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K2CoAsHO5

Alexandria ALEX

Alex-ID: agm006337142 · Space group: P2_1/c (#14)

Basic Information

Formula
K2CoAsHO5
Alex-ID
agm006337142
Elements
5
Sites
40
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
637.28
ų
Cell a
10.9800
Å
Cell b
6.3863
Å
Cell c
9.3380
Å
α angle
76.72
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2CoAsHO5
K
8.00 · 20.0%
Co
4.00 · 10.0%
As
4.00 · 10.0%
H
4.00 · 10.0%
O
20.00 · 50.0%

Energy & Stability

Energy above hull
0.0039
eV/atom
Formation energy
-1.8013
eV/atom
Corrected total energy
-240.0844
eV
Raw total energy
-218.5426
eV

Electronic Structure

Indirect band gap
2.4879
eV
Direct band gap
2.4958
eV
DOS at Fermi level
0.0000
Total magnetisation
12.0000
μB

Additional Information

Prototype ID

ABCD2E5_20_spg14

Decomposition

K2AsHO4 CoO

Computed at

2024-11-10 09:31:06.227445

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: agm006337142).

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 agm006337142
data_agm006337142
_cell_length_a     10.98001
_cell_length_b     6.38635
_cell_length_c     9.33797
_cell_angle_alpha  76.71823
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       637.28462
_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 0.86803 0.15418 0.21077 1.00000
  K2 K 0.17662 0.15810 0.12020 1.00000
  K3 K 0.63197 0.65418 0.21077 1.00000
  K4 K 0.32338 0.65810 0.12020 1.00000
  K5 K 0.67662 0.34190 0.87980 1.00000
  K6 K 0.36803 0.34582 0.78923 1.00000
  K7 K 0.82338 0.84190 0.87980 1.00000
  K8 K 0.13197 0.84582 0.78923 1.00000
  Co1 Co 0.14977 0.28938 0.47796 1.00000
  Co2 Co 0.35023 0.78938 0.47796 1.00000
  Co3 Co 0.64977 0.21062 0.52204 1.00000
  Co4 Co 0.85023 0.71062 0.52204 1.00000
  As1 As 0.50229 0.13700 0.22248 1.00000
  As2 As 0.99771 0.63700 0.22248 1.00000
  As3 As 0.00229 0.36300 0.77752 1.00000
  As4 As 0.49771 0.86300 0.77752 1.00000
  H1 H 0.36975 0.40088 0.44962 1.00000
  H2 H 0.13025 0.90088 0.44962 1.00000
  H3 H 0.86975 0.09912 0.55038 1.00000
  H4 H 0.63025 0.59912 0.55038 1.00000
  O1 O 0.79831 0.02536 0.52098 1.00000
  O2 O 0.70169 0.52536 0.52098 1.00000
  O3 O 0.52224 0.26838 0.36643 1.00000
  O4 O 0.06614 0.38516 0.28899 1.00000
  O5 O 0.97776 0.76838 0.36643 1.00000
  O6 O 0.43386 0.88516 0.28899 1.00000
  O7 O 0.64074 0.09413 0.15177 1.00000
  O8 O 0.40793 0.28883 0.09491 1.00000
  O9 O 0.85926 0.59413 0.15177 1.00000
  O10 O 0.09207 0.78883 0.09491 1.00000
  O11 O 0.90793 0.21117 0.90509 1.00000
  O12 O 0.14074 0.40587 0.84823 1.00000
  O13 O 0.59207 0.71117 0.90509 1.00000
  O14 O 0.35926 0.90587 0.84823 1.00000
  O15 O 0.56614 0.11484 0.71101 1.00000
  O16 O 0.02224 0.23162 0.63357 1.00000
  O17 O 0.93386 0.61484 0.71101 1.00000
  O18 O 0.47776 0.73162 0.63357 1.00000
  O19 O 0.29831 0.47464 0.47902 1.00000
  O20 O 0.20169 0.97464 0.47902 1.00000
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