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AcLa5Pm2Er

Alexandria ALEX

Alex-ID: agm005147640 · Space group: I4/mcm (#140)

Alexandria Database API

Basic Information

Formula
AcLa5Pm2Er
Alex-ID
agm005147640
Elements
4
Sites
18
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
666.58
ų
Cell a
9.2930
Å
Cell b
9.2930
Å
Cell c
10.1369
Å
α angle
117.28
°
β angle
117.28
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
AcLa5Pm2Er
Ac
2.00 · 11.1%
La
10.00 · 55.6%
Pm
4.00 · 22.2%
Er
2.00 · 11.1%

Energy & Stability

Energy above hull
0.2573
eV/atom
Formation energy
0.2514
eV/atom
Corrected total energy
-81.0941
eV
Raw total energy
-81.0941
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
31.7830
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

ABC2D5_41_spg140

Decomposition

La7Er LaEr2 LaPm Ac

Computed at

2023-01-08 04:01:40.187340

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: agm005147640).

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 agm005147640
data_agm005147640
_cell_length_a     9.29302
_cell_length_b     9.29302
_cell_length_c     10.13691
_cell_angle_alpha  117.28234
_cell_angle_beta   117.28234
_cell_angle_gamma  90.00000
_cell_volume       666.58031
_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 0.25000 0.25000 0.50000 1.00000
  Ac2 Ac 0.75000 0.75000 0.50000 1.00000
  La1 La 0.92990 0.42990 0.26559 1.00000
  La2 La 0.66431 0.16431 0.73441 1.00000
  La3 La 0.07010 0.57010 0.73441 1.00000
  La4 La 0.16431 0.07010 0.73441 1.00000
  La5 La 0.57010 0.66431 0.73441 1.00000
  La6 La 0.83569 0.92990 0.26559 1.00000
  La7 La 0.42990 0.33569 0.26559 1.00000
  La8 La 0.33569 0.83569 0.26559 1.00000
  La9 La 0.50000 0.50000 0.00000 1.00000
  La10 La 0.00000 0.00000 0.00000 1.00000
  Pm1 Pm 0.11378 0.38622 0.00000 1.00000
  Pm2 Pm 0.61378 0.11378 0.00000 1.00000
  Pm3 Pm 0.38622 0.88622 1.00000 1.00000
  Pm4 Pm 0.88622 0.61378 0.00000 1.00000
  Er1 Er 0.25000 0.75000 0.50000 1.00000
  Er2 Er 0.75000 0.25000 0.50000 1.00000
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