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CaGa2HgIr

Alexandria ALEX

Alex-ID: agm001645321 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
CaGa2HgIr
Alex-ID
agm001645321
Elements
4
Sites
5
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
129.16
ų
Cell a
4.8201
Å
Cell b
4.8201
Å
Cell c
5.5595
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaGa2HgIr
Ca
1.00 · 20.0%
Ir
1.00 · 20.0%
Hg
1.00 · 20.0%
Ga
2.00 · 40.0%

Energy & Stability

Energy above hull
0.1683
eV/atom
Formation energy
-0.3563
eV/atom
Corrected total energy
-19.0643
eV
Raw total energy
-19.0643
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.1709
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_2_spg123

Decomposition

Ca2(Ga3Ir)3 Ca2Ga5Ir3 CaHg3

Computed at

2020-03-13 18:38:59

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: agm001645321).

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 agm001645321
data_agm001645321
_cell_length_a     4.82006
_cell_length_b     4.82006
_cell_length_c     5.55953
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       129.16454
_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
  Ir1 Ir 0.00000 0.00000 0.00000 1.00000
  Hg1 Hg 0.50000 0.50000 0.50000 1.00000
  Ga1 Ga 0.00000 0.50000 0.00000 1.00000
  Ga2 Ga 0.50000 0.00000 0.00000 1.00000
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