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KNd2Se2O8F3

Alexandria ALEX

Alex-ID: agm010743152 · Space group: C2/c (#15)

Basic Information

Formula
KNd2Se2O8F3
Alex-ID
agm010743152
Elements
5
Sites
32
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
457.70
ų
Cell a
8.9195
Å
Cell b
8.9195
Å
Cell c
8.5218
Å
α angle
67.76
°
β angle
112.24
°
γ angle
132.12
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KNd2Se2O8F3
K
2.00 · 6.3%
Nd
4.00 · 12.5%
Se
4.00 · 12.5%
O
16.00 · 50.0%
F
6.00 · 18.8%

Energy & Stability

Energy above hull
0.0239
eV/atom
Formation energy
-2.5969
eV/atom
Corrected total energy
-206.2125
eV
Raw total energy
-194.9758
eV

Electronic Structure

Indirect band gap
3.8715
eV
Direct band gap
3.8820
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

AB2C2D3E8_6_spg15

Decomposition

KNd(SeO4)2 NdF3

Computed at

2025-02-21 19:48:08

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: agm010743152).

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 agm010743152
data_agm010743152
_cell_length_a     8.91954
_cell_length_b     8.91954
_cell_length_c     8.52178
_cell_angle_alpha  67.75500
_cell_angle_beta   112.24500
_cell_angle_gamma  132.12282
_cell_volume       457.69822
_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 0.38854 0.38854 0.75000 1.00000
  K2 K 0.61146 0.61146 0.25000 1.00000
  Nd1 Nd 0.20235 0.97258 0.45624 1.00000
  Nd2 Nd 0.97258 0.20235 0.04376 1.00000
  Nd3 Nd 0.02742 0.79765 0.95624 1.00000
  Nd4 Nd 0.79765 0.02742 0.54376 1.00000
  Se1 Se 0.59857 0.22978 0.16239 1.00000
  Se2 Se 0.40143 0.77022 0.83761 1.00000
  Se3 Se 0.22978 0.59857 0.33761 1.00000
  Se4 Se 0.77022 0.40143 0.66239 1.00000
  O1 O 0.15687 0.54862 0.13954 1.00000
  O2 O 0.61475 0.89500 0.98016 1.00000
  O3 O 0.10500 0.38525 0.48016 1.00000
  O4 O 0.16810 0.75086 0.30173 1.00000
  O5 O 0.28412 0.51872 0.90490 1.00000
  O6 O 0.84313 0.45138 0.86046 1.00000
  O7 O 0.54862 0.15687 0.36046 1.00000
  O8 O 0.71588 0.48128 0.09510 1.00000
  O9 O 0.89500 0.61475 0.51984 1.00000
  O10 O 0.24914 0.83190 0.80173 1.00000
  O11 O 0.51872 0.28412 0.59510 1.00000
  O12 O 0.75086 0.16810 0.19827 1.00000
  O13 O 0.48128 0.71588 0.40490 1.00000
  O14 O 0.38525 0.10500 0.01984 1.00000
  O15 O 0.45138 0.84313 0.63954 1.00000
  O16 O 0.83190 0.24914 0.69827 1.00000
  F1 F 0.09435 0.01133 0.65250 1.00000
  F2 F 0.98867 0.90565 0.15250 1.00000
  F3 F 0.90565 0.98867 0.34750 1.00000
  F4 F 0.01133 0.09435 0.84750 1.00000
  F5 F 0.73864 0.73864 0.75000 1.00000
  F6 F 0.26136 0.26136 0.25000 1.00000
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