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CeSm(ErHg2)2

Alexandria ALEX

Alex-ID: agm034141890 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
CeSm(ErHg2)2
Alex-ID
agm034141890
Elements
4
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
212.32
ų
Cell a
5.2987
Å
Cell b
5.2987
Å
Cell c
7.5624
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CeSm(ErHg2)2
Ce
1.00 · 12.5%
Sm
1.00 · 12.5%
Er
2.00 · 25.0%
Hg
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0180
eV/atom
Formation energy
-0.3868
eV/atom
Corrected total energy
-24.3216
eV
Raw total energy
-24.3216
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
15.4863
Total magnetisation
2.0394
μB

Additional Information

Prototype ID

ABC2D4_54_spg6

Decomposition

SmEr4Hg5 SmErHg2 CeHg

Computed at

2025-06-30 22:03:40

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: agm034141890).

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 agm034141890
data_agm034141890
_cell_length_a     5.29873
_cell_length_b     5.29873
_cell_length_c     7.56236
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       212.32442
_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
  Ce1 Ce 0.50000 0.50000 0.50000 1.00000
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
  Er1 Er 0.50000 0.50000 0.00000 1.00000
  Er2 Er 0.00000 0.00000 0.50000 1.00000
  Hg1 Hg 0.50000 0.00000 0.75315 1.00000
  Hg2 Hg 0.50000 0.00000 0.24685 1.00000
  Hg3 Hg 0.00000 0.50000 0.24685 1.00000
  Hg4 Hg 0.00000 0.50000 0.75315 1.00000
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