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Li4Pr2I9

Alexandria ALEX

Alex-ID: agm005644722 · Space group: P-3c1 (#165)

Basic Information

Formula
Li4Pr2I9
Alex-ID
agm005644722
Elements
3
Sites
30
Space group
P-3c1 (#165)
Crystal system
trigonal
Volume
1,086.82
ų
Cell a
7.7181
Å
Cell b
7.7167
Å
Cell c
21.0725
Å
α angle
90.01
°
β angle
90.00
°
γ angle
59.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li4Pr2I9
Li
8.00 · 26.7%
Pr
4.00 · 13.3%
I
18.00 · 60.0%

Energy & Stability

Energy above hull
0.0605
eV/atom
Formation energy
-1.2382
eV/atom
Corrected total energy
-99.4953
eV
Raw total energy
-99.4953
eV

Electronic Structure

Indirect band gap
0.6429
eV
Direct band gap
0.6769
eV
DOS at Fermi level
-0.5731
Total magnetisation
2.0009
μB

Additional Information

Prototype ID

A2B4C9_141_spg2

Decomposition

Pr2I5 LiI

Computed at

2023-06-16 22:34:22.654005

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: agm005644722).

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 agm005644722
data_agm005644722
_cell_length_a     7.71806
_cell_length_b     7.71674
_cell_length_c     21.07254
_cell_angle_alpha  90.00575
_cell_angle_beta   90.00193
_cell_angle_gamma  59.99293
_cell_volume       1086.82168
_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 0.33352 0.33332 0.98856 1.00000
  Li2 Li 0.33318 0.33339 0.48860 1.00000
  Li3 Li 0.66648 0.66668 0.01144 1.00000
  Li4 Li 0.33296 0.33354 0.15878 1.00000
  Li5 Li 0.66682 0.66661 0.51140 1.00000
  Li6 Li 0.66630 0.66671 0.34117 1.00000
  Li7 Li 0.33370 0.33329 0.65883 1.00000
  Li8 Li 0.66704 0.66646 0.84122 1.00000
  Pr1 Pr 0.99979 0.00003 0.33852 1.00000
  Pr2 Pr 0.99978 0.00006 0.16147 1.00000
  Pr3 Pr 0.00021 0.99997 0.66148 1.00000
  Pr4 Pr 0.00022 0.99994 0.83853 1.00000
  I1 I 0.00024 0.33922 0.75001 1.00000
  I2 I 0.33950 0.66068 0.74999 1.00000
  I3 I 0.66098 0.99998 0.75000 1.00000
  I4 I 0.99976 0.66078 0.24999 1.00000
  I5 I 0.66050 0.33932 0.25001 1.00000
  I6 I 0.33902 0.00002 0.25000 1.00000
  I7 I 0.65729 0.98392 0.41837 1.00000
  I8 I 0.98372 0.35866 0.41838 1.00000
  I9 I 0.35841 0.65751 0.41840 1.00000
  I10 I 0.64118 0.01617 0.08162 1.00000
  I11 I 0.34234 0.64143 0.08161 1.00000
  I12 I 0.01594 0.34250 0.08160 1.00000
  I13 I 0.34271 0.01608 0.58163 1.00000
  I14 I 0.01628 0.64134 0.58162 1.00000
  I15 I 0.64159 0.34249 0.58160 1.00000
  I16 I 0.35882 0.98383 0.91838 1.00000
  I17 I 0.65766 0.35857 0.91839 1.00000
  I18 I 0.98406 0.65750 0.91840 1.00000
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