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KBaTbCd(GeO3)4

Alexandria ALEX

Alex-ID: agm010470940 · Space group: P2/c (#13)

Basic Information

Formula
KBaTbCd(GeO3)4
Alex-ID
agm010470940
Elements
6
Sites
40
Space group
P2/c (#13)
Crystal system
monoclinic
Volume
602.48
ų
Cell a
10.0727
Å
Cell b
5.7192
Å
Cell c
10.9370
Å
α angle
72.98
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KBaTbCd(GeO3)4
K
2.00 · 5.0%
Ba
2.00 · 5.0%
Tb
2.00 · 5.0%
Cd
2.00 · 5.0%
Ge
8.00 · 20.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0118
eV/atom
Formation energy
-2.4757
eV/atom
Corrected total energy
-272.1249
eV
Raw total energy
-255.2699
eV

Electronic Structure

Indirect band gap
2.7711
eV
Direct band gap
2.8332
eV
DOS at Fermi level
0.0000
Total magnetisation
-0.0007
μB

Additional Information

Prototype ID

ABCDE4F12_3_spg13

Decomposition

KBaTb(GeO3)3 Cd2GeO4 BaGeO3 K4Ge9O20 BaTb4Ge5O17

Computed at

2024-08-24 23:53:53.659418

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: agm010470940).

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 agm010470940
data_agm010470940
_cell_length_a     10.07268
_cell_length_b     5.71920
_cell_length_c     10.93704
_cell_angle_alpha  72.98478
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       602.47844
_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 0.57127 0.50000 0.25000 1.00000
  K2 K 0.42873 0.50000 0.75000 1.00000
  Ba1 Ba 0.06097 0.00000 0.75000 1.00000
  Ba2 Ba 0.93903 0.00000 0.25000 1.00000
  Tb1 Tb 0.64061 0.00000 0.75000 1.00000
  Tb2 Tb 0.35939 0.00000 0.25000 1.00000
  Cd1 Cd 0.15024 0.50000 0.25000 1.00000
  Cd2 Cd 0.84976 0.50000 0.75000 1.00000
  Ge1 Ge 0.83762 0.68161 0.03196 1.00000
  Ge2 Ge 0.83762 0.31839 0.46804 1.00000
  Ge3 Ge 0.33981 0.18421 0.53073 1.00000
  Ge4 Ge 0.16238 0.68161 0.53196 1.00000
  Ge5 Ge 0.33981 0.81579 0.96927 1.00000
  Ge6 Ge 0.16238 0.31839 0.96804 1.00000
  Ge7 Ge 0.66019 0.18421 0.03073 1.00000
  Ge8 Ge 0.66019 0.81579 0.46927 1.00000
  O1 O 0.76915 0.62351 0.40392 1.00000
  O2 O 0.99165 0.69485 0.10098 1.00000
  O3 O 0.82457 0.78313 0.86405 1.00000
  O4 O 0.26483 0.11695 0.90249 1.00000
  O5 O 0.82457 0.21687 0.63595 1.00000
  O6 O 0.49169 0.18405 0.60486 1.00000
  O7 O 0.23085 0.62351 0.90392 1.00000
  O8 O 0.99165 0.30515 0.39902 1.00000
  O9 O 0.33122 0.27453 0.36382 1.00000
  O10 O 0.00835 0.69485 0.60098 1.00000
  O11 O 0.76915 0.37649 0.09608 1.00000
  O12 O 0.17543 0.78313 0.36405 1.00000
  O13 O 0.33122 0.72547 0.13618 1.00000
  O14 O 0.73517 0.11695 0.40249 1.00000
  O15 O 0.49169 0.81595 0.89514 1.00000
  O16 O 0.17543 0.21687 0.13595 1.00000
  O17 O 0.50831 0.18405 0.10486 1.00000
  O18 O 0.26483 0.88305 0.59751 1.00000
  O19 O 0.00835 0.30515 0.89902 1.00000
  O20 O 0.66878 0.27453 0.86382 1.00000
  O21 O 0.23085 0.37649 0.59608 1.00000
  O22 O 0.66878 0.72547 0.63618 1.00000
  O23 O 0.50831 0.81595 0.39514 1.00000
  O24 O 0.73517 0.88305 0.09751 1.00000
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