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Ba2Nb6Te2O21

Alexandria ALEX

Alex-ID: agm003239795 · Space group: C2/m (#12)

Basic Information

Formula
Ba2Nb6Te2O21
Alex-ID
agm003239795
Elements
4
Sites
31
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
478.63
ų
Cell a
8.9617
Å
Cell b
8.9617
Å
Cell c
9.8282
Å
α angle
83.52
°
β angle
83.52
°
γ angle
37.64
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba2Nb6Te2O21
Ba
2.00 · 6.5%
Nb
6.00 · 19.4%
Te
2.00 · 6.5%
O
21.00 · 67.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.8596
eV/atom
Corrected total energy
-263.3166
eV
Raw total energy
-248.5685
eV

Electronic Structure

Indirect band gap
2.1561
eV
Direct band gap
2.1561
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C6D21_0_spg12

Decomposition

Ba2Nb6Te2O21

Computed at

2021-12-24 14:05:45.919594

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: agm003239795).

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 agm003239795
data_agm003239795
_cell_length_a     8.96166
_cell_length_b     8.96166
_cell_length_c     9.82822
_cell_angle_alpha  83.52156
_cell_angle_beta   83.52156
_cell_angle_gamma  37.64309
_cell_volume       478.63082
_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
  Ba1 Ba 0.14038 0.14038 0.47132 1.00000
  Ba2 Ba 0.85962 0.85962 0.52868 1.00000
  Nb1 Nb 0.32347 0.32347 0.16803 1.00000
  Nb2 Nb 0.67653 0.67653 0.83197 1.00000
  Nb3 Nb 0.51891 0.51891 0.33762 1.00000
  Nb4 Nb 0.48109 0.48109 0.66238 1.00000
  Nb5 Nb 0.90225 0.90225 0.91399 1.00000
  Nb6 Nb 0.09775 0.09775 0.08601 1.00000
  Te1 Te 0.27383 0.27383 0.75074 1.00000
  Te2 Te 0.72617 0.72617 0.24926 1.00000
  O1 O 0.41844 0.41844 0.27853 1.00000
  O2 O 0.58156 0.58156 0.72147 1.00000
  O3 O 0.20920 0.20920 0.15064 1.00000
  O4 O 0.79080 0.79080 0.84936 1.00000
  O5 O 0.00000 0.00000 0.00000 1.00000
  O6 O 0.17571 0.69419 0.77922 1.00000
  O7 O 0.30581 0.82429 0.22078 1.00000
  O8 O 0.82429 0.30581 0.22078 1.00000
  O9 O 0.69419 0.17571 0.77922 1.00000
  O10 O 0.89596 0.39420 0.94702 1.00000
  O11 O 0.27771 0.72229 0.50000 1.00000
  O12 O 0.72229 0.27771 0.50000 1.00000
  O13 O 0.64210 0.64210 0.39577 1.00000
  O14 O 0.35790 0.35790 0.60423 1.00000
  O15 O 0.54158 0.02244 0.33129 1.00000
  O16 O 0.97756 0.45842 0.66871 1.00000
  O17 O 0.45842 0.97756 0.66871 1.00000
  O18 O 0.02244 0.54158 0.33129 1.00000
  O19 O 0.39420 0.89596 0.94702 1.00000
  O20 O 0.10404 0.60580 0.05298 1.00000
  O21 O 0.60580 0.10404 0.05298 1.00000
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