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Ac4Tm12Cr

Alexandria ALEX

Alex-ID: agm099485678 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Ac4Tm12Cr
Alex-ID
agm099485678
Elements
3
Sites
17
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
560.89
ų
Cell a
10.3210
Å
Cell b
10.3210
Å
Cell c
5.2655
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac4Tm12Cr
Ac
4.00 · 23.5%
Tm
12.00 · 70.6%
Cr
1.00 · 5.9%

Energy & Stability

Energy above hull
0.1414
eV/atom
Formation energy
0.1414
eV/atom
Corrected total energy
-77.3118
eV
Raw total energy
-77.3118
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
28.0687
Total magnetisation
2.2367
μB

Additional Information

Prototype ID

AB4C12_333_spg123

Decomposition

Ac Tm Cr

Computed at

2025-04-14 17:13:47

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: agm099485678).

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 agm099485678
data_agm099485678
_cell_length_a     10.32095
_cell_length_b     10.32095
_cell_length_c     5.26548
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       560.88946
_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
  Ac1 Ac 0.25260 0.25260 0.00000 1.00000
  Ac2 Ac 0.74740 0.25260 0.00000 1.00000
  Ac3 Ac 0.25260 0.74740 0.00000 1.00000
  Ac4 Ac 0.74740 0.74740 0.00000 1.00000
  Tm1 Tm 0.50000 0.23199 0.50000 1.00000
  Tm2 Tm 0.00000 0.24615 0.50000 1.00000
  Tm3 Tm 0.50000 0.76801 0.50000 1.00000
  Tm4 Tm 0.00000 0.75385 0.50000 1.00000
  Tm5 Tm 0.23199 0.50000 0.50000 1.00000
  Tm6 Tm 0.76801 0.50000 0.50000 1.00000
  Tm7 Tm 0.24615 0.00000 0.50000 1.00000
  Tm8 Tm 0.75385 0.00000 0.50000 1.00000
  Tm9 Tm 0.50000 0.50000 0.00000 1.00000
  Tm10 Tm 0.00000 0.50000 0.00000 1.00000
  Tm11 Tm 0.50000 0.00000 0.00000 1.00000
  Tm12 Tm 0.00000 0.00000 0.00000 1.00000
  Cr1 Cr 0.50000 0.50000 0.50000 1.00000
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