Navigation

HEAS Data Platform · Materials Science Database

SrAlAs(O2F)2

Alexandria ALEX

Alex-ID: agm010871840 · Space group: P2_1/c (#14)

Basic Information

Formula
SrAlAs(O2F)2
Alex-ID
agm010871840
Elements
5
Sites
36
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
451.06
ų
Cell a
12.4579
Å
Cell b
5.2774
Å
Cell c
7.8119
Å
α angle
61.43
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrAlAs(O2F)2
Sr
4.00 · 11.1%
Al
4.00 · 11.1%
As
4.00 · 11.1%
O
16.00 · 44.4%
F
8.00 · 22.2%

Energy & Stability

Energy above hull
0.0247
eV/atom
Formation energy
-3.0344
eV/atom
Corrected total energy
-240.2730
eV
Raw total energy
-229.0364
eV

Electronic Structure

Indirect band gap
4.0545
eV
Direct band gap
4.0545
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2E4_21_spg14

Decomposition

SrAl2As2(O4F)2 SrF2

Computed at

2024-11-08 12:28:56.164721

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: agm010871840).

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 agm010871840
data_agm010871840
_cell_length_a     12.45793
_cell_length_b     5.27743
_cell_length_c     7.81188
_cell_angle_alpha  61.43043
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       451.06162
_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 0.69637 0.15288 0.31018 1.00000
  Sr2 Sr 0.30363 0.84712 0.68982 1.00000
  Sr3 Sr 0.19637 0.84712 0.18982 1.00000
  Sr4 Sr 0.80363 0.15288 0.81018 1.00000
  Al1 Al 0.00000 0.00000 0.50000 1.00000
  Al2 Al 0.50000 0.00000 0.00000 1.00000
  Al3 Al 0.00000 0.50000 0.00000 1.00000
  Al4 Al 0.50000 0.50000 0.50000 1.00000
  As1 As 0.89099 0.62926 0.30702 1.00000
  As2 As 0.10901 0.37074 0.69298 1.00000
  As3 As 0.39099 0.37074 0.19298 1.00000
  As4 As 0.60901 0.62926 0.80702 1.00000
  O1 O 0.91264 0.73271 0.48106 1.00000
  O2 O 0.08736 0.26729 0.51894 1.00000
  O3 O 0.41264 0.26729 0.01894 1.00000
  O4 O 0.58736 0.73271 0.98106 1.00000
  O5 O 0.37521 0.74510 0.05428 1.00000
  O6 O 0.62479 0.25490 0.94572 1.00000
  O7 O 0.87521 0.25490 0.44572 1.00000
  O8 O 0.12479 0.74510 0.55428 1.00000
  O9 O 0.99481 0.69806 0.14491 1.00000
  O10 O 0.00519 0.30194 0.85509 1.00000
  O11 O 0.49481 0.30194 0.35509 1.00000
  O12 O 0.50519 0.69806 0.64491 1.00000
  O13 O 0.77671 0.78757 0.18579 1.00000
  O14 O 0.22329 0.21243 0.81421 1.00000
  O15 O 0.27671 0.21243 0.31421 1.00000
  O16 O 0.72329 0.78757 0.68579 1.00000
  F1 F 0.35905 0.60865 0.45792 1.00000
  F2 F 0.64095 0.39135 0.54208 1.00000
  F3 F 0.85905 0.39135 0.04208 1.00000
  F4 F 0.14095 0.60865 0.95792 1.00000
  F5 F 0.53866 0.83950 0.26743 1.00000
  F6 F 0.46134 0.16050 0.73257 1.00000
  F7 F 0.03866 0.16050 0.23257 1.00000
  F8 F 0.96134 0.83950 0.76743 1.00000
Get direct link