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Sm2Ti3Ge4

Alexandria ALEX

Alex-ID: agm078550889 · Space group: P4_12_12 (#92)

Basic Information

Formula
Sm2Ti3Ge4
Alex-ID
agm078550889
Elements
3
Sites
36
Space group
P4_12_12 (#92)
Crystal system
tetragonal
Volume
699.56
ų
Cell a
7.2390
Å
Cell b
7.2390
Å
Cell c
13.3497
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Ti3Ge4
Sm
8.00 · 22.2%
Ti
12.00 · 33.3%
Ge
16.00 · 44.4%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.7733
eV/atom
Corrected total energy
-234.2446
eV
Raw total energy
-234.2446
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0046
eV
DOS at Fermi level
31.4120
Total magnetisation
2.2653
μB

Additional Information

Prototype ID

A2B3C4_98_spg92

Decomposition

Sm2Ti3Ge4

Computed at

2025-01-10 10:08:28

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: agm078550889).

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 agm078550889
data_agm078550889
_cell_length_a     7.23897
_cell_length_b     7.23897
_cell_length_c     13.34967
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       699.55917
_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 0.49892 0.83658 0.03112 1.00000
  Sm2 Sm 0.66342 0.99892 0.28112 1.00000
  Sm3 Sm 0.50108 0.16342 0.53112 1.00000
  Sm4 Sm 0.33658 0.00108 0.78112 1.00000
  Sm5 Sm 0.99892 0.66342 0.71888 1.00000
  Sm6 Sm 0.16342 0.50108 0.46888 1.00000
  Sm7 Sm 0.00108 0.33658 0.21888 1.00000
  Sm8 Sm 0.83658 0.49892 0.96888 1.00000
  Ti1 Ti 0.33620 0.49151 0.87582 1.00000
  Ti2 Ti 0.00849 0.83620 0.12582 1.00000
  Ti3 Ti 0.66380 0.50849 0.37582 1.00000
  Ti4 Ti 0.99151 0.16380 0.62582 1.00000
  Ti5 Ti 0.83620 0.00849 0.87418 1.00000
  Ti6 Ti 0.50849 0.66380 0.62418 1.00000
  Ti7 Ti 0.16380 0.99151 0.37418 1.00000
  Ti8 Ti 0.49151 0.33620 0.12418 1.00000
  Ti9 Ti 0.66882 0.33118 0.75000 1.00000
  Ti10 Ti 0.16882 0.16882 0.00000 1.00000
  Ti11 Ti 0.33118 0.66882 0.25000 1.00000
  Ti12 Ti 0.83118 0.83118 0.50000 1.00000
  Ge1 Ge 0.28861 0.03444 0.18195 1.00000
  Ge2 Ge 0.46556 0.78861 0.43195 1.00000
  Ge3 Ge 0.71139 0.96556 0.68195 1.00000
  Ge4 Ge 0.53444 0.21139 0.93195 1.00000
  Ge5 Ge 0.78861 0.46556 0.56805 1.00000
  Ge6 Ge 0.96556 0.71139 0.31805 1.00000
  Ge7 Ge 0.21139 0.53444 0.06805 1.00000
  Ge8 Ge 0.03444 0.28861 0.81805 1.00000
  Ge9 Ge 0.62069 0.69598 0.81873 1.00000
  Ge10 Ge 0.80402 0.12069 0.06873 1.00000
  Ge11 Ge 0.37931 0.30402 0.31873 1.00000
  Ge12 Ge 0.19598 0.87931 0.56873 1.00000
  Ge13 Ge 0.12069 0.80402 0.93127 1.00000
  Ge14 Ge 0.30402 0.37931 0.68127 1.00000
  Ge15 Ge 0.87931 0.19598 0.43127 1.00000
  Ge16 Ge 0.69598 0.62069 0.18127 1.00000
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