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Ac2Mg15Ag2

Alexandria ALEX

Alex-ID: agm003301889 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Ac2Mg15Ag2
Alex-ID
agm003301889
Elements
3
Sites
19
Space group
R-3m (#166)
Crystal system
trigonal
Volume
468.50
ų
Cell a
7.8299
Å
Cell b
7.8299
Å
Cell c
7.8299
Å
α angle
82.43
°
β angle
82.43
°
γ angle
82.43
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac2Mg15Ag2
Ac
2.00 · 10.5%
Mg
15.00 · 78.9%
Ag
2.00 · 10.5%

Energy & Stability

Energy above hull
0.0451
eV/atom
Formation energy
-0.0890
eV/atom
Corrected total energy
-39.5286
eV
Raw total energy
-39.5286
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.3135
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C15_1_spg166

Decomposition

AcMg3Ag2 Ac2Mg17 AcMg9Ag2

Computed at

2022-01-18 00:31:43.198129

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: agm003301889).

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 agm003301889
data_agm003301889
_cell_length_a     7.82993
_cell_length_b     7.82993
_cell_length_c     7.82993
_cell_angle_alpha  82.43024
_cell_angle_beta   82.43024
_cell_angle_gamma  82.43024
_cell_volume       468.49824
_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
  Ac1 Ac 0.33240 0.33240 0.33240 1.00000
  Ac2 Ac 0.66760 0.66760 0.66760 1.00000
  Mg1 Mg 0.50000 0.00000 0.00000 1.00000
  Mg2 Mg 0.00000 0.00000 0.50000 1.00000
  Mg3 Mg 0.00000 0.50000 0.00000 1.00000
  Mg4 Mg 0.00000 0.70821 0.29179 1.00000
  Mg5 Mg 0.70821 0.29179 0.00000 1.00000
  Mg6 Mg 0.29179 0.00000 0.70821 1.00000
  Mg7 Mg 0.29179 0.70821 0.00000 1.00000
  Mg8 Mg 0.70821 0.00000 0.29179 1.00000
  Mg9 Mg 0.00000 0.29179 0.70821 1.00000
  Mg10 Mg 0.15415 0.65301 0.65301 1.00000
  Mg11 Mg 0.65301 0.65301 0.15415 1.00000
  Mg12 Mg 0.65301 0.15415 0.65301 1.00000
  Mg13 Mg 0.84585 0.34699 0.34699 1.00000
  Mg14 Mg 0.34699 0.34699 0.84585 1.00000
  Mg15 Mg 0.34699 0.84585 0.34699 1.00000
  Ag1 Ag 0.09986 0.09986 0.09986 1.00000
  Ag2 Ag 0.90014 0.90014 0.90014 1.00000
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