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K2Mn4Fe2Si4O15

Alexandria ALEX

Alex-ID: agm010142941 · Space group: Imm2 (#44)

Basic Information

Formula
K2Mn4Fe2Si4O15
Alex-ID
agm010142941
Elements
5
Sites
27
Space group
Imm2 (#44)
Crystal system
orthorhombic
Volume
405.95
ų
Cell a
9.7355
Å
Cell b
9.7355
Å
Cell c
9.7355
Å
α angle
148.09
°
β angle
122.58
°
γ angle
67.21
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Mn4Fe2Si4O15
K
2.00 · 7.4%
Mn
4.00 · 14.8%
Fe
2.00 · 7.4%
Si
4.00 · 14.8%
O
15.00 · 55.6%

Energy & Stability

Energy above hull
0.0019
eV/atom
Formation energy
-2.5753
eV/atom
Corrected total energy
-221.4072
eV
Raw total energy
-198.6834
eV

Electronic Structure

Indirect band gap
1.8739
eV
Direct band gap
1.8739
eV
DOS at Fermi level
0.0000
Total magnetisation
28.0032
μB

Additional Information

Prototype ID

A2B2C4D4E15_2_spg44

Decomposition

K2Fe6Si4O15 K2Mn6Si4O15

Computed at

2025-01-18 19:38:30

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: agm010142941).

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 agm010142941
data_agm010142941
_cell_length_a     9.73548
_cell_length_b     9.73548
_cell_length_c     9.73548
_cell_angle_alpha  148.08717
_cell_angle_beta   122.58102
_cell_angle_gamma  67.21060
_cell_volume       405.94652
_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 0.11346 0.18589 0.07243 1.00000
  K2 K 0.88654 0.95897 0.07243 1.00000
  Mn1 Mn 0.49761 0.29057 0.17270 1.00000
  Mn2 Mn 0.11787 0.29057 0.79296 1.00000
  Mn3 Mn 0.88213 0.67509 0.17270 1.00000
  Mn4 Mn 0.50239 0.67509 0.79296 1.00000
  Fe1 Fe 0.66156 0.10902 0.77058 1.00000
  Fe2 Fe 0.33844 0.10902 0.44746 1.00000
  Si1 Si 0.17180 0.55245 0.72425 1.00000
  Si2 Si 0.82820 0.55245 0.38065 1.00000
  Si3 Si 0.68959 0.18369 0.49410 1.00000
  Si4 Si 0.31041 0.80451 0.49410 1.00000
  O1 O 0.00000 0.47589 0.47589 1.00000
  O2 O 0.18576 0.85316 0.03891 1.00000
  O3 O 0.81424 0.85316 0.66740 1.00000
  O4 O 0.71134 0.90062 0.18928 1.00000
  O5 O 0.28866 0.47793 0.18928 1.00000
  O6 O 0.40977 0.96001 0.55024 1.00000
  O7 O 0.59023 0.14048 0.55024 1.00000
  O8 O 0.16336 0.32453 0.64464 1.00000
  O9 O 0.67989 0.32453 0.16117 1.00000
  O10 O 0.83664 0.48128 0.16117 1.00000
  O11 O 0.32011 0.48128 0.64464 1.00000
  O12 O 0.41117 0.88482 0.76267 1.00000
  O13 O 0.87785 0.35150 0.76267 1.00000
  O14 O 0.12215 0.88482 0.47365 1.00000
  O15 O 0.58883 0.35150 0.47365 1.00000
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