Navigation

HEAS Data Platform · Materials Science Database

NaLa(FeH4)2

Alexandria ALEX

Alex-ID: agm007185209 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
NaLa(FeH4)2
Alex-ID
agm007185209
Elements
4
Sites
12
Space group
R-3 (#148)
Crystal system
trigonal
Volume
108.07
ų
Cell a
6.1401
Å
Cell b
6.1401
Å
Cell c
6.1401
Å
α angle
45.70
°
β angle
45.70
°
γ angle
45.70
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaLa(FeH4)2
Na
1.00 · 8.3%
La
1.00 · 8.3%
Fe
2.00 · 16.7%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1608
eV/atom
Formation energy
-0.2212
eV/atom
Corrected total energy
-51.7443
eV
Raw total energy
-51.7443
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0088
eV
DOS at Fermi level
3.5097
Total magnetisation
1.9888
μB

Additional Information

Prototype ID

ABC2D8_14_spg1

Decomposition

Na3FeH7 LaFeH5 FeH

Computed at

2024-03-05 22:35:04.090259

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: agm007185209).

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 agm007185209
data_agm007185209
_cell_length_a     6.14007
_cell_length_b     6.14007
_cell_length_c     6.14007
_cell_angle_alpha  45.69671
_cell_angle_beta   45.69671
_cell_angle_gamma  45.69671
_cell_volume       108.06756
_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 0.00000 0.00000 0.00000 1.00000
  La1 La 0.50000 0.50000 0.50000 1.00000
  Fe1 Fe 0.69187 0.69187 0.69187 1.00000
  Fe2 Fe 0.30813 0.30813 0.30813 1.00000
  H1 H 0.79207 0.79207 0.79207 1.00000
  H2 H 0.60656 0.09587 0.43670 1.00000
  H3 H 0.20793 0.20793 0.20793 1.00000
  H4 H 0.43670 0.60656 0.09587 1.00000
  H5 H 0.56330 0.39344 0.90413 1.00000
  H6 H 0.09587 0.43670 0.60656 1.00000
  H7 H 0.90413 0.56330 0.39344 1.00000
  H8 H 0.39344 0.90413 0.56330 1.00000
Get direct link