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K2TiHF7

Alexandria ALEX

Alex-ID: agm005245272 · Space group: P2_1/m (#11)

Basic Information

Formula
K2TiHF7
Alex-ID
agm005245272
Elements
4
Sites
22
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
342.44
ų
Cell a
6.0161
Å
Cell b
6.2144
Å
Cell c
9.2834
Å
α angle
80.62
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2TiHF7
K
4.00 · 18.2%
Ti
2.00 · 9.1%
H
2.00 · 9.1%
F
14.00 · 63.6%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-3.2742
eV/atom
Corrected total energy
-118.5992
eV
Raw total energy
-118.5992
eV

Electronic Structure

Indirect band gap
4.7491
eV
Direct band gap
4.7518
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0013
μB

Additional Information

Prototype ID

ABC2D7_246_spg11

Decomposition

K2TiHF7

Computed at

2023-05-08 23:11:35.229817

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: agm005245272).

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 agm005245272
data_agm005245272
_cell_length_a     6.01613
_cell_length_b     6.21444
_cell_length_c     9.28341
_cell_angle_alpha  80.62106
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       342.43758
_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 0.75000 0.75826 0.99435 1.00000
  K2 K 0.25000 0.24174 0.00565 1.00000
  K3 K 0.25000 0.82261 0.65971 1.00000
  K4 K 0.75000 0.17739 0.34029 1.00000
  Ti1 Ti 0.25000 0.69841 0.21310 1.00000
  Ti2 Ti 0.75000 0.30159 0.78690 1.00000
  H1 H 0.75000 0.64270 0.54412 1.00000
  H2 H 0.25000 0.35730 0.45588 1.00000
  F1 F 0.75000 0.80282 0.53407 1.00000
  F2 F 0.25000 0.19718 0.46593 1.00000
  F3 F 0.25000 0.59843 0.42197 1.00000
  F4 F 0.75000 0.40157 0.57803 1.00000
  F5 F 0.47107 0.90803 0.22412 1.00000
  F6 F 0.97107 0.09197 0.77588 1.00000
  F7 F 0.52893 0.09197 0.77588 1.00000
  F8 F 0.02893 0.90803 0.22412 1.00000
  F9 F 0.25000 0.78148 0.00804 1.00000
  F10 F 0.75000 0.21852 0.99196 1.00000
  F11 F 0.02814 0.48868 0.19175 1.00000
  F12 F 0.52814 0.51132 0.80825 1.00000
  F13 F 0.97186 0.51132 0.80825 1.00000
  F14 F 0.47186 0.48868 0.19175 1.00000
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