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Ca3Hg2Ge

Alexandria ALEX

Alex-ID: agm036749686 · Space group: Cmmm (#65)

Basic Information

Formula
Ca3Hg2Ge
Alex-ID
agm036749686
Elements
3
Sites
6
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
157.32
ų
Cell a
8.5785
Å
Cell b
8.5785
Å
Cell c
3.5708
Å
α angle
90.00
°
β angle
90.00
°
γ angle
143.22
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca3Hg2Ge
Ca
3.00 · 50.0%
Hg
2.00 · 33.3%
Ge
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0370
eV/atom
Formation energy
-0.5343
eV/atom
Corrected total energy
-14.5514
eV
Raw total energy
-14.5514
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0096
eV
DOS at Fermi level
2.9673
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_103_spg139

Decomposition

CaHg CaGe

Computed at

2025-04-13 15:17:31

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: agm036749686).

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 agm036749686
data_agm036749686
_cell_length_a     8.57851
_cell_length_b     8.57851
_cell_length_c     3.57081
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  143.22345
_cell_volume       157.32475
_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 0.00000 1.00000
  Ca2 Ca 0.65988 0.34012 0.00000 1.00000
  Ca3 Ca 0.34012 0.65988 0.00000 1.00000
  Hg1 Hg 0.17184 0.82816 0.50000 1.00000
  Hg2 Hg 0.82816 0.17184 0.50000 1.00000
  Ge1 Ge 0.50000 0.50000 0.50000 1.00000
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