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CaPaNiAs2

Alexandria ALEX

Alex-ID: agm005010672 · Space group: P3m1 (#156)

Basic Information

Formula
CaPaNiAs2
Alex-ID
agm005010672
Elements
4
Sites
5
Space group
P3m1 (#156)
Crystal system
trigonal
Volume
112.51
ų
Cell a
3.9403
Å
Cell b
3.9403
Å
Cell c
8.3676
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaPaNiAs2
Ca
1.00 · 20.0%
Pa
1.00 · 20.0%
Ni
1.00 · 20.0%
As
2.00 · 40.0%

Energy & Stability

Energy above hull
0.3383
eV/atom
Formation energy
-0.6837
eV/atom
Corrected total energy
-30.0021
eV
Raw total energy
-30.0021
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.2449
Total magnetisation
-0.0188
μB

Additional Information

Prototype ID

ABCD2_391_spg156

Decomposition

CaPa(NiAs)2 PaNiAs Ca2PaAs3

Computed at

2022-07-03 23:40:09.331342

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: agm005010672).

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 agm005010672
data_agm005010672
_cell_length_a     3.94034
_cell_length_b     3.94034
_cell_length_c     8.36764
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       112.51268
_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
  Ca1 Ca 0.00000 0.00000 0.97804 1.00000
  Pa1 Pa 0.66667 0.33333 0.41890 1.00000
  Ni1 Ni 0.33333 0.66667 0.64930 1.00000
  As1 As 0.33333 0.66667 0.20532 1.00000
  As2 As 0.66667 0.33333 0.74843 1.00000
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