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SrY2Ge2O7F2

Alexandria ALEX

Alex-ID: agm010706687 · Space group: P-1 (#2)

Basic Information

Formula
SrY2Ge2O7F2
Alex-ID
agm010706687
Elements
5
Sites
28
Space group
P-1 (#2)
Crystal system
triclinic
Volume
394.59
ų
Cell a
5.3535
Å
Cell b
6.8683
Å
Cell c
11.9404
Å
α angle
96.24
°
β angle
100.88
°
γ angle
111.14
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrY2Ge2O7F2
Sr
2.00 · 7.1%
Y
4.00 · 14.3%
Ge
4.00 · 14.3%
O
14.00 · 50.0%
F
4.00 · 14.3%

Energy & Stability

Energy above hull
0.0167
eV/atom
Formation energy
-3.2871
eV/atom
Corrected total energy
-214.8374
eV
Raw total energy
-205.0053
eV

Electronic Structure

Indirect band gap
3.7414
eV
Direct band gap
3.7440
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D2E7_4_spg2

Decomposition

Y2Ge2O7 SrF2

Computed at

2024-07-31 10:04:37.863462

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: agm010706687).

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 agm010706687
data_agm010706687
_cell_length_a     5.35349
_cell_length_b     6.86827
_cell_length_c     11.94039
_cell_angle_alpha  96.23913
_cell_angle_beta   100.87996
_cell_angle_gamma  111.13562
_cell_volume       394.58683
_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 0.56818 0.37959 0.73763 1.00000
  Sr2 Sr 0.43182 0.62041 0.26237 1.00000
  Y1 Y 0.32730 0.80099 0.87016 1.00000
  Y2 Y 0.67270 0.19901 0.12984 1.00000
  Y3 Y 0.19055 0.80452 0.54287 1.00000
  Y4 Y 0.80945 0.19548 0.45713 1.00000
  Ge1 Ge 0.78603 0.94727 0.71629 1.00000
  Ge2 Ge 0.21397 0.05273 0.28371 1.00000
  Ge3 Ge 0.14188 0.27199 0.94917 1.00000
  Ge4 Ge 0.85812 0.72801 0.05083 1.00000
  O1 O 0.79919 0.10223 0.85172 1.00000
  O2 O 0.20081 0.89777 0.14828 1.00000
  O3 O 0.35236 0.12291 0.96236 1.00000
  O4 O 0.64764 0.87709 0.03764 1.00000
  O5 O 0.08345 0.34274 0.08435 1.00000
  O6 O 0.91655 0.65726 0.91565 1.00000
  O7 O 0.27612 0.45787 0.86396 1.00000
  O8 O 0.72388 0.54213 0.13604 1.00000
  O9 O 0.48075 0.71689 0.70140 1.00000
  O10 O 0.51925 0.28311 0.29860 1.00000
  O11 O 0.65224 0.07160 0.61250 1.00000
  O12 O 0.34776 0.92840 0.38750 1.00000
  O13 O 0.09631 0.91672 0.71565 1.00000
  O14 O 0.90369 0.08328 0.28435 1.00000
  F1 F 0.79577 0.81178 0.44721 1.00000
  F2 F 0.20423 0.18822 0.55279 1.00000
  F3 F 0.13588 0.50811 0.41844 1.00000
  F4 F 0.86412 0.49189 0.58156 1.00000
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