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CaTm2Se3

Alexandria ALEX

Alex-ID: agm021065202 · Space group: Pnma (#62)

Basic Information

Formula
CaTm2Se3
Alex-ID
agm021065202
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
569.21
ų
Cell a
5.7298
Å
Cell b
8.1330
Å
Cell c
12.2147
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaTm2Se3
Ca
4.00 · 16.7%
Tm
8.00 · 33.3%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0213
eV/atom
Formation energy
-1.7658
eV/atom
Corrected total energy
-128.0477
eV
Raw total energy
-128.0477
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0030
eV
DOS at Fermi level
8.0703
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_1824_spg62

Decomposition

TmSe CaSe

Computed at

2025-04-15 04:37:21

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: agm021065202).

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 agm021065202
data_agm021065202
_cell_length_a     5.72976
_cell_length_b     8.13296
_cell_length_c     12.21473
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       569.20539
_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 0.25000 0.37445 0.08025 1.00000
  Ca2 Ca 0.25000 0.87445 0.41975 1.00000
  Ca3 Ca 0.75000 0.12555 0.58025 1.00000
  Ca4 Ca 0.75000 0.62555 0.91975 1.00000
  Tm1 Tm 0.25000 0.37643 0.75234 1.00000
  Tm2 Tm 0.25000 0.87643 0.74766 1.00000
  Tm3 Tm 0.25000 0.37706 0.41537 1.00000
  Tm4 Tm 0.25000 0.87706 0.08463 1.00000
  Tm5 Tm 0.75000 0.12294 0.91537 1.00000
  Tm6 Tm 0.75000 0.62294 0.58463 1.00000
  Tm7 Tm 0.75000 0.12357 0.25234 1.00000
  Tm8 Tm 0.75000 0.62357 0.24766 1.00000
  Se1 Se 0.25000 0.13115 0.58541 1.00000
  Se2 Se 0.25000 0.63115 0.91459 1.00000
  Se3 Se 0.25000 0.12086 0.91501 1.00000
  Se4 Se 0.25000 0.62086 0.58499 1.00000
  Se5 Se 0.25000 0.12541 0.25079 1.00000
  Se6 Se 0.25000 0.62541 0.24921 1.00000
  Se7 Se 0.75000 0.37459 0.75079 1.00000
  Se8 Se 0.75000 0.87459 0.74921 1.00000
  Se9 Se 0.75000 0.37914 0.41501 1.00000
  Se10 Se 0.75000 0.87914 0.08499 1.00000
  Se11 Se 0.75000 0.36885 0.08541 1.00000
  Se12 Se 0.75000 0.86885 0.41459 1.00000
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