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Rb2Be2Co(O3F4)2

Alexandria ALEX

Alex-ID: agm005248248 · Space group: P2_1/c (#14)

Basic Information

Formula
Rb2Be2Co(O3F4)2
Alex-ID
agm005248248
Elements
5
Sites
38
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
579.68
ų
Cell a
5.3980
Å
Cell b
9.0491
Å
Cell c
12.0287
Å
α angle
90.00
°
β angle
90.00
°
γ angle
99.40
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Be2Co(O3F4)2
Rb
4.00 · 10.5%
Be
4.00 · 10.5%
Co
2.00 · 5.3%
O
12.00 · 31.6%
F
16.00 · 42.1%

Energy & Stability

Energy above hull
0.6389
eV/atom
Formation energy
-1.7012
eV/atom
Corrected total energy
-179.8938
eV
Raw total energy
-167.7183
eV

Electronic Structure

Indirect band gap
0.3257
eV
Direct band gap
0.3680
eV
DOS at Fermi level
1.8578
Total magnetisation
22.2839
μB

Additional Information

Prototype ID

AB2C2D6E8_7_spg14

Decomposition

Co(OF)2 RbCoF4 RbBeF3 RbBe2F5 RbO12

Computed at

2024-11-11 20:06:44

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: agm005248248).

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 agm005248248
data_agm005248248
_cell_length_a     5.39800
_cell_length_b     9.04915
_cell_length_c     12.02865
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  99.40123
_cell_volume       579.67516
_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 0.81271 0.56961 0.13598 1.00000
  Rb2 Rb 0.18729 0.43039 0.86402 1.00000
  Rb3 Rb 0.18729 0.93039 0.63598 1.00000
  Rb4 Rb 0.81271 0.06961 0.36402 1.00000
  Be1 Be 0.74057 0.68051 0.83422 1.00000
  Be2 Be 0.25943 0.31949 0.16578 1.00000
  Be3 Be 0.25943 0.81949 0.33422 1.00000
  Be4 Be 0.74057 0.18051 0.66578 1.00000
  Co1 Co 0.50000 0.00000 0.00000 1.00000
  Co2 Co 0.50000 0.50000 0.50000 1.00000
  O1 O 0.80283 0.03675 0.92916 1.00000
  O2 O 0.19717 0.96325 0.07084 1.00000
  O3 O 0.19717 0.46325 0.42916 1.00000
  O4 O 0.80283 0.53675 0.57084 1.00000
  O5 O 0.42226 0.66836 0.55232 1.00000
  O6 O 0.57774 0.33164 0.44768 1.00000
  O7 O 0.57774 0.83164 0.05232 1.00000
  O8 O 0.42226 0.16836 0.94768 1.00000
  O9 O 0.35240 0.92473 0.87367 1.00000
  O10 O 0.64760 0.07527 0.12633 1.00000
  O11 O 0.64760 0.57527 0.37367 1.00000
  O12 O 0.35240 0.42473 0.62633 1.00000
  F1 F 0.88867 0.67160 0.72278 1.00000
  F2 F 0.11133 0.32840 0.27722 1.00000
  F3 F 0.11133 0.82840 0.22278 1.00000
  F4 F 0.88867 0.17160 0.77722 1.00000
  F5 F 0.90335 0.81186 0.90748 1.00000
  F6 F 0.09665 0.18814 0.09252 1.00000
  F7 F 0.09665 0.68814 0.40748 1.00000
  F8 F 0.90335 0.31186 0.59252 1.00000
  F9 F 0.72330 0.03634 0.59854 1.00000
  F10 F 0.27670 0.96366 0.40146 1.00000
  F11 F 0.27670 0.46366 0.09854 1.00000
  F12 F 0.72330 0.53634 0.90146 1.00000
  F13 F 0.47657 0.72334 0.80857 1.00000
  F14 F 0.52343 0.27666 0.19143 1.00000
  F15 F 0.52343 0.77666 0.30857 1.00000
  F16 F 0.47657 0.22334 0.69143 1.00000
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