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Sm2YCdHg4

Alexandria ALEX

Alex-ID: agm017390163 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Sm2YCdHg4
Alex-ID
agm017390163
Elements
4
Sites
8
Space group
R-3m (#166)
Crystal system
trigonal
Volume
205.46
ų
Cell a
9.2800
Å
Cell b
9.2800
Å
Cell c
9.2800
Å
α angle
32.53
°
β angle
32.53
°
γ angle
32.53
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2YCdHg4
Sm
2.00 · 25.0%
Y
1.00 · 12.5%
Cd
1.00 · 12.5%
Hg
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0057
eV/atom
Formation energy
-0.4255
eV/atom
Corrected total energy
-21.6810
eV
Raw total energy
-21.6810
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.8605
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_43_spg5

Decomposition

Sm2CdHg3 YHg

Computed at

2025-01-29 17:50:48

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: agm017390163).

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 agm017390163
data_agm017390163
_cell_length_a     9.27997
_cell_length_b     9.27997
_cell_length_c     9.27997
_cell_angle_alpha  32.52634
_cell_angle_beta   32.52634
_cell_angle_gamma  32.52634
_cell_volume       205.45507
_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
  Sm1 Sm 0.24183 0.24183 0.24183 1.00000
  Sm2 Sm 0.75817 0.75817 0.75817 1.00000
  Y1 Y 0.00000 0.00000 0.00000 1.00000
  Cd1 Cd 0.50000 0.50000 0.50000 1.00000
  Hg1 Hg 0.63158 0.63158 0.63158 1.00000
  Hg2 Hg 0.12170 0.12170 0.12170 1.00000
  Hg3 Hg 0.87830 0.87830 0.87830 1.00000
  Hg4 Hg 0.36842 0.36842 0.36842 1.00000
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