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Pm7Sn2Ge

Alexandria ALEX

Alex-ID: agm003511264 · Space group: P3m1 (#156)

Basic Information

Formula
Pm7Sn2Ge
Alex-ID
agm003511264
Elements
3
Sites
10
Space group
P3m1 (#156)
Crystal system
trigonal
Volume
313.58
ų
Cell a
5.3397
Å
Cell b
5.3397
Å
Cell c
12.6996
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm7Sn2Ge
Pm
7.00 · 70.0%
Sn
2.00 · 20.0%
Ge
1.00 · 10.0%

Energy & Stability

Energy above hull
0.2022
eV/atom
Formation energy
-0.3682
eV/atom
Corrected total energy
-49.5597
eV
Raw total energy
-49.5597
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
12.5191
Total magnetisation
0.0238
μB

Additional Information

Prototype ID

AB2C7_22_spg156

Decomposition

Pm5Ge3 Pm5Sn3 Pm

Computed at

2022-03-12 21:00:06.498115

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: agm003511264).

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 agm003511264
data_agm003511264
_cell_length_a     5.33965
_cell_length_b     5.33965
_cell_length_c     12.69958
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       313.57846
_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
  Pm1 Pm 0.66667 0.33333 0.59341 1.00000
  Pm2 Pm 0.66667 0.33333 0.85513 1.00000
  Pm3 Pm 0.00000 0.00000 0.74743 1.00000
  Pm4 Pm 0.00000 0.00000 0.25166 1.00000
  Pm5 Pm 0.33333 0.66667 0.43222 1.00000
  Pm6 Pm 0.33333 0.66667 0.98041 1.00000
  Pm7 Pm 0.66667 0.33333 0.10501 1.00000
  Sn1 Sn 0.33333 0.66667 0.70077 1.00000
  Sn2 Sn 0.66667 0.33333 0.34916 1.00000
  Ge1 Ge 0.00000 0.00000 0.00137 1.00000
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