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Na4Sr2NbAs4

Alexandria ALEX

Alex-ID: agm020034149 · 空间群: Cc (#9)

基础信息

化学式
Na4Sr2NbAs4
Alex-ID
agm020034149
元素数
4
位点数
22
空间群
Cc (#9)
晶系
monoclinic
体积
621.13
ų
晶胞参数 a
7.6402
Å
晶胞参数 b
9.6776
Å
晶胞参数 c
9.6955
Å
α 角
60.05
°
β 角
90.26
°
γ 角
90.53
°

组成

元素组成(原子分数)
组成信息
化学式
Na4Sr2NbAs4
Na
8.00 · 36.4%
Sr
4.00 · 18.2%
Nb
2.00 · 9.1%
As
8.00 · 36.4%

能量与稳定性

凸包上方能量
0.0606
eV/atom
形成能
-0.6688
eV/atom
校正后总能量
-89.3599
eV
原始总能量
-89.3599
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.0004
eV
费米能级态密度
9.6031
总磁矩
1.8221
μB

其他信息

原型 ID

AB2C4D4_82_spg1

分解产物

Na5SrNbAs4 NaSrAs NbAs

计算时间

2025-03-05 06:47:32

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: agm020034149).

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 agm020034149
data_agm020034149
_cell_length_a     7.64018
_cell_length_b     9.67759
_cell_length_c     9.69552
_cell_angle_alpha  60.05254
_cell_angle_beta   90.25779
_cell_angle_gamma  90.52830
_cell_volume       621.13212
_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
  Na1 Na 0.61273 0.93325 0.53583 1.00000
  Na2 Na 0.11286 0.46945 0.46410 1.00000
  Na3 Na 0.79291 0.73224 0.13467 1.00000
  Na4 Na 0.76502 0.13129 0.14408 1.00000
  Na5 Na 0.77748 0.13466 0.72136 1.00000
  Na6 Na 0.26477 0.27474 0.85640 1.00000
  Na7 Na 0.29304 0.86648 0.86498 1.00000
  Na8 Na 0.27776 0.85640 0.27848 1.00000
  Sr1 Sr 0.60813 0.53263 0.52448 1.00000
  Sr2 Sr 0.61792 0.53113 0.94556 1.00000
  Sr3 Sr 0.10804 0.05720 0.47548 1.00000
  Sr4 Sr 0.11779 0.47670 0.05451 1.00000
  Nb1 Nb 0.49946 0.32695 0.33956 1.00000
  Nb2 Nb 0.99943 0.66649 0.66047 1.00000
  As1 As 0.82996 0.33968 0.32364 1.00000
  As2 As 0.32992 0.66320 0.67638 1.00000
  As3 As 0.88724 0.38093 0.81076 1.00000
  As4 As 0.90391 0.81050 0.80847 1.00000
  As5 As 0.89577 0.81291 0.37842 1.00000
  As6 As 0.40399 0.61902 0.19157 1.00000
  As7 As 0.38725 0.19175 0.18924 1.00000
  As8 As 0.39558 0.19141 0.62156 1.00000
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