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Bi2B2O7

Alexandria ALEX

Alex-ID: agm005231696 · Space group: P-1 (#2)

Basic Information

Formula
Bi2B2O7
Alex-ID
agm005231696
Elements
3
Sites
22
Space group
P-1 (#2)
Crystal system
triclinic
Volume
317.24
ų
Cell a
4.6638
Å
Cell b
8.4302
Å
Cell c
9.0605
Å
α angle
115.72
°
β angle
90.25
°
γ angle
97.72
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Bi2B2O7
Bi
4.00 · 18.2%
B
4.00 · 18.2%
O
14.00 · 63.6%

Energy & Stability

Energy above hull
0.0977
eV/atom
Formation energy
-2.0167
eV/atom
Corrected total energy
-156.0168
eV
Raw total energy
-146.1847
eV

Electronic Structure

Indirect band gap
3.0728
eV
Direct band gap
3.1687
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C7_1074_spg2

Decomposition

Bi3B5O12 BiBO3 BiO4

Computed at

2023-05-08 22:24:53.060523

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: agm005231696).

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 agm005231696
data_agm005231696
_cell_length_a     4.66382
_cell_length_b     8.43015
_cell_length_c     9.06046
_cell_angle_alpha  115.72251
_cell_angle_beta   90.25379
_cell_angle_gamma  97.71637
_cell_volume       317.23614
_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
  Bi1 Bi 0.17794 0.67265 0.43230 1.00000
  Bi2 Bi 0.35187 0.11559 0.88475 1.00000
  Bi3 Bi 0.64813 0.88441 0.11525 1.00000
  Bi4 Bi 0.82206 0.32735 0.56770 1.00000
  B1 B 0.18656 0.06378 0.37189 1.00000
  B2 B 0.32485 0.67444 0.78369 1.00000
  B3 B 0.67515 0.32556 0.21631 1.00000
  B4 B 0.81344 0.93622 0.62811 1.00000
  O1 O 0.11667 0.94485 0.62891 1.00000
  O2 O 0.34225 0.56057 0.87146 1.00000
  O3 O 0.15578 0.60078 0.63471 1.00000
  O4 O 0.33063 0.85852 0.89695 1.00000
  O5 O 0.34284 0.21981 0.48218 1.00000
  O6 O 0.27438 0.90899 0.25547 1.00000
  O7 O 0.39108 0.39555 0.21091 1.00000
  O8 O 0.60892 0.60445 0.78909 1.00000
  O9 O 0.72562 0.09101 0.74453 1.00000
  O10 O 0.65716 0.78019 0.51782 1.00000
  O11 O 0.66937 0.14148 0.10305 1.00000
  O12 O 0.84422 0.39922 0.36529 1.00000
  O13 O 0.65775 0.43943 0.12854 1.00000
  O14 O 0.88333 0.05515 0.37109 1.00000
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