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Li2FeP2O7

Alexandria ALEX

Alex-ID: agm004589569 · Space group: R32 (#155)

Basic Information

Formula
Li2FeP2O7
Alex-ID
agm004589569
Elements
4
Sites
12
Space group
R32 (#155)
Crystal system
trigonal
Volume
151.61
ų
Cell a
5.0670
Å
Cell b
5.0670
Å
Cell c
7.4198
Å
α angle
70.03
°
β angle
70.03
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li2FeP2O7
Li
2.00 · 16.7%
Fe
1.00 · 8.3%
P
2.00 · 16.7%
O
7.00 · 58.3%

Energy & Stability

Energy above hull
0.1631
eV/atom
Formation energy
-2.4476
eV/atom
Corrected total energy
-87.1888
eV
Raw total energy
-79.5398
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.9727
Total magnetisation
4.0000
μB

Additional Information

Prototype ID

AB2C2D7_6_spg155

Decomposition

Li2Fe3(P2O7)2 Li4P2O7

Computed at

2022-06-25 13:33:39.308833

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: agm004589569).

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 agm004589569
data_agm004589569
_cell_length_a     5.06699
_cell_length_b     5.06699
_cell_length_c     7.41975
_cell_angle_alpha  70.03458
_cell_angle_beta   70.03458
_cell_angle_gamma  60.00000
_cell_volume       151.61159
_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
  Li1 Li 0.75791 0.75791 0.72628 1.00000
  Li2 Li 0.24209 0.24209 0.27372 1.00000
  Fe1 Fe 0.50000 0.50000 0.50000 1.00000
  P1 P 0.92186 0.92186 0.23442 1.00000
  P2 P 0.07814 0.07814 0.76558 1.00000
  O1 O 0.20443 0.87334 0.29718 1.00000
  O2 O 0.62505 0.20443 0.29718 1.00000
  O3 O 0.87334 0.62505 0.29718 1.00000
  O4 O 0.37495 0.12666 0.70282 1.00000
  O5 O 0.79557 0.37495 0.70282 1.00000
  O6 O 0.00000 0.00000 0.00000 1.00000
  O7 O 0.12666 0.79557 0.70282 1.00000
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