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Nb3Pb2O9

Alexandria ALEX

Alex-ID: agm005607175 · Space group: C2/m (#12)

Basic Information

Formula
Nb3Pb2O9
Alex-ID
agm005607175
Elements
3
Sites
28
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
474.53
ų
Cell a
8.0350
Å
Cell b
8.5936
Å
Cell c
8.5936
Å
α angle
118.23
°
β angle
102.44
°
γ angle
102.44
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Nb3Pb2O9
Nb
6.00 · 21.4%
Pb
4.00 · 14.3%
O
18.00 · 64.3%

Energy & Stability

Energy above hull
0.1646
eV/atom
Formation energy
-2.5022
eV/atom
Corrected total energy
-234.5619
eV
Raw total energy
-221.9206
eV

Electronic Structure

Indirect band gap
1.0789
eV
Direct band gap
1.0789
eV
DOS at Fermi level
-0.0404
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C9_29_spg12

Decomposition

Nb2PbO6 Pb

Computed at

2023-06-14 11:28:15.655794

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: agm005607175).

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 agm005607175
data_agm005607175
_cell_length_a     8.03496
_cell_length_b     8.59362
_cell_length_c     8.59362
_cell_angle_alpha  118.22976
_cell_angle_beta   102.44103
_cell_angle_gamma  102.44103
_cell_volume       474.53453
_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
  Nb1 Nb 0.35716 0.19717 0.19717 1.00000
  Nb2 Nb 0.64284 0.80283 0.80283 1.00000
  Nb3 Nb 0.70583 0.04400 0.27028 1.00000
  Nb4 Nb 0.29417 0.72972 0.95600 1.00000
  Nb5 Nb 0.29417 0.95600 0.72972 1.00000
  Nb6 Nb 0.70583 0.27028 0.04400 1.00000
  Pb1 Pb 0.21772 0.60368 0.28455 1.00000
  Pb2 Pb 0.78228 0.71545 0.39632 1.00000
  Pb3 Pb 0.78228 0.39632 0.71545 1.00000
  Pb4 Pb 0.21772 0.28455 0.60368 1.00000
  O1 O 0.50000 0.19212 0.80788 1.00000
  O2 O 0.12735 0.48826 0.87229 1.00000
  O3 O 0.12735 0.87229 0.48826 1.00000
  O4 O 0.87265 0.51174 0.12771 1.00000
  O5 O 0.75679 0.65647 0.65647 1.00000
  O6 O 0.24321 0.34353 0.34353 1.00000
  O7 O 0.55341 0.39010 0.19941 1.00000
  O8 O 0.44659 0.80059 0.60990 1.00000
  O9 O 0.44659 0.60990 0.80059 1.00000
  O10 O 0.55341 0.19941 0.39010 1.00000
  O11 O 0.17180 0.73886 0.73886 1.00000
  O12 O 0.77566 0.88138 0.06716 1.00000
  O13 O 0.77566 0.06716 0.88138 1.00000
  O14 O 0.22434 0.11862 0.93284 1.00000
  O15 O 0.22434 0.93284 0.11862 1.00000
  O16 O 0.50000 0.80788 0.19212 1.00000
  O17 O 0.82820 0.26114 0.26114 1.00000
  O18 O 0.87265 0.12771 0.51174 1.00000
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