Navigation

HEAS Data Platform · Materials Science Database

K2Ni(NO3)4

Alexandria ALEX

Alex-ID: agm020055869 · Space group: P2_1/c (#14)

Basic Information

Formula
K2Ni(NO3)4
Alex-ID
agm020055869
Elements
4
Sites
38
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
586.82
ų
Cell a
7.3352
Å
Cell b
8.2288
Å
Cell c
9.7339
Å
α angle
90.00
°
β angle
92.84
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Ni(NO3)4
K
4.00 · 10.5%
Ni
2.00 · 5.3%
N
8.00 · 21.1%
O
24.00 · 63.2%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.2427
eV/atom
Corrected total energy
-245.8171
eV
Raw total energy
-224.6341
eV

Electronic Structure

Indirect band gap
3.1380
eV
Direct band gap
3.1444
eV
DOS at Fermi level
0.0000
Total magnetisation
3.8692
μB

Additional Information

Prototype ID

AB2C4D12_33_spg14

Decomposition

K2Ni(NO3)4

Computed at

2024-12-19 12:39:33

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: agm020055869).

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 agm020055869
data_agm020055869
_cell_length_a     7.33524
_cell_length_b     8.22879
_cell_length_c     9.73394
_cell_angle_alpha  90.00000
_cell_angle_beta   92.83588
_cell_angle_gamma  90.00000
_cell_volume       586.82267
_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 0.71163 0.94779 0.87801 1.00000
  K2 K 0.28837 0.44779 0.62199 1.00000
  K3 K 0.28837 0.05221 0.12199 1.00000
  K4 K 0.71163 0.55221 0.37801 1.00000
  Ni1 Ni 0.00000 0.00000 0.50000 1.00000
  Ni2 Ni 0.00000 0.50000 0.00000 1.00000
  N1 N 0.82477 0.91017 0.23403 1.00000
  N2 N 0.17523 0.41017 0.26597 1.00000
  N3 N 0.17523 0.08983 0.76597 1.00000
  N4 N 0.82477 0.58983 0.73403 1.00000
  N5 N 0.26465 0.81274 0.46103 1.00000
  N6 N 0.73535 0.31274 0.03897 1.00000
  N7 N 0.73535 0.18726 0.53897 1.00000
  N8 N 0.26465 0.68726 0.96103 1.00000
  O1 O 0.84032 0.86922 0.36365 1.00000
  O2 O 0.15968 0.36922 0.13635 1.00000
  O3 O 0.15968 0.13078 0.63635 1.00000
  O4 O 0.84032 0.63078 0.86365 1.00000
  O5 O 0.92315 0.01989 0.18893 1.00000
  O6 O 0.07685 0.51989 0.31107 1.00000
  O7 O 0.07685 0.98011 0.81107 1.00000
  O8 O 0.92315 0.48011 0.68893 1.00000
  O9 O 0.70837 0.83483 0.15971 1.00000
  O10 O 0.29163 0.33483 0.34029 1.00000
  O11 O 0.29163 0.16517 0.84029 1.00000
  O12 O 0.70837 0.66517 0.65971 1.00000
  O13 O 0.23884 0.94484 0.39231 1.00000
  O14 O 0.76116 0.44484 0.10769 1.00000
  O15 O 0.76116 0.05516 0.60769 1.00000
  O16 O 0.23884 0.55516 0.89231 1.00000
  O17 O 0.39209 0.71907 0.44110 1.00000
  O18 O 0.60791 0.21907 0.05890 1.00000
  O19 O 0.60791 0.28093 0.55890 1.00000
  O20 O 0.39209 0.78093 0.94110 1.00000
  O21 O 0.14817 0.78411 0.55286 1.00000
  O22 O 0.85183 0.28411 0.94714 1.00000
  O23 O 0.85183 0.21589 0.44714 1.00000
  O24 O 0.14817 0.71589 0.05286 1.00000
Get direct link