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MgBe2Au

Alexandria ALEX

Alex-ID: agm002798331 · Space group: I4_1/amd (#141)

Basic Information

Formula
MgBe2Au
Alex-ID
agm002798331
Elements
3
Sites
8
Space group
I4_1/amd (#141)
Crystal system
tetragonal
Volume
137.91
ų
Cell a
4.1013
Å
Cell b
4.1013
Å
Cell c
8.6963
Å
α angle
76.36
°
β angle
76.36
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgBe2Au
Be
4.00 · 50.0%
Mg
2.00 · 25.0%
Au
2.00 · 25.0%

Energy & Stability

Energy above hull
0.4714
eV/atom
Formation energy
0.1700
eV/atom
Corrected total energy
-23.2889
eV
Raw total energy
-23.2889
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.1527
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_139_spg141

Decomposition

Be MgAu

Computed at

2016-03-17 03:13:49

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: agm002798331).

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 agm002798331
data_agm002798331
_cell_length_a     4.10133
_cell_length_b     4.10133
_cell_length_c     8.69631
_cell_angle_alpha  76.36071
_cell_angle_beta   76.36071
_cell_angle_gamma  90.00000
_cell_volume       137.90620
_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
  Be1 Be 0.87452 0.12500 0.25000 1.00000
  Be2 Be 0.87548 0.62500 0.25000 1.00000
  Be3 Be 0.37500 0.12548 0.75000 1.00000
  Be4 Be 0.87500 0.12452 0.75000 1.00000
  Mg1 Mg 0.50000 0.50000 0.00000 1.00000
  Mg2 Mg 0.25000 0.75000 0.50000 1.00000
  Au1 Au 0.00000 0.00000 0.00000 1.00000
  Au2 Au 0.75000 0.25000 0.50000 1.00000
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