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CaPmAu4

Alexandria ALEX

Alex-ID: agm003742002 · Space group: Cmmm (#65)

Basic Information

Formula
CaPmAu4
Alex-ID
agm003742002
Elements
3
Sites
6
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
133.25
ų
Cell a
5.3756
Å
Cell b
5.3366
Å
Cell c
5.3341
Å
α angle
60.55
°
β angle
89.95
°
γ angle
89.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaPmAu4
Ca
1.00 · 16.7%
Pm
1.00 · 16.7%
Au
4.00 · 66.7%

Energy & Stability

Energy above hull
0.0122
eV/atom
Formation energy
-0.7443
eV/atom
Corrected total energy
-24.3278
eV
Raw total energy
-24.3278
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.4183
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_1111_spg65

Decomposition

Ca3Au5 PmAu2 PmAu3

Computed at

2022-04-18 07:46:24.005397

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: agm003742002).

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 agm003742002
data_agm003742002
_cell_length_a     5.37562
_cell_length_b     5.33659
_cell_length_c     5.33406
_cell_angle_alpha  60.55288
_cell_angle_beta   89.94892
_cell_angle_gamma  89.93548
_cell_volume       133.25187
_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 0.00125 0.99750 0.49797 1.00000
  Pm1 Pm 0.50134 0.49707 0.99833 1.00000
  Au1 Au 0.50164 0.83171 0.33289 1.00000
  Au2 Au 0.50084 0.16222 0.66397 1.00000
  Au3 Au 0.00174 0.33046 0.83025 1.00000
  Au4 Au 0.00099 0.66476 0.16542 1.00000
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