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HEAS Data Platform · Materials Science Database

K2Nb3Ni(PO4)6

Alexandria ALEX

Alex-ID: agm010959323 · Space group: R3 (#146)

Basic Information

Formula
K2Nb3Ni(PO4)6
Alex-ID
agm010959323
Elements
5
Sites
36
Space group
R3 (#146)
Crystal system
trigonal
Volume
516.40
ų
Cell a
9.3465
Å
Cell b
9.3465
Å
Cell c
9.3465
Å
α angle
55.45
°
β angle
55.45
°
γ angle
55.45
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Nb3Ni(PO4)6
K
2.00 · 5.6%
Nb
3.00 · 8.3%
Ni
1.00 · 2.8%
P
6.00 · 16.7%
O
24.00 · 66.7%

Energy & Stability

Energy above hull
0.0214
eV/atom
Formation energy
-2.7355
eV/atom
Corrected total energy
-288.1326
eV
Raw total energy
-269.1137
eV

Electronic Structure

Indirect band gap
0.0040
eV
Direct band gap
0.0292
eV
DOS at Fermi level
7.6903
Total magnetisation
3.1114
μB

Additional Information

Prototype ID

AB2C3D6E24_0_spg146

Decomposition

KNb(PO4)2 NbPO5 KNi(PO3)3 Ni

Computed at

2025-02-20 22:31:05

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: agm010959323).

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 agm010959323
data_agm010959323
_cell_length_a     9.34651
_cell_length_b     9.34651
_cell_length_c     9.34651
_cell_angle_alpha  55.45436
_cell_angle_beta   55.45436
_cell_angle_gamma  55.45436
_cell_volume       516.39684
_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 0.00408 0.00408 0.00408 1.00000
  K2 K 0.50097 0.50097 0.50097 1.00000
  Nb1 Nb 0.35162 0.35162 0.35162 1.00000
  Nb2 Nb 0.64884 0.64884 0.64884 1.00000
  Nb3 Nb 0.85154 0.85154 0.85154 1.00000
  Ni1 Ni 0.14986 0.14986 0.14986 1.00000
  P1 P 0.75320 0.46205 0.03737 1.00000
  P2 P 0.96520 0.25072 0.52787 1.00000
  P3 P 0.52787 0.96520 0.25072 1.00000
  P4 P 0.46205 0.03737 0.75320 1.00000
  P5 P 0.03737 0.75320 0.46205 1.00000
  P6 P 0.25072 0.52787 0.96520 1.00000
  O1 O 0.75293 0.64231 0.01213 1.00000
  O2 O 0.92753 0.29704 0.05727 1.00000
  O3 O 0.69846 0.94301 0.06748 1.00000
  O4 O 0.86900 0.72317 0.50009 1.00000
  O5 O 0.57319 0.43170 0.20890 1.00000
  O6 O 0.79034 0.41552 0.58886 1.00000
  O7 O 0.50730 0.13661 0.26347 1.00000
  O8 O 0.26278 0.35537 0.97603 1.00000
  O9 O 0.35537 0.97603 0.26278 1.00000
  O10 O 0.94301 0.06748 0.69846 1.00000
  O11 O 0.26347 0.50730 0.13661 1.00000
  O12 O 0.58886 0.79034 0.41552 1.00000
  O13 O 0.43170 0.20890 0.57319 1.00000
  O14 O 0.72317 0.50009 0.86900 1.00000
  O15 O 0.05727 0.92753 0.29704 1.00000
  O16 O 0.64231 0.01213 0.75293 1.00000
  O17 O 0.50009 0.86900 0.72317 1.00000
  O18 O 0.20890 0.57319 0.43170 1.00000
  O19 O 0.41552 0.58886 0.79034 1.00000
  O20 O 0.13661 0.26347 0.50730 1.00000
  O21 O 0.97603 0.26278 0.35537 1.00000
  O22 O 0.01213 0.75293 0.64231 1.00000
  O23 O 0.29704 0.05727 0.92753 1.00000
  O24 O 0.06748 0.69846 0.94301 1.00000
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