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Ca5Pr2

Alexandria ALEX

Alex-ID: agm007809970 · Space group: I4/mmm (#139)

Basic Information

Formula
Ca5Pr2
Alex-ID
agm007809970
Elements
2
Sites
7
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
280.89
ų
Cell a
19.3772
Å
Cell b
19.3772
Å
Cell c
19.3772
Å
α angle
168.67
°
β angle
168.67
°
γ angle
16.05
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca5Pr2
Ca
5.00 · 71.4%
Pr
2.00 · 28.6%

Energy & Stability

Energy above hull
0.0152
eV/atom
Formation energy
0.0152
eV/atom
Corrected total energy
-19.4717
eV
Raw total energy
-19.4717
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0019
eV
DOS at Fermi level
9.5189
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B5_7_spg139

Decomposition

Pr Ca

Computed at

2025-04-21 18:26:06

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: agm007809970).

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 agm007809970
data_agm007809970
_cell_length_a     19.37719
_cell_length_b     19.37719
_cell_length_c     19.37719
_cell_angle_alpha  168.66815
_cell_angle_beta   168.66815
_cell_angle_gamma  16.05200
_cell_volume       280.89092
_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
  Ca1 Ca 0.14752 0.14752 0.00000 1.00000
  Ca2 Ca 0.57347 0.57347 0.00000 1.00000
  Ca3 Ca 0.00000 0.00000 0.00000 1.00000
  Ca4 Ca 0.42653 0.42653 0.00000 1.00000
  Ca5 Ca 0.85248 0.85248 0.00000 1.00000
  Pr1 Pr 0.28130 0.28130 0.00000 1.00000
  Pr2 Pr 0.71870 0.71870 0.00000 1.00000
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