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K3U2O6F7

Alexandria ALEX

Alex-ID: agm005284886 · Space group: P2_1/m (#11)

Basic Information

Formula
K3U2O6F7
Alex-ID
agm005284886
Elements
4
Sites
36
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
684.93
ų
Cell a
6.5002
Å
Cell b
9.2643
Å
Cell c
11.4041
Å
α angle
90.00
°
β angle
90.00
°
γ angle
94.18
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3U2O6F7
K
6.00 · 16.7%
U
4.00 · 11.1%
O
12.00 · 33.3%
F
14.00 · 38.9%

Energy & Stability

Energy above hull
0.2802
eV/atom
Formation energy
-2.9003
eV/atom
Corrected total energy
-235.5641
eV
Raw total energy
-227.1366
eV

Electronic Structure

Indirect band gap
0.2756
eV
Direct band gap
0.2865
eV
DOS at Fermi level
10.9505
Total magnetisation
8.1067
μB

Additional Information

Prototype ID

A2B3C6D7_3_spg11

Decomposition

K5U2O4F9 KO12 KUF6 UO3

Computed at

2024-10-10 12:46:03

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: agm005284886).

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 agm005284886
data_agm005284886
_cell_length_a     6.50021
_cell_length_b     9.26428
_cell_length_c     11.40414
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  94.17850
_cell_volume       684.92819
_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
  K1 K 0.53012 0.57449 0.75000 1.00000
  K2 K 0.46988 0.42551 0.25000 1.00000
  K3 K 0.89028 0.95069 0.75000 1.00000
  K4 K 0.10972 0.04931 0.25000 1.00000
  K5 K 0.00000 0.50000 0.00000 1.00000
  K6 K 0.00000 0.50000 0.50000 1.00000
  U1 U 0.59105 0.80860 0.44581 1.00000
  U2 U 0.40895 0.19140 0.55419 1.00000
  U3 U 0.40895 0.19140 0.94581 1.00000
  U4 U 0.59105 0.80860 0.05419 1.00000
  O1 O 0.26278 0.79676 0.75000 1.00000
  O2 O 0.73722 0.20324 0.25000 1.00000
  O3 O 0.82695 0.90281 0.39150 1.00000
  O4 O 0.17305 0.09719 0.60850 1.00000
  O5 O 0.17305 0.09719 0.89150 1.00000
  O6 O 0.82695 0.90281 0.10850 1.00000
  O7 O 0.64776 0.28282 0.00334 1.00000
  O8 O 0.35224 0.71718 0.99666 1.00000
  O9 O 0.35224 0.71718 0.50334 1.00000
  O10 O 0.64776 0.28282 0.49666 1.00000
  O11 O 0.94904 0.41456 0.75000 1.00000
  O12 O 0.05096 0.58544 0.25000 1.00000
  F1 F 0.53651 0.21617 0.75000 1.00000
  F2 F 0.46349 0.78383 0.25000 1.00000
  F3 F 0.69312 0.59992 0.38216 1.00000
  F4 F 0.30688 0.40008 0.61784 1.00000
  F5 F 0.30688 0.40008 0.88216 1.00000
  F6 F 0.69312 0.59992 0.11784 1.00000
  F7 F 0.76731 0.72217 0.90246 1.00000
  F8 F 0.23269 0.27783 0.09754 1.00000
  F9 F 0.23269 0.27783 0.40246 1.00000
  F10 F 0.76731 0.72217 0.59754 1.00000
  F11 F 0.58529 0.98233 0.90154 1.00000
  F12 F 0.41471 0.01767 0.09846 1.00000
  F13 F 0.41471 0.01767 0.40154 1.00000
  F14 F 0.58529 0.98233 0.59846 1.00000
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