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Sm4CuTc

Alexandria ALEX

Alex-ID: agm005805713 · Space group: C2/c (#15)

Basic Information

Formula
Sm4CuTc
Alex-ID
agm005805713
Elements
3
Sites
12
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
326.03
ų
Cell a
6.4458
Å
Cell b
7.9878
Å
Cell c
7.9878
Å
α angle
110.37
°
β angle
107.74
°
γ angle
107.74
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4CuTc
Sm
8.00 · 66.7%
Cu
2.00 · 16.7%
Tc
2.00 · 16.7%

Energy & Stability

Energy above hull
0.0293
eV/atom
Formation energy
-0.0442
eV/atom
Corrected total energy
-67.3704
eV
Raw total energy
-67.3704
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0060
eV
DOS at Fermi level
12.4340
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_1356_spg15

Decomposition

SmCu Sm SmTc2

Computed at

2023-07-28 04:56:29.865567

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: agm005805713).

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 agm005805713
data_agm005805713
_cell_length_a     6.44580
_cell_length_b     7.98776
_cell_length_c     7.98785
_cell_angle_alpha  110.37470
_cell_angle_beta   107.74209
_cell_angle_gamma  107.74129
_cell_volume       326.02707
_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 0.78804 0.63407 0.77237 1.00000
  Sm2 Sm 0.09192 0.94640 0.29536 1.00000
  Sm3 Sm 0.71196 0.22763 0.36592 1.00000
  Sm4 Sm 0.40808 0.70464 0.05360 1.00000
  Sm5 Sm 0.59192 0.29536 0.94640 1.00000
  Sm6 Sm 0.28804 0.77237 0.63408 1.00000
  Sm7 Sm 0.90808 0.05360 0.70464 1.00000
  Sm8 Sm 0.21196 0.36593 0.22763 1.00000
  Cu1 Cu 0.75000 0.63041 0.36959 1.00000
  Cu2 Cu 0.25000 0.36959 0.63041 1.00000
  Tc1 Tc 0.24998 0.00275 0.99726 1.00000
  Tc2 Tc 0.75002 0.99725 0.00274 1.00000
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