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TaCr(SiO4)2

Alexandria ALEX

Alex-ID: agm004886679 · Space group: I-4m2 (#119)

Basic Information

Formula
TaCr(SiO4)2
Alex-ID
agm004886679
Elements
4
Sites
12
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
124.21
ų
Cell a
5.4494
Å
Cell b
5.4494
Å
Cell c
5.4494
Å
α angle
107.72
°
β angle
107.72
°
γ angle
113.04
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TaCr(SiO4)2
Ta
1.00 · 8.3%
Cr
1.00 · 8.3%
Si
2.00 · 16.7%
O
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1680
eV/atom
Formation energy
-2.9392
eV/atom
Corrected total energy
-107.2581
eV
Raw total energy
-99.6267
eV

Electronic Structure

Indirect band gap
1.8500
eV
Direct band gap
1.9235
eV
DOS at Fermi level
0.0000
Total magnetisation
2.9919
μB

Additional Information

Prototype ID

ABC2D8_291_spg119

Decomposition

TaCrO4 SiO2

Computed at

2023-01-07 19:26:11.370578

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: agm004886679).

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 agm004886679
data_agm004886679
_cell_length_a     5.44938
_cell_length_b     5.44938
_cell_length_c     5.44938
_cell_angle_alpha  107.71719
_cell_angle_beta   107.71719
_cell_angle_gamma  113.03930
_cell_volume       124.20718
_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
  Ta1 Ta 0.00000 0.00000 0.00000 1.00000
  Cr1 Cr 0.25000 0.75000 0.50000 1.00000
  Si1 Si 0.75000 0.25000 0.50000 1.00000
  Si2 Si 0.50000 0.50000 0.00000 1.00000
  O1 O 0.38147 0.07462 0.30685 1.00000
  O2 O 0.30913 0.49415 0.18502 1.00000
  O3 O 0.30913 0.12411 0.81498 1.00000
  O4 O 0.76777 0.07462 0.69315 1.00000
  O5 O 0.87589 0.69087 0.18502 1.00000
  O6 O 0.92538 0.23223 0.30685 1.00000
  O7 O 0.92538 0.61853 0.69315 1.00000
  O8 O 0.50585 0.69087 0.81498 1.00000
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