解产物

K2UBr6 PbBr2

计算时间

2023-01-08 20:52:21.943303

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: agm004909019).

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 agm004909019
data_agm004909019
_cell_length_a     7.61050
_cell_length_b     7.10421
_cell_length_c     9.18560
_cell_angle_alpha  89.92992
_cell_angle_beta   90.08824
_cell_angle_gamma  92.74963
_cell_volume       496.06140
_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
  K1 K 0.49992 0.50044 0.74603 1.00000
  K2 K 0.50008 0.49956 0.25397 1.00000
  U1 U 0.00000 0.00000 0.00000 1.00000
  Pb1 Pb 0.00000 0.00000 0.50000 1.00000
  Br1 Br 0.12972 0.77515 0.22445 1.00000
  Br2 Br 0.68842 0.78215 0.00027 1.00000
  Br3 Br 0.86691 0.22281 0.22421 1.00000
  Br4 Br 0.87028 0.22485 0.77555 1.00000
  Br5 Br 0.31158 0.21785 0.99973 1.00000
  Br6 Br 0.13309 0.77719 0.77579 1.00000
  Br7 Br 0.67671 0.75842 0.50003 1.00000
  Br8 Br 0.32329 0.24158 0.49997 1.00000
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