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SrAc2GeO5

Alexandria ALEX

Alex-ID: agm005144587 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
SrAc2GeO5
Alex-ID
agm005144587
Elements
4
Sites
18
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
315.45
ų
Cell a
6.2291
Å
Cell b
7.1163
Å
Cell c
7.1163
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrAc2GeO5
Sr
2.00 · 11.1%
Ac
4.00 · 22.2%
Ge
2.00 · 11.1%
O
10.00 · 55.6%

Energy & Stability

Energy above hull
0.3923
eV/atom
Formation energy
-2.8335
eV/atom
Corrected total energy
-129.6328
eV
Raw total energy
-122.6099
eV

Electronic Structure

Indirect band gap
0.1784
eV
Direct band gap
0.2203
eV
DOS at Fermi level
3.0049
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D5_267_spg127

Decomposition

Sr2GeO4 Ac2O3 Ge

Computed at

2023-01-17 11:52:29.120448

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: agm005144587).

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 agm005144587
data_agm005144587
_cell_length_a     6.22909
_cell_length_b     7.11630
_cell_length_c     7.11630
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       315.45157
_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
  Sr1 Sr 0.00000 0.50000 0.50000 1.00000
  Sr2 Sr 0.00000 0.00000 0.00000 1.00000
  Ac1 Ac 0.50000 0.67242 0.17242 1.00000
  Ac2 Ac 0.50000 0.17242 0.32758 1.00000
  Ac3 Ac 0.50000 0.82758 0.67242 1.00000
  Ac4 Ac 0.50000 0.32758 0.82758 1.00000
  Ge1 Ge 0.00000 0.00000 0.50000 1.00000
  Ge2 Ge 0.00000 0.50000 0.00000 1.00000
  O1 O 0.50000 0.50000 0.50000 1.00000
  O2 O 0.50000 0.00000 0.00000 1.00000
  O3 O 0.24216 0.14677 0.64677 1.00000
  O4 O 0.24216 0.85323 0.35323 1.00000
  O5 O 0.24216 0.35323 0.14677 1.00000
  O6 O 0.24216 0.64677 0.85323 1.00000
  O7 O 0.75784 0.14677 0.64677 1.00000
  O8 O 0.75784 0.64677 0.85323 1.00000
  O9 O 0.75784 0.85323 0.35323 1.00000
  O10 O 0.75784 0.35323 0.14677 1.00000
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