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KMg14Al

Alexandria ALEX

Alex-ID: agm005248166 · Space group: Amm2 (#38)

Basic Information

Formula
KMg14Al
Alex-ID
agm005248166
Elements
3
Sites
16
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
385.62
ų
Cell a
6.4543
Å
Cell b
6.4543
Å
Cell c
10.5219
Å
α angle
90.00
°
β angle
90.00
°
γ angle
118.39
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KMg14Al
K
1.00 · 6.3%
Mg
14.00 · 87.5%
Al
1.00 · 6.3%

Energy & Stability

Energy above hull
0.1031
eV/atom
Formation energy
0.0983
eV/atom
Corrected total energy
-25.5991
eV
Raw total energy
-25.5991
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0303
eV
DOS at Fermi level
6.5201
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_2_spg38

Decomposition

Mg17Al12 K Mg

Computed at

2023-05-07 05:16:28.599000

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm005248166).

Reference

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}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm005248166
data_agm005248166
_cell_length_a     6.45434
_cell_length_b     6.45434
_cell_length_c     10.52189
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  118.38839
_cell_volume       385.61535
_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 0.33537 0.66463 0.50000 1.00000
  Mg1 Mg 0.83486 0.16514 0.00000 1.00000
  Mg2 Mg 0.33645 0.66355 0.00000 1.00000
  Mg3 Mg 0.32213 0.15849 0.50000 1.00000
  Mg4 Mg 0.34220 0.16995 0.00000 1.00000
  Mg5 Mg 0.84151 0.67787 0.50000 1.00000
  Mg6 Mg 0.83005 0.65780 0.00000 1.00000
  Mg7 Mg 0.15764 0.32636 0.24307 1.00000
  Mg8 Mg 0.15764 0.32636 0.75693 1.00000
  Mg9 Mg 0.67364 0.84236 0.24307 1.00000
  Mg10 Mg 0.67364 0.84236 0.75693 1.00000
  Mg11 Mg 0.66597 0.33403 0.26214 1.00000
  Mg12 Mg 0.66597 0.33403 0.73786 1.00000
  Mg13 Mg 0.16124 0.83876 0.23797 1.00000
  Mg14 Mg 0.16124 0.83876 0.76203 1.00000
  Al1 Al 0.84045 0.15955 0.50000 1.00000
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