Navigation

HEAS Data Platform · Materials Science Database

MgCr2O4

Alexandria ALEX

Alex-ID: agm005279293 · Space group: Pmmn (#59)

Alexandria Database API

Basic Information

Formula
MgCr2O4
Alex-ID
agm005279293
Elements
3
Sites
28
Space group
Pmmn (#59)
Crystal system
orthorhombic
Volume
308.25
ų
Cell a
5.1102
Å
Cell b
5.8788
Å
Cell c
10.2608
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgCr2O4
Mg
4.00 · 14.3%
Cr
8.00 · 28.6%
O
16.00 · 57.1%

Energy & Stability

Energy above hull
0.1300
eV/atom
Formation energy
-2.4869
eV/atom
Corrected total energy
-232.3295
eV
Raw total energy
-204.9888
eV

Electronic Structure

Indirect band gap
2.5098
eV
Direct band gap
2.5258
eV
DOS at Fermi level
0.0000
Total magnetisation
24.0000
μB

Additional Information

Prototype ID

AB2C4_51_spg1

Decomposition

MgCr2O4

Computed at

2022-12-13 01:38:44.738953

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: agm005279293).

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 agm005279293
data_agm005279293
_cell_length_a     5.11024
_cell_length_b     5.87877
_cell_length_c     10.26077
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       308.25270
_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 0.85571 0.00000 0.50000 1.00000
  Mg2 Mg 0.14429 0.50000 0.00000 1.00000
  Mg3 Mg 0.52821 0.00000 0.00000 1.00000
  Mg4 Mg 0.47179 0.50000 0.50000 1.00000
  Cr1 Cr 0.51157 0.50000 0.23558 1.00000
  Cr2 Cr 0.51157 0.50000 0.76442 1.00000
  Cr3 Cr 0.48843 0.00000 0.26442 1.00000
  Cr4 Cr 0.48843 0.00000 0.73558 1.00000
  Cr5 Cr 0.00000 0.25000 0.25000 1.00000
  Cr6 Cr 0.00000 0.75000 0.75000 1.00000
  Cr7 Cr 0.00000 0.75000 0.25000 1.00000
  Cr8 Cr 0.00000 0.25000 0.75000 1.00000
  O1 O 0.85691 0.50000 0.14170 1.00000
  O2 O 0.85691 0.50000 0.85830 1.00000
  O3 O 0.14309 0.00000 0.35830 1.00000
  O4 O 0.14309 0.00000 0.64170 1.00000
  O5 O 0.19467 0.50000 0.34752 1.00000
  O6 O 0.19467 0.50000 0.65248 1.00000
  O7 O 0.80533 0.00000 0.15248 1.00000
  O8 O 0.80533 0.00000 0.84752 1.00000
  O9 O 0.66585 0.25407 0.36169 1.00000
  O10 O 0.66585 0.74593 0.63831 1.00000
  O11 O 0.33415 0.75407 0.13831 1.00000
  O12 O 0.33415 0.24593 0.86169 1.00000
  O13 O 0.33415 0.24593 0.13831 1.00000
  O14 O 0.33415 0.75407 0.86169 1.00000
  O15 O 0.66585 0.74593 0.36169 1.00000
  O16 O 0.66585 0.25407 0.63831 1.00000
Get direct link