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Ba4Be8H

Alexandria ALEX

Alex-ID: agm097769045 · Space group: P6/mmm (#191)

Basic Information

Formula
Ba4Be8H
Alex-ID
agm097769045
Elements
3
Sites
13
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
279.53
ų
Cell a
8.0077
Å
Cell b
8.0077
Å
Cell c
5.0337
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba4Be8H
Ba
4.00 · 30.8%
Be
8.00 · 61.5%
H
1.00 · 7.7%

Energy & Stability

Energy above hull
0.6211
eV/atom
Formation energy
0.5534
eV/atom
Corrected total energy
-33.5465
eV
Raw total energy
-33.5465
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.3646
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB4C8_791_spg191

Decomposition

Ba Be BaH2

Computed at

2025-04-29 18:39:11

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: agm097769045).

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 agm097769045
data_agm097769045
_cell_length_a     8.00773
_cell_length_b     8.00773
_cell_length_c     5.03368
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       279.53442
_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
  Ba1 Ba 0.00000 0.00000 0.00000 1.00000
  Ba2 Ba 0.00000 0.50000 0.00000 1.00000
  Ba3 Ba 0.50000 0.00000 0.00000 1.00000
  Ba4 Ba 0.50000 0.50000 0.00000 1.00000
  Be1 Be 0.16196 0.32392 0.50000 1.00000
  Be2 Be 0.16196 0.83804 0.50000 1.00000
  Be3 Be 0.66667 0.33333 0.50000 1.00000
  Be4 Be 0.67608 0.83804 0.50000 1.00000
  Be5 Be 0.32392 0.16196 0.50000 1.00000
  Be6 Be 0.33333 0.66667 0.50000 1.00000
  Be7 Be 0.83804 0.16196 0.50000 1.00000
  Be8 Be 0.83804 0.67608 0.50000 1.00000
  H1 H 0.00000 0.00000 0.50000 1.00000
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