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LaPr7

Alexandria ALEX

Alex-ID: agm040554204 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
LaPr7
Alex-ID
agm040554204
Elements
2
Sites
8
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
291.58
ų
Cell a
11.1865
Å
Cell b
11.1865
Å
Cell c
11.1865
Å
α angle
152.82
°
β angle
152.82
°
γ angle
38.82
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaPr7
La
1.00 · 12.5%
Pr
7.00 · 87.5%

Energy & Stability

Energy above hull
0.0176
eV/atom
Formation energy
0.0155
eV/atom
Corrected total energy
-38.2912
eV
Raw total energy
-38.2912
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
13.9431
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB7_57_spg139

Decomposition

La3Pr5 Pr

Computed at

2025-07-01 04:22:12

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: agm040554204).

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 agm040554204
data_agm040554204
_cell_length_a     11.18653
_cell_length_b     11.18653
_cell_length_c     11.18653
_cell_angle_alpha  152.82027
_cell_angle_beta   152.82027
_cell_angle_gamma  38.81663
_cell_volume       291.58419
_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
  La1 La 0.00000 0.00000 0.00000 1.00000
  Pr1 Pr 0.75051 0.75051 0.00000 1.00000
  Pr2 Pr 0.24949 0.24949 0.00000 1.00000
  Pr3 Pr 0.50000 0.50000 0.00000 1.00000
  Pr4 Pr 0.87451 0.37451 0.50000 1.00000
  Pr5 Pr 0.37451 0.87451 0.50000 1.00000
  Pr6 Pr 0.12549 0.62549 0.50000 1.00000
  Pr7 Pr 0.62549 0.12549 0.50000 1.00000
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