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Np2Al5Zn12

Alexandria ALEX

Alex-ID: agm005679972 · Space group: R-3m (#166)

Basic Information

Formula
Np2Al5Zn12
Alex-ID
agm005679972
Elements
3
Sites
19
Space group
R-3m (#166)
Crystal system
trigonal
Volume
316.45
ų
Cell a
6.8677
Å
Cell b
6.8677
Å
Cell c
6.8677
Å
α angle
82.59
°
β angle
82.59
°
γ angle
82.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np2Al5Zn12
Np
2.00 · 10.5%
Al
5.00 · 26.3%
Zn
12.00 · 63.2%

Energy & Stability

Energy above hull
0.0274
eV/atom
Formation energy
-0.0434
eV/atom
Corrected total energy
-60.7716
eV
Raw total energy
-60.7716
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
19.5433
Total magnetisation
8.4889
μB

Additional Information

Prototype ID

A2B5C12_0_spg166

Decomposition

Np2AlZn16 NpAl3 Al3Zn4

Computed at

2023-06-23 01:44:24.796479

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: agm005679972).

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 agm005679972
data_agm005679972
_cell_length_a     6.86768
_cell_length_b     6.86768
_cell_length_c     6.86768
_cell_angle_alpha  82.59382
_cell_angle_beta   82.59383
_cell_angle_gamma  82.59383
_cell_volume       316.44931
_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 0.67416 0.67416 0.67416 1.00000
  Np2 Np 0.32584 0.32584 0.32584 1.00000
  Al1 Al 0.00000 0.00000 0.50000 1.00000
  Al2 Al 0.00000 0.50000 0.00000 1.00000
  Al3 Al 0.50000 0.00000 0.00000 1.00000
  Al4 Al 0.90117 0.90117 0.90117 1.00000
  Al5 Al 0.09883 0.09883 0.09883 1.00000
  Zn1 Zn 0.30050 0.69950 1.00000 1.00000
  Zn2 Zn 0.69950 0.00000 0.30050 1.00000
  Zn3 Zn 0.00000 0.30050 0.69950 1.00000
  Zn4 Zn 0.69950 0.30050 0.00000 1.00000
  Zn5 Zn 0.30050 1.00000 0.69950 1.00000
  Zn6 Zn 1.00000 0.69950 0.30050 1.00000
  Zn7 Zn 0.35742 0.35742 0.83593 1.00000
  Zn8 Zn 0.35742 0.83593 0.35742 1.00000
  Zn9 Zn 0.83593 0.35742 0.35742 1.00000
  Zn10 Zn 0.64258 0.16407 0.64258 1.00000
  Zn11 Zn 0.64258 0.64258 0.16407 1.00000
  Zn12 Zn 0.16407 0.64258 0.64258 1.00000
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