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K7TaAs4

Alexandria ALEX

Alex-ID: agm020046353 · 空间群: Pnma (#62)

基础信息

化学式
K7TaAs4
Alex-ID
agm020046353
元素数
3
位点数
48
空间群
Pnma (#62)
晶系
orthorhombic
体积
1,631.07
ų
晶胞参数 a
8.4486
Å
晶胞参数 b
10.2886
Å
晶胞参数 c
18.7642
Å
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
K7TaAs4
K
28.00 · 58.3%
Ta
4.00 · 8.3%
As
16.00 · 33.3%

能量与稳定性

凸包上方能量
0.0027
eV/atom
形成能
-0.4668
eV/atom
校正后总能量
-175.0709
eV
原始总能量
-175.0709
eV

电子结构

间接带隙
0.8135
eV
直接带隙
0.8135
eV
费米能级态密度
-0.5032
总磁矩
0.0000
μB

其他信息

原型 ID

AB4C7_1017_spg62

分解产物

K7TaAs4

计算时间

2024-11-10 10:42:47.025348

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: agm020046353).

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 agm020046353
data_agm020046353
_cell_length_a     8.44864
_cell_length_b     10.28857
_cell_length_c     18.76420
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1631.06675
_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
  K1 K 0.43602 0.75000 0.99145 1.00000
  K2 K 0.56398 0.25000 0.00855 1.00000
  K3 K 0.93602 0.25000 0.50855 1.00000
  K4 K 0.06398 0.75000 0.49145 1.00000
  K5 K 0.71062 0.53338 0.91386 1.00000
  K6 K 0.28938 0.46662 0.08614 1.00000
  K7 K 0.21062 0.46662 0.58614 1.00000
  K8 K 0.28938 0.03338 0.08614 1.00000
  K9 K 0.78938 0.53338 0.41386 1.00000
  K10 K 0.71062 0.96662 0.91386 1.00000
  K11 K 0.78938 0.96662 0.41386 1.00000
  K12 K 0.21062 0.03338 0.58614 1.00000
  K13 K 0.51981 0.54692 0.73713 1.00000
  K14 K 0.48019 0.45308 0.26287 1.00000
  K15 K 0.01981 0.45308 0.76287 1.00000
  K16 K 0.48019 0.04692 0.26287 1.00000
  K17 K 0.98019 0.54692 0.23713 1.00000
  K18 K 0.51981 0.95308 0.73713 1.00000
  K19 K 0.98019 0.95308 0.23713 1.00000
  K20 K 0.01981 0.04692 0.76287 1.00000
  K21 K 0.18696 0.75000 0.83719 1.00000
  K22 K 0.81304 0.25000 0.16281 1.00000
  K23 K 0.68696 0.25000 0.66281 1.00000
  K24 K 0.31304 0.75000 0.33719 1.00000
  K25 K 0.53202 0.75000 0.55649 1.00000
  K26 K 0.46798 0.25000 0.44351 1.00000
  K27 K 0.03202 0.25000 0.94351 1.00000
  K28 K 0.96798 0.75000 0.05649 1.00000
  Ta1 Ta 0.90711 0.75000 0.66296 1.00000
  Ta2 Ta 0.09289 0.25000 0.33704 1.00000
  Ta3 Ta 0.40711 0.25000 0.83704 1.00000
  Ta4 Ta 0.59289 0.75000 0.16296 1.00000
  As1 As 0.20623 0.75000 0.66282 1.00000
  As2 As 0.79377 0.25000 0.33718 1.00000
  As3 As 0.70623 0.25000 0.83718 1.00000
  As4 As 0.29377 0.75000 0.16282 1.00000
  As5 As 0.81355 0.75000 0.78989 1.00000
  As6 As 0.18645 0.25000 0.21011 1.00000
  As7 As 0.31355 0.25000 0.71011 1.00000
  As8 As 0.68645 0.75000 0.28989 1.00000
  As9 As 0.81673 0.54523 0.59833 1.00000
  As10 As 0.18327 0.45477 0.40167 1.00000
  As11 As 0.31673 0.45477 0.90167 1.00000
  As12 As 0.18327 0.04523 0.40167 1.00000
  As13 As 0.68327 0.54523 0.09833 1.00000
  As14 As 0.81673 0.95477 0.59833 1.00000
  As15 As 0.68327 0.95477 0.09833 1.00000
  As16 As 0.31673 0.04523 0.90167 1.00000
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