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K4CuAs6(H4O11)2

Alexandria ALEX

Alex-ID: agm006311596 · Space group: P-1 (#2)

Basic Information

Formula
K4CuAs6(H4O11)2
Alex-ID
agm006311596
Elements
5
Sites
41
Space group
P-1 (#2)
Crystal system
triclinic
Volume
600.87
ų
Cell a
7.9630
Å
Cell b
8.7658
Å
Cell c
9.0595
Å
α angle
82.79
°
β angle
77.68
°
γ angle
77.40
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K4CuAs6(H4O11)2
K
4.00 · 9.8%
Cu
1.00 · 2.4%
As
6.00 · 14.6%
H
8.00 · 19.5%
O
22.00 · 53.7%

Energy & Stability

Energy above hull
0.0358
eV/atom
Formation energy
-1.6581
eV/atom
Corrected total energy
-239.4479
eV
Raw total energy
-223.9975
eV

Electronic Structure

Indirect band gap
1.0994
eV
Direct band gap
1.1074
eV
DOS at Fermi level
-0.0412
Total magnetisation
0.9998
μB

Additional Information

Prototype ID

AB4C6D8E22_0_spg2

Decomposition

KAs(HO2)2 KAs2HO6 CuO H2O

Computed at

2024-12-11 01:23:17

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: agm006311596).

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 agm006311596
data_agm006311596
_cell_length_a     7.96304
_cell_length_b     8.76576
_cell_length_c     9.05955
_cell_angle_alpha  82.78765
_cell_angle_beta   77.68000
_cell_angle_gamma  77.40324
_cell_volume       600.86699
_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 0.64218 0.58121 0.80071 1.00000
  K2 K 0.35782 0.41879 0.19929 1.00000
  K3 K 0.88504 0.71388 0.39100 1.00000
  K4 K 0.11496 0.28612 0.60900 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
  As1 As 0.54141 0.79686 0.16411 1.00000
  As2 As 0.45859 0.20314 0.83589 1.00000
  As3 As 0.81174 0.97063 0.72019 1.00000
  As4 As 0.18826 0.02937 0.27981 1.00000
  As5 As 0.68332 0.27683 0.50411 1.00000
  As6 As 0.31668 0.72317 0.49589 1.00000
  H1 H 0.77383 0.20084 0.17547 1.00000
  H2 H 0.22617 0.79916 0.82453 1.00000
  H3 H 0.73552 0.22140 0.00592 1.00000
  H4 H 0.26448 0.77860 0.99408 1.00000
  H5 H 0.01363 0.59048 0.81149 1.00000
  H6 H 0.98637 0.40952 0.18851 1.00000
  H7 H 0.92946 0.57734 0.10596 1.00000
  H8 H 0.07054 0.42266 0.89404 1.00000
  O1 O 0.55694 0.30419 0.92629 1.00000
  O2 O 0.44306 0.69581 0.07371 1.00000
  O3 O 0.75321 0.80206 0.10736 1.00000
  O4 O 0.24679 0.19794 0.89264 1.00000
  O5 O 0.58697 0.00575 0.82004 1.00000
  O6 O 0.41303 0.99425 0.17996 1.00000
  O7 O 0.52271 0.72561 0.36329 1.00000
  O8 O 0.47729 0.27439 0.63671 1.00000
  O9 O 0.93862 0.05762 0.79880 1.00000
  O10 O 0.06138 0.94238 0.20120 1.00000
  O11 O 0.86663 0.78172 0.68996 1.00000
  O12 O 0.13337 0.21828 0.31004 1.00000
  O13 O 0.79993 0.07648 0.53898 1.00000
  O14 O 0.20007 0.92352 0.46102 1.00000
  O15 O 0.78361 0.40660 0.55169 1.00000
  O16 O 0.21639 0.59340 0.44831 1.00000
  O17 O 0.63897 0.28235 0.33142 1.00000
  O18 O 0.36103 0.71765 0.66858 1.00000
  O19 O 0.83128 0.18930 0.06648 1.00000
  O20 O 0.16872 0.81070 0.93352 1.00000
  O21 O 0.98550 0.48594 0.83582 1.00000
  O22 O 0.01450 0.51406 0.16418 1.00000
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