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MgGaH4

Alexandria ALEX

Alex-ID: agm005253334 · Space group: P2_1/c (#14)

Basic Information

Formula
MgGaH4
Alex-ID
agm005253334
Elements
3
Sites
24
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
361.20
ų
Cell a
7.7466
Å
Cell b
6.6232
Å
Cell c
9.9431
Å
α angle
45.08
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgGaH4
Mg
4.00 · 16.7%
Ga
4.00 · 16.7%
H
16.00 · 66.7%

Energy & Stability

Energy above hull
0.1033
eV/atom
Formation energy
-0.0640
eV/atom
Corrected total energy
-71.8670
eV
Raw total energy
-71.8670
eV

Electronic Structure

Indirect band gap
3.0158
eV
Direct band gap
3.1209
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_3977_spg14

Decomposition

MgH6 Ga MgH2

Computed at

2023-05-09 14:20:54.172441

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: agm005253334).

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 agm005253334
data_agm005253334
_cell_length_a     7.74656
_cell_length_b     6.62315
_cell_length_c     9.94311
_cell_angle_alpha  45.07548
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       361.20407
_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 0.58315 0.85949 0.17108 1.00000
  Mg2 Mg 0.91685 0.85949 0.67108 1.00000
  Mg3 Mg 0.41685 0.14051 0.82892 1.00000
  Mg4 Mg 0.08315 0.14051 0.32892 1.00000
  Ga1 Ga 0.55588 0.16492 0.50593 1.00000
  Ga2 Ga 0.94412 0.16492 0.00593 1.00000
  Ga3 Ga 0.44412 0.83508 0.49407 1.00000
  Ga4 Ga 0.05588 0.83508 0.99407 1.00000
  H1 H 0.57551 0.75038 0.41262 1.00000
  H2 H 0.92449 0.75038 0.91262 1.00000
  H3 H 0.42449 0.24962 0.58738 1.00000
  H4 H 0.07551 0.24962 0.08738 1.00000
  H5 H 0.37319 0.03642 0.06198 1.00000
  H6 H 0.12681 0.03642 0.56198 1.00000
  H7 H 0.62681 0.96358 0.93802 1.00000
  H8 H 0.87319 0.96358 0.43802 1.00000
  H9 H 0.27278 0.91855 0.36787 1.00000
  H10 H 0.22722 0.91855 0.86787 1.00000
  H11 H 0.72722 0.08145 0.63213 1.00000
  H12 H 0.77278 0.08145 0.13213 1.00000
  H13 H 0.38559 0.52819 0.70145 1.00000
  H14 H 0.11441 0.52819 0.20145 1.00000
  H15 H 0.61441 0.47181 0.29855 1.00000
  H16 H 0.88559 0.47181 0.79855 1.00000
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