Navigation

HEAS Data Platform · Materials Science Database

RbFe2AgI8

Alexandria ALEX

Alex-ID: agm004883487 · Space group: P-3 (#147)

Basic Information

Formula
RbFe2AgI8
Alex-ID
agm004883487
Elements
4
Sites
12
Space group
P-3 (#147)
Crystal system
trigonal
Volume
500.49
ų
Cell a
7.4023
Å
Cell b
7.4023
Å
Cell c
10.5472
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
RbFe2AgI8
Rb
1.00 · 8.3%
Fe
2.00 · 16.7%
Ag
1.00 · 8.3%
I
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0197
eV/atom
Formation energy
-0.4039
eV/atom
Corrected total energy
-37.9916
eV
Raw total energy
-37.9916
eV

Electronic Structure

Indirect band gap
0.3841
eV
Direct band gap
0.4496
eV
DOS at Fermi level
-0.0093
Total magnetisation
10.0337
μB

Additional Information

Prototype ID

ABC2D8_320_spg147

Decomposition

FeAgI4 RbFeI4

Computed at

2022-12-21 07:10:13.259730

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: agm004883487).

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 agm004883487
data_agm004883487
_cell_length_a     7.40226
_cell_length_b     7.40226
_cell_length_c     10.54716
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       500.48983
_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
  Rb1 Rb 0.00000 0.00000 0.00000 1.00000
  Fe1 Fe 0.66667 0.33333 0.25143 1.00000
  Fe2 Fe 0.33333 0.66667 0.74857 1.00000
  Ag1 Ag 0.00000 0.00000 0.50000 1.00000
  I1 I 0.33333 0.66667 0.99051 1.00000
  I2 I 0.33298 0.32512 0.32674 1.00000
  I3 I 0.67488 0.00787 0.32674 1.00000
  I4 I 0.66667 0.33333 0.00949 1.00000
  I5 I 0.32512 0.99213 0.67326 1.00000
  I6 I 0.66702 0.67488 0.67326 1.00000
  I7 I 0.00787 0.33298 0.67326 1.00000
  I8 I 0.99213 0.66702 0.32674 1.00000
Get direct link