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MgCu2N

Alexandria ALEX

Alex-ID: agm002860192 · Space group: I-42d (#122)

Basic Information

Formula
MgCu2N
Alex-ID
agm002860192
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
129.59
ų
Cell a
4.7955
Å
Cell b
4.7955
Å
Cell c
6.5769
Å
α angle
68.62
°
β angle
68.62
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgCu2N
Mg
2.00 · 25.0%
Cu
4.00 · 50.0%
N
2.00 · 25.0%

Energy & Stability

Energy above hull
0.6760
eV/atom
Formation energy
0.2972
eV/atom
Corrected total energy
-33.3559
eV
Raw total energy
-33.3559
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.8584
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_1068_spg122

Decomposition

Mg3N2 Cu Mg2N3

Computed at

2017-01-18 19:53:26

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: agm002860192).

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 agm002860192
data_agm002860192
_cell_length_a     4.79545
_cell_length_b     4.79545
_cell_length_c     6.57687
_cell_angle_alpha  68.61892
_cell_angle_beta   68.61892
_cell_angle_gamma  90.00000
_cell_volume       129.59220
_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
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Mg2 Mg 0.75000 0.25000 0.50000 1.00000
  Cu1 Cu 0.41110 0.12500 0.25000 1.00000
  Cu2 Cu 0.33890 0.62500 0.25000 1.00000
  Cu3 Cu 0.37500 0.58890 0.75000 1.00000
  Cu4 Cu 0.87500 0.66110 0.75000 1.00000
  N1 N 0.50000 0.50000 0.00000 1.00000
  N2 N 0.25000 0.75000 0.50000 1.00000
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