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CaTaOs2

Alexandria ALEX

Alex-ID: agm002812633 · Space group: I-42d (#122)

Basic Information

Formula
CaTaOs2
Alex-ID
agm002812633
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
158.09
ų
Cell a
7.3992
Å
Cell b
7.3992
Å
Cell c
5.9759
Å
α angle
51.75
°
β angle
51.75
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaTaOs2
Ca
2.00 · 25.0%
Os
4.00 · 50.0%
Ta
2.00 · 25.0%

Energy & Stability

Energy above hull
0.8959
eV/atom
Formation energy
0.7341
eV/atom
Corrected total energy
-66.7558
eV
Raw total energy
-66.7558
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.9779
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_185_spg122

Decomposition

TaOs7 Ta3Os4 Ca

Computed at

2016-12-29 07:39:23

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: agm002812633).

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 agm002812633
data_agm002812633
_cell_length_a     7.39915
_cell_length_b     7.39915
_cell_length_c     5.97595
_cell_angle_alpha  51.75119
_cell_angle_beta   51.75119
_cell_angle_gamma  90.00000
_cell_volume       158.08866
_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 0.50000 0.50000 0.00000 1.00000
  Ca2 Ca 0.25000 0.75000 0.50000 1.00000
  Os1 Os 0.66584 0.12500 0.25000 1.00000
  Os2 Os 0.08416 0.62500 0.25000 1.00000
  Os3 Os 0.37500 0.33416 0.75000 1.00000
  Os4 Os 0.87500 0.91584 0.75000 1.00000
  Ta1 Ta 0.00000 0.00000 0.00000 1.00000
  Ta2 Ta 0.75000 0.25000 0.50000 1.00000
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