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SmTaMnGe2

Alexandria ALEX

Alex-ID: agm005016930 · Space group: I-4m2 (#119)

Basic Information

Formula
SmTaMnGe2
Alex-ID
agm005016930
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
94.40
ų
Cell a
4.0054
Å
Cell b
4.0054
Å
Cell c
6.5299
Å
α angle
107.86
°
β angle
107.86
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmTaMnGe2
Sm
1.00 · 20.0%
Ta
1.00 · 20.0%
Mn
1.00 · 20.0%
Ge
2.00 · 40.0%

Energy & Stability

Energy above hull
0.1049
eV/atom
Formation energy
-0.4411
eV/atom
Corrected total energy
-37.1861
eV
Raw total energy
-37.1861
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.6519
Total magnetisation
1.7551
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Sm2Ta3Ge4 Sm3Ge5 Ta2Mn3Ge SmGe

Computed at

2022-07-04 14:56:04.564290

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: agm005016930).

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 agm005016930
data_agm005016930
_cell_length_a     4.00544
_cell_length_b     4.00544
_cell_length_c     6.52990
_cell_angle_alpha  107.86046
_cell_angle_beta   107.86046
_cell_angle_gamma  90.00000
_cell_volume       94.39521
_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 0.00000 0.00000 0.00000 1.00000
  Ta1 Ta 0.25000 0.75000 0.50000 1.00000
  Mn1 Mn 0.75000 0.25000 0.50000 1.00000
  Ge1 Ge 0.61005 0.61005 0.22009 1.00000
  Ge2 Ge 0.38995 0.38995 0.77991 1.00000
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