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KCo2As3O10

Alexandria ALEX

Alex-ID: agm019861306 · Space group: P-1 (#2)

Basic Information

Formula
KCo2As3O10
Alex-ID
agm019861306
Elements
4
Sites
32
Space group
P-1 (#2)
Crystal system
triclinic
Volume
433.45
ų
Cell a
6.9526
Å
Cell b
7.9463
Å
Cell c
9.1113
Å
α angle
109.01
°
β angle
107.86
°
γ angle
99.30
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KCo2As3O10
K
2.00 · 6.3%
Co
4.00 · 12.5%
As
6.00 · 18.8%
O
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0256
eV/atom
Formation energy
-1.6991
eV/atom
Corrected total energy
-212.1321
eV
Raw total energy
-190.5903
eV

Electronic Structure

Indirect band gap
1.6527
eV
Direct band gap
1.6527
eV
DOS at Fermi level
0.0000
Total magnetisation
12.0157
μB

Additional Information

Prototype ID

AB2C3D10_37_spg2

Decomposition

Co3(AsO4)2 K2CoAs2O7 Co(AsO3)2

Computed at

2025-02-05 19:32:31

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: agm019861306).

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 agm019861306
data_agm019861306
_cell_length_a     6.95260
_cell_length_b     7.94630
_cell_length_c     9.11134
_cell_angle_alpha  109.00808
_cell_angle_beta   107.85855
_cell_angle_gamma  99.30044
_cell_volume       433.45230
_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 0.26265 0.31345 0.45616 1.00000
  K2 K 0.73735 0.68655 0.54384 1.00000
  Co1 Co 0.89058 0.17383 0.06700 1.00000
  Co2 Co 0.10942 0.82617 0.93300 1.00000
  Co3 Co 0.55733 0.35227 0.87198 1.00000
  Co4 Co 0.44267 0.64773 0.12802 1.00000
  As1 As 0.98783 0.63093 0.20990 1.00000
  As2 As 0.01217 0.36907 0.79010 1.00000
  As3 As 0.55401 0.74823 0.84287 1.00000
  As4 As 0.44599 0.25177 0.15713 1.00000
  As5 As 0.24699 0.92115 0.62708 1.00000
  As6 As 0.75301 0.07885 0.37292 1.00000
  O1 O 0.15113 0.70947 0.12316 1.00000
  O2 O 0.84887 0.29053 0.87684 1.00000
  O3 O 0.42985 0.80309 0.98128 1.00000
  O4 O 0.57015 0.19691 0.01872 1.00000
  O5 O 0.72927 0.60873 0.09576 1.00000
  O6 O 0.27073 0.39127 0.90424 1.00000
  O7 O 0.39804 0.11875 0.64284 1.00000
  O8 O 0.60196 0.88125 0.35716 1.00000
  O9 O 0.39636 0.76046 0.64568 1.00000
  O10 O 0.60364 0.23954 0.35432 1.00000
  O11 O 0.54919 0.52389 0.74973 1.00000
  O12 O 0.45081 0.47611 0.25027 1.00000
  O13 O 0.01559 0.43917 0.24771 1.00000
  O14 O 0.98441 0.56083 0.75229 1.00000
  O15 O 0.10803 0.93100 0.75000 1.00000
  O16 O 0.89197 0.06900 0.25000 1.00000
  O17 O 0.79773 0.89510 0.90001 1.00000
  O18 O 0.20227 0.10490 0.09999 1.00000
  O19 O 0.04733 0.80651 0.41781 1.00000
  O20 O 0.95267 0.19349 0.58219 1.00000
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