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Sm6Cu(GeS7)2

Alexandria ALEX

Alex-ID: agm020290352 · Space group: P3 (#143)

Alexandria Database API

Basic Information

Formula
Sm6Cu(GeS7)2
Alex-ID
agm020290352
Elements
4
Sites
23
Space group
P3 (#143)
Crystal system
trigonal
Volume
509.32
ų
Cell a
10.0850
Å
Cell b
10.0850
Å
Cell c
5.7824
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm6Cu(GeS7)2
Sm
6.00 · 26.1%
Cu
1.00 · 4.3%
Ge
2.00 · 8.7%
S
14.00 · 60.9%

Energy & Stability

Energy above hull
0.0320
eV/atom
Formation energy
-1.8514
eV/atom
Corrected total energy
-142.1021
eV
Raw total energy
-132.8137
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
14.5174
Total magnetisation
-0.0003
μB

Additional Information

Prototype ID

AB2C6D14_0_spg143

Decomposition

Sm10S19 GeS2 Sm3CuGeS7 Sm2S3

Computed at

2024-12-04 14:12:57

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: agm020290352).

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 agm020290352
data_agm020290352
_cell_length_a     10.08505
_cell_length_b     10.08505
_cell_length_c     5.78238
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       509.32304
_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
  Sm1 Sm 0.20719 0.30710 0.73172 1.00000
  Sm2 Sm 0.09991 0.79281 0.73172 1.00000
  Sm3 Sm 0.69290 0.90009 0.73172 1.00000
  Sm4 Sm 0.45732 0.01436 0.22419 1.00000
  Sm5 Sm 0.55704 0.54268 0.22419 1.00000
  Sm6 Sm 0.98564 0.44296 0.22419 1.00000
  Cu1 Cu 0.33333 0.66667 0.69812 1.00000
  Ge1 Ge 0.66667 0.33333 0.80587 1.00000
  Ge2 Ge 0.00000 0.00000 0.31081 1.00000
  S1 S 0.23978 0.40465 0.20980 1.00000
  S2 S 0.16487 0.76022 0.20980 1.00000
  S3 S 0.59535 0.83513 0.20980 1.00000
  S4 S 0.42300 0.91869 0.71211 1.00000
  S5 S 0.49569 0.57700 0.71211 1.00000
  S6 S 0.08131 0.50431 0.71211 1.00000
  S7 S 0.66667 0.33333 0.42699 1.00000
  S8 S 0.00000 0.00000 0.93097 1.00000
  S9 S 0.91946 0.15085 0.46986 1.00000
  S10 S 0.23139 0.08054 0.46986 1.00000
  S11 S 0.84915 0.76861 0.46986 1.00000
  S12 S 0.75152 0.18701 0.96696 1.00000
  S13 S 0.43549 0.24848 0.96696 1.00000
  S14 S 0.81299 0.56451 0.96696 1.00000
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