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Pr8Nb5Fe3O28

Alexandria ALEX

Alex-ID: agm017358431 · Space group: C2 (#5)

Basic Information

Formula
Pr8Nb5Fe3O28
Alex-ID
agm017358431
Elements
4
Sites
44
Space group
C2 (#5)
Crystal system
monoclinic
Volume
617.37
ų
Cell a
7.7673
Å
Cell b
7.7673
Å
Cell c
11.9656
Å
α angle
80.54
°
β angle
99.46
°
γ angle
119.41
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr8Nb5Fe3O28
Pr
8.00 · 18.2%
Nb
5.00 · 11.4%
Fe
3.00 · 6.8%
O
28.00 · 63.6%

Energy & Stability

Energy above hull
0.0003
eV/atom
Formation energy
-3.2984
eV/atom
Corrected total energy
-397.9684
eV
Raw total energy
-370.1053
eV

Electronic Structure

Indirect band gap
1.5740
eV
Direct band gap
1.5868
eV
DOS at Fermi level
-0.0001
Total magnetisation
13.0000
μB

Additional Information

Prototype ID

A3B5C8D28_0_spg5

Decomposition

Pr3NbO7 PrFeO3 PrNbO4 FeO

Computed at

2025-02-25 11:42:03

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: agm017358431).

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 agm017358431
data_agm017358431
_cell_length_a     7.76729
_cell_length_b     7.76729
_cell_length_c     11.96564
_cell_angle_alpha  80.54174
_cell_angle_beta   99.45826
_cell_angle_gamma  119.41001
_cell_volume       617.36998
_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
  Pr1 Pr 0.50632 0.25637 0.25777 1.00000
  Pr2 Pr 0.25637 0.50632 0.74223 1.00000
  Pr3 Pr 0.50591 0.75030 0.25091 1.00000
  Pr4 Pr 0.75030 0.50591 0.74909 1.00000
  Pr5 Pr 0.75260 0.98598 0.77538 1.00000
  Pr6 Pr 0.98598 0.75260 0.22462 1.00000
  Pr7 Pr 0.24097 0.01216 0.70995 1.00000
  Pr8 Pr 0.01216 0.24097 0.29005 1.00000
  Nb1 Nb 0.60903 0.11460 0.00545 1.00000
  Nb2 Nb 0.11460 0.60903 0.99455 1.00000
  Nb3 Nb 0.37855 0.88645 0.49108 1.00000
  Nb4 Nb 0.88645 0.37855 0.50892 1.00000
  Nb5 Nb 0.12148 0.12148 0.00000 1.00000
  Fe1 Fe 0.46069 0.46069 0.50000 1.00000
  Fe2 Fe 0.54589 0.54589 0.00000 1.00000
  Fe3 Fe 0.85833 0.85833 0.50000 1.00000
  O1 O 0.85024 0.88069 0.32983 1.00000
  O2 O 0.88069 0.85024 0.67017 1.00000
  O3 O 0.14762 0.12577 0.16704 1.00000
  O4 O 0.12577 0.14762 0.83296 1.00000
  O5 O 0.43489 0.22357 0.02871 1.00000
  O6 O 0.22357 0.43489 0.97129 1.00000
  O7 O 0.55436 0.77137 0.46805 1.00000
  O8 O 0.77137 0.55436 0.53195 1.00000
  O9 O 0.57111 0.16246 0.47154 1.00000
  O10 O 0.16246 0.57111 0.52846 1.00000
  O11 O 0.42839 0.83997 0.02896 1.00000
  O12 O 0.83997 0.42839 0.97104 1.00000
  O13 O 0.13742 0.56095 0.16172 1.00000
  O14 O 0.56095 0.13742 0.83828 1.00000
  O15 O 0.86291 0.43818 0.33800 1.00000
  O16 O 0.43818 0.86291 0.66200 1.00000
  O17 O 0.41280 0.36590 0.65991 1.00000
  O18 O 0.36590 0.41280 0.34009 1.00000
  O19 O 0.58656 0.63656 0.84118 1.00000
  O20 O 0.63656 0.58656 0.15882 1.00000
  O21 O 0.69327 0.12259 0.17404 1.00000
  O22 O 0.12259 0.69327 0.82596 1.00000
  O23 O 0.31752 0.89059 0.31860 1.00000
  O24 O 0.89059 0.31752 0.68140 1.00000
  O25 O 0.84364 0.06280 0.97995 1.00000
  O26 O 0.06280 0.84364 0.02005 1.00000
  O27 O 0.15948 0.93399 0.51332 1.00000
  O28 O 0.93399 0.15948 0.48668 1.00000
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