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Rb3FeSi2O7

Alexandria ALEX

Alex-ID: agm020173152 · Space group: C2/c (#15)

Basic Information

Formula
Rb3FeSi2O7
Alex-ID
agm020173152
Elements
4
Sites
26
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
473.03
ų
Cell a
9.7045
Å
Cell b
9.7045
Å
Cell c
7.5170
Å
α angle
73.45
°
β angle
106.55
°
γ angle
56.65
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb3FeSi2O7
Rb
6.00 · 23.1%
Fe
2.00 · 7.7%
Si
4.00 · 15.4%
O
14.00 · 53.8%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-2.6166
eV/atom
Corrected total energy
-181.8688
eV
Raw total energy
-166.5707
eV

Electronic Structure

Indirect band gap
2.7945
eV
Direct band gap
2.7982
eV
DOS at Fermi level
0.0000
Total magnetisation
9.8479
μB

Additional Information

Prototype ID

AB2C3D7_14_spg15

Decomposition

Rb3FeSi2O7

Computed at

2025-02-02 22:02:46

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: agm020173152).

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 agm020173152
data_agm020173152
_cell_length_a     9.70455
_cell_length_b     9.70455
_cell_length_c     7.51698
_cell_angle_alpha  73.45421
_cell_angle_beta   106.54579
_cell_angle_gamma  56.65347
_cell_volume       473.02901
_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 0.98217 0.41263 0.76184 1.00000
  Rb2 Rb 0.99692 0.99692 0.75000 1.00000
  Rb3 Rb 0.58737 0.01783 0.26184 1.00000
  Rb4 Rb 0.00308 0.00308 0.25000 1.00000
  Rb5 Rb 0.41263 0.98217 0.73816 1.00000
  Rb6 Rb 0.01783 0.58737 0.23816 1.00000
  Fe1 Fe 0.55689 0.55689 0.75000 1.00000
  Fe2 Fe 0.44311 0.44311 0.25000 1.00000
  Si1 Si 0.56675 0.22541 0.74865 1.00000
  Si2 Si 0.22541 0.56675 0.75135 1.00000
  Si3 Si 0.77459 0.43325 0.24865 1.00000
  Si4 Si 0.43325 0.77459 0.25135 1.00000
  O1 O 0.67190 0.31438 0.77385 1.00000
  O2 O 0.68562 0.32810 0.27385 1.00000
  O3 O 0.26138 0.48684 0.00216 1.00000
  O4 O 0.31438 0.67190 0.72615 1.00000
  O5 O 0.28448 0.00224 0.05516 1.00000
  O6 O 0.73862 0.51316 0.99784 1.00000
  O7 O 0.99776 0.71552 0.55516 1.00000
  O8 O 0.51316 0.73862 0.50216 1.00000
  O9 O 0.63785 0.63785 0.25000 1.00000
  O10 O 0.32810 0.68562 0.22615 1.00000
  O11 O 0.00224 0.28448 0.44484 1.00000
  O12 O 0.36215 0.36215 0.75000 1.00000
  O13 O 0.71552 0.99776 0.94484 1.00000
  O14 O 0.48684 0.26138 0.49784 1.00000
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