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SmHfSn

Alexandria ALEX

Alex-ID: agm017014496 · Space group: P4/nmm (#129)

Alexandria Database API

Basic Information

Formula
SmHfSn
Alex-ID
agm017014496
Elements
3
Sites
6
Space group
P4/nmm (#129)
Crystal system
tetragonal
Volume
161.27
ų
Cell a
4.4028
Å
Cell b
4.4028
Å
Cell c
8.3194
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmHfSn
Sm
2.00 · 33.3%
Hf
2.00 · 33.3%
Sn
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0127
eV/atom
Formation energy
-0.5118
eV/atom
Corrected total energy
-40.4302
eV
Raw total energy
-40.4302
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.9767
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC_519_spg59

Decomposition

Sm4Hf2Sn5 Sm5Sn4 Hf

Computed at

2025-04-16 04:38:08

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: agm017014496).

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 agm017014496
data_agm017014496
_cell_length_a     4.40277
_cell_length_b     4.40277
_cell_length_c     8.31944
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       161.26697
_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 0.50000 0.00000 0.83975 1.00000
  Sm2 Sm 0.00000 0.50000 0.16025 1.00000
  Hf1 Hf 0.00000 0.00000 0.50000 1.00000
  Hf2 Hf 0.50000 0.50000 0.50000 1.00000
  Sn1 Sn 0.50000 0.00000 0.24105 1.00000
  Sn2 Sn 0.00000 0.50000 0.75895 1.00000
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