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Ac2Pr2Er

Alexandria ALEX

Alex-ID: agm003406487 · Space group: I4/mmm (#139)

Basic Information

Formula
Ac2Pr2Er
Alex-ID
agm003406487
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
206.57
ų
Cell a
4.9486
Å
Cell b
4.9486
Å
Cell c
9.1323
Å
α angle
105.72
°
β angle
105.72
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2Pr2Er
Ac
2.00 · 40.0%
Pr
2.00 · 40.0%
Er
1.00 · 20.0%

Energy & Stability

Energy above hull
0.4599
eV/atom
Formation energy
0.4592
eV/atom
Corrected total energy
-20.0516
eV
Raw total energy
-20.0516
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
8.5929
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_5_spg139

Decomposition

Pr2Er7 Ac Pr

Computed at

2022-02-11 18:21:12.106048

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: agm003406487).

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 agm003406487
data_agm003406487
_cell_length_a     4.94864
_cell_length_b     4.94864
_cell_length_c     9.13226
_cell_angle_alpha  105.72037
_cell_angle_beta   105.72037
_cell_angle_gamma  90.00000
_cell_volume       206.57140
_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 0.75000 0.25000 0.50000 1.00000
  Ac2 Ac 0.25000 0.75000 0.50000 1.00000
  Pr1 Pr 0.40945 0.40945 0.81889 1.00000
  Pr2 Pr 0.59055 0.59055 0.18111 1.00000
  Er1 Er 0.00000 0.00000 0.00000 1.00000
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