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Tb7V(Se2O)4

Alexandria ALEX

Alex-ID: agm021307412 · Space group: Pbam (#55)

Basic Information

Formula
Tb7V(Se2O)4
Alex-ID
agm021307412
Elements
4
Sites
40
Space group
Pbam (#55)
Crystal system
orthorhombic
Volume
859.64
ų
Cell a
3.9200
Å
Cell b
14.0726
Å
Cell c
15.5831
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Tb7V(Se2O)4
Tb
14.00 · 35.0%
V
2.00 · 5.0%
Se
16.00 · 40.0%
O
8.00 · 20.0%

Energy & Stability

Energy above hull
0.0417
eV/atom
Formation energy
-2.4528
eV/atom
Corrected total energy
-276.7183
eV
Raw total energy
-267.7360
eV

Electronic Structure

Indirect band gap
1.3673
eV
Direct band gap
1.5711
eV
DOS at Fermi level
-0.0003
Total magnetisation
4.0110
μB

Additional Information

Prototype ID

AB4C7D8_0_spg55

Decomposition

V7Se12 V3Se4 Tb2Se3 Tb2SeO2

Computed at

2025-01-03 05:35:52

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: agm021307412).

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 agm021307412
data_agm021307412
_cell_length_a     3.92003
_cell_length_b     14.07263
_cell_length_c     15.58311
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       859.64471
_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 0.00000 0.28907 0.37997 1.00000
  Tb2 Tb 0.50000 0.49034 0.31167 1.00000
  Tb3 Tb 0.00000 0.78907 0.12003 1.00000
  Tb4 Tb 0.00000 0.50000 0.00000 1.00000
  Tb5 Tb 0.50000 0.99034 0.18833 1.00000
  Tb6 Tb 0.50000 0.71854 0.83295 1.00000
  Tb7 Tb 0.50000 0.00966 0.81167 1.00000
  Tb8 Tb 0.00000 0.71093 0.62003 1.00000
  Tb9 Tb 0.50000 0.28146 0.16705 1.00000
  Tb10 Tb 0.50000 0.50966 0.68833 1.00000
  Tb11 Tb 0.00000 0.00000 0.50000 1.00000
  Tb12 Tb 0.00000 0.21093 0.87997 1.00000
  Tb13 Tb 0.50000 0.21854 0.66705 1.00000
  Tb14 Tb 0.50000 0.78146 0.33295 1.00000
  V1 V 0.00000 0.00000 0.00000 1.00000
  V2 V 0.00000 0.50000 0.50000 1.00000
  Se1 Se 0.50000 0.87811 0.96555 1.00000
  Se2 Se 0.50000 0.62189 0.46555 1.00000
  Se3 Se 0.00000 0.15556 0.23587 1.00000
  Se4 Se 0.50000 0.37811 0.53445 1.00000
  Se5 Se 0.50000 0.35443 0.97251 1.00000
  Se6 Se 0.00000 0.65556 0.26413 1.00000
  Se7 Se 0.00000 0.34444 0.73587 1.00000
  Se8 Se 0.00000 0.84444 0.76413 1.00000
  Se9 Se 0.00000 0.06773 0.67142 1.00000
  Se10 Se 0.50000 0.85443 0.52749 1.00000
  Se11 Se 0.00000 0.56773 0.82858 1.00000
  Se12 Se 0.50000 0.14557 0.47251 1.00000
  Se13 Se 0.00000 0.93227 0.32858 1.00000
  Se14 Se 0.00000 0.43227 0.17142 1.00000
  Se15 Se 0.50000 0.64557 0.02749 1.00000
  Se16 Se 0.50000 0.12189 0.03445 1.00000
  O1 O 0.00000 0.04787 0.87973 1.00000
  O2 O 0.00000 0.95213 0.12027 1.00000
  O3 O 0.50000 0.32617 0.31194 1.00000
  O4 O 0.00000 0.54787 0.62027 1.00000
  O5 O 0.00000 0.45213 0.37973 1.00000
  O6 O 0.50000 0.67383 0.68806 1.00000
  O7 O 0.50000 0.82617 0.18806 1.00000
  O8 O 0.50000 0.17383 0.81194 1.00000
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