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CaBe2NiH8

Alexandria ALEX

Alex-ID: agm007262859 · Space group: P-3m1 (#164)

Basic Information

Formula
CaBe2NiH8
Alex-ID
agm007262859
Elements
4
Sites
12
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
110.26
ų
Cell a
4.5600
Å
Cell b
4.5600
Å
Cell c
6.1232
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaBe2NiH8
Ca
1.00 · 8.3%
Be
2.00 · 16.7%
Ni
1.00 · 8.3%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1556
eV/atom
Formation energy
-0.1763
eV/atom
Corrected total energy
-43.2715
eV
Raw total energy
-43.2715
eV

Electronic Structure

Indirect band gap
0.4638
eV
Direct band gap
0.7611
eV
DOS at Fermi level
0.0700
Total magnetisation
2.0033
μB

Additional Information

Prototype ID

ABC2D8_249_spg5

Decomposition

CaH10 CaBeH4 BeH2 BeNi

Computed at

2024-04-22 08:58:54.904084

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: agm007262859).

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 agm007262859
data_agm007262859
_cell_length_a     4.55995
_cell_length_b     4.55995
_cell_length_c     6.12317
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       110.26257
_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
  Ca1 Ca 0.00000 0.00000 0.50000 1.00000
  Be1 Be 0.66667 0.33333 0.76174 1.00000
  Be2 Be 0.33333 0.66667 0.23826 1.00000
  Ni1 Ni 0.00000 0.00000 0.00000 1.00000
  H1 H 0.33333 0.66667 0.47321 1.00000
  H2 H 0.31792 0.15896 0.82637 1.00000
  H3 H 0.84104 0.15896 0.82637 1.00000
  H4 H 0.66667 0.33333 0.52679 1.00000
  H5 H 0.15896 0.84104 0.17363 1.00000
  H6 H 0.68208 0.84104 0.17363 1.00000
  H7 H 0.15896 0.31792 0.17363 1.00000
  H8 H 0.84104 0.68208 0.82637 1.00000
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