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PmNi4AsP2

Alexandria ALEX

Alex-ID: agm004772893 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
PmNi4AsP2
Alex-ID
agm004772893
Elements
4
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
114.72
ų
Cell a
3.9471
Å
Cell b
3.9471
Å
Cell c
7.3634
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmNi4AsP2
Pm
1.00 · 12.5%
Ni
4.00 · 50.0%
As
1.00 · 12.5%
P
2.00 · 25.0%

Energy & Stability

Energy above hull
0.0628
eV/atom
Formation energy
-0.7084
eV/atom
Corrected total energy
-49.0229
eV
Raw total energy
-49.0229
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0042
eV
DOS at Fermi level
3.1606
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_350_spg123

Decomposition

Pm(NiAs)2 Pm2Ni12P7 NiAs2 PmAs

Computed at

2022-07-19 05:05:50.490625

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: agm004772893).

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 agm004772893
data_agm004772893
_cell_length_a     3.94709
_cell_length_b     3.94709
_cell_length_c     7.36337
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       114.71746
_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 0.00000 0.00000 0.50000 1.00000
  Ni1 Ni 0.00000 0.50000 0.18578 1.00000
  Ni2 Ni 0.50000 0.00000 0.81422 1.00000
  Ni3 Ni 0.50000 0.00000 0.18578 1.00000
  Ni4 Ni 0.00000 0.50000 0.81422 1.00000
  As1 As 0.00000 0.00000 0.00000 1.00000
  P1 P 0.50000 0.50000 0.33795 1.00000
  P2 P 0.50000 0.50000 0.66205 1.00000
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