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Mg2BeCo5Si2

Alexandria ALEX

Alex-ID: agm005133585 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Mg2BeCo5Si2
Alex-ID
agm005133585
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
239.57
ų
Cell a
2.8593
Å
Cell b
9.1534
Å
Cell c
9.1534
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2BeCo5Si2
Mg
4.00 · 20.0%
Be
2.00 · 10.0%
Co
10.00 · 50.0%
Si
4.00 · 20.0%

Energy & Stability

Energy above hull
0.1657
eV/atom
Formation energy
-0.2231
eV/atom
Corrected total energy
-111.2220
eV
Raw total energy
-111.2220
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0002
eV
DOS at Fermi level
15.2005
Total magnetisation
-0.0019
μB

Additional Information

Prototype ID

AB2C2D5_6_spg127

Decomposition

MgCo2 BeCo2Si Mg6Co16Si7 Mg

Computed at

2022-07-14 16:10:27.723880

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: agm005133585).

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 agm005133585
data_agm005133585
_cell_length_a     2.85932
_cell_length_b     9.15344
_cell_length_c     9.15344
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       239.56922
_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 0.66979 0.16979 1.00000
  Mg2 Mg 0.00000 0.33021 0.83021 1.00000
  Mg3 Mg 0.00000 0.16979 0.33021 1.00000
  Mg4 Mg 0.00000 0.83021 0.66979 1.00000
  Be1 Be 0.00000 0.00000 0.00000 1.00000
  Be2 Be 0.00000 0.50000 0.50000 1.00000
  Co1 Co 0.50000 0.18946 0.06488 1.00000
  Co2 Co 0.50000 0.81054 0.93512 1.00000
  Co3 Co 0.50000 0.06488 0.81054 1.00000
  Co4 Co 0.50000 0.68946 0.43512 1.00000
  Co5 Co 0.50000 0.93512 0.18946 1.00000
  Co6 Co 0.50000 0.31054 0.56488 1.00000
  Co7 Co 0.50000 0.56488 0.68946 1.00000
  Co8 Co 0.50000 0.43512 0.31054 1.00000
  Co9 Co 0.50000 0.50000 0.00000 1.00000
  Co10 Co 0.50000 0.00000 0.50000 1.00000
  Si1 Si 0.00000 0.13322 0.63322 1.00000
  Si2 Si 0.00000 0.86678 0.36678 1.00000
  Si3 Si 0.00000 0.63322 0.86678 1.00000
  Si4 Si 0.00000 0.36678 0.13322 1.00000
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