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KPr2GeO5

Alexandria ALEX

Alex-ID: agm005144591 · Space group: I4/mcm (#140)

Alexandria Database API

Basic Information

Formula
KPr2GeO5
Alex-ID
agm005144591
Elements
4
Sites
18
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
282.68
ų
Cell a
6.9417
Å
Cell b
6.9417
Å
Cell c
7.6491
Å
α angle
116.98
°
β angle
116.98
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KPr2GeO5
K
2.00 · 11.1%
Pr
4.00 · 22.2%
Ge
2.00 · 11.1%
O
10.00 · 55.6%

Energy & Stability

Energy above hull
0.2668
eV/atom
Formation energy
-2.7321
eV/atom
Corrected total energy
-129.3350
eV
Raw total energy
-122.3121
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0763
eV
DOS at Fermi level
5.1336
Total magnetisation
1.6530
μB

Additional Information

Prototype ID

ABC2D5_41_spg140

Decomposition

K3PrGe2O7 Pr2GeO5 Pr2O3 Ge

Computed at

2023-01-17 12:30:04.920824

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: agm005144591).

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 agm005144591
data_agm005144591
_cell_length_a     6.94165
_cell_length_b     6.94165
_cell_length_c     7.64909
_cell_angle_alpha  116.98498
_cell_angle_beta   116.98498
_cell_angle_gamma  90.00000
_cell_volume       282.68423
_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 0.25000 0.25000 0.50000 1.00000
  K2 K 0.75000 0.75000 0.50000 1.00000
  Pr1 Pr 0.17878 0.32122 0.00000 1.00000
  Pr2 Pr 0.67878 0.17878 0.00000 1.00000
  Pr3 Pr 0.32122 0.82122 1.00000 1.00000
  Pr4 Pr 0.82122 0.67878 0.00000 1.00000
  Ge1 Ge 0.25000 0.75000 0.50000 1.00000
  Ge2 Ge 0.75000 0.25000 0.50000 1.00000
  O1 O 0.99358 0.49358 0.25880 1.00000
  O2 O 0.73477 0.23477 0.74120 1.00000
  O3 O 0.00642 0.50642 0.74120 1.00000
  O4 O 0.23477 0.00642 0.74120 1.00000
  O5 O 0.50642 0.73477 0.74120 1.00000
  O6 O 0.76523 0.99358 0.25880 1.00000
  O7 O 0.49358 0.26523 0.25880 1.00000
  O8 O 0.26523 0.76523 0.25880 1.00000
  O9 O 0.50000 0.50000 0.00000 1.00000
  O10 O 0.00000 0.00000 0.00000 1.00000
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