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Np2As7Pd12

Alexandria ALEX

Alex-ID: agm005674555 · Space group: P-3 (#147)

Basic Information

Formula
Np2As7Pd12
Alex-ID
agm005674555
Elements
3
Sites
21
Space group
P-3 (#147)
Crystal system
trigonal
Volume
361.38
ų
Cell a
4.0570
Å
Cell b
10.1417
Å
Cell c
10.1417
Å
α angle
120.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Np2As7Pd12
Np
2.00 · 9.5%
As
7.00 · 33.3%
Pd
12.00 · 57.1%

Energy & Stability

Energy above hull
0.0024
eV/atom
Formation energy
-0.4507
eV/atom
Corrected total energy
-130.2074
eV
Raw total energy
-130.2074
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
24.9023
Total magnetisation
8.8771
μB

Additional Information

Prototype ID

A2B7C12_5_spg147

Decomposition

Np5As12Pd19 AsPd2

Computed at

2023-06-21 06:05:22.615196

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: agm005674555).

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 agm005674555
data_agm005674555
_cell_length_a     4.05703
_cell_length_b     10.14168
_cell_length_c     10.14168
_cell_angle_alpha  120.00001
_cell_angle_beta   89.99999
_cell_angle_gamma  90.00001
_cell_volume       361.37558
_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 0.24664 0.33333 0.66667 1.00000
  Np2 Np 0.75336 0.66667 0.33333 1.00000
  As1 As 0.50000 0.00000 0.00000 1.00000
  As2 As 0.25308 0.87025 0.28921 1.00000
  As3 As 0.25308 0.41895 0.12975 1.00000
  As4 As 0.25308 0.71079 0.58105 1.00000
  As5 As 0.74692 0.12975 0.71079 1.00000
  As6 As 0.74692 0.58105 0.87025 1.00000
  As7 As 0.74692 0.28921 0.41895 1.00000
  Pd1 Pd 0.25234 0.61509 0.04697 1.00000
  Pd2 Pd 0.25234 0.43188 0.38491 1.00000
  Pd3 Pd 0.25234 0.95303 0.56812 1.00000
  Pd4 Pd 0.74766 0.38491 0.95303 1.00000
  Pd5 Pd 0.74766 0.56812 0.61509 1.00000
  Pd6 Pd 0.74766 0.04697 0.43188 1.00000
  Pd7 Pd 0.23226 0.10189 0.25390 1.00000
  Pd8 Pd 0.23226 0.15201 0.89811 1.00000
  Pd9 Pd 0.23226 0.74610 0.84799 1.00000
  Pd10 Pd 0.76774 0.89811 0.74610 1.00000
  Pd11 Pd 0.76774 0.84799 0.10189 1.00000
  Pd12 Pd 0.76774 0.25390 0.15201 1.00000
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