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MgCr2O4

Alexandria ALEX

Alex-ID: agm005258959 · Space group: Cm (#8)

Basic Information

Formula
MgCr2O4
Alex-ID
agm005258959
Elements
3
Sites
42
Space group
Cm (#8)
Crystal system
monoclinic
Volume
456.85
ų
Cell a
5.9417
Å
Cell b
5.9417
Å
Cell c
14.8571
Å
α angle
86.28
°
β angle
86.28
°
γ angle
60.87
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgCr2O4
Mg
6.00 · 14.3%
Cr
12.00 · 28.6%
O
24.00 · 57.1%

Energy & Stability

Energy above hull
0.1736
eV/atom
Formation energy
-2.4433
eV/atom
Corrected total energy
-346.6635
eV
Raw total energy
-305.6525
eV

Electronic Structure

Indirect band gap
0.9298
eV
Direct band gap
1.0913
eV
DOS at Fermi level
-0.0558
Total magnetisation
36.0000
μB

Additional Information

Prototype ID

AB2C4_3_spg156

Decomposition

MgCr2O4

Computed at

2022-12-13 11:56:44.846095

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: agm005258959).

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 agm005258959
data_agm005258959
_cell_length_a     5.94170
_cell_length_b     5.94170
_cell_length_c     14.85710
_cell_angle_alpha  86.27561
_cell_angle_beta   86.27561
_cell_angle_gamma  60.86642
_cell_volume       456.85233
_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 0.66094 0.66094 0.04065 1.00000
  Mg2 Mg 0.32899 0.32899 0.33251 1.00000
  Mg3 Mg 0.15907 0.15907 0.16627 1.00000
  Mg4 Mg 0.67051 0.67051 0.66669 1.00000
  Mg5 Mg 0.49961 0.49961 0.49956 1.00000
  Mg6 Mg 0.83949 0.83949 0.83309 1.00000
  Cr1 Cr 0.15942 0.66252 0.16626 1.00000
  Cr2 Cr 0.99946 0.99946 0.37366 1.00000
  Cr3 Cr 0.00124 0.00124 0.00270 1.00000
  Cr4 Cr 0.66252 0.15942 0.16626 1.00000
  Cr5 Cr 0.49952 0.99929 0.49977 1.00000
  Cr6 Cr 0.34236 0.34236 0.70531 1.00000
  Cr7 Cr 0.99929 0.49952 0.49977 1.00000
  Cr8 Cr 0.83947 0.34279 0.83357 1.00000
  Cr9 Cr 0.65877 0.65877 0.29262 1.00000
  Cr10 Cr 0.34279 0.83947 0.83357 1.00000
  Cr11 Cr 0.99931 0.99931 0.62689 1.00000
  Cr12 Cr 0.33834 0.33834 0.96145 1.00000
  O1 O 0.29715 0.84923 0.08342 1.00000
  O2 O 0.97852 0.97852 0.24260 1.00000
  O3 O 0.84923 0.29715 0.08342 1.00000
  O4 O 0.84180 0.84180 0.08968 1.00000
  O5 O 0.64787 0.18228 0.41601 1.00000
  O6 O 0.48781 0.48781 0.23703 1.00000
  O7 O 0.31982 0.31982 0.57417 1.00000
  O8 O 0.47684 0.00906 0.24921 1.00000
  O9 O 0.18228 0.64787 0.41601 1.00000
  O10 O 0.34215 0.34215 0.09193 1.00000
  O11 O 0.17161 0.17161 0.42916 1.00000
  O12 O 0.00906 0.47684 0.24921 1.00000
  O13 O 0.99251 0.52127 0.74962 1.00000
  O14 O 0.82766 0.82766 0.57075 1.00000
  O15 O 0.81612 0.35056 0.58420 1.00000
  O16 O 0.52127 0.99251 0.74962 1.00000
  O17 O 0.66359 0.66359 0.90500 1.00000
  O18 O 0.67925 0.67925 0.42539 1.00000
  O19 O 0.51260 0.51260 0.76283 1.00000
  O20 O 0.35056 0.81612 0.58420 1.00000
  O21 O 0.16106 0.16106 0.90821 1.00000
  O22 O 0.15754 0.69333 0.91874 1.00000
  O23 O 0.01919 0.01919 0.75949 1.00000
  O24 O 0.69333 0.15754 0.91874 1.00000
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