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CaMg2Hg

Alexandria ALEX

Alex-ID: agm069754039 · Space group: Pnma (#62)

Basic Information

Formula
CaMg2Hg
Alex-ID
agm069754039
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
830.65
ų
Cell a
5.9689
Å
Cell b
8.2919
Å
Cell c
16.7830
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaMg2Hg
Ca
8.00 · 25.0%
Mg
16.00 · 50.0%
Hg
8.00 · 25.0%

Energy & Stability

Energy above hull
0.0116
eV/atom
Formation energy
-0.2776
eV/atom
Corrected total energy
-53.3005
eV
Raw total energy
-53.3005
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0087
eV
DOS at Fermi level
17.5677
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_547_spg62

Decomposition

CaMgHg Mg

Computed at

2025-02-24 23:12:10

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: agm069754039).

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 agm069754039
data_agm069754039
_cell_length_a     5.96890
_cell_length_b     8.29185
_cell_length_c     16.78300
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       830.64522
_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 0.96127 0.25000 0.36167 1.00000
  Ca2 Ca 0.46127 0.75000 0.13833 1.00000
  Ca3 Ca 0.03873 0.75000 0.63833 1.00000
  Ca4 Ca 0.53873 0.25000 0.86167 1.00000
  Ca5 Ca 0.24975 0.25000 0.10730 1.00000
  Ca6 Ca 0.74975 0.75000 0.39270 1.00000
  Ca7 Ca 0.75025 0.75000 0.89270 1.00000
  Ca8 Ca 0.25025 0.25000 0.60730 1.00000
  Mg1 Mg 0.45641 0.05650 0.28598 1.00000
  Mg2 Mg 0.95641 0.94350 0.21402 1.00000
  Mg3 Mg 0.54359 0.55650 0.71402 1.00000
  Mg4 Mg 0.04359 0.44350 0.78598 1.00000
  Mg5 Mg 0.54359 0.94350 0.71402 1.00000
  Mg6 Mg 0.04359 0.05650 0.78598 1.00000
  Mg7 Mg 0.45641 0.44350 0.28598 1.00000
  Mg8 Mg 0.95641 0.55650 0.21402 1.00000
  Mg9 Mg 0.24323 0.55629 0.46478 1.00000
  Mg10 Mg 0.74323 0.44371 0.03522 1.00000
  Mg11 Mg 0.75677 0.05629 0.53522 1.00000
  Mg12 Mg 0.25677 0.94371 0.96478 1.00000
  Mg13 Mg 0.75677 0.44371 0.53522 1.00000
  Mg14 Mg 0.25677 0.55629 0.96478 1.00000
  Mg15 Mg 0.24323 0.94371 0.46478 1.00000
  Mg16 Mg 0.74323 0.05629 0.03522 1.00000
  Hg1 Hg 0.74658 0.25000 0.18353 1.00000
  Hg2 Hg 0.24658 0.75000 0.31647 1.00000
  Hg3 Hg 0.25342 0.75000 0.81647 1.00000
  Hg4 Hg 0.75342 0.25000 0.68353 1.00000
  Hg5 Hg 0.46359 0.25000 0.43118 1.00000
  Hg6 Hg 0.96359 0.75000 0.06882 1.00000
  Hg7 Hg 0.53641 0.75000 0.56882 1.00000
  Hg8 Hg 0.03641 0.25000 0.93118 1.00000
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