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Li2Pm2MgGa5

Alexandria ALEX

Alex-ID: agm005140766 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Li2Pm2MgGa5
Alex-ID
agm005140766
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
380.83
ų
Cell a
4.2177
Å
Cell b
9.5023
Å
Cell c
9.5023
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li2Pm2MgGa5
Li
4.00 · 20.0%
Pm
4.00 · 20.0%
Mg
2.00 · 10.0%
Ga
10.00 · 50.0%

Energy & Stability

Energy above hull
0.0799
eV/atom
Formation energy
-0.4304
eV/atom
Corrected total energy
-68.7474
eV
Raw total energy
-68.7474
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.8944
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D5_50_spg127

Decomposition

PmGa2 Li2MgGa

Computed at

2022-07-14 21:26:25.687144

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: agm005140766).

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 agm005140766
data_agm005140766
_cell_length_a     4.21767
_cell_length_b     9.50234
_cell_length_c     9.50234
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       380.83236
_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
  Li1 Li 0.00000 0.11016 0.61016 1.00000
  Li2 Li 0.00000 0.88984 0.38984 1.00000
  Li3 Li 0.00000 0.61016 0.88984 1.00000
  Li4 Li 0.00000 0.38984 0.11016 1.00000
  Pm1 Pm 0.00000 0.68404 0.18404 1.00000
  Pm2 Pm 0.00000 0.31596 0.81596 1.00000
  Pm3 Pm 0.00000 0.18404 0.31596 1.00000
  Pm4 Pm 0.00000 0.81596 0.68404 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Mg2 Mg 0.00000 0.50000 0.50000 1.00000
  Ga1 Ga 0.50000 0.20773 0.05829 1.00000
  Ga2 Ga 0.50000 0.79227 0.94171 1.00000
  Ga3 Ga 0.50000 0.05829 0.79227 1.00000
  Ga4 Ga 0.50000 0.70773 0.44171 1.00000
  Ga5 Ga 0.50000 0.94171 0.20773 1.00000
  Ga6 Ga 0.50000 0.29227 0.55829 1.00000
  Ga7 Ga 0.50000 0.55829 0.70773 1.00000
  Ga8 Ga 0.50000 0.44171 0.29227 1.00000
  Ga9 Ga 0.50000 0.50000 0.00000 1.00000
  Ga10 Ga 0.50000 0.00000 0.50000 1.00000
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