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BaCaFeSi2O7

Alexandria ALEX

Alex-ID: agm010905616 · 空间群: P2_1 (#4)

基础信息

化学式
BaCaFeSi2O7
Alex-ID
agm010905616
元素数
5
位点数
24
空间群
P2_1 (#4)
晶系
monoclinic
体积
354.86
ų
晶胞参数 a
8.3313
Å
晶胞参数 b
5.2319
Å
晶胞参数 c
8.1456
Å
α 角
88.12
°
β 角
90.00
°
γ 角
90.00
°

组成

元素组成(原子分数)
组成信息
化学式
BaCaFeSi2O7
Ba
2.00 · 8.3%
Ca
2.00 · 8.3%
Fe
2.00 · 8.3%
Si
4.00 · 16.7%
O
14.00 · 58.3%

能量与稳定性

凸包上方能量
0.0190
eV/atom
形成能
-3.1362
eV/atom
校正后总能量
-191.1513
eV
原始总能量
-175.8532
eV

电子结构

间接带隙
2.9365
eV
直接带隙
2.9365
eV
费米能级态密度
0.0000
总磁矩
8.0000
μB

其他信息

原型 ID

ABCD2E7_107_spg4

分解产物

Ba2FeSi2O7 CaSiO3 CaFeSiO4

计算时间

2024-04-10 10:36:34.196905

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: agm010905616).

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 agm010905616
data_agm010905616
_cell_length_a     8.33127
_cell_length_b     5.23190
_cell_length_c     8.14558
_cell_angle_alpha  88.11506
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       354.86061
_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
  Ba1 Ba 0.83157 0.52090 0.90941 1.00000
  Ba2 Ba 0.33157 0.47910 0.09059 1.00000
  Ca1 Ca 0.19400 0.48346 0.58934 1.00000
  Ca2 Ca 0.69400 0.51654 0.41066 1.00000
  Fe1 Fe 0.50521 0.01155 0.74134 1.00000
  Fe2 Fe 0.00521 0.98845 0.25866 1.00000
  Si1 Si 0.35840 0.92681 0.40392 1.00000
  Si2 Si 0.85840 0.07319 0.59608 1.00000
  Si3 Si 0.63647 0.96543 0.13550 1.00000
  Si4 Si 0.13647 0.03457 0.86450 1.00000
  O1 O 0.99997 0.16039 0.73171 1.00000
  O2 O 0.49997 0.83961 0.26829 1.00000
  O3 O 0.41695 0.77438 0.57301 1.00000
  O4 O 0.91695 0.22562 0.42699 1.00000
  O5 O 0.58296 0.85496 0.95717 1.00000
  O6 O 0.08296 0.14504 0.04283 1.00000
  O7 O 0.30006 0.19041 0.80743 1.00000
  O8 O 0.80006 0.80959 0.19257 1.00000
  O9 O 0.69393 0.22225 0.65428 1.00000
  O10 O 0.19393 0.77775 0.34572 1.00000
  O11 O 0.34092 0.23377 0.40731 1.00000
  O12 O 0.84092 0.76623 0.59269 1.00000
  O13 O 0.63958 0.27402 0.14528 1.00000
  O14 O 0.13958 0.72598 0.85472 1.00000
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