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NaMg6CrO8

Alexandria ALEX

Alex-ID: agm005265173 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
NaMg6CrO8
Alex-ID
agm005265173
Elements
4
Sites
16
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
158.15
ų
Cell a
4.2826
Å
Cell b
4.2826
Å
Cell c
8.6232
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NaMg6CrO8
Na
1.00 · 6.3%
Mg
6.00 · 37.5%
Cr
1.00 · 6.3%
O
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0982
eV/atom
Formation energy
-2.7580
eV/atom
Corrected total energy
-104.3043
eV
Raw total energy
-96.6729
eV

Electronic Structure

Indirect band gap
0.6888
eV
Direct band gap
0.6889
eV
DOS at Fermi level
-0.1898
Total magnetisation
2.9903
μB

Additional Information

Prototype ID

ABC6D8_13_spg123

Decomposition

NaCrO2 MgO

Computed at

2023-05-07 10:18:31.472650

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: agm005265173).

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 agm005265173
data_agm005265173
_cell_length_a     4.28258
_cell_length_b     4.28258
_cell_length_c     8.62322
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       158.15414
_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
  Na1 Na 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.50000 0.50000 0.00000 1.00000
  Mg2 Mg 0.50000 0.50000 0.50000 1.00000
  Mg3 Mg 0.00000 0.50000 0.23782 1.00000
  Mg4 Mg 0.00000 0.50000 0.76218 1.00000
  Mg5 Mg 0.50000 0.00000 0.23782 1.00000
  Mg6 Mg 0.50000 0.00000 0.76218 1.00000
  Cr1 Cr 0.00000 0.00000 0.50000 1.00000
  O1 O 0.00000 0.00000 0.27243 1.00000
  O2 O 0.00000 0.00000 0.72757 1.00000
  O3 O 0.50000 0.50000 0.25429 1.00000
  O4 O 0.50000 0.50000 0.74571 1.00000
  O5 O 0.00000 0.50000 0.00000 1.00000
  O6 O 0.00000 0.50000 0.50000 1.00000
  O7 O 0.50000 0.00000 0.00000 1.00000
  O8 O 0.50000 0.00000 0.50000 1.00000
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