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K3Al2(PO4)3

Alexandria ALEX

Alex-ID: agm011237269 · Space group: Cmc2_1 (#36)

Basic Information

Formula
K3Al2(PO4)3
Alex-ID
agm011237269
Elements
4
Sites
40
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
657.81
ų
Cell a
9.5627
Å
Cell b
9.5627
Å
Cell c
8.9938
Å
α angle
90.00
°
β angle
90.00
°
γ angle
126.89
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K3Al2(PO4)3
K
6.00 · 15.0%
Al
4.00 · 10.0%
P
6.00 · 15.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0073
eV/atom
Formation energy
-2.9369
eV/atom
Corrected total energy
-290.5273
eV
Raw total energy
-273.6723
eV

Electronic Structure

Indirect band gap
4.3708
eV
Direct band gap
4.3870
eV
DOS at Fermi level
0.0000
Total magnetisation
0.1729
μB

Additional Information

Prototype ID

A2B3C3D12_32_spg36

Decomposition

K3Al2(PO4)3

Computed at

2024-12-28 09:14:50

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: agm011237269).

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 agm011237269
data_agm011237269
_cell_length_a     9.56270
_cell_length_b     9.56270
_cell_length_c     8.99379
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  126.88615
_cell_volume       657.81100
_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 0.36816 0.36816 0.64416 1.00000
  K2 K 0.63184 0.63184 0.14416 1.00000
  K3 K 0.17275 0.94407 0.97402 1.00000
  K4 K 0.82725 0.05593 0.47402 1.00000
  K5 K 0.05593 0.82725 0.47402 1.00000
  K6 K 0.94407 0.17275 0.97402 1.00000
  Al1 Al 0.48336 0.81921 0.82052 1.00000
  Al2 Al 0.51664 0.18079 0.32052 1.00000
  Al3 Al 0.18079 0.51664 0.32052 1.00000
  Al4 Al 0.81921 0.48336 0.82052 1.00000
  P1 P 0.77672 0.77672 0.76851 1.00000
  P2 P 0.22328 0.22328 0.26851 1.00000
  P3 P 0.53065 0.12228 0.65387 1.00000
  P4 P 0.46935 0.87772 0.15387 1.00000
  P5 P 0.87772 0.46935 0.15387 1.00000
  P6 P 0.12228 0.53065 0.65387 1.00000
  O1 O 0.71552 0.71552 0.60932 1.00000
  O2 O 0.28448 0.28448 0.10932 1.00000
  O3 O 0.95354 0.95354 0.78507 1.00000
  O4 O 0.04646 0.04646 0.28507 1.00000
  O5 O 0.63362 0.77662 0.86063 1.00000
  O6 O 0.36638 0.22338 0.36063 1.00000
  O7 O 0.22338 0.36638 0.36063 1.00000
  O8 O 0.77662 0.63362 0.86063 1.00000
  O9 O 0.33833 0.03443 0.67397 1.00000
  O10 O 0.66167 0.96557 0.17397 1.00000
  O11 O 0.96557 0.66167 0.17397 1.00000
  O12 O 0.03443 0.33833 0.67397 1.00000
  O13 O 0.63877 0.30709 0.72680 1.00000
  O14 O 0.36123 0.69291 0.22680 1.00000
  O15 O 0.69291 0.36123 0.22680 1.00000
  O16 O 0.30709 0.63877 0.72680 1.00000
  O17 O 0.40862 0.84838 0.98771 1.00000
  O18 O 0.59138 0.15162 0.48771 1.00000
  O19 O 0.15162 0.59138 0.48771 1.00000
  O20 O 0.84838 0.40862 0.98771 1.00000
  O21 O 0.59350 0.01692 0.71999 1.00000
  O22 O 0.40650 0.98308 0.21999 1.00000
  O23 O 0.98308 0.40650 0.21999 1.00000
  O24 O 0.01692 0.59350 0.71999 1.00000
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