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Mg2Cu

Alexandria ALEX

Alex-ID: agm002159665 · Space group: I4/mcm (#140)

Basic Information

Formula
Mg2Cu
Alex-ID
agm002159665
Elements
2
Sites
6
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
109.17
ų
Cell a
5.2674
Å
Cell b
5.2674
Å
Cell c
5.2674
Å
α angle
104.14
°
β angle
104.14
°
γ angle
120.76
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2Cu
Mg
4.00 · 66.7%
Cu
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0170
eV/atom
Formation energy
-0.0890
eV/atom
Corrected total energy
-15.2321
eV
Raw total energy
-15.2321
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.0508
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_36_spg12

Decomposition

Mg2Cu

Computed at

2018-05-24 15:27:36

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: agm002159665).

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 agm002159665
data_agm002159665
_cell_length_a     5.26740
_cell_length_b     5.26740
_cell_length_c     5.26740
_cell_angle_alpha  104.13824
_cell_angle_beta   104.13824
_cell_angle_gamma  120.76215
_cell_volume       109.17393
_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 0.16753 0.66753 0.83506 1.00000
  Mg2 Mg 0.33247 0.16753 0.50000 1.00000
  Mg3 Mg 0.83247 0.33247 0.16494 1.00000
  Mg4 Mg 0.66753 0.83247 0.50000 1.00000
  Cu1 Cu 0.25000 0.25000 0.00000 1.00000
  Cu2 Cu 0.75000 0.75000 0.00000 1.00000
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