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KMg(CrH4)2

Alexandria ALEX

Alex-ID: agm007199233 · 空间群: R-3 (#148)

Alexandria Database API

基础信息

化学式
KMg(CrH4)2
Alex-ID
agm007199233
元素数
4
位点数
12
空间群
R-3 (#148)
晶系
trigonal
体积
125.19
ų
晶胞参数 a
6.9055
Å
晶胞参数 b
6.9055
Å
晶胞参数 c
6.9055
Å
α 角
40.49
°
β 角
40.49
°
γ 角
40.49
°

组成

元素组成（原子分数）
组成信息
化学式
KMg(CrH4)2
K
1.00 · 8.3%
Mg
1.00 · 8.3%
Cr
2.00 · 16.7%
H
8.00 · 66.7%

能量与稳定性

凸包上方能量
0.0751
eV/atom
形成能
-0.1289
eV/atom
校正后总能量
-49.4080
eV
原始总能量
-49.4080
eV

电子结构

间接带隙
0.0000
eV
直接带隙
0.0000
eV
费米能级态密度
3.9956
总磁矩
3.0146
μB

其他信息

原型 ID

ABC2D8_210_spg2

分解产物

K3CrH8 KH7 Mg2CrH8 CrH

计算时间

2024-01-28 15:05:39.426377

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: agm007199233).

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 agm007199233
data_agm007199233
_cell_length_a     6.90551
_cell_length_b     6.90551
_cell_length_c     6.90551
_cell_angle_alpha  40.48528
_cell_angle_beta   40.48528
_cell_angle_gamma  40.48528
_cell_volume       125.18731
_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 0.50000 0.50000 0.50000 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Cr1 Cr 0.31897 0.31897 0.31897 1.00000
  Cr2 Cr 0.68103 0.68103 0.68103 1.00000
  H1 H 0.23292 0.23292 0.23292 1.00000
  H2 H 0.58958 0.35143 0.92018 1.00000
  H3 H 0.76708 0.76708 0.76708 1.00000
  H4 H 0.92018 0.58958 0.35143 1.00000
  H5 H 0.07982 0.41042 0.64857 1.00000
  H6 H 0.35143 0.92018 0.58958 1.00000
  H7 H 0.64857 0.07982 0.41042 1.00000
  H8 H 0.41042 0.64857 0.07982 1.00000
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