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K2Cr2Hg(H2O5)2

Alexandria ALEX

Alex-ID: agm006296124 · Space group: P-1 (#2)

Basic Information

Formula
K2Cr2Hg(H2O5)2
Alex-ID
agm006296124
Elements
5
Sites
38
Space group
P-1 (#2)
Crystal system
triclinic
Volume
532.49
ų
Cell a
6.5572
Å
Cell b
7.7821
Å
Cell c
11.8586
Å
α angle
72.22
°
β angle
75.88
°
γ angle
69.23
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Cr2Hg(H2O5)2
K
4.00 · 10.5%
Cr
4.00 · 10.5%
Hg
2.00 · 5.3%
H
8.00 · 21.1%
O
20.00 · 52.6%

Energy & Stability

Energy above hull
0.0064
eV/atom
Formation energy
-1.6195
eV/atom
Corrected total energy
-230.2460
eV
Raw total energy
-208.1482
eV

Electronic Structure

Indirect band gap
2.1740
eV
Direct band gap
2.2185
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D4E10_2_spg2

Decomposition

K2CrO4 CrHO2 HgO5 HgO H2O

Computed at

2025-01-18 09:13:57

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: agm006296124).

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 agm006296124
data_agm006296124
_cell_length_a     6.55722
_cell_length_b     7.78213
_cell_length_c     11.85857
_cell_angle_alpha  72.21828
_cell_angle_beta   75.87568
_cell_angle_gamma  69.23306
_cell_volume       532.48824
_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 0.19314 0.24549 0.59855 1.00000
  K2 K 0.72958 0.26158 0.08020 1.00000
  K3 K 0.27042 0.73842 0.91980 1.00000
  K4 K 0.80686 0.75451 0.40145 1.00000
  Cr1 Cr 0.74725 0.76356 0.08250 1.00000
  Cr2 Cr 0.72409 0.23305 0.42415 1.00000
  Cr3 Cr 0.25275 0.23644 0.91750 1.00000
  Cr4 Cr 0.27591 0.76695 0.57585 1.00000
  Hg1 Hg 0.74827 0.97483 0.74799 1.00000
  Hg2 Hg 0.25173 0.02517 0.25201 1.00000
  H1 H 0.65513 0.30866 0.80697 1.00000
  H2 H 0.65155 0.66108 0.71004 1.00000
  H3 H 0.33075 0.60734 0.33056 1.00000
  H4 H 0.82405 0.57331 0.80635 1.00000
  H5 H 0.34845 0.33892 0.28996 1.00000
  H6 H 0.17595 0.42669 0.19365 1.00000
  H7 H 0.66925 0.39266 0.66944 1.00000
  H8 H 0.34487 0.69134 0.19303 1.00000
  O1 O 0.75553 0.29100 0.73012 1.00000
  O2 O 0.86201 0.35497 0.44740 1.00000
  O3 O 0.56411 0.66390 0.07769 1.00000
  O4 O 0.86464 0.12588 0.31176 1.00000
  O5 O 0.35984 0.10344 0.81598 1.00000
  O6 O 0.18629 0.09882 0.05188 1.00000
  O7 O 0.43589 0.33610 0.92231 1.00000
  O8 O 0.64016 0.89656 0.18402 1.00000
  O9 O 0.97577 0.59851 0.12241 1.00000
  O10 O 0.68985 0.67896 0.78134 1.00000
  O11 O 0.52392 0.62612 0.61110 1.00000
  O12 O 0.47608 0.37388 0.38890 1.00000
  O13 O 0.02423 0.40149 0.87759 1.00000
  O14 O 0.68077 0.06648 0.54847 1.00000
  O15 O 0.31015 0.32104 0.21866 1.00000
  O16 O 0.13799 0.64503 0.55260 1.00000
  O17 O 0.81371 0.90118 0.94812 1.00000
  O18 O 0.24447 0.70900 0.26988 1.00000
  O19 O 0.31923 0.93352 0.45153 1.00000
  O20 O 0.13536 0.87412 0.68824 1.00000
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