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KHfNb(PO4)3

Alexandria ALEX

Alex-ID: agm010948713 · Space group: R3c (#161)

Basic Information

Formula
KHfNb(PO4)3
Alex-ID
agm010948713
Elements
5
Sites
36
Space group
R3c (#161)
Crystal system
trigonal
Volume
532.36
ų
Cell a
9.4239
Å
Cell b
9.4239
Å
Cell c
9.4239
Å
α angle
55.67
°
β angle
55.67
°
γ angle
55.67
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KHfNb(PO4)3
K
2.00 · 5.6%
Hf
2.00 · 5.6%
Nb
2.00 · 5.6%
P
6.00 · 16.7%
O
24.00 · 66.7%

Energy & Stability

Energy above hull
0.0179
eV/atom
Formation energy
-3.0337
eV/atom
Corrected total energy
-302.9214
eV
Raw total energy
-286.0664
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.5987
Total magnetisation
2.0007
μB

Additional Information

Prototype ID

ABCD3E12_0_spg161

Decomposition

NbPO5 KNb(PO4)2 NbP KHf2(PO4)3

Computed at

2024-12-22 16:30:40

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: agm010948713).

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 agm010948713
data_agm010948713
_cell_length_a     9.42393
_cell_length_b     9.42393
_cell_length_c     9.42393
_cell_angle_alpha  55.67060
_cell_angle_beta   55.67060
_cell_angle_gamma  55.67060
_cell_volume       532.36333
_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 0.50136 0.50136 0.50136 1.00000
  K2 K 0.00136 0.00136 0.00136 1.00000
  Hf1 Hf 0.35137 0.35137 0.35137 1.00000
  Hf2 Hf 0.85137 0.85137 0.85137 1.00000
  Nb1 Nb 0.64954 0.64954 0.64954 1.00000
  Nb2 Nb 0.14954 0.14954 0.14954 1.00000
  P1 P 0.53633 0.96348 0.25062 1.00000
  P2 P 0.96348 0.25062 0.53633 1.00000
  P3 P 0.25062 0.53633 0.96348 1.00000
  P4 P 0.03633 0.75062 0.46348 1.00000
  P5 P 0.75062 0.46348 0.03633 1.00000
  P6 P 0.46348 0.03633 0.75062 1.00000
  O1 O 0.42976 0.20625 0.57789 1.00000
  O2 O 0.20625 0.57789 0.42976 1.00000
  O3 O 0.57789 0.42976 0.20625 1.00000
  O4 O 0.92976 0.07789 0.70625 1.00000
  O5 O 0.07789 0.70625 0.92976 1.00000
  O6 O 0.70625 0.92976 0.07789 1.00000
  O7 O 0.56769 0.79463 0.42494 1.00000
  O8 O 0.79463 0.42494 0.56769 1.00000
  O9 O 0.42494 0.56769 0.79463 1.00000
  O10 O 0.06769 0.92494 0.29463 1.00000
  O11 O 0.92494 0.29463 0.06769 1.00000
  O12 O 0.29463 0.06769 0.92494 1.00000
  O13 O 0.50966 0.13578 0.25937 1.00000
  O14 O 0.13578 0.25937 0.50966 1.00000
  O15 O 0.25937 0.50966 0.13578 1.00000
  O16 O 0.00966 0.75937 0.63578 1.00000
  O17 O 0.75937 0.63578 0.00966 1.00000
  O18 O 0.63578 0.00966 0.75937 1.00000
  O19 O 0.48563 0.86666 0.73962 1.00000
  O20 O 0.86666 0.73962 0.48563 1.00000
  O21 O 0.73962 0.48563 0.86666 1.00000
  O22 O 0.98563 0.23962 0.36666 1.00000
  O23 O 0.23962 0.36666 0.98563 1.00000
  O24 O 0.36666 0.98563 0.23962 1.00000
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