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Ga2Pb4I9

Alexandria ALEX

Alex-ID: agm005644404 · Space group: P-3c1 (#165)

Basic Information

Formula
Ga2Pb4I9
Alex-ID
agm005644404
Elements
3
Sites
30
Space group
P-3c1 (#165)
Crystal system
trigonal
Volume
1,328.07
ų
Cell a
8.0830
Å
Cell b
8.0784
Å
Cell c
23.4830
Å
α angle
89.91
°
β angle
90.10
°
γ angle
60.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ga2Pb4I9
Ga
4.00 · 13.3%
Pb
8.00 · 26.7%
I
18.00 · 60.0%

Energy & Stability

Energy above hull
0.1106
eV/atom
Formation energy
-0.4587
eV/atom
Corrected total energy
-83.4469
eV
Raw total energy
-83.4469
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0075
eV
DOS at Fermi level
14.4951
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B4C9_0_spg9

Decomposition

Ga2PbI6 PbI2 Ga

Computed at

2023-06-17 02:53:26.768176

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: agm005644404).

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 agm005644404
data_agm005644404
_cell_length_a     8.08301
_cell_length_b     8.07838
_cell_length_c     23.48303
_cell_angle_alpha  89.90991
_cell_angle_beta   90.09622
_cell_angle_gamma  60.00942
_cell_volume       1328.07099
_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
  Ga1 Ga 0.99926 0.00007 0.33755 1.00000
  Ga2 Ga 0.99996 0.99928 0.16245 1.00000
  Ga3 Ga 0.00074 0.99993 0.66245 1.00000
  Ga4 Ga 0.00004 0.00072 0.83755 1.00000
  Pb1 Pb 0.33334 0.33336 0.99198 1.00000
  Pb2 Pb 0.33326 0.33331 0.49199 1.00000
  Pb3 Pb 0.66666 0.66664 0.00802 1.00000
  Pb4 Pb 0.33386 0.33398 0.17639 1.00000
  Pb5 Pb 0.66674 0.66669 0.50801 1.00000
  Pb6 Pb 0.66687 0.66742 0.32359 1.00000
  Pb7 Pb 0.33313 0.33258 0.67641 1.00000
  Pb8 Pb 0.66614 0.66602 0.82361 1.00000
  I1 I 0.99947 0.32025 0.74988 1.00000
  I2 I 0.31910 0.67968 0.75024 1.00000
  I3 I 0.68103 0.99928 0.74992 1.00000
  I4 I 0.00053 0.67975 0.25012 1.00000
  I5 I 0.68090 0.32032 0.24976 1.00000
  I6 I 0.31897 0.00072 0.25008 1.00000
  I7 I 0.66605 0.98227 0.41762 1.00000
  I8 I 0.98086 0.35164 0.41769 1.00000
  I9 I 0.35213 0.66653 0.41772 1.00000
  I10 I 0.64783 0.01802 0.08235 1.00000
  I11 I 0.33285 0.64878 0.08229 1.00000
  I12 I 0.01922 0.33278 0.08230 1.00000
  I13 I 0.33395 0.01773 0.58238 1.00000
  I14 I 0.01914 0.64836 0.58231 1.00000
  I15 I 0.64787 0.33347 0.58228 1.00000
  I16 I 0.35217 0.98198 0.91765 1.00000
  I17 I 0.66715 0.35122 0.91771 1.00000
  I18 I 0.98078 0.66722 0.91770 1.00000
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