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KEr(PO3)4

Alexandria ALEX

Alex-ID: agm022045786 · Space group: P2_1 (#4)

Basic Information

Formula
KEr(PO3)4
Alex-ID
agm022045786
Elements
4
Sites
36
Space group
P2_1 (#4)
Crystal system
monoclinic
Volume
535.82
ų
Cell a
8.9459
Å
Cell b
7.4915
Å
Cell c
8.0848
Å
α angle
81.46
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KEr(PO3)4
K
2.00 · 5.6%
Er
2.00 · 5.6%
P
8.00 · 22.2%
O
24.00 · 66.7%

Energy & Stability

Energy above hull
0.0140
eV/atom
Formation energy
-2.9260
eV/atom
Corrected total energy
-278.9412
eV
Raw total energy
-262.0863
eV

Electronic Structure

Indirect band gap
5.2997
eV
Direct band gap
5.2997
eV
DOS at Fermi level
0.0000
Total magnetisation
-0.0010
μB

Additional Information

Prototype ID

ABC4D12_29_spg4

Decomposition

Er(PO3)3 KPO3

Computed at

2024-11-08 05:47:24.585439

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: agm022045786).

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 agm022045786
data_agm022045786
_cell_length_a     8.94588
_cell_length_b     7.49151
_cell_length_c     8.08475
_cell_angle_alpha  81.46431
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       535.82324
_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 0.34153 0.78271 0.19296 1.00000
  K2 K 0.84153 0.21729 0.80704 1.00000
  Er1 Er 0.48929 0.72124 0.69594 1.00000
  Er2 Er 0.98929 0.27876 0.30406 1.00000
  P1 P 0.86742 0.86482 0.54871 1.00000
  P2 P 0.36742 0.13518 0.45129 1.00000
  P3 P 0.60713 0.42478 0.38873 1.00000
  P4 P 0.10713 0.57522 0.61127 1.00000
  P5 P 0.41553 0.14049 0.80851 1.00000
  P6 P 0.91553 0.85951 0.19149 1.00000
  P7 P 0.22993 0.41310 0.93974 1.00000
  P8 P 0.72993 0.58690 0.06026 1.00000
  O1 O 0.25295 0.67258 0.58099 1.00000
  O2 O 0.75295 0.32742 0.41901 1.00000
  O3 O 0.47477 0.28991 0.35230 1.00000
  O4 O 0.97477 0.71009 0.64770 1.00000
  O5 O 0.33679 0.20480 0.62710 1.00000
  O6 O 0.83679 0.79520 0.37290 1.00000
  O7 O 0.45130 0.95893 0.47845 1.00000
  O8 O 0.95130 0.04107 0.52155 1.00000
  O9 O 0.40903 0.93610 0.84653 1.00000
  O10 O 0.90903 0.06390 0.15347 1.00000
  O11 O 0.10556 0.44470 0.79070 1.00000
  O12 O 0.60556 0.55530 0.20930 1.00000
  O13 O 0.85117 0.44910 0.09651 1.00000
  O14 O 0.35117 0.55090 0.90349 1.00000
  O15 O 0.15017 0.39894 0.10230 1.00000
  O16 O 0.65017 0.60106 0.89770 1.00000
  O17 O 0.55389 0.54001 0.51366 1.00000
  O18 O 0.05389 0.45999 0.48634 1.00000
  O19 O 0.78713 0.78915 0.07489 1.00000
  O20 O 0.28713 0.21085 0.92511 1.00000
  O21 O 0.22353 0.14153 0.35687 1.00000
  O22 O 0.72353 0.85847 0.64313 1.00000
  O23 O 0.05962 0.76664 0.17834 1.00000
  O24 O 0.55962 0.23336 0.82166 1.00000
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