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K2TmSnSe5

Alexandria ALEX

Alex-ID: agm005155201 · Space group: Cmc2_1 (#36)

Alexandria Database API

Basic Information

Formula
K2TmSnSe5
Alex-ID
agm005155201
Elements
4
Sites
18
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
585.03
ų
Cell a
3.9702
Å
Cell b
10.2462
Å
Cell c
14.6593
Å
α angle
90.00
°
β angle
90.00
°
γ angle
101.17
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2TmSnSe5
K
4.00 · 22.2%
Tm
2.00 · 11.1%
Sn
2.00 · 11.1%
Se
10.00 · 55.6%

Energy & Stability

Energy above hull
0.1368
eV/atom
Formation energy
-1.0047
eV/atom
Corrected total energy
-74.3486
eV
Raw total energy
-74.3486
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0038
eV
DOS at Fermi level
12.5855
Total magnetisation
0.2202
μB

Additional Information

Prototype ID

ABC2D5_217_spg36

Decomposition

K2Sn2Se5 KTmSe2 Se

Computed at

2023-01-08 09:56:55.558470

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: agm005155201).

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 agm005155201
data_agm005155201
_cell_length_a     3.97019
_cell_length_b     10.24622
_cell_length_c     14.65933
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  101.17110
_cell_volume       585.03487
_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 0.86402 0.72803 0.82038 1.00000
  K2 K 0.13147 0.26293 0.68781 1.00000
  K3 K 0.13598 0.27197 0.32038 1.00000
  K4 K 0.86853 0.73707 0.18781 1.00000
  Tm1 Tm 0.79275 0.58550 0.53167 1.00000
  Tm2 Tm 0.20725 0.41450 0.03167 1.00000
  Sn1 Sn 0.56113 0.12227 0.92118 1.00000
  Sn2 Sn 0.43887 0.87773 0.42118 1.00000
  Se1 Se 0.34204 0.68408 0.00646 1.00000
  Se2 Se 0.68655 0.37311 0.88640 1.00000
  Se3 Se 0.49944 0.99887 0.77401 1.00000
  Se4 Se 0.30157 0.60313 0.65902 1.00000
  Se5 Se 0.94994 0.89989 0.53704 1.00000
  Se6 Se 0.65796 0.31592 0.50646 1.00000
  Se7 Se 0.31345 0.62689 0.38640 1.00000
  Se8 Se 0.50056 0.00113 0.27401 1.00000
  Se9 Se 0.69843 0.39687 0.15902 1.00000
  Se10 Se 0.05006 0.10011 0.03704 1.00000
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