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Ca2PaCuSe5

Alexandria ALEX

Alex-ID: agm005155901 · Space group: Cmc2_1 (#36)

Basic Information

Formula
Ca2PaCuSe5
Alex-ID
agm005155901
Elements
4
Sites
18
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
505.54
ų
Cell a
4.1578
Å
Cell b
8.7616
Å
Cell c
14.2857
Å
α angle
90.00
°
β angle
90.00
°
γ angle
103.73
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2PaCuSe5
Ca
4.00 · 22.2%
Pa
2.00 · 11.1%
Cu
2.00 · 11.1%
Se
10.00 · 55.6%

Energy & Stability

Energy above hull
0.0227
eV/atom
Formation energy
-1.4066
eV/atom
Corrected total energy
-95.5505
eV
Raw total energy
-95.5505
eV

Electronic Structure

Indirect band gap
0.8713
eV
Direct band gap
0.9449
eV
DOS at Fermi level
-0.1088
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_280_spg36

Decomposition

PaCuSe3 CaSe

Computed at

2023-01-21 09:50:12.849892

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: agm005155901).

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 agm005155901
data_agm005155901
_cell_length_a     4.15777
_cell_length_b     8.76156
_cell_length_c     14.28566
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  103.72565
_cell_volume       505.54405
_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 0.93030 0.86060 0.87966 1.00000
  Ca2 Ca 0.08077 0.16153 0.65940 1.00000
  Ca3 Ca 0.06970 0.13940 0.37966 1.00000
  Ca4 Ca 0.91923 0.83847 0.15940 1.00000
  Pa1 Pa 0.77389 0.54778 0.51987 1.00000
  Pa2 Pa 0.22611 0.45222 0.01987 1.00000
  Cu1 Cu 0.59632 0.19263 0.91962 1.00000
  Cu2 Cu 0.40368 0.80737 0.41962 1.00000
  Se1 Se 0.38944 0.77888 0.01773 1.00000
  Se2 Se 0.73757 0.47513 0.88609 1.00000
  Se3 Se 0.51231 0.02462 0.77748 1.00000
  Se4 Se 0.26196 0.52392 0.65111 1.00000
  Se5 Se 0.93374 0.86748 0.51301 1.00000
  Se6 Se 0.61056 0.22112 0.51773 1.00000
  Se7 Se 0.26243 0.52487 0.38609 1.00000
  Se8 Se 0.48769 0.97538 0.27748 1.00000
  Se9 Se 0.73804 0.47608 0.15111 1.00000
  Se10 Se 0.06626 0.13252 0.01301 1.00000
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