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KSiO3

Alexandria ALEX

Alex-ID: agm006222733 · Space group: P2_1/c (#14)

Basic Information

Formula
KSiO3
Alex-ID
agm006222733
Elements
3
Sites
40
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
668.10
ų
Cell a
11.0139
Å
Cell b
7.8833
Å
Cell c
10.3377
Å
α angle
48.10
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KSiO3
K
8.00 · 20.0%
Si
8.00 · 20.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.2136
eV/atom
Formation energy
-2.4725
eV/atom
Corrected total energy
-270.0992
eV
Raw total energy
-253.2442
eV

Electronic Structure

Indirect band gap
0.2946
eV
Direct band gap
0.2946
eV
DOS at Fermi level
3.9316
Total magnetisation
8.0198
μB

Additional Information

Prototype ID

ABC3_4508_spg14

Decomposition

K2Si4O9 K2Si2O5 KO4

Computed at

2024-10-24 10:42:00

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: agm006222733).

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 agm006222733
data_agm006222733
_cell_length_a     11.01389
_cell_length_b     7.88327
_cell_length_c     10.33774
_cell_angle_alpha  48.10231
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       668.10245
_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 0.25983 0.02277 0.97724 1.00000
  K2 K 0.24017 0.02277 0.47724 1.00000
  K3 K 0.74017 0.97723 0.02276 1.00000
  K4 K 0.75983 0.97723 0.52276 1.00000
  K5 K 0.47807 0.52626 0.80692 1.00000
  K6 K 0.02193 0.52626 0.30692 1.00000
  K7 K 0.52193 0.47374 0.19308 1.00000
  K8 K 0.97807 0.47374 0.69308 1.00000
  Si1 Si 0.31493 0.50823 0.48468 1.00000
  Si2 Si 0.18507 0.50823 0.98468 1.00000
  Si3 Si 0.68507 0.49177 0.51532 1.00000
  Si4 Si 0.81493 0.49177 0.01532 1.00000
  Si5 Si 0.49964 0.88747 0.29893 1.00000
  Si6 Si 0.00036 0.88747 0.79893 1.00000
  Si7 Si 0.50036 0.11253 0.70107 1.00000
  Si8 Si 0.99964 0.11253 0.20107 1.00000
  O1 O 0.17757 0.46299 0.55640 1.00000
  O2 O 0.32243 0.46299 0.05640 1.00000
  O3 O 0.82243 0.53701 0.44360 1.00000
  O4 O 0.67757 0.53701 0.94360 1.00000
  O5 O 0.36864 0.76147 0.40090 1.00000
  O6 O 0.13136 0.76147 0.90090 1.00000
  O7 O 0.63136 0.23853 0.59910 1.00000
  O8 O 0.86864 0.23853 0.09910 1.00000
  O9 O 0.41015 0.32178 0.64522 1.00000
  O10 O 0.08985 0.32178 0.14522 1.00000
  O11 O 0.58985 0.67822 0.35478 1.00000
  O12 O 0.91015 0.67822 0.85478 1.00000
  O13 O 0.29511 0.48473 0.34182 1.00000
  O14 O 0.20489 0.48473 0.84182 1.00000
  O15 O 0.70489 0.51527 0.65818 1.00000
  O16 O 0.79511 0.51527 0.15818 1.00000
  O17 O 0.48721 0.07481 0.08898 1.00000
  O18 O 0.01279 0.07481 0.58898 1.00000
  O19 O 0.51279 0.92519 0.91102 1.00000
  O20 O 0.98721 0.92519 0.41102 1.00000
  O21 O 0.55170 0.03125 0.34693 1.00000
  O22 O 0.94830 0.03125 0.84693 1.00000
  O23 O 0.44830 0.96875 0.65307 1.00000
  O24 O 0.05170 0.96875 0.15307 1.00000
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