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MgGaH

Alexandria ALEX

Alex-ID: agm003601072 · Space group: R-3m (#166)

Basic Information

Formula
MgGaH
Alex-ID
agm003601072
Elements
3
Sites
6
Space group
R-3m (#166)
Crystal system
trigonal
Volume
84.64
ų
Cell a
3.2379
Å
Cell b
3.2361
Å
Cell c
9.5195
Å
α angle
79.96
°
β angle
80.21
°
γ angle
59.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgGaH
Mg
2.00 · 33.3%
Ga
2.00 · 33.3%
H
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0835
eV/atom
Formation energy
-0.1222
eV/atom
Corrected total energy
-16.4607
eV
Raw total energy
-16.4607
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1216
eV
DOS at Fermi level
0.8100
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC_38_spg166

Decomposition

Mg2Ga5 MgGa MgH2

Computed at

2022-03-07 03:57:22.694714

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: agm003601072).

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 agm003601072
data_agm003601072
_cell_length_a     3.23785
_cell_length_b     3.23607
_cell_length_c     9.51950
_cell_angle_alpha  79.96118
_cell_angle_beta   80.20846
_cell_angle_gamma  59.98178
_cell_volume       84.64055
_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
  Mg1 Mg 0.38541 0.38437 0.84480 1.00000
  Mg2 Mg 0.61459 0.61563 0.15520 1.00000
  Ga1 Ga 0.86809 0.86858 0.39525 1.00000
  Ga2 Ga 0.13191 0.13142 0.60475 1.00000
  H1 H 0.69472 0.69104 0.91953 1.00000
  H2 H 0.30528 0.30896 0.08047 1.00000
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