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Ca4AgHg

Alexandria ALEX

Alex-ID: agm005806920 · Space group: P4/mmm (#123)

Basic Information

Formula
Ca4AgHg
Alex-ID
agm005806920
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
188.04
ų
Cell a
3.7983
Å
Cell b
3.7983
Å
Cell c
13.0335
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca4AgHg
Ca
4.00 · 66.7%
Ag
1.00 · 16.7%
Hg
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0303
eV/atom
Formation energy
-0.2971
eV/atom
Corrected total energy
-13.0031
eV
Raw total energy
-13.0031
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.2368
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_506_spg123

Decomposition

Ca3Hg Ca5Ag2Hg

Computed at

2023-07-27 08:03:29.462177

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: agm005806920).

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 agm005806920
data_agm005806920
_cell_length_a     3.79834
_cell_length_b     3.79834
_cell_length_c     13.03355
_cell_angle_alpha  90.00077
_cell_angle_beta   90.00077
_cell_angle_gamma  90.00001
_cell_volume       188.03964
_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 0.49997 0.49997 0.85910 1.00000
  Ca2 Ca 0.50003 0.50003 0.14090 1.00000
  Ca3 Ca 0.99996 0.99996 0.63639 1.00000
  Ca4 Ca 0.00004 0.00004 0.36361 1.00000
  Ag1 Ag 0.50000 0.50000 0.50000 1.00000
  Hg1 Hg 0.00000 0.00000 0.00000 1.00000
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