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K3Na3Co2As2(CO7)2

Alexandria ALEX

Alex-ID: agm010218896 · Space group: P1 (#1)

Alexandria Database API

Basic Information

Formula
K3Na3Co2As2(CO7)2
Alex-ID
agm010218896
Elements
6
Sites
26
Space group
P1 (#1)
Crystal system
triclinic
Volume
365.62
ų
Cell a
5.5356
Å
Cell b
6.9897
Å
Cell c
9.4538
Å
α angle
89.47
°
β angle
88.40
°
γ angle
89.65
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3Na3Co2As2(CO7)2
K
3.00 · 11.5%
Na
3.00 · 11.5%
Co
2.00 · 7.7%
As
2.00 · 7.7%
C
2.00 · 7.7%
O
14.00 · 53.8%

Energy & Stability

Energy above hull
0.0224
eV/atom
Formation energy
-1.9332
eV/atom
Corrected total energy
-168.9367
eV
Raw total energy
-155.3567
eV

Electronic Structure

Indirect band gap
2.8894
eV
Direct band gap
2.9272
eV
DOS at Fermi level
0.0000
Total magnetisation
6.1032
μB

Additional Information

Prototype ID

A2B2C2D3E3F14_3_spg1

Decomposition

Na3CoAsCO7 K2NaCoAsCO7

Computed at

2025-04-02 12:05:31

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: agm010218896).

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 agm010218896
data_agm010218896
_cell_length_a     5.53563
_cell_length_b     6.98969
_cell_length_c     9.45382
_cell_angle_alpha  89.47329
_cell_angle_beta   88.39602
_cell_angle_gamma  89.64682
_cell_volume       365.62499
_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
  K1 K 0.76309 0.73720 0.07432 1.00000
  K2 K 0.25565 0.99249 0.25575 1.00000
  K3 K 0.74883 0.48395 0.73841 1.00000
  Na1 Na 0.24750 0.50314 0.26553 1.00000
  Na2 Na 0.74635 0.00217 0.73881 1.00000
  Na3 Na 0.23899 0.24244 0.91448 1.00000
  Co1 Co 0.77909 0.25841 0.34911 1.00000
  Co2 Co 0.22435 0.76015 0.65314 1.00000
  As1 As 0.71820 0.75951 0.42470 1.00000
  As2 As 0.28672 0.25459 0.58157 1.00000
  C1 C 0.72516 0.24738 0.07038 1.00000
  C2 C 0.26911 0.74311 0.92347 1.00000
  O1 O 0.27560 0.71643 0.05877 1.00000
  O2 O 0.94872 0.25126 0.11072 1.00000
  O3 O 0.55327 0.27918 0.16579 1.00000
  O4 O 0.76476 0.95618 0.31417 1.00000
  O5 O 0.80736 0.56338 0.32565 1.00000
  O6 O 0.40960 0.73766 0.46140 1.00000
  O7 O 0.12953 0.26647 0.42754 1.00000
  O8 O 0.87302 0.77410 0.57846 1.00000
  O9 O 0.59327 0.23098 0.54307 1.00000
  O10 O 0.23941 0.45010 0.69084 1.00000
  O11 O 0.20246 0.06337 0.68978 1.00000
  O12 O 0.46474 0.76591 0.84492 1.00000
  O13 O 0.06344 0.74746 0.85872 1.00000
  O14 O 0.67177 0.21299 0.94050 1.00000
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