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K2Mn(Si2O5)3

Alexandria ALEX

Alex-ID: agm020273110 · Space group: P-1 (#2)

Basic Information

Formula
K2Mn(Si2O5)3
Alex-ID
agm020273110
Elements
4
Sites
24
Space group
P-1 (#2)
Crystal system
triclinic
Volume
323.42
ų
Cell a
7.0729
Å
Cell b
7.2617
Å
Cell c
7.4822
Å
α angle
99.61
°
β angle
105.41
°
γ angle
113.42
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Mn(Si2O5)3
K
2.00 · 8.3%
Mn
1.00 · 4.2%
Si
6.00 · 25.0%
O
15.00 · 62.5%

Energy & Stability

Energy above hull
0.0134
eV/atom
Formation energy
-2.9539
eV/atom
Corrected total energy
-189.1791
eV
Raw total energy
-176.9639
eV

Electronic Structure

Indirect band gap
1.6993
eV
Direct band gap
1.7548
eV
DOS at Fermi level
0.0000
Total magnetisation
3.0221
μB

Additional Information

Prototype ID

AB2C6D15_3_spg2

Decomposition

KO4 KMn6O12 K2Si4O9 SiO2

Computed at

2025-01-22 23:55:25

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: agm020273110).

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 agm020273110
data_agm020273110
_cell_length_a     7.07295
_cell_length_b     7.26165
_cell_length_c     7.48224
_cell_angle_alpha  99.60581
_cell_angle_beta   105.41311
_cell_angle_gamma  113.42207
_cell_volume       323.41570
_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 0.28605 0.72325 0.82350 1.00000
  K2 K 0.71395 0.27675 0.17650 1.00000
  Mn1 Mn 0.00000 0.00000 0.00000 1.00000
  Si1 Si 0.70227 0.80314 0.25137 1.00000
  Si2 Si 0.29773 0.19686 0.74863 1.00000
  Si3 Si 0.14591 0.83292 0.36497 1.00000
  Si4 Si 0.85409 0.16708 0.63503 1.00000
  Si5 Si 0.31607 0.49353 0.30977 1.00000
  Si6 Si 0.68393 0.50647 0.69023 1.00000
  O1 O 0.45220 0.60197 0.17464 1.00000
  O2 O 0.54780 0.39803 0.82536 1.00000
  O3 O 0.21790 0.64761 0.39043 1.00000
  O4 O 0.78210 0.35239 0.60957 1.00000
  O5 O 0.89241 0.73398 0.80829 1.00000
  O6 O 0.10759 0.26602 0.19171 1.00000
  O7 O 0.88214 0.72189 0.34223 1.00000
  O8 O 0.11786 0.27811 0.65777 1.00000
  O9 O 0.73969 0.89061 0.07221 1.00000
  O10 O 0.50000 0.50000 0.50000 1.00000
  O11 O 0.28842 0.01547 0.57792 1.00000
  O12 O 0.71158 0.98453 0.42208 1.00000
  O13 O 0.82531 0.08593 0.81794 1.00000
  O14 O 0.17469 0.91407 0.18206 1.00000
  O15 O 0.26031 0.10939 0.92779 1.00000
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