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Mg(NiAs)2

Alexandria ALEX

Alex-ID: agm002995327 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Mg(NiAs)2
Alex-ID
agm002995327
Elements
3
Sites
10
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
153.33
ų
Cell a
7.1754
Å
Cell b
7.1754
Å
Cell c
2.9781
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg(NiAs)2
Ni
4.00 · 40.0%
As
4.00 · 40.0%
Mg
2.00 · 20.0%

Energy & Stability

Energy above hull
0.3063
eV/atom
Formation energy
-0.1065
eV/atom
Corrected total energy
-45.9883
eV
Raw total energy
-45.9883
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.3259
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_3_spg127

Decomposition

MgNiAs Mg3As2 Ni11As8

Computed at

2017-07-12 20:24:26

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: agm002995327).

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 agm002995327
data_agm002995327
_cell_length_a     7.17543
_cell_length_b     7.17543
_cell_length_c     2.97810
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       153.33285
_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
  Ni1 Ni 0.13114 0.63114 0.50000 1.00000
  Ni2 Ni 0.63114 0.86886 0.50000 1.00000
  Ni3 Ni 0.86886 0.36886 0.50000 1.00000
  Ni4 Ni 0.36886 0.13114 0.50000 1.00000
  As1 As 0.34604 0.84604 0.00000 1.00000
  As2 As 0.84604 0.65396 0.00000 1.00000
  As3 As 0.65396 0.15396 0.00000 1.00000
  As4 As 0.15396 0.34604 0.00000 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Mg2 Mg 0.50000 0.50000 0.00000 1.00000
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