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PmNpAl6

Alexandria ALEX

Alex-ID: agm015338043 · Space group: P-6m2 (#187)

Basic Information

Formula
PmNpAl6
Alex-ID
agm015338043
Elements
3
Sites
8
Space group
P-6m2 (#187)
Crystal system
hexagonal
Volume
159.06
ų
Cell a
6.2642
Å
Cell b
6.2642
Å
Cell c
4.6807
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmNpAl6
Pm
1.00 · 12.5%
Np
1.00 · 12.5%
Al
6.00 · 75.0%

Energy & Stability

Energy above hull
0.0353
eV/atom
Formation energy
-0.2646
eV/atom
Corrected total energy
-42.2815
eV
Raw total energy
-42.2815
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
13.4630
Total magnetisation
4.1240
μB

Additional Information

Prototype ID

ABC6_133_spg38

Decomposition

NpAl3 PmAl3

Computed at

2024-12-30 20:44:52

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: agm015338043).

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 agm015338043
data_agm015338043
_cell_length_a     6.26418
_cell_length_b     6.26418
_cell_length_c     4.68067
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       159.06254
_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
  Pm1 Pm 0.66667 0.33333 0.50000 1.00000
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  Al1 Al 0.63727 0.81864 0.50000 1.00000
  Al2 Al 0.18136 0.36273 0.50000 1.00000
  Al3 Al 0.18136 0.81864 0.50000 1.00000
  Al4 Al 0.03832 0.51916 0.00000 1.00000
  Al5 Al 0.48084 0.96168 0.00000 1.00000
  Al6 Al 0.48084 0.51916 0.00000 1.00000
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