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K2AlPCO7

Alexandria ALEX

Alex-ID: agm010229537 · Space group: P2_1/m (#11)

Basic Information

Formula
K2AlPCO7
Alex-ID
agm010229537
Elements
5
Sites
24
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
332.67
ų
Cell a
5.4903
Å
Cell b
6.2950
Å
Cell c
9.6289
Å
α angle
91.49
°
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
0.0040
eV/atom
Formation energy
-2.6367
eV/atom
Corrected total energy
-173.8627
eV
Raw total energy
-164.0306
eV

Electronic Structure

Indirect band gap
5.0266
eV
Direct band gap
5.0266
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E7_23_spg2

Decomposition

KAl(CO3)2 K3Al2(PO4)3 K2CO3

Computed at

2024-04-06 20:38:50

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: agm010229537).

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 agm010229537
data_agm010229537
_cell_length_a     5.49026
_cell_length_b     6.29499
_cell_length_c     9.62890
_cell_angle_alpha  91.48666
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       332.67414
_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 0.75000 0.77856 0.06144 1.00000
  K2 K 0.25000 0.22144 0.93856 1.00000
  K3 K 0.25000 0.56258 0.28375 1.00000
  K4 K 0.75000 0.43742 0.71625 1.00000
  Al1 Al 0.75000 0.23906 0.35243 1.00000
  Al2 Al 0.25000 0.76094 0.64757 1.00000
  P1 P 0.75000 0.74979 0.43970 1.00000
  P2 P 0.25000 0.25021 0.56030 1.00000
  C1 C 0.75000 0.26072 0.10292 1.00000
  C2 C 0.25000 0.73928 0.89708 1.00000
  O1 O 0.25000 0.71611 0.02810 1.00000
  O2 O 0.75000 0.28389 0.97190 1.00000
  O3 O 0.94975 0.24540 0.17718 1.00000
  O4 O 0.05025 0.75460 0.82282 1.00000
  O5 O 0.55025 0.24540 0.17718 1.00000
  O6 O 0.44975 0.75460 0.82282 1.00000
  O7 O 0.75000 0.55038 0.33998 1.00000
  O8 O 0.25000 0.44962 0.66002 1.00000
  O9 O 0.75000 0.94154 0.34285 1.00000
  O10 O 0.25000 0.05846 0.65715 1.00000
  O11 O 0.01791 0.25469 0.47030 1.00000
  O12 O 0.98209 0.74531 0.52970 1.00000
  O13 O 0.51791 0.74531 0.52970 1.00000
  O14 O 0.48209 0.25469 0.47030 1.00000
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