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Ca2Co9O13

Alexandria ALEX

Alex-ID: agm005237359 · Space group: C2/m (#12)

Basic Information

Formula
Ca2Co9O13
Alex-ID
agm005237359
Elements
3
Sites
24
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
236.29
ų
Cell a
5.1609
Å
Cell b
5.1609
Å
Cell c
16.2550
Å
α angle
80.58
°
β angle
80.58
°
γ angle
33.64
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2Co9O13
Ca
2.00 · 8.3%
Co
9.00 · 37.5%
O
13.00 · 54.2%

Energy & Stability

Energy above hull
0.1238
eV/atom
Formation energy
-1.5656
eV/atom
Corrected total energy
-170.1492
eV
Raw total energy
-144.1534
eV

Electronic Structure

Indirect band gap
0.9085
eV
Direct band gap
1.0211
eV
DOS at Fermi level
-0.0404
Total magnetisation
-14.9679
μB

Additional Information

Prototype ID

A2B9C13_0_spg12

Decomposition

CoO Co3O4 CaO

Computed at

2023-05-09 22:15:30.419692

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: agm005237359).

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 agm005237359
data_agm005237359
_cell_length_a     5.16087
_cell_length_b     5.16087
_cell_length_c     16.25495
_cell_angle_alpha  80.58321
_cell_angle_beta   80.58321
_cell_angle_gamma  33.63688
_cell_volume       236.28993
_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
  Ca1 Ca 0.77350 0.77350 0.22950 1.00000
  Ca2 Ca 0.22650 0.22650 0.77050 1.00000
  Co1 Co 0.50000 0.50000 0.50000 1.00000
  Co2 Co 0.34908 0.34908 0.03886 1.00000
  Co3 Co 0.65092 0.65092 0.96114 1.00000
  Co4 Co 0.24309 0.24309 0.42001 1.00000
  Co5 Co 0.75691 0.75691 0.57999 1.00000
  Co6 Co 0.05322 0.05322 0.12169 1.00000
  Co7 Co 0.94678 0.94678 0.87831 1.00000
  Co8 Co 0.99443 0.99443 0.33728 1.00000
  Co9 Co 0.00557 0.00557 0.66272 1.00000
  O1 O 0.00000 0.00000 0.00000 1.00000
  O2 O 0.10158 0.10158 0.22926 1.00000
  O3 O 0.89842 0.89842 0.77074 1.00000
  O4 O 0.68941 0.68941 0.08285 1.00000
  O5 O 0.31059 0.31059 0.91715 1.00000
  O6 O 0.42692 0.42692 0.14287 1.00000
  O7 O 0.57308 0.57308 0.85713 1.00000
  O8 O 0.37860 0.37860 0.31552 1.00000
  O9 O 0.62140 0.62140 0.68448 1.00000
  O10 O 0.60969 0.60969 0.37538 1.00000
  O11 O 0.39031 0.39031 0.62462 1.00000
  O12 O 0.87704 0.87704 0.45827 1.00000
  O13 O 0.12296 0.12296 0.54173 1.00000
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