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Li2Ca2H5

Alexandria ALEX

Alex-ID: agm007136177 · Space group: Imma (#74)

Basic Information

Formula
Li2Ca2H5
Alex-ID
agm007136177
Elements
3
Sites
18
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
193.23
ų
Cell a
8.2389
Å
Cell b
8.2389
Å
Cell c
8.2389
Å
α angle
144.23
°
β angle
143.53
°
γ angle
52.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li2Ca2H5
Li
4.00 · 22.2%
Ca
4.00 · 22.2%
H
10.00 · 55.6%

Energy & Stability

Energy above hull
0.0529
eV/atom
Formation energy
-0.4916
eV/atom
Corrected total energy
-56.9105
eV
Raw total energy
-56.9105
eV

Electronic Structure

Indirect band gap
0.0029
eV
Direct band gap
0.0357
eV
DOS at Fermi level
3.2651
Total magnetisation
-0.0004
μB

Additional Information

Prototype ID

A2B2C5_1008_spg46

Decomposition

Li CaH2 LiH

Computed at

2024-01-27 18:01:24.727327

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: agm007136177).

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 agm007136177
data_agm007136177
_cell_length_a     8.23891
_cell_length_b     8.23891
_cell_length_c     8.23891
_cell_angle_alpha  144.23089
_cell_angle_beta   143.52511
_cell_angle_gamma  52.01199
_cell_volume       193.22824
_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
  Li1 Li 0.00000 0.50000 0.50000 1.00000
  Li2 Li 0.50000 0.00000 0.50000 1.00000
  Li3 Li 0.25481 0.75000 0.50481 1.00000
  Li4 Li 0.74519 0.25000 0.49519 1.00000
  Ca1 Ca 0.13221 0.11983 0.01238 1.00000
  Ca2 Ca 0.86779 0.88017 0.98762 1.00000
  Ca3 Ca 0.60745 0.61983 0.98762 1.00000
  Ca4 Ca 0.39255 0.38017 0.01238 1.00000
  H1 H 0.75166 0.25166 0.00000 1.00000
  H2 H 0.24834 0.24834 0.50000 1.00000
  H3 H 0.75166 0.75166 0.50000 1.00000
  H4 H 0.24834 0.74834 0.00000 1.00000
  H5 H 0.13690 0.62441 0.51248 1.00000
  H6 H 0.86310 0.37559 0.48752 1.00000
  H7 H 0.61193 0.12441 0.48752 1.00000
  H8 H 0.38807 0.87559 0.51248 1.00000
  H9 H 0.50000 0.00000 0.00000 1.00000
  H10 H 0.50000 0.50000 0.50000 1.00000
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