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KSrHoGe2O7

Alexandria ALEX

Alex-ID: agm010902203 · Space group: P2_1/m (#11)

Basic Information

Formula
KSrHoGe2O7
Alex-ID
agm010902203
Elements
5
Sites
24
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
382.43
ų
Cell a
5.9443
Å
Cell b
7.2692
Å
Cell c
9.2999
Å
α angle
72.12
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KSrHoGe2O7
K
2.00 · 8.3%
Sr
2.00 · 8.3%
Ho
2.00 · 8.3%
Ge
4.00 · 16.7%
O
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0393
eV/atom
Formation energy
-2.7864
eV/atom
Corrected total energy
-169.4988
eV
Raw total energy
-159.6667
eV

Electronic Structure

Indirect band gap
3.5581
eV
Direct band gap
3.5660
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E7_70_spg11

Decomposition

KHo(GeO3)2 Sr3Ho2(GeO4)3 K4Ge9O20 K3HoGe2O7

Computed at

2024-04-10 09:18:50.450583

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: agm010902203).

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 agm010902203
data_agm010902203
_cell_length_a     5.94429
_cell_length_b     7.26919
_cell_length_c     9.29985
_cell_angle_alpha  72.11735
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       382.43407
_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 0.22947 0.47964 1.00000
  K2 K 0.75000 0.77053 0.52036 1.00000
  Sr1 Sr 0.75000 0.66751 0.97364 1.00000
  Sr2 Sr 0.25000 0.33249 0.02636 1.00000
  Ho1 Ho 0.25000 0.71796 0.23125 1.00000
  Ho2 Ho 0.75000 0.28204 0.76875 1.00000
  Ge1 Ge 0.25000 0.61228 0.66746 1.00000
  Ge2 Ge 0.75000 0.38772 0.33254 1.00000
  Ge3 Ge 0.25000 0.92317 0.82796 1.00000
  Ge4 Ge 0.75000 0.07683 0.17204 1.00000
  O1 O 0.25000 0.86653 0.64969 1.00000
  O2 O 0.75000 0.13347 0.35031 1.00000
  O3 O 0.01077 0.51189 0.77805 1.00000
  O4 O 0.51077 0.48811 0.22195 1.00000
  O5 O 0.98923 0.48811 0.22195 1.00000
  O6 O 0.48923 0.51189 0.77805 1.00000
  O7 O 0.25000 0.60914 0.48087 1.00000
  O8 O 0.75000 0.39086 0.51913 1.00000
  O9 O 0.25000 0.70863 0.98228 1.00000
  O10 O 0.75000 0.29137 0.01772 1.00000
  O11 O 0.49952 0.05161 0.82087 1.00000
  O12 O 0.99952 0.94839 0.17913 1.00000
  O13 O 0.50048 0.94839 0.17913 1.00000
  O14 O 0.00048 0.05161 0.82087 1.00000
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