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Ca3AlSi2

Alexandria ALEX

Alex-ID: agm005674480 · 空间群: P2_1/c (#14)

基础信息

化学式
Ca3AlSi2
Alex-ID
agm005674480
元素数
3
位点数
24
空间群
P2_1/c (#14)
晶系
monoclinic
体积
604.23
ų
晶胞参数 a
8.4230
Å
晶胞参数 b
8.9181
Å
晶胞参数 c
9.5799
Å
α 角
90.00
°
β 角
122.90
°
γ 角
90.00
°

组成

元素组成(原子分数)
组成信息
化学式
Ca3AlSi2
Ca
12.00 · 50.0%
Al
4.00 · 16.7%
Si
8.00 · 33.3%

能量与稳定性

凸包上方能量
0.0713
eV/atom
形成能
-0.3999
eV/atom
校正后总能量
-91.9892
eV
原始总能量
-91.9892
eV

电子结构

间接带隙
0.1168
eV
直接带隙
0.1732
eV
费米能级态密度
0.9325
总磁矩
0.0000
μB

其他信息

原型 ID

AB2C3_2094_spg14

分解产物

Ca5Si3 CaAl2 CaSi

计算时间

2023-08-07 06:31:51.547908

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: agm005674480).

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 agm005674480
data_agm005674480
_cell_length_a     8.42303
_cell_length_b     8.91806
_cell_length_c     9.57995
_cell_angle_alpha  90.00000
_cell_angle_beta   122.89664
_cell_angle_gamma  90.00000
_cell_volume       604.22786
_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
  Ca1 Ca 0.40287 0.90420 0.16218 1.00000
  Ca2 Ca 0.09713 0.40420 0.33782 1.00000
  Ca3 Ca 0.59713 0.09580 0.83782 1.00000
  Ca4 Ca 0.90287 0.59580 0.66218 1.00000
  Ca5 Ca 0.48695 0.50863 0.27599 1.00000
  Ca6 Ca 0.01305 0.00863 0.22401 1.00000
  Ca7 Ca 0.51305 0.49137 0.72401 1.00000
  Ca8 Ca 0.98695 0.99137 0.77599 1.00000
  Ca9 Ca 0.73323 0.67133 0.11592 1.00000
  Ca10 Ca 0.76677 0.17133 0.38408 1.00000
  Ca11 Ca 0.26677 0.32867 0.88408 1.00000
  Ca12 Ca 0.23323 0.82867 0.61592 1.00000
  Al1 Al 0.56925 0.85457 0.52734 1.00000
  Al2 Al 0.93075 0.35457 0.97266 1.00000
  Al3 Al 0.43075 0.14543 0.47266 1.00000
  Al4 Al 0.06925 0.64543 0.02734 1.00000
  Si1 Si 0.79374 0.82997 0.41887 1.00000
  Si2 Si 0.70626 0.32997 0.08113 1.00000
  Si3 Si 0.20626 0.17003 0.58113 1.00000
  Si4 Si 0.29374 0.67003 0.91887 1.00000
  Si5 Si 0.24323 0.70754 0.33632 1.00000
  Si6 Si 0.25677 0.20754 0.16368 1.00000
  Si7 Si 0.75677 0.29246 0.66368 1.00000
  Si8 Si 0.74323 0.79246 0.83632 1.00000
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