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K2MnBi2S5

Alexandria ALEX

Alex-ID: agm033369149 · Space group: Pnma (#62)

Basic Information

Formula
K2MnBi2S5
Alex-ID
agm033369149
Elements
4
Sites
40
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,112.60
ų
Cell a
4.1259
Å
Cell b
14.7797
Å
Cell c
18.2455
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2MnBi2S5
K
8.00 · 20.0%
Mn
4.00 · 10.0%
Bi
8.00 · 20.0%
S
20.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.0860
eV/atom
Corrected total energy
-202.5324
eV
Raw total energy
-189.2631
eV

Electronic Structure

Indirect band gap
0.8727
eV
Direct band gap
0.8728
eV
DOS at Fermi level
-0.1255
Total magnetisation
20.0000
μB

Additional Information

Prototype ID

AB2C2D5_14_spg62

Decomposition

K2MnBi2S5

Computed at

2024-11-01 10:48:57.862032

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: agm033369149).

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 agm033369149
data_agm033369149
_cell_length_a     4.12589
_cell_length_b     14.77973
_cell_length_c     18.24549
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1112.60094
_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 0.25000 0.50653 0.37893 1.00000
  K2 K 0.25000 0.00653 0.12107 1.00000
  K3 K 0.75000 0.49347 0.62107 1.00000
  K4 K 0.75000 0.99347 0.87893 1.00000
  K5 K 0.25000 0.96681 0.61791 1.00000
  K6 K 0.25000 0.46681 0.88209 1.00000
  K7 K 0.75000 0.03319 0.38209 1.00000
  K8 K 0.75000 0.53319 0.11791 1.00000
  Mn1 Mn 0.25000 0.70843 0.64315 1.00000
  Mn2 Mn 0.25000 0.20843 0.85685 1.00000
  Mn3 Mn 0.75000 0.29157 0.35685 1.00000
  Mn4 Mn 0.75000 0.79157 0.14315 1.00000
  Bi1 Bi 0.25000 0.75238 0.98275 1.00000
  Bi2 Bi 0.25000 0.25238 0.51725 1.00000
  Bi3 Bi 0.75000 0.24762 0.01725 1.00000
  Bi4 Bi 0.75000 0.74762 0.48275 1.00000
  Bi5 Bi 0.25000 0.79083 0.29983 1.00000
  Bi6 Bi 0.25000 0.29083 0.20017 1.00000
  Bi7 Bi 0.75000 0.20917 0.70017 1.00000
  Bi8 Bi 0.75000 0.70917 0.79983 1.00000
  S1 S 0.25000 0.59886 0.74066 1.00000
  S2 S 0.25000 0.09886 0.75934 1.00000
  S3 S 0.75000 0.40114 0.25934 1.00000
  S4 S 0.75000 0.90114 0.24066 1.00000
  S5 S 0.25000 0.63018 0.52830 1.00000
  S6 S 0.25000 0.13018 0.97170 1.00000
  S7 S 0.75000 0.36982 0.47170 1.00000
  S8 S 0.75000 0.86982 0.02830 1.00000
  S9 S 0.25000 0.70193 0.15145 1.00000
  S10 S 0.25000 0.20193 0.34855 1.00000
  S11 S 0.75000 0.29807 0.84855 1.00000
  S12 S 0.75000 0.79807 0.65145 1.00000
  S13 S 0.25000 0.82789 0.85006 1.00000
  S14 S 0.25000 0.32789 0.64994 1.00000
  S15 S 0.75000 0.17211 0.14994 1.00000
  S16 S 0.75000 0.67211 0.35006 1.00000
  S17 S 0.25000 0.87350 0.43602 1.00000
  S18 S 0.25000 0.37350 0.06398 1.00000
  S19 S 0.75000 0.12650 0.56398 1.00000
  S20 S 0.75000 0.62650 0.93602 1.00000
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