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ErTh2As3

Alexandria ALEX

Alex-ID: agm040559329 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
ErTh2As3
Alex-ID
agm040559329
Elements
3
Sites
6
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
157.82
ų
Cell a
9.3916
Å
Cell b
9.3916
Å
Cell c
9.3916
Å
α angle
154.10
°
β angle
154.10
°
γ angle
36.95
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ErTh2As3
Er
1.00 · 16.7%
Th
2.00 · 33.3%
As
3.00 · 50.0%

Energy & Stability

Energy above hull
0.0139
eV/atom
Formation energy
-1.4284
eV/atom
Corrected total energy
-41.9265
eV
Raw total energy
-41.9265
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.2389
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_1990_spg44

Decomposition

ErTh4As5 Er3ThAs4

Computed at

2025-04-15 04:08:26

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: agm040559329).

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 agm040559329
data_agm040559329
_cell_length_a     9.39157
_cell_length_b     9.39157
_cell_length_c     9.39157
_cell_angle_alpha  154.10025
_cell_angle_beta   154.10025
_cell_angle_gamma  36.95391
_cell_volume       157.82222
_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
  Er1 Er 0.00000 0.00000 0.00000 1.00000
  Th1 Th 0.66591 0.66591 0.00000 1.00000
  Th2 Th 0.33409 0.33409 0.00000 1.00000
  As1 As 0.50000 0.50000 0.00000 1.00000
  As2 As 0.83723 0.83723 0.00000 1.00000
  As3 As 0.16277 0.16277 0.00000 1.00000
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