Ba3Nb2O7

Alexandria ALEX

Alex-ID: agm002175603 · 空间群: I4/mmm (#139)

Alexandria Database API

基础信息

化学式

Ba3Nb2O7

Alex-ID

agm002175603

元素数

位点数

空间群

I4/mmm (#139)

晶系

tetragonal

体积

188.64

Å³

晶胞参数 a

4.1563

晶胞参数 b

4.1563

晶胞参数 c

11.3088

α 角

100.60

β 角

100.60

γ 角

89.97

组成

元素组成（原子分数）

组成信息

化学式

Ba3Nb2O7

2.00 · 16.7%

3.00 · 25.0%

7.00 · 58.3%

能量与稳定性

凸包上方能量

0.0002

eV/atom

形成能

-3.1337

eV/atom

校正后总能量

-98.2199

原始总能量

-93.3039

电子结构

间接带隙

0.0000

直接带隙

0.0121

费米能级态密度

4.1423

总磁矩

-0.0007

μB

其他信息

原型 ID

A2B3C7_1_spg139

分解产物

Ba4Nb3O10 Ba4Nb2O9 Nb

计算时间

2023-03-26 13:41:30.325728

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: agm002175603).

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 agm002175603
data_agm002175603
_cell_length_a     4.15628
_cell_length_b     4.15628
_cell_length_c     11.30877
_cell_angle_alpha  100.59516
_cell_angle_beta   100.59517
_cell_angle_gamma  89.96724
_cell_volume       188.63859
_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
  Nb1 Nb 0.40454 0.40454 0.80908 1.00000
  Nb2 Nb 0.59546 0.59546 0.19092 1.00000
  Ba1 Ba 0.00000 0.00000 0.00000 1.00000
  Ba2 Ba 0.18500 0.18500 0.37000 1.00000
  Ba3 Ba 0.81500 0.81500 0.63000 1.00000
  O1 O 0.90479 0.40479 0.80958 1.00000
  O2 O 0.50000 0.50000 0.00000 1.00000
  O3 O 0.30904 0.30904 0.61807 1.00000
  O4 O 0.59521 0.09521 0.19042 1.00000
  O5 O 0.40479 0.90479 0.80958 1.00000
  O6 O 0.69096 0.69096 0.38193 1.00000
  O7 O 0.09521 0.59521 0.19042 1.00000

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