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K2GeO3

Alexandria ALEX

Alex-ID: agm033656240 · Space group: P-1 (#2)

Basic Information

Formula
K2GeO3
Alex-ID
agm033656240
Elements
3
Sites
24
Space group
P-1 (#2)
Crystal system
triclinic
Volume
475.89
ų
Cell a
6.3826
Å
Cell b
7.0211
Å
Cell c
10.8395
Å
α angle
80.64
°
β angle
96.54
°
γ angle
92.97
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2GeO3
K
8.00 · 33.3%
Ge
4.00 · 16.7%
O
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0215
eV/atom
Formation energy
-2.0969
eV/atom
Corrected total energy
-137.1103
eV
Raw total energy
-128.6828
eV

Electronic Structure

Indirect band gap
3.0632
eV
Direct band gap
3.1209
eV
DOS at Fermi level
0.0000
Total magnetisation
0.2815
μB

Additional Information

Prototype ID

AB2C3_608_spg14

Decomposition

K2GeO3

Computed at

2024-11-13 04:16:25.383724

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: agm033656240).

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 agm033656240
data_agm033656240
_cell_length_a     6.38263
_cell_length_b     7.02111
_cell_length_c     10.83951
_cell_angle_alpha  80.64218
_cell_angle_beta   96.54119
_cell_angle_gamma  92.96508
_cell_volume       475.89493
_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 0.79783 0.15513 0.19543 1.00000
  K2 K 0.78302 0.57228 0.35499 1.00000
  K3 K 0.21698 0.42772 0.64501 1.00000
  K4 K 0.20217 0.84487 0.80457 1.00000
  K5 K 0.75654 0.10478 0.54948 1.00000
  K6 K 0.27585 0.18400 0.02764 1.00000
  K7 K 0.72415 0.81600 0.97236 1.00000
  K8 K 0.24346 0.89522 0.45052 1.00000
  Ge1 Ge 0.27489 0.35627 0.32891 1.00000
  Ge2 Ge 0.72511 0.64373 0.67109 1.00000
  Ge3 Ge 0.79627 0.30684 0.83061 1.00000
  Ge4 Ge 0.20373 0.69316 0.16939 1.00000
  O1 O 0.91016 0.73034 0.56754 1.00000
  O2 O 0.50853 0.78284 0.67086 1.00000
  O3 O 0.08984 0.26966 0.43246 1.00000
  O4 O 0.49147 0.21716 0.32914 1.00000
  O5 O 0.87307 0.56803 0.82989 1.00000
  O6 O 0.64340 0.38412 0.67273 1.00000
  O7 O 0.35166 0.79198 0.04999 1.00000
  O8 O 0.99402 0.82968 0.19101 1.00000
  O9 O 0.64834 0.20802 0.95001 1.00000
  O10 O 0.00598 0.17032 0.80899 1.00000
  O11 O 0.12693 0.43197 0.17011 1.00000
  O12 O 0.35660 0.61588 0.32727 1.00000
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