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Na2CoO3

Alexandria ALEX

Alex-ID: agm005222994 · Space group: P1 (#1)

Basic Information

Formula
Na2CoO3
Alex-ID
agm005222994
Elements
3
Sites
24
Space group
P1 (#1)
Crystal system
triclinic
Volume
264.86
ų
Cell a
5.4377
Å
Cell b
6.9693
Å
Cell c
7.1670
Å
α angle
80.11
°
β angle
83.27
°
γ angle
84.31
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2CoO3
Na
8.00 · 33.3%
Co
4.00 · 16.7%
O
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0519
eV/atom
Formation energy
-1.4854
eV/atom
Corrected total energy
-134.1963
eV
Raw total energy
-118.2728
eV

Electronic Structure

Indirect band gap
0.2643
eV
Direct band gap
0.4023
eV
DOS at Fermi level
0.4855
Total magnetisation
7.9968
μB

Additional Information

Prototype ID

AB2C3_4474_spg15

Decomposition

NaCoO2 Na4CoO4 Na3O4

Computed at

2023-05-09 23:46:53.898625

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: agm005222994).

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 agm005222994
data_agm005222994
_cell_length_a     5.43771
_cell_length_b     6.96929
_cell_length_c     7.16699
_cell_angle_alpha  80.11354
_cell_angle_beta   83.27233
_cell_angle_gamma  84.30609
_cell_volume       264.86154
_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 0.74828 0.75237 0.74671 1.00000
  Na2 Na 0.24845 0.25029 0.25224 1.00000
  Na3 Na 0.99276 0.99824 0.99654 1.00000
  Na4 Na 0.50460 0.50122 0.50122 1.00000
  Na5 Na 0.75035 0.40473 0.08708 1.00000
  Na6 Na 0.26132 0.90228 0.58588 1.00000
  Na7 Na 0.74907 0.09813 0.41199 1.00000
  Na8 Na 0.24229 0.59353 0.91517 1.00000
  Co1 Co 0.47744 0.17444 0.84089 1.00000
  Co2 Co 0.01892 0.32705 0.66917 1.00000
  Co3 Co 0.00043 0.67031 0.32713 1.00000
  Co4 Co 0.50990 0.83302 0.16318 1.00000
  O1 O 0.40978 0.90781 0.89884 1.00000
  O2 O 0.91644 0.41293 0.38982 1.00000
  O3 O 0.09131 0.58500 0.62151 1.00000
  O4 O 0.58195 0.09448 0.10772 1.00000
  O5 O 0.61049 0.40196 0.80613 1.00000
  O6 O 0.15899 0.90210 0.28538 1.00000
  O7 O 0.66777 0.79025 0.40218 1.00000
  O8 O 0.12896 0.29105 0.91881 1.00000
  O9 O 0.90279 0.09562 0.68896 1.00000
  O10 O 0.34085 0.59271 0.21294 1.00000
  O11 O 0.81163 0.71778 0.07533 1.00000
  O12 O 0.37524 0.20269 0.59518 1.00000
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