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TiNb2O7

Alexandria ALEX

Alex-ID: agm005277498 · Space group: Cm (#8)

Basic Information

Formula
TiNb2O7
Alex-ID
agm005277498
Elements
3
Sites
30
Space group
Cm (#8)
Crystal system
monoclinic
Volume
418.73
ų
Cell a
10.6340
Å
Cell b
10.6340
Å
Cell c
12.0927
Å
α angle
59.70
°
β angle
59.70
°
γ angle
20.90
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TiNb2O7
Ti
3.00 · 10.0%
Nb
6.00 · 20.0%
O
21.00 · 70.0%

Energy & Stability

Energy above hull
0.0079
eV/atom
Formation energy
-3.1763
eV/atom
Corrected total energy
-283.5159
eV
Raw total energy
-268.7678
eV

Electronic Structure

Indirect band gap
2.0533
eV
Direct band gap
2.2606
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0004
μB

Additional Information

Prototype ID

AB2C7_120_spg8

Decomposition

TiO2 Nb2O5

Computed at

2023-05-15 05:19:47.125142

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: agm005277498).

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 agm005277498
data_agm005277498
_cell_length_a     10.63403
_cell_length_b     10.63403
_cell_length_c     12.09272
_cell_angle_alpha  59.70119
_cell_angle_beta   59.70119
_cell_angle_gamma  20.89952
_cell_volume       418.73389
_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
  Ti1 Ti 0.29365 0.29365 0.63981 1.00000
  Ti2 Ti 0.69812 0.69812 0.36315 1.00000
  Ti3 Ti 0.07690 0.07690 0.36829 1.00000
  Nb1 Nb 0.18241 0.18241 0.00489 1.00000
  Nb2 Nb 0.81695 0.81695 0.00243 1.00000
  Nb3 Nb 0.87810 0.87810 0.37564 1.00000
  Nb4 Nb 0.11776 0.11776 0.62767 1.00000
  Nb5 Nb 0.00003 0.00003 0.00472 1.00000
  Nb6 Nb 0.92561 0.92561 0.62749 1.00000
  O1 O 0.05173 0.05173 0.80181 1.00000
  O2 O 0.94810 0.94810 0.19715 1.00000
  O3 O 0.37142 0.37142 0.42258 1.00000
  O4 O 0.62872 0.62872 0.57777 1.00000
  O5 O 0.70985 0.70985 0.99756 1.00000
  O6 O 0.29188 0.29188 0.00075 1.00000
  O7 O 0.90166 0.90166 0.01226 1.00000
  O8 O 0.09930 0.09930 0.98732 1.00000
  O9 O 0.24920 0.24920 0.80767 1.00000
  O10 O 0.75126 0.75126 0.19203 1.00000
  O11 O 0.17341 0.17341 0.40299 1.00000
  O12 O 0.82632 0.82632 0.59563 1.00000
  O13 O 0.02592 0.02592 0.58275 1.00000
  O14 O 0.97824 0.97824 0.41850 1.00000
  O15 O 0.87520 0.87520 0.80896 1.00000
  O16 O 0.12628 0.12628 0.19022 1.00000
  O17 O 0.59903 0.59903 0.37432 1.00000
  O18 O 0.40183 0.40183 0.62285 1.00000
  O19 O 0.50170 0.50170 0.99305 1.00000
  O20 O 0.78899 0.78899 0.37880 1.00000
  O21 O 0.21041 0.21041 0.62095 1.00000
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