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Be4Ge2H2O9

Alexandria ALEX

Alex-ID: agm006373339 · Space group: Cmc2_1 (#36)

Basic Information

Formula
Be4Ge2H2O9
Alex-ID
agm006373339
Elements
4
Sites
34
Space group
Cmc2_1 (#36)
Crystal system
orthorhombic
Volume
331.90
ų
Cell a
9.0406
Å
Cell b
9.0406
Å
Cell c
4.7150
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.54
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Be4Ge2H2O9
Be
8.00 · 23.5%
Ge
4.00 · 11.8%
H
4.00 · 11.8%
O
18.00 · 52.9%

Energy & Stability

Energy above hull
0.0076
eV/atom
Formation energy
-2.4613
eV/atom
Corrected total energy
-234.1699
eV
Raw total energy
-221.5287
eV

Electronic Structure

Indirect band gap
4.3467
eV
Direct band gap
4.4634
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C4D9_10_spg36

Decomposition

Be2GeO4 H2O

Computed at

2024-12-03 05:52:09

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: agm006373339).

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 agm006373339
data_agm006373339
_cell_length_a     9.04063
_cell_length_b     9.04063
_cell_length_c     4.71496
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.54165
_cell_volume       331.90195
_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
  Be1 Be 0.71908 0.61193 0.49321 1.00000
  Be2 Be 0.28092 0.38807 0.99321 1.00000
  Be3 Be 0.61193 0.71908 0.99321 1.00000
  Be4 Be 0.38807 0.28092 0.49321 1.00000
  Be5 Be 0.04429 0.60644 0.49568 1.00000
  Be6 Be 0.95571 0.39356 0.99568 1.00000
  Be7 Be 0.60644 0.04429 0.99568 1.00000
  Be8 Be 0.39356 0.95571 0.49568 1.00000
  Ge1 Ge 0.06722 0.29091 0.49529 1.00000
  Ge2 Ge 0.93278 0.70909 0.99529 1.00000
  Ge3 Ge 0.29091 0.06722 0.99529 1.00000
  Ge4 Ge 0.70909 0.93278 0.49529 1.00000
  H1 H 0.36181 0.63819 0.18479 1.00000
  H2 H 0.63819 0.36181 0.68479 1.00000
  H3 H 0.29432 0.70568 0.70269 1.00000
  H4 H 0.70568 0.29432 0.20269 1.00000
  O1 O 0.08976 0.33763 0.12819 1.00000
  O2 O 0.91024 0.66237 0.62819 1.00000
  O3 O 0.33763 0.08976 0.62819 1.00000
  O4 O 0.66237 0.91024 0.12819 1.00000
  O5 O 0.26525 0.34194 0.65326 1.00000
  O6 O 0.73475 0.65806 0.15326 1.00000
  O7 O 0.34194 0.26525 0.15326 1.00000
  O8 O 0.65806 0.73475 0.65326 1.00000
  O9 O 0.99876 0.42447 0.65422 1.00000
  O10 O 0.00124 0.57553 0.15422 1.00000
  O11 O 0.42447 0.99876 0.15422 1.00000
  O12 O 0.57553 0.00124 0.65422 1.00000
  O13 O 0.07396 0.92604 0.07724 1.00000
  O14 O 0.92604 0.07396 0.57724 1.00000
  O15 O 0.40801 0.59199 0.04691 1.00000
  O16 O 0.59199 0.40801 0.54691 1.00000
  O17 O 0.24950 0.75050 0.55866 1.00000
  O18 O 0.75050 0.24950 0.05866 1.00000
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