Navigation

HEAS Data Platform · Materials Science Database

UBe2F8

Alexandria ALEX

Alex-ID: agm005961556 · Space group: C2/c (#15)

Basic Information

Formula
UBe2F8
Alex-ID
agm005961556
Elements
3
Sites
22
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
326.26
ų
Cell a
6.5520
Å
Cell b
6.7086
Å
Cell c
9.1153
Å
α angle
79.35
°
β angle
68.94
°
γ angle
60.77
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
UBe2F8
U
2.00 · 9.1%
Be
4.00 · 18.2%
F
16.00 · 72.7%

Energy & Stability

Energy above hull
0.0710
eV/atom
Formation energy
-3.6869
eV/atom
Corrected total energy
-141.3210
eV
Raw total energy
-141.3210
eV

Electronic Structure

Indirect band gap
0.2490
eV
Direct band gap
0.2490
eV
DOS at Fermi level
11.2918
Total magnetisation
4.0000
μB

Additional Information

Prototype ID

AB2C8_1276_spg15

Decomposition

BeF2 UF4

Computed at

2023-09-25 03:50:40

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: agm005961556).

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 agm005961556
data_agm005961556
_cell_length_a     6.55199
_cell_length_b     6.70860
_cell_length_c     9.11527
_cell_angle_alpha  79.35321
_cell_angle_beta   68.93687
_cell_angle_gamma  60.76924
_cell_volume       326.25645
_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
  U1 U 0.94059 0.75000 0.25000 1.00000
  U2 U 0.05941 0.25000 0.75000 1.00000
  Be1 Be 0.91555 0.79917 0.91723 1.00000
  Be2 Be 0.36804 0.29917 0.41723 1.00000
  Be3 Be 0.63196 0.70083 0.58277 1.00000
  Be4 Be 0.08445 0.20083 0.08277 1.00000
  F1 F 0.38315 0.89552 0.67051 1.00000
  F2 F 0.11820 0.98366 0.19164 1.00000
  F3 F 0.70905 0.84858 0.08325 1.00000
  F4 F 0.15193 0.22958 0.47810 1.00000
  F5 F 0.29095 0.15142 0.91675 1.00000
  F6 F 0.85962 0.27042 0.02190 1.00000
  F7 F 0.84807 0.77042 0.52190 1.00000
  F8 F 0.35911 0.34858 0.58325 1.00000
  F9 F 0.14038 0.72958 0.97810 1.00000
  F10 F 0.94919 0.60448 0.82949 1.00000
  F11 F 0.70650 0.48366 0.69164 1.00000
  F12 F 0.29350 0.51634 0.30836 1.00000
  F13 F 0.05081 0.39552 0.17051 1.00000
  F14 F 0.64089 0.65142 0.41675 1.00000
  F15 F 0.61685 0.10448 0.32949 1.00000
  F16 F 0.88180 0.01634 0.80836 1.00000
Get direct link