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HEAS Data Platform · Materials Science Database

Sr2YF7

Alexandria ALEX

Alex-ID: agm012118481 · Space group: P2_1/c (#14)

Basic Information

Formula
Sr2YF7
Alex-ID
agm012118481
Elements
3
Sites
40
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
602.31
ų
Cell a
12.5477
Å
Cell b
5.6641
Å
Cell c
8.4757
Å
α angle
89.11
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sr2YF7
Sr
8.00 · 20.0%
Y
4.00 · 10.0%
F
28.00 · 70.0%

Energy & Stability

Energy above hull
0.0197
eV/atom
Formation energy
-4.3219
eV/atom
Corrected total energy
-252.0190
eV
Raw total energy
-252.0190
eV

Electronic Structure

Indirect band gap
6.9902
eV
Direct band gap
6.9902
eV
DOS at Fermi level
0.0000
Total magnetisation
0.3400
μB

Additional Information

Prototype ID

AB2C7_13_spg4

Decomposition

Sr4Y3F17 SrF2

Computed at

2024-10-15 22:09:06.924430

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: agm012118481).

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 agm012118481
data_agm012118481
_cell_length_a     12.54771
_cell_length_b     5.66406
_cell_length_c     8.47574
_cell_angle_alpha  89.11455
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       602.30722
_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 0.56412 0.73264 0.67262 1.00000
  Sr2 Sr 0.06412 0.26736 0.82738 1.00000
  Sr3 Sr 0.43588 0.26736 0.32738 1.00000
  Sr4 Sr 0.93588 0.73264 0.17262 1.00000
  Sr5 Sr 0.22386 0.73353 0.56051 1.00000
  Sr6 Sr 0.72386 0.26647 0.93949 1.00000
  Sr7 Sr 0.77614 0.26647 0.43949 1.00000
  Sr8 Sr 0.27614 0.73353 0.06051 1.00000
  Y1 Y 0.12397 0.22295 0.29348 1.00000
  Y2 Y 0.62397 0.77705 0.20652 1.00000
  Y3 Y 0.87603 0.77705 0.70652 1.00000
  Y4 Y 0.37603 0.22295 0.79348 1.00000
  F1 F 0.14696 0.28502 0.54799 1.00000
  F2 F 0.64696 0.71498 0.95201 1.00000
  F3 F 0.85304 0.71498 0.45201 1.00000
  F4 F 0.35304 0.28502 0.04799 1.00000
  F5 F 0.25567 0.49383 0.31415 1.00000
  F6 F 0.75567 0.50617 0.18585 1.00000
  F7 F 0.74433 0.50617 0.68585 1.00000
  F8 F 0.24433 0.49383 0.81415 1.00000
  F9 F 0.04589 0.68468 0.70398 1.00000
  F10 F 0.54589 0.31532 0.79602 1.00000
  F11 F 0.95411 0.31532 0.29602 1.00000
  F12 F 0.45411 0.68468 0.20398 1.00000
  F13 F 0.10204 0.00461 0.07580 1.00000
  F14 F 0.60204 0.99539 0.42420 1.00000
  F15 F 0.89796 0.99539 0.92420 1.00000
  F16 F 0.39796 0.00461 0.57580 1.00000
  F17 F 0.22676 0.00054 0.80311 1.00000
  F18 F 0.72676 0.99946 0.69689 1.00000
  F19 F 0.77324 0.99946 0.19689 1.00000
  F20 F 0.27324 0.00054 0.30311 1.00000
  F21 F 0.42731 0.85942 0.87568 1.00000
  F22 F 0.92731 0.14058 0.62432 1.00000
  F23 F 0.57269 0.14058 0.12432 1.00000
  F24 F 0.07269 0.85942 0.37568 1.00000
  F25 F 0.10283 0.48990 0.08881 1.00000
  F26 F 0.60283 0.51010 0.41119 1.00000
  F27 F 0.89717 0.51010 0.91119 1.00000
  F28 F 0.39717 0.48990 0.58881 1.00000
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