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NpAl5Pt2

Alexandria ALEX

Alex-ID: agm002196471 · Space group: Immm (#71)

Basic Information

Formula
NpAl5Pt2
Alex-ID
agm002196471
Elements
3
Sites
8
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
144.97
ų
Cell a
4.0360
Å
Cell b
6.4545
Å
Cell c
6.4545
Å
α angle
68.68
°
β angle
71.78
°
γ angle
71.78
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpAl5Pt2
Np
1.00 · 12.5%
Al
5.00 · 62.5%
Pt
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0881
eV/atom
Formation energy
-0.6315
eV/atom
Corrected total energy
-48.8968
eV
Raw total energy
-48.8968
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0095
eV
DOS at Fermi level
6.3025
Total magnetisation
3.9384
μB

Additional Information

Prototype ID

AB2C5_53_spg71

Decomposition

Al3Pt2 Np4(Al8Pt3)3 Np

Computed at

2018-07-01 06:37:55

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: agm002196471).

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 agm002196471
data_agm002196471
_cell_length_a     4.03597
_cell_length_b     6.45450
_cell_length_c     6.45450
_cell_angle_alpha  68.67811
_cell_angle_beta   71.78111
_cell_angle_gamma  71.78111
_cell_volume       144.96977
_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
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  Al1 Al 0.00000 0.50000 0.50000 1.00000
  Al2 Al 0.64637 0.54479 0.16246 1.00000
  Al3 Al 0.35363 0.45521 0.83754 1.00000
  Al4 Al 0.35363 0.83754 0.45521 1.00000
  Al5 Al 0.64637 0.16246 0.54479 1.00000
  Pt1 Pt 0.75411 0.74589 0.74589 1.00000
  Pt2 Pt 0.24589 0.25411 0.25411 1.00000
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