Sr9SmF20
Alexandria ALEXAlex-ID: agm023930484 · Space group: P-1 (#2)
Basic Information
Formula
Sr9SmF20
Alex-ID
agm023930484
Elements
3
Sites
60
Space group
P-1 (#2)
Crystal system
triclinic
Volume
1,001.81
ų
Cell a
8.2692
Å
Cell b
9.2641
Å
Cell c
13.7190
Å
α angle
101.67
°
β angle
90.22
°
γ angle
102.93
°
Composition
Element Composition (atomic fraction)
Composition Info
Formula
Sr9SmF20
Sr
18.00 · 30.0%
Sm
2.00 · 3.3%
F
40.00 · 66.7%
Energy & Stability
Energy above hull
0.0389
eV/atom
Formation energy
-4.1833
eV/atom
Corrected total energy
-347.6777
eV
Raw total energy
-347.6777
eV
Electronic Structure
Indirect band gap
0.0000
eV
Direct band gap
0.0203
eV
DOS at Fermi level
4.3854
Total magnetisation
1.9112
μB
Additional Information
Prototype ID
AB9C20_0_spg2
Decomposition
Sr4Sm3F17 Sm SrF2
Computed at
2025-01-07 07:44:52
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: agm023930484).
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
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Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm023930484
data_agm023930484
_cell_length_a 8.26917
_cell_length_b 9.26411
_cell_length_c 13.71897
_cell_angle_alpha 101.66846
_cell_angle_beta 90.22106
_cell_angle_gamma 102.93125
_cell_volume 1001.81223
_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 0.52485 0.60294 0.65179 1.00000
Sr2 Sr 0.02619 0.59521 0.64982 1.00000
Sr3 Sr 0.32554 0.80217 0.45070 1.00000
Sr4 Sr 0.67446 0.19783 0.54930 1.00000
Sr5 Sr 0.62844 0.99908 0.24671 1.00000
Sr6 Sr 0.82306 0.79965 0.45432 1.00000
Sr7 Sr 0.97381 0.40479 0.35018 1.00000
Sr8 Sr 0.92706 0.19117 0.04765 1.00000
Sr9 Sr 0.17694 0.20035 0.54568 1.00000
Sr10 Sr 0.27446 0.59549 0.15146 1.00000
Sr11 Sr 0.22150 0.39584 0.85131 1.00000
Sr12 Sr 0.47515 0.39706 0.34821 1.00000
Sr13 Sr 0.42661 0.20231 0.04452 1.00000
Sr14 Sr 0.57339 0.79769 0.95548 1.00000
Sr15 Sr 0.77850 0.60416 0.14869 1.00000
Sr16 Sr 0.72554 0.40451 0.84854 1.00000
Sr17 Sr 0.07294 0.80883 0.95235 1.00000
Sr18 Sr 0.37156 0.00092 0.75329 1.00000
Sm1 Sm 0.11388 0.99567 0.24429 1.00000
Sm2 Sm 0.88612 0.00433 0.75571 1.00000
F1 F 0.81733 0.76045 0.63252 1.00000
F2 F 0.11014 0.95233 0.41866 1.00000
F3 F 0.38733 0.05100 0.57583 1.00000
F4 F 0.31249 0.75077 0.62688 1.00000
F5 F 0.46211 0.34962 0.52309 1.00000
F6 F 0.68751 0.24923 0.37312 1.00000
F7 F 0.61267 0.94900 0.42417 1.00000
F8 F 0.88986 0.04767 0.58134 1.00000
F9 F 0.92532 0.15637 0.23301 1.00000
F10 F 0.96249 0.34661 0.52267 1.00000
F11 F 0.03751 0.65339 0.47733 1.00000
F12 F 0.98545 0.44832 0.17561 1.00000
F13 F 0.21142 0.35431 0.02712 1.00000
F14 F 0.18267 0.23955 0.36748 1.00000
F15 F 0.26382 0.55088 0.32782 1.00000
F16 F 0.32530 0.85603 0.27544 1.00000
F17 F 0.28265 0.64885 0.97708 1.00000
F18 F 0.39937 0.14178 0.22657 1.00000
F19 F 0.53789 0.65038 0.47691 1.00000
F20 F 0.55488 0.74548 0.13061 1.00000
F21 F 0.63241 0.05656 0.07655 1.00000
F22 F 0.50964 0.55354 0.82500 1.00000
F23 F 0.49036 0.44646 0.17500 1.00000
F24 F 0.76166 0.55322 0.32645 1.00000
F25 F 0.71735 0.35115 0.02292 1.00000
F26 F 0.85027 0.85529 0.28484 1.00000
F27 F 0.78858 0.64569 0.97288 1.00000
F28 F 0.84358 0.94391 0.91386 1.00000
F29 F 0.07631 0.75386 0.13362 1.00000
F30 F 0.01455 0.55168 0.82439 1.00000
F31 F 0.15642 0.05609 0.08614 1.00000
F32 F 0.07468 0.84363 0.76699 1.00000
F33 F 0.14973 0.14471 0.71516 1.00000
F34 F 0.36759 0.94344 0.92345 1.00000
F35 F 0.44512 0.25452 0.86939 1.00000
F36 F 0.60063 0.85822 0.77343 1.00000
F37 F 0.67470 0.14397 0.72456 1.00000
F38 F 0.73618 0.44912 0.67218 1.00000
F39 F 0.92369 0.24614 0.86638 1.00000
F40 F 0.23834 0.44678 0.67355 1.00000
