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Ca2DySe3

Alexandria ALEX

Alex-ID: agm005646704 · Space group: Fddd (#70)

Basic Information

Formula
Ca2DySe3
Alex-ID
agm005646704
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
607.96
ų
Cell a
7.1974
Å
Cell b
7.1974
Å
Cell c
13.1187
Å
α angle
100.56
°
β angle
100.56
°
γ angle
109.39
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2DySe3
Ca
8.00 · 33.3%
Dy
4.00 · 16.7%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0181
eV/atom
Formation energy
-1.9170
eV/atom
Corrected total energy
-122.3270
eV
Raw total energy
-122.3270
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0022
eV
DOS at Fermi level
5.6966
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_36_spg70

Decomposition

CaDy3Se4 CaSe

Computed at

2023-08-07 06:36:29.017840

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: agm005646704).

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 agm005646704
data_agm005646704
_cell_length_a     7.19735
_cell_length_b     7.19735
_cell_length_c     13.11875
_cell_angle_alpha  100.55951
_cell_angle_beta   100.55952
_cell_angle_gamma  109.38713
_cell_volume       607.96335
_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 0.99948 0.49948 0.99895 1.00000
  Ca2 Ca 0.41713 0.41713 0.83426 1.00000
  Ca3 Ca 0.83287 0.33287 0.66574 1.00000
  Ca4 Ca 0.25052 0.25052 0.50105 1.00000
  Ca5 Ca 0.74948 0.74948 0.49895 1.00000
  Ca6 Ca 0.66713 0.16713 0.33426 1.00000
  Ca7 Ca 0.58287 0.58287 0.16574 1.00000
  Ca8 Ca 0.50052 0.00052 0.00105 1.00000
  Dy1 Dy 0.91692 0.91692 0.83384 1.00000
  Dy2 Dy 0.33308 0.83308 0.66616 1.00000
  Dy3 Dy 0.16692 0.66692 0.33384 1.00000
  Dy4 Dy 0.08308 0.08308 0.16616 1.00000
  Se1 Se 0.16608 0.67096 0.83160 1.00000
  Se2 Se 0.66552 0.16064 0.83160 1.00000
  Se3 Se 0.08392 0.07904 0.66840 1.00000
  Se4 Se 0.58448 0.58936 0.66840 1.00000
  Se5 Se 0.00482 0.50482 0.50000 1.00000
  Se6 Se 0.49518 0.99518 0.50000 1.00000
  Se7 Se 0.41064 0.41552 0.33160 1.00000
  Se8 Se 0.92096 0.91608 0.33160 1.00000
  Se9 Se 0.83936 0.33448 0.16840 1.00000
  Se10 Se 0.32904 0.83392 0.16840 1.00000
  Se11 Se 0.24518 0.24518 1.00000 1.00000
  Se12 Se 0.75482 0.75482 0.00000 1.00000
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