Navigation

HEAS Data Platform · Materials Science Database

Sm2(ThGe)3

Alexandria ALEX

Alex-ID: agm009496591 · Space group: P6_3/mcm (#193)

Basic Information

Formula
Sm2(ThGe)3
Alex-ID
agm009496591
Elements
3
Sites
16
Space group
P6_3/mcm (#193)
Crystal system
hexagonal
Volume
435.76
ų
Cell a
8.9218
Å
Cell b
8.9218
Å
Cell c
6.3215
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2(ThGe)3
Sm
4.00 · 25.0%
Th
6.00 · 37.5%
Ge
6.00 · 37.5%

Energy & Stability

Energy above hull
0.0762
eV/atom
Formation energy
-0.6146
eV/atom
Corrected total energy
-100.9666
eV
Raw total energy
-100.9666
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0043
eV
DOS at Fermi level
16.0930
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

A2B3C3_61_spg193

Decomposition

Th2Ge Sm4Ge3

Computed at

2024-05-09 16:53:16.079317

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: agm009496591).

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 agm009496591
data_agm009496591
_cell_length_a     8.92175
_cell_length_b     8.92175
_cell_length_c     6.32150
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       435.76365
_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 0.66667 0.33333 0.00000 1.00000
  Sm2 Sm 0.33333 0.66667 0.50000 1.00000
  Sm3 Sm 0.33333 0.66667 0.00000 1.00000
  Sm4 Sm 0.66667 0.33333 0.50000 1.00000
  Th1 Th 0.25287 0.00000 0.25000 1.00000
  Th2 Th 0.00000 0.25287 0.25000 1.00000
  Th3 Th 0.74713 0.74713 0.25000 1.00000
  Th4 Th 0.74713 0.00000 0.75000 1.00000
  Th5 Th 0.00000 0.74713 0.75000 1.00000
  Th6 Th 0.25287 0.25287 0.75000 1.00000
  Ge1 Ge 0.61183 0.00000 0.25000 1.00000
  Ge2 Ge 0.00000 0.61183 0.25000 1.00000
  Ge3 Ge 0.38817 0.38817 0.25000 1.00000
  Ge4 Ge 0.38817 0.00000 0.75000 1.00000
  Ge5 Ge 0.00000 0.38817 0.75000 1.00000
  Ge6 Ge 0.61183 0.61183 0.75000 1.00000
Get direct link