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Na2ScGaH8

Alexandria ALEX

Alex-ID: agm007720575 · Space group: P2/m (#10)

Basic Information

Formula
Na2ScGaH8
Alex-ID
agm007720575
Elements
4
Sites
12
Space group
P2/m (#10)
Crystal system
monoclinic
Volume
142.26
ų
Cell a
6.1976
Å
Cell b
4.7499
Å
Cell c
4.8351
Å
α angle
88.14
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2ScGaH8
Na
2.00 · 16.7%
Sc
1.00 · 8.3%
Ga
1.00 · 8.3%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.2137
eV/atom
Formation energy
-0.1355
eV/atom
Corrected total energy
-39.5426
eV
Raw total energy
-39.5426
eV

Electronic Structure

Indirect band gap
1.5999
eV
Direct band gap
1.7213
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_198_spg10

Decomposition

NaH ScH3 NaGaH4

Computed at

2024-02-09 03:51:45

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: agm007720575).

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 agm007720575
data_agm007720575
_cell_length_a     6.19765
_cell_length_b     4.74988
_cell_length_c     4.83512
_cell_angle_alpha  88.13700
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       142.26145
_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 0.75611 0.50000 0.00000 1.00000
  Na2 Na 0.24389 0.50000 0.00000 1.00000
  Sc1 Sc 0.50000 0.00000 0.50000 1.00000
  Ga1 Ga 0.00000 0.00000 0.50000 1.00000
  H1 H 0.23398 0.84451 0.31391 1.00000
  H2 H 0.00000 0.26906 0.27628 1.00000
  H3 H 0.23398 0.15549 0.68609 1.00000
  H4 H 0.76602 0.15549 0.68609 1.00000
  H5 H 0.00000 0.73094 0.72372 1.00000
  H6 H 0.76602 0.84451 0.31391 1.00000
  H7 H 0.50000 0.30849 0.23171 1.00000
  H8 H 0.50000 0.69151 0.76829 1.00000
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