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HEAS Data Platform · Materials Science Database

KBaYGe2O7

Alexandria ALEX

Alex-ID: agm010901323 · Space group: P2_1/m (#11)

Basic Information

Formula
KBaYGe2O7
Alex-ID
agm010901323
Elements
5
Sites
24
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
398.49
ų
Cell a
6.0186
Å
Cell b
7.3437
Å
Cell c
9.4727
Å
α angle
72.14
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KBaYGe2O7
K
2.00 · 8.3%
Ba
2.00 · 8.3%
Y
2.00 · 8.3%
Ge
4.00 · 16.7%
O
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0006
eV/atom
Formation energy
-2.7943
eV/atom
Corrected total energy
-173.9246
eV
Raw total energy
-164.0925
eV

Electronic Structure

Indirect band gap
3.7894
eV
Direct band gap
3.7931
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E7_70_spg11

Decomposition

Y2GeO5 K3YGe2O7 BaGeO3

Computed at

2024-04-10 09:15:59.766656

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: agm010901323).

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 agm010901323
data_agm010901323
_cell_length_a     6.01857
_cell_length_b     7.34369
_cell_length_c     9.47269
_cell_angle_alpha  72.13593
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       398.49270
_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 0.74004 0.99127 1.00000
  K2 K 0.75000 0.25996 0.00873 1.00000
  Ba1 Ba 0.75000 0.19370 0.47289 1.00000
  Ba2 Ba 0.25000 0.80630 0.52711 1.00000
  Y1 Y 0.25000 0.21132 0.73370 1.00000
  Y2 Y 0.75000 0.78868 0.26630 1.00000
  Ge1 Ge 0.25000 0.12268 0.16495 1.00000
  Ge2 Ge 0.75000 0.87732 0.83505 1.00000
  Ge3 Ge 0.25000 0.42850 0.32975 1.00000
  Ge4 Ge 0.75000 0.57150 0.67025 1.00000
  O1 O 0.25000 0.37283 0.15521 1.00000
  O2 O 0.75000 0.62717 0.84479 1.00000
  O3 O 0.00978 0.01944 0.26654 1.00000
  O4 O 0.50978 0.98056 0.73346 1.00000
  O5 O 0.99022 0.98056 0.73346 1.00000
  O6 O 0.49022 0.01944 0.26654 1.00000
  O7 O 0.25000 0.12662 0.97958 1.00000
  O8 O 0.75000 0.87338 0.02042 1.00000
  O9 O 0.25000 0.21649 0.48204 1.00000
  O10 O 0.75000 0.78351 0.51796 1.00000
  O11 O 0.49329 0.56115 0.32413 1.00000
  O12 O 0.99329 0.43885 0.67587 1.00000
  O13 O 0.50671 0.43885 0.67587 1.00000
  O14 O 0.00671 0.56115 0.32413 1.00000
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