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Ca2PmTmHg4

Alexandria ALEX

Alex-ID: agm017111035 · Space group: R-3m (#166)

Basic Information

Formula
Ca2PmTmHg4
Alex-ID
agm017111035
Elements
4
Sites
8
Space group
R-3m (#166)
Crystal system
trigonal
Volume
211.53
ų
Cell a
9.1880
Å
Cell b
9.1880
Å
Cell c
9.1880
Å
α angle
33.59
°
β angle
33.59
°
γ angle
33.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2PmTmHg4
Ca
2.00 · 25.0%
Pm
1.00 · 12.5%
Tm
1.00 · 12.5%
Hg
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0078
eV/atom
Formation energy
-0.5001
eV/atom
Corrected total energy
-18.6707
eV
Raw total energy
-18.6707
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0142
eV
DOS at Fermi level
4.3563
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_43_spg5

Decomposition

CaTmHg2 CaPmHg2

Computed at

2025-03-10 15:54:23

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: agm017111035).

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 agm017111035
data_agm017111035
_cell_length_a     9.18803
_cell_length_b     9.18803
_cell_length_c     9.18803
_cell_angle_alpha  33.59456
_cell_angle_beta   33.59456
_cell_angle_gamma  33.59456
_cell_volume       211.53314
_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 0.25095 0.25095 0.25095 1.00000
  Ca2 Ca 0.74905 0.74905 0.74905 1.00000
  Pm1 Pm 0.50000 0.50000 0.50000 1.00000
  Tm1 Tm 0.00000 0.00000 0.00000 1.00000
  Hg1 Hg 0.87682 0.87682 0.87682 1.00000
  Hg2 Hg 0.62628 0.62628 0.62628 1.00000
  Hg3 Hg 0.12318 0.12318 0.12318 1.00000
  Hg4 Hg 0.37372 0.37372 0.37372 1.00000
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