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Ca2YGe2S8I

Alexandria ALEX

Alex-ID: agm010585637 · Space group: C2/c (#15)

Basic Information

Formula
Ca2YGe2S8I
Alex-ID
agm010585637
Elements
5
Sites
28
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
760.69
ų
Cell a
8.9851
Å
Cell b
8.9851
Å
Cell c
10.8934
Å
α angle
86.69
°
β angle
86.69
°
γ angle
60.10
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2YGe2S8I
Ca
4.00 · 14.3%
Y
2.00 · 7.1%
Ge
4.00 · 14.3%
S
16.00 · 57.1%
I
2.00 · 7.1%

Energy & Stability

Energy above hull
0.0854
eV/atom
Formation energy
-1.4543
eV/atom
Corrected total energy
-149.2626
eV
Raw total energy
-138.6473
eV

Electronic Structure

Indirect band gap
1.8643
eV
Direct band gap
1.8959
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D2E8_41_spg15

Decomposition

Y2S3 Ca2GeS4 Ge(S4I)4 CaI2 GeS2

Computed at

2024-07-14 05:09:13.072097

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: agm010585637).

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 agm010585637
data_agm010585637
_cell_length_a     8.98508
_cell_length_b     8.98508
_cell_length_c     10.89337
_cell_angle_alpha  86.68783
_cell_angle_beta   86.68783
_cell_angle_gamma  60.10112
_cell_volume       760.69273
_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
  Ca1 Ca 0.19460 0.20298 0.75353 1.00000
  Ca2 Ca 0.79702 0.80540 0.74647 1.00000
  Ca3 Ca 0.80540 0.79702 0.24647 1.00000
  Ca4 Ca 0.20298 0.19460 0.25353 1.00000
  Y1 Y 0.54633 0.45367 0.75000 1.00000
  Y2 Y 0.45367 0.54633 0.25000 1.00000
  Ge1 Ge 0.59159 0.74000 0.50632 1.00000
  Ge2 Ge 0.26000 0.40841 0.99368 1.00000
  Ge3 Ge 0.40841 0.26000 0.49368 1.00000
  Ge4 Ge 0.74000 0.59159 0.00632 1.00000
  S1 S 0.47061 0.83693 0.32530 1.00000
  S2 S 0.16307 0.52939 0.17470 1.00000
  S3 S 0.52939 0.16307 0.67470 1.00000
  S4 S 0.83693 0.47061 0.82530 1.00000
  S5 S 0.63331 0.45540 0.49408 1.00000
  S6 S 0.54460 0.36669 0.00592 1.00000
  S7 S 0.36669 0.54460 0.50592 1.00000
  S8 S 0.45540 0.63331 0.99408 1.00000
  S9 S 0.45329 0.80347 0.68658 1.00000
  S10 S 0.19653 0.54671 0.81342 1.00000
  S11 S 0.54671 0.19653 0.31342 1.00000
  S12 S 0.80347 0.45329 0.18658 1.00000
  S13 S 0.84290 0.71970 0.50013 1.00000
  S14 S 0.28030 0.15710 0.99987 1.00000
  S15 S 0.15710 0.28030 0.49987 1.00000
  S16 S 0.71970 0.84290 0.00013 1.00000
  I1 I 0.06008 0.93992 0.25000 1.00000
  I2 I 0.93992 0.06008 0.75000 1.00000
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