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Ac4MgCr3O12

Alexandria ALEX

Alex-ID: agm044225962 · Space group: Im-3m (#229)

Alexandria Database API

Basic Information

Formula
Ac4MgCr3O12
Alex-ID
agm044225962
Elements
4
Sites
20
Space group
Im-3m (#229)
Crystal system
cubic
Volume
252.20
ų
Cell a
6.8937
Å
Cell b
6.8937
Å
Cell c
6.8937
Å
α angle
109.47
°
β angle
109.47
°
γ angle
109.47
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac4MgCr3O12
Ac
4.00 · 20.0%
Mg
1.00 · 5.0%
Cr
3.00 · 15.0%
O
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0331
eV/atom
Formation energy
-3.1477
eV/atom
Corrected total energy
-169.3504
eV
Raw total energy
-154.8839
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
12.7770
Total magnetisation
8.0000
μB

Additional Information

Prototype ID

AB3C4D12_0_spg155

Decomposition

Ac2MgCrO6 AcCrO3

Computed at

2024-10-24 18:53:41.406260

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: agm044225962).

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 agm044225962
data_agm044225962
_cell_length_a     6.89372
_cell_length_b     6.89372
_cell_length_c     6.89372
_cell_angle_alpha  109.47122
_cell_angle_beta   109.47122
_cell_angle_gamma  109.47122
_cell_volume       252.19671
_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 0.00000 0.50000 0.00000 1.00000
  Ac2 Ac 0.50000 0.50000 0.50000 1.00000
  Ac3 Ac 0.00000 0.00000 0.50000 1.00000
  Ac4 Ac 0.50000 0.00000 0.00000 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Cr1 Cr 0.50000 0.50000 0.00000 1.00000
  Cr2 Cr 0.50000 0.00000 0.50000 1.00000
  Cr3 Cr 0.00000 0.50000 0.50000 1.00000
  O1 O 0.25000 0.75000 0.50000 1.00000
  O2 O 0.74408 0.74408 0.00000 1.00000
  O3 O 0.25592 0.25592 0.00000 1.00000
  O4 O 0.75000 0.25000 0.50000 1.00000
  O5 O 0.25592 0.00000 0.25592 1.00000
  O6 O 0.74408 0.00000 0.74408 1.00000
  O7 O 0.25000 0.50000 0.75000 1.00000
  O8 O 0.75000 0.50000 0.25000 1.00000
  O9 O 0.50000 0.75000 0.25000 1.00000
  O10 O 0.00000 0.74408 0.74408 1.00000
  O11 O 0.50000 0.25000 0.75000 1.00000
  O12 O 0.00000 0.25592 0.25592 1.00000
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