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Ga(NiH4)2

Alexandria ALEX

Alex-ID: agm006692829 · Space group: Amm2 (#38)

Basic Information

Formula
Ga(NiH4)2
Alex-ID
agm006692829
Elements
3
Sites
11
Space group
Amm2 (#38)
Crystal system
orthorhombic
Volume
77.47
ų
Cell a
5.1148
Å
Cell b
5.1148
Å
Cell c
3.6246
Å
α angle
90.01
°
β angle
90.01
°
γ angle
125.22
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ga(NiH4)2
Ga
1.00 · 9.1%
Ni
2.00 · 18.2%
H
8.00 · 72.7%

Energy & Stability

Energy above hull
0.1527
eV/atom
Formation energy
0.0389
eV/atom
Corrected total energy
-40.0868
eV
Raw total energy
-40.0868
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.4630
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C8_227_spg12

Decomposition

H2 Ga3Ni2 GaNi3H

Computed at

2024-05-29 08:38:37.798464

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: agm006692829).

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 agm006692829
data_agm006692829
_cell_length_a     5.11475
_cell_length_b     5.11475
_cell_length_c     3.62464
_cell_angle_alpha  90.01024
_cell_angle_beta   90.01024
_cell_angle_gamma  125.21585
_cell_volume       77.46890
_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
  Ga1 Ga 0.67075 0.67075 0.04553 1.00000
  Ni1 Ni 0.31460 0.67609 0.54533 1.00000
  Ni2 Ni 0.67609 0.31460 0.54533 1.00000
  H1 H 0.99736 0.31577 0.54491 1.00000
  H2 H 0.31577 0.99736 0.54491 1.00000
  H3 H 0.42394 0.42394 0.54545 1.00000
  H4 H 0.65067 0.31295 0.04551 1.00000
  H5 H 0.31295 0.65067 0.04551 1.00000
  H6 H 0.99917 0.99917 0.04591 1.00000
  H7 H 0.67636 0.99633 0.54597 1.00000
  H8 H 0.99633 0.67636 0.54597 1.00000
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