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KSrEr2CuS5

Alexandria ALEX

Alex-ID: agm010884136 · Space group: Cmcm (#63)

Alexandria Database API

Basic Information

Formula
KSrEr2CuS5
Alex-ID
agm010884136
Elements
5
Sites
20
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
481.03
ų
Cell a
7.2992
Å
Cell b
7.2992
Å
Cell c
17.2245
Å
α angle
90.00
°
β angle
90.00
°
γ angle
148.39
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KSrEr2CuS5
K
2.00 · 10.0%
Sr
2.00 · 10.0%
Er
4.00 · 20.0%
Cu
2.00 · 10.0%
S
10.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.1006
eV/atom
Corrected total energy
-115.4416
eV
Raw total energy
-108.8070
eV

Electronic Structure

Indirect band gap
1.3323
eV
Direct band gap
1.3762
eV
DOS at Fermi level
-0.0006
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E5_17_spg63

Decomposition

KSrEr2CuS5

Computed at

2024-04-10 23:20:22.015347

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: agm010884136).

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 agm010884136
data_agm010884136
_cell_length_a     7.29923
_cell_length_b     7.29923
_cell_length_c     17.22451
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  148.38735
_cell_volume       481.03455
_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 0.01982 0.98018 0.75000 1.00000
  K2 K 0.98018 0.01982 0.25000 1.00000
  Sr1 Sr 0.50000 0.50000 0.50000 1.00000
  Sr2 Sr 0.50000 0.50000 0.00000 1.00000
  Er1 Er 0.23125 0.76875 0.10440 1.00000
  Er2 Er 0.76875 0.23125 0.89560 1.00000
  Er3 Er 0.76875 0.23125 0.60440 1.00000
  Er4 Er 0.23125 0.76875 0.39560 1.00000
  Cu1 Cu 0.29057 0.70943 0.75000 1.00000
  Cu2 Cu 0.70943 0.29057 0.25000 1.00000
  S1 S 0.14928 0.85072 0.54667 1.00000
  S2 S 0.85072 0.14928 0.45333 1.00000
  S3 S 0.85072 0.14928 0.04667 1.00000
  S4 S 0.14928 0.85072 0.95333 1.00000
  S5 S 0.38911 0.61089 0.64161 1.00000
  S6 S 0.61089 0.38911 0.35839 1.00000
  S7 S 0.61089 0.38911 0.14161 1.00000
  S8 S 0.38911 0.61089 0.85839 1.00000
  S9 S 0.69745 0.30255 0.75000 1.00000
  S10 S 0.30255 0.69745 0.25000 1.00000
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