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K2Mn(SiO3)2

Alexandria ALEX

Alex-ID: agm010701403 · Space group: Fdd2 (#43)

Alexandria Database API

Basic Information

Formula
K2Mn(SiO3)2
Alex-ID
agm010701403
Elements
4
Sites
22
Space group
Fdd2 (#43)
Crystal system
orthorhombic
Volume
348.43
ų
Cell a
12.7247
Å
Cell b
12.6959
Å
Cell c
5.3599
Å
α angle
78.13
°
β angle
77.53
°
γ angle
24.34
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Mn(SiO3)2
K
4.00 · 18.2%
Mn
2.00 · 9.1%
Si
4.00 · 18.2%
O
12.00 · 54.5%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.7585
eV/atom
Corrected total energy
-164.6245
eV
Raw total energy
-152.8354
eV

Electronic Structure

Indirect band gap
3.1419
eV
Direct band gap
3.4245
eV
DOS at Fermi level
0.0000
Total magnetisation
10.0000
μB

Additional Information

Prototype ID

AB2C2D6_65_spg43

Decomposition

K2Mn(SiO3)2

Computed at

2025-01-24 17:25:58

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: agm010701403).

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 agm010701403
data_agm010701403
_cell_length_a     12.72466
_cell_length_b     12.69592
_cell_length_c     5.35994
_cell_angle_alpha  78.12827
_cell_angle_beta   77.52769
_cell_angle_gamma  24.34404
_cell_volume       348.42875
_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 0.29813 0.34825 0.66099 1.00000
  K2 K 0.69263 0.66099 0.34825 1.00000
  K3 K 0.90175 0.95187 0.55737 1.00000
  K4 K 0.58901 0.55737 0.95187 1.00000
  Mn1 Mn 0.73030 0.76970 0.76970 1.00000
  Mn2 Mn 0.48030 0.51970 0.51970 1.00000
  Si1 Si 0.78599 0.88679 0.16448 1.00000
  Si2 Si 0.16274 0.16448 0.88679 1.00000
  Si3 Si 0.36321 0.46401 0.08726 1.00000
  Si4 Si 0.08552 0.08726 0.46401 1.00000
  O1 O 0.70915 0.85451 0.39005 1.00000
  O2 O 0.04629 0.39005 0.85451 1.00000
  O3 O 0.39549 0.54085 0.20371 1.00000
  O4 O 0.85995 0.20371 0.54085 1.00000
  O5 O 0.08060 0.66189 0.20585 1.00000
  O6 O 0.05167 0.20585 0.66189 1.00000
  O7 O 0.58811 0.16940 0.19833 1.00000
  O8 O 0.04415 0.19833 0.16940 1.00000
  O9 O 0.77560 0.87284 0.87934 1.00000
  O10 O 0.47222 0.87934 0.87284 1.00000
  O11 O 0.37716 0.47440 0.77778 1.00000
  O12 O 0.37066 0.77778 0.47440 1.00000
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