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CaPm2Se3

Alexandria ALEX

Alex-ID: agm034784247 · Space group: Fddd (#70)

Basic Information

Formula
CaPm2Se3
Alex-ID
agm034784247
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
626.67
ų
Cell a
13.8846
Å
Cell b
13.2437
Å
Cell c
7.2698
Å
α angle
79.39
°
β angle
69.64
°
γ angle
30.97
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaPm2Se3
Ca
4.00 · 16.7%
Pm
8.00 · 33.3%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0244
eV/atom
Formation energy
-1.8734
eV/atom
Corrected total energy
-132.8622
eV
Raw total energy
-132.8622
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0014
eV
DOS at Fermi level
10.7948
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

CaPm3Se4 CaSe

Computed at

2025-04-15 04:34:06

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: agm034784247).

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 agm034784247
data_agm034784247
_cell_length_a     13.88460
_cell_length_b     13.24373
_cell_length_c     7.26977
_cell_angle_alpha  79.38711
_cell_angle_beta   69.64024
_cell_angle_gamma  30.97265
_cell_volume       626.66772
_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 0.91634 0.91634 0.08366 1.00000
  Ca2 Ca 0.33366 0.33366 0.16634 1.00000
  Ca3 Ca 0.16634 0.16634 0.33366 1.00000
  Ca4 Ca 0.08366 0.08366 0.91634 1.00000
  Pm1 Pm 0.99902 0.99902 0.50098 1.00000
  Pm2 Pm 0.41643 0.41643 0.58357 1.00000
  Pm3 Pm 0.83357 0.83357 0.66643 1.00000
  Pm4 Pm 0.25098 0.25098 0.74902 1.00000
  Pm5 Pm 0.74902 0.74902 0.25098 1.00000
  Pm6 Pm 0.66643 0.66643 0.83357 1.00000
  Pm7 Pm 0.58357 0.58357 0.41643 1.00000
  Pm8 Pm 0.50098 0.50098 0.99902 1.00000
  Se1 Se 0.66569 0.16595 0.83964 1.00000
  Se2 Se 0.16595 0.66569 0.32871 1.00000
  Se3 Se 0.58431 0.08405 0.41036 1.00000
  Se4 Se 0.08405 0.58431 0.92129 1.00000
  Se5 Se 0.49638 0.00362 0.00362 1.00000
  Se6 Se 0.00362 0.49638 0.49638 1.00000
  Se7 Se 0.92129 0.41036 0.08405 1.00000
  Se8 Se 0.41036 0.92129 0.58431 1.00000
  Se9 Se 0.32871 0.83964 0.16595 1.00000
  Se10 Se 0.83964 0.32871 0.66569 1.00000
  Se11 Se 0.75362 0.24638 0.24638 1.00000
  Se12 Se 0.24638 0.75362 0.75362 1.00000
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