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Na2Ga2H7

Alexandria ALEX

Alex-ID: agm078196153 · Space group: C2/c (#15)

Basic Information

Formula
Na2Ga2H7
Alex-ID
agm078196153
Elements
3
Sites
22
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
283.60
ų
Cell a
7.3097
Å
Cell b
7.3097
Å
Cell c
6.1048
Å
α angle
86.21
°
β angle
93.79
°
γ angle
61.26
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2Ga2H7
Na
4.00 · 18.2%
Ga
4.00 · 18.2%
H
14.00 · 63.6%

Energy & Stability

Energy above hull
0.1513
eV/atom
Formation energy
-0.0464
eV/atom
Corrected total energy
-63.7711
eV
Raw total energy
-63.7711
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.4121
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C7_1897_spg15

Decomposition

NaGaH2 NaGaH4

Computed at

2025-05-27 06:26:47

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: agm078196153).

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 agm078196153
data_agm078196153
_cell_length_a     7.30969
_cell_length_b     7.30969
_cell_length_c     6.10483
_cell_angle_alpha  86.21347
_cell_angle_beta   93.78653
_cell_angle_gamma  61.26327
_cell_volume       283.60347
_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
  Na1 Na 0.29157 0.85825 0.89961 1.00000
  Na2 Na 0.70843 0.14175 0.10039 1.00000
  Na3 Na 0.85825 0.29157 0.60039 1.00000
  Na4 Na 0.14175 0.70843 0.39961 1.00000
  Ga1 Ga 0.66155 0.96773 0.61322 1.00000
  Ga2 Ga 0.33845 0.03227 0.38678 1.00000
  Ga3 Ga 0.96773 0.66155 0.88678 1.00000
  Ga4 Ga 0.03227 0.33845 0.11322 1.00000
  H1 H 0.99907 0.82013 0.05222 1.00000
  H2 H 0.00093 0.17987 0.94778 1.00000
  H3 H 0.82013 0.99907 0.44778 1.00000
  H4 H 0.17987 0.00093 0.55222 1.00000
  H5 H 0.49417 0.48441 0.41844 1.00000
  H6 H 0.50583 0.51559 0.58156 1.00000
  H7 H 0.48441 0.49417 0.08156 1.00000
  H8 H 0.51559 0.50583 0.91844 1.00000
  H9 H 0.61641 0.16816 0.74934 1.00000
  H10 H 0.38359 0.83184 0.25066 1.00000
  H11 H 0.16816 0.61641 0.75066 1.00000
  H12 H 0.83184 0.38359 0.24934 1.00000
  H13 H 0.47830 0.47830 0.25000 1.00000
  H14 H 0.52170 0.52170 0.75000 1.00000
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