Navigation

HEAS Data Platform · Materials Science Database

Tb2Sc4Si3O2

Alexandria ALEX

Alex-ID: agm004489237 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Tb2Sc4Si3O2
Alex-ID
agm004489237
Elements
4
Sites
11
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
207.18
ų
Cell a
4.2596
Å
Cell b
4.2596
Å
Cell c
11.8091
Å
α angle
100.39
°
β angle
100.39
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb2Sc4Si3O2
Tb
2.00 · 18.2%
Sc
4.00 · 36.4%
Si
3.00 · 27.3%
O
2.00 · 18.2%

Energy & Stability

Energy above hull
0.0381
eV/atom
Formation energy
-1.7140
eV/atom
Corrected total energy
-79.6306
eV
Raw total energy
-78.2260
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0479
eV
DOS at Fermi level
7.7667
Total magnetisation
0.0002
μB

Additional Information

Prototype ID

A2B2C3D4_42_spg139

Decomposition

Tb2Sc3Si4 Tb2ScSi2 Sc5Si3 Tb2O3

Computed at

2022-06-18 05:44:20.506312

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: agm004489237).

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 agm004489237
data_agm004489237
_cell_length_a     4.25963
_cell_length_b     4.25963
_cell_length_c     11.80913
_cell_angle_alpha  100.39033
_cell_angle_beta   100.39033
_cell_angle_gamma  90.00000
_cell_volume       207.18321
_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
  Tb1 Tb 0.30464 0.30464 0.60928 1.00000
  Tb2 Tb 0.69536 0.69536 0.39072 1.00000
  Sc1 Sc 0.42163 0.92163 0.84326 1.00000
  Sc2 Sc 0.92163 0.42163 0.84326 1.00000
  Sc3 Sc 0.07837 0.57837 0.15674 1.00000
  Sc4 Sc 0.57837 0.07837 0.15674 1.00000
  Si1 Si 0.00000 0.00000 0.00000 1.00000
  Si2 Si 0.17053 0.17053 0.34106 1.00000
  Si3 Si 0.82947 0.82947 0.65894 1.00000
  O1 O 0.41072 0.41072 0.82144 1.00000
  O2 O 0.58928 0.58928 0.17856 1.00000
Get direct link