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Tm2Cu3Au

Alexandria ALEX

Alex-ID: agm005667501 · Space group: P6_3/mmc (#194)

Basic Information

Formula
Tm2Cu3Au
Alex-ID
agm005667501
Elements
3
Sites
24
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
448.66
ų
Cell a
6.8272
Å
Cell b
8.7111
Å
Cell c
8.7111
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tm2Cu3Au
Tm
8.00 · 33.3%
Cu
12.00 · 50.0%
Au
4.00 · 16.7%

Energy & Stability

Energy above hull
0.0474
eV/atom
Formation energy
-0.3930
eV/atom
Corrected total energy
-108.2323
eV
Raw total energy
-108.2323
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.0966
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_285_spg194

Decomposition

Tm2Cu7 TmCu2 TmAu

Computed at

2023-08-17 15:29:29.713253

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: agm005667501).

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 agm005667501
data_agm005667501
_cell_length_a     6.82721
_cell_length_b     8.71110
_cell_length_c     8.71110
_cell_angle_alpha  120.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       448.66283
_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
  Tm1 Tm 0.25000 0.00000 0.00000 1.00000
  Tm2 Tm 0.75000 0.00000 0.00000 1.00000
  Tm3 Tm 0.25000 0.48823 0.97645 1.00000
  Tm4 Tm 0.25000 0.48823 0.51177 1.00000
  Tm5 Tm 0.25000 0.02355 0.51177 1.00000
  Tm6 Tm 0.75000 0.51177 0.02355 1.00000
  Tm7 Tm 0.75000 0.51177 0.48823 1.00000
  Tm8 Tm 0.75000 0.97645 0.48823 1.00000
  Cu1 Cu 0.01246 0.83867 0.67733 1.00000
  Cu2 Cu 0.01246 0.83867 0.16133 1.00000
  Cu3 Cu 0.01246 0.32267 0.16133 1.00000
  Cu4 Cu 0.98754 0.16133 0.32267 1.00000
  Cu5 Cu 0.98754 0.16133 0.83867 1.00000
  Cu6 Cu 0.98754 0.67733 0.83867 1.00000
  Cu7 Cu 0.51246 0.16133 0.32267 1.00000
  Cu8 Cu 0.51246 0.16133 0.83867 1.00000
  Cu9 Cu 0.51246 0.67733 0.83867 1.00000
  Cu10 Cu 0.48754 0.83867 0.67733 1.00000
  Cu11 Cu 0.48754 0.83867 0.16133 1.00000
  Cu12 Cu 0.48754 0.32267 0.16133 1.00000
  Au1 Au 0.02676 0.66667 0.33333 1.00000
  Au2 Au 0.97324 0.33333 0.66667 1.00000
  Au3 Au 0.52676 0.33333 0.66667 1.00000
  Au4 Au 0.47324 0.66667 0.33333 1.00000
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