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K2AlPCO7

Alexandria ALEX

Alex-ID: agm010896085 · Space group: Pmn2_1 (#31)

Basic Information

Formula
K2AlPCO7
Alex-ID
agm010896085
Elements
5
Sites
24
Space group
Pmn2_1 (#31)
Crystal system
orthorhombic
Volume
332.97
ų
Cell a
5.4936
Å
Cell b
6.2737
Å
Cell c
9.6610
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2AlPCO7
K
4.00 · 16.7%
Al
2.00 · 8.3%
P
2.00 · 8.3%
C
2.00 · 8.3%
O
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0079
eV/atom
Formation energy
-2.6328
eV/atom
Corrected total energy
-173.7685
eV
Raw total energy
-163.9364
eV

Electronic Structure

Indirect band gap
4.9875
eV
Direct band gap
4.9875
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E7_17_spg4

Decomposition

KAl(CO3)2 K3Al2(PO4)3 K2CO3

Computed at

2024-03-03 06:32:15.913445

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: agm010896085).

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 agm010896085
data_agm010896085
_cell_length_a     5.49364
_cell_length_b     6.27371
_cell_length_c     9.66105
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       332.97309
_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 0.50000 0.75715 0.05999 1.00000
  K2 K 0.00000 0.25715 0.94001 1.00000
  K3 K 0.00000 0.56774 0.28524 1.00000
  K4 K 0.50000 0.06774 0.71476 1.00000
  Al1 Al 0.50000 0.24060 0.35261 1.00000
  Al2 Al 0.00000 0.74060 0.64739 1.00000
  P1 P 0.50000 0.74577 0.43984 1.00000
  P2 P 0.00000 0.24577 0.56016 1.00000
  C1 C 0.50000 0.24178 0.10349 1.00000
  C2 C 0.00000 0.74178 0.89651 1.00000
  O1 O 0.00000 0.72517 0.02816 1.00000
  O2 O 0.50000 0.22517 0.97184 1.00000
  O3 O 0.30017 0.24861 0.17791 1.00000
  O4 O 0.19983 0.74861 0.82209 1.00000
  O5 O 0.69983 0.24861 0.17791 1.00000
  O6 O 0.80017 0.74861 0.82209 1.00000
  O7 O 0.50000 0.94076 0.34157 1.00000
  O8 O 0.00000 0.44076 0.65843 1.00000
  O9 O 0.50000 0.54903 0.34178 1.00000
  O10 O 0.00000 0.04903 0.65822 1.00000
  O11 O 0.23202 0.24700 0.47052 1.00000
  O12 O 0.26798 0.74700 0.52948 1.00000
  O13 O 0.73202 0.74700 0.52948 1.00000
  O14 O 0.76798 0.24700 0.47052 1.00000
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