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KCaHo2C4O12F

Alexandria ALEX

Alex-ID: agm010361306 · Space group: P6_3/mmc (#194)

Basic Information

Formula
KCaHo2C4O12F
Alex-ID
agm010361306
Elements
6
Sites
42
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
493.44
ų
Cell a
4.9460
Å
Cell b
4.9460
Å
Cell c
23.2920
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KCaHo2C4O12F
K
2.00 · 4.8%
Ca
2.00 · 4.8%
Ho
4.00 · 9.5%
C
8.00 · 19.0%
O
24.00 · 57.1%
F
2.00 · 4.8%

Energy & Stability

Energy above hull
0.0925
eV/atom
Formation energy
-2.6463
eV/atom
Corrected total energy
-331.2947
eV
Raw total energy
-314.4398
eV

Electronic Structure

Indirect band gap
4.0486
eV
Direct band gap
4.0486
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E4F12_0_spg194

Decomposition

Ho2CO5 CaCO3 KHo(CO3)2 HoF3 CO2

Computed at

2024-06-24 11:49:17.241410

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: agm010361306).

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 agm010361306
data_agm010361306
_cell_length_a     4.94595
_cell_length_b     4.94595
_cell_length_c     23.29195
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       493.44275
_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 0.33333 0.66667 0.75000 1.00000
  K2 K 0.66667 0.33333 0.25000 1.00000
  Ca1 Ca 0.00000 0.00000 0.00000 1.00000
  Ca2 Ca 0.00000 0.00000 0.50000 1.00000
  Ho1 Ho 0.33333 0.66667 0.36235 1.00000
  Ho2 Ho 0.66667 0.33333 0.86235 1.00000
  Ho3 Ho 0.66667 0.33333 0.63765 1.00000
  Ho4 Ho 0.33333 0.66667 0.13765 1.00000
  C1 C 0.00000 0.00000 0.66322 1.00000
  C2 C 0.00000 0.00000 0.16322 1.00000
  C3 C 0.00000 0.00000 0.33678 1.00000
  C4 C 0.00000 0.00000 0.83678 1.00000
  C5 C 0.66667 0.33333 0.43861 1.00000
  C6 C 0.33333 0.66667 0.93861 1.00000
  C7 C 0.33333 0.66667 0.56139 1.00000
  C8 C 0.66667 0.33333 0.06139 1.00000
  O1 O 0.15008 0.30015 0.66207 1.00000
  O2 O 0.84992 0.15008 0.16207 1.00000
  O3 O 0.30015 0.15008 0.16207 1.00000
  O4 O 0.69985 0.84992 0.66207 1.00000
  O5 O 0.15008 0.84992 0.66207 1.00000
  O6 O 0.84992 0.69985 0.33793 1.00000
  O7 O 0.84992 0.15008 0.33793 1.00000
  O8 O 0.84992 0.69985 0.16207 1.00000
  O9 O 0.30015 0.15008 0.33793 1.00000
  O10 O 0.69985 0.84992 0.83793 1.00000
  O11 O 0.15008 0.30015 0.83793 1.00000
  O12 O 0.15008 0.84992 0.83793 1.00000
  O13 O 0.51548 0.03096 0.44017 1.00000
  O14 O 0.48452 0.51548 0.94017 1.00000
  O15 O 0.03096 0.51548 0.94017 1.00000
  O16 O 0.96904 0.48452 0.44017 1.00000
  O17 O 0.51548 0.48452 0.44017 1.00000
  O18 O 0.48452 0.96904 0.55983 1.00000
  O19 O 0.48452 0.51548 0.55983 1.00000
  O20 O 0.48452 0.96904 0.94017 1.00000
  O21 O 0.03096 0.51548 0.55983 1.00000
  O22 O 0.96904 0.48452 0.05983 1.00000
  O23 O 0.51548 0.03096 0.05983 1.00000
  O24 O 0.51548 0.48452 0.05983 1.00000
  F1 F 0.33333 0.66667 0.25000 1.00000
  F2 F 0.66667 0.33333 0.75000 1.00000
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