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Na2Co3O4

Alexandria ALEX

Alex-ID: agm006219782 · Space group: Pnma (#62)

Basic Information

Formula
Na2Co3O4
Alex-ID
agm006219782
Elements
3
Sites
36
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
456.05
ų
Cell a
5.3566
Å
Cell b
7.7873
Å
Cell c
10.9330
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2Co3O4
Na
8.00 · 22.2%
Co
12.00 · 33.3%
O
16.00 · 44.4%

Energy & Stability

Energy above hull
0.0572
eV/atom
Formation energy
-1.3514
eV/atom
Corrected total energy
-224.0199
eV
Raw total energy
-190.2953
eV

Electronic Structure

Indirect band gap
0.7799
eV
Direct band gap
0.8717
eV
DOS at Fermi level
-0.4474
Total magnetisation
36.2449
μB

Additional Information

Prototype ID

A2B3C4_253_spg62

Decomposition

NaCoO2 Co

Computed at

2024-02-04 04:05:02

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: agm006219782).

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 agm006219782
data_agm006219782
_cell_length_a     5.35658
_cell_length_b     7.78726
_cell_length_c     10.93304
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00093
_cell_angle_gamma  90.00000
_cell_volume       456.05034
_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 0.99999 0.00000 0.00001 1.00000
  Na2 Na 0.99999 0.50000 0.00001 1.00000
  Na3 Na 0.51233 0.75000 0.03101 1.00000
  Na4 Na 0.01233 0.25000 0.46901 1.00000
  Na5 Na 0.49998 1.00000 0.50001 1.00000
  Na6 Na 0.49998 0.50000 0.50001 1.00000
  Na7 Na 0.98762 0.75000 0.53103 1.00000
  Na8 Na 0.48765 0.25000 0.96899 1.00000
  Co1 Co 0.82808 0.25000 0.19756 1.00000
  Co2 Co 0.87820 0.58508 0.26146 1.00000
  Co3 Co 0.87820 0.91492 0.26146 1.00000
  Co4 Co 0.37819 0.08508 0.23856 1.00000
  Co5 Co 0.37819 0.41492 0.23856 1.00000
  Co6 Co 0.32810 0.75000 0.30245 1.00000
  Co7 Co 0.67192 0.25000 0.69756 1.00000
  Co8 Co 0.62182 0.58508 0.76146 1.00000
  Co9 Co 0.62182 0.91492 0.76146 1.00000
  Co10 Co 0.12182 0.08507 0.73858 1.00000
  Co11 Co 0.12182 0.41493 0.73858 1.00000
  Co12 Co 0.17192 0.75000 0.80246 1.00000
  O1 O 0.66839 0.47416 0.13523 1.00000
  O2 O 0.66839 0.02584 0.13523 1.00000
  O3 O 0.10713 0.75000 0.15528 1.00000
  O4 O 0.17421 0.25000 0.13958 1.00000
  O5 O 0.67423 0.75000 0.36043 1.00000
  O6 O 0.60713 0.25000 0.34473 1.00000
  O7 O 0.16840 0.52584 0.36478 1.00000
  O8 O 0.16840 0.97416 0.36478 1.00000
  O9 O 0.83162 0.02584 0.63524 1.00000
  O10 O 0.83162 0.47416 0.63524 1.00000
  O11 O 0.39285 0.75000 0.65530 1.00000
  O12 O 0.32579 0.25000 0.63962 1.00000
  O13 O 0.82580 0.75000 0.86044 1.00000
  O14 O 0.89288 0.25000 0.84474 1.00000
  O15 O 0.33163 0.52585 0.86479 1.00000
  O16 O 0.33163 0.97415 0.86479 1.00000
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