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TmSc2As3

Alexandria ALEX

Alex-ID: agm033341833 · Space group: Fddd (#70)

Basic Information

Formula
TmSc2As3
Alex-ID
agm033341833
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
519.39
ų
Cell a
13.0771
Å
Cell b
12.4711
Å
Cell c
6.8226
Å
α angle
79.48
°
β angle
69.66
°
γ angle
30.86
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TmSc2As3
Tm
4.00 · 16.7%
Sc
8.00 · 33.3%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0067
eV/atom
Formation energy
-1.4137
eV/atom
Corrected total energy
-158.2604
eV
Raw total energy
-158.2604
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0054
eV
DOS at Fermi level
1.9950
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2988_spg70

Decomposition

ScAs TmAs

Computed at

2025-04-15 08:52:39

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: agm033341833).

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 agm033341833
data_agm033341833
_cell_length_a     13.07708
_cell_length_b     12.47105
_cell_length_c     6.82260
_cell_angle_alpha  79.48148
_cell_angle_beta   69.65764
_cell_angle_gamma  30.86089
_cell_volume       519.39230
_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 0.41678 0.41678 0.58322 1.00000
  Tm2 Tm 0.83322 0.83322 0.66678 1.00000
  Tm3 Tm 0.66678 0.66678 0.83322 1.00000
  Tm4 Tm 0.58322 0.58322 0.41678 1.00000
  Sc1 Sc 0.50071 0.50071 0.99929 1.00000
  Sc2 Sc 0.91602 0.91602 0.08398 1.00000
  Sc3 Sc 0.33398 0.33398 0.16602 1.00000
  Sc4 Sc 0.74929 0.74929 0.25071 1.00000
  Sc5 Sc 0.25071 0.25071 0.74929 1.00000
  Sc6 Sc 0.16602 0.16602 0.33398 1.00000
  Sc7 Sc 0.08398 0.08398 0.91602 1.00000
  Sc8 Sc 0.99929 0.99929 0.50071 1.00000
  As1 As 0.16848 0.66796 0.32348 1.00000
  As2 As 0.66796 0.16848 0.84008 1.00000
  As3 As 0.08152 0.58204 0.92652 1.00000
  As4 As 0.58204 0.08152 0.40992 1.00000
  As5 As 0.00864 0.49136 0.49136 1.00000
  As6 As 0.49136 0.00864 0.00864 1.00000
  As7 As 0.40992 0.92652 0.58204 1.00000
  As8 As 0.92652 0.40992 0.08152 1.00000
  As9 As 0.84008 0.32348 0.66796 1.00000
  As10 As 0.32348 0.84008 0.16848 1.00000
  As11 As 0.24136 0.75864 0.75864 1.00000
  As12 As 0.75864 0.24136 0.24136 1.00000
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