Pr2Be2SiO7

Alexandria ALEX

Alex-ID: agm034874849 · 空间群: P-42_1m (#113)

Alexandria Database API

基础信息

化学式

Pr2Be2SiO7

Alex-ID

agm034874849

元素数

位点数

空间群

P-42_1m (#113)

晶系

tetragonal

体积

281.67

Å³

晶胞参数 a

7.5571

晶胞参数 b

7.5571

晶胞参数 c

4.9321

α 角

90.00

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

Pr2Be2SiO7

4.00 · 16.7%

2.00 · 8.3%

14.00 · 58.3%

能量与稳定性

凸包上方能量

0.0000

eV/atom

形成能

-3.5115

eV/atom

校正后总能量

-198.5587

原始总能量

-188.7266

电子结构

间接带隙

4.9682

直接带隙

4.9682

费米能级态密度

0.0000

总磁矩

0.0000

μB

其他信息

原型 ID

AB2C2D7_2_spg18

分解产物

Pr2Be2SiO7

计算时间

2024-11-03 11:07:52.283890

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: agm034874849).

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 | 拖拽旋转 · 滚轮缩放 · 右键平移

原始 CIF 数据

# CIF generated by HEAS from Alexandria entry agm034874849
data_agm034874849
_cell_length_a     7.55712
_cell_length_b     7.55712
_cell_length_c     4.93206
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       281.67018
_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
  Pr1 Pr 0.16087 0.33913 0.00588 1.00000
  Pr2 Pr 0.83913 0.66087 0.00588 1.00000
  Pr3 Pr 0.66087 0.16087 0.99412 1.00000
  Pr4 Pr 0.33913 0.83913 0.99412 1.00000
  Be1 Be 0.63445 0.86555 0.46495 1.00000
  Be2 Be 0.36555 0.13445 0.46495 1.00000
  Be3 Be 0.13445 0.63445 0.53505 1.00000
  Be4 Be 0.86555 0.36555 0.53505 1.00000
  Si1 Si 0.00000 0.00000 0.50000 1.00000
  Si2 Si 0.50000 0.50000 0.50000 1.00000
  O1 O 0.00000 0.50000 0.66824 1.00000
  O2 O 0.50000 0.00000 0.33176 1.00000
  O3 O 0.64053 0.85947 0.78665 1.00000
  O4 O 0.35947 0.14053 0.78665 1.00000
  O5 O 0.14053 0.64053 0.21335 1.00000
  O6 O 0.85947 0.35947 0.21335 1.00000
  O7 O 0.07641 0.83542 0.68826 1.00000
  O8 O 0.92359 0.16458 0.68826 1.00000
  O9 O 0.16458 0.07641 0.31174 1.00000
  O10 O 0.42359 0.33542 0.31174 1.00000
  O11 O 0.83542 0.92359 0.31174 1.00000
  O12 O 0.57641 0.66458 0.31174 1.00000
  O13 O 0.33542 0.57641 0.68826 1.00000
  O14 O 0.66458 0.42359 0.68826 1.00000

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