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Rb4Ti2PO4F9

Alexandria ALEX

Alex-ID: agm010899016 · Space group: P2_1/m (#11)

Basic Information

Formula
Rb4Ti2PO4F9
Alex-ID
agm010899016
Elements
5
Sites
40
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
719.08
ų
Cell a
11.4148
Å
Cell b
6.1985
Å
Cell c
10.5660
Å
α angle
74.12
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb4Ti2PO4F9
Rb
8.00 · 20.0%
Ti
4.00 · 10.0%
P
2.00 · 5.0%
O
8.00 · 20.0%
F
18.00 · 45.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-3.3729
eV/atom
Corrected total energy
-250.2927
eV
Raw total energy
-244.6743
eV

Electronic Structure

Indirect band gap
3.0245
eV
Direct band gap
3.0260
eV
DOS at Fermi level
0.0000
Total magnetisation
0.2405
μB

Additional Information

Prototype ID

AB2C4D4E9_3_spg11

Decomposition

Rb4Ti2PO4F9

Computed at

2024-10-25 17:32:06.163048

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: agm010899016).

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 agm010899016
data_agm010899016
_cell_length_a     11.41482
_cell_length_b     6.19853
_cell_length_c     10.56597
_cell_angle_alpha  74.12382
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       719.07986
_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 0.04437 0.35262 0.81574 1.00000
  Rb2 Rb 0.45563 0.35262 0.81574 1.00000
  Rb3 Rb 0.25000 0.55351 0.46837 1.00000
  Rb4 Rb 0.75000 0.44649 0.53163 1.00000
  Rb5 Rb 0.75000 0.86540 0.78688 1.00000
  Rb6 Rb 0.25000 0.13460 0.21312 1.00000
  Rb7 Rb 0.95563 0.64738 0.18426 1.00000
  Rb8 Rb 0.54437 0.64738 0.18426 1.00000
  Ti1 Ti 0.00000 0.00000 0.50000 1.00000
  Ti2 Ti 0.75000 0.27316 0.99601 1.00000
  Ti3 Ti 0.25000 0.72684 0.00399 1.00000
  Ti4 Ti 0.50000 0.00000 0.50000 1.00000
  P1 P 0.75000 0.04828 0.31978 1.00000
  P2 P 0.25000 0.95172 0.68022 1.00000
  O1 O 0.14078 0.89678 0.60484 1.00000
  O2 O 0.35922 0.89678 0.60484 1.00000
  O3 O 0.75000 0.81256 0.30586 1.00000
  O4 O 0.64078 0.10322 0.39516 1.00000
  O5 O 0.85922 0.10322 0.39516 1.00000
  O6 O 0.25000 0.18744 0.69414 1.00000
  O7 O 0.25000 0.76865 0.81681 1.00000
  O8 O 0.75000 0.23135 0.18319 1.00000
  F1 F 0.94569 0.14844 0.62473 1.00000
  F2 F 0.42123 0.26420 0.40266 1.00000
  F3 F 0.75000 0.32969 0.80650 1.00000
  F4 F 0.13302 0.94339 0.00008 1.00000
  F5 F 0.13399 0.49727 0.02918 1.00000
  F6 F 0.05431 0.85156 0.37527 1.00000
  F7 F 0.36698 0.94339 0.00008 1.00000
  F8 F 0.92123 0.73580 0.59734 1.00000
  F9 F 0.44569 0.85156 0.37527 1.00000
  F10 F 0.86698 0.05661 0.99992 1.00000
  F11 F 0.36601 0.49727 0.02918 1.00000
  F12 F 0.07877 0.26420 0.40266 1.00000
  F13 F 0.55431 0.14844 0.62473 1.00000
  F14 F 0.57877 0.73580 0.59734 1.00000
  F15 F 0.63302 0.05661 0.99992 1.00000
  F16 F 0.25000 0.67031 0.19350 1.00000
  F17 F 0.86601 0.50273 0.97082 1.00000
  F18 F 0.63399 0.50273 0.97082 1.00000
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