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LaSm7O12

Alexandria ALEX

Alex-ID: agm013181579 · Space group: I2_12_12_1 (#24)

Basic Information

Formula
LaSm7O12
Alex-ID
agm013181579
Elements
3
Sites
40
Space group
I2_12_12_1 (#24)
Crystal system
orthorhombic
Volume
674.34
ų
Cell a
9.5683
Å
Cell b
9.5683
Å
Cell c
9.5683
Å
α angle
109.50
°
β angle
109.47
°
γ angle
109.44
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaSm7O12
La
2.00 · 5.0%
Sm
14.00 · 35.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0033
eV/atom
Formation energy
-3.8611
eV/atom
Corrected total energy
-349.4255
eV
Raw total energy
-332.5705
eV

Electronic Structure

Indirect band gap
3.7037
eV
Direct band gap
3.7548
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB7C12_12_spg24

Decomposition

La2O3 Sm2O3

Computed at

2024-12-28 10:04:58

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: agm013181579).

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 agm013181579
data_agm013181579
_cell_length_a     9.56829
_cell_length_b     9.56829
_cell_length_c     9.56829
_cell_angle_alpha  109.50428
_cell_angle_beta   109.46553
_cell_angle_gamma  109.44386
_cell_volume       674.34238
_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
  La1 La 0.52910 0.75000 0.27910 1.00000
  La2 La 0.97090 0.25000 0.22090 1.00000
  Sm1 Sm 0.03169 0.75000 0.78169 1.00000
  Sm2 Sm 0.99695 0.49842 0.99656 1.00000
  Sm3 Sm 0.28130 0.03130 0.25000 1.00000
  Sm4 Sm 0.21870 0.46870 0.75000 1.00000
  Sm5 Sm 0.75000 0.71721 0.96721 1.00000
  Sm6 Sm 0.75000 0.22081 0.47081 1.00000
  Sm7 Sm 0.00186 0.00039 0.50344 1.00000
  Sm8 Sm 0.50305 0.49961 0.50147 1.00000
  Sm9 Sm 0.49814 0.00158 0.99853 1.00000
  Sm10 Sm 0.46831 0.25000 0.71831 1.00000
  Sm11 Sm 0.25000 0.78279 0.53279 1.00000
  Sm12 Sm 0.25000 0.27919 0.02919 1.00000
  Sm13 Sm 0.71625 0.96625 0.75000 1.00000
  Sm14 Sm 0.78375 0.53375 0.25000 1.00000
  O1 O 0.54110 0.27077 0.51320 1.00000
  O2 O 0.95890 0.47211 0.72967 1.00000
  O3 O 0.97076 0.22838 0.95635 1.00000
  O4 O 0.27089 0.73073 0.76014 1.00000
  O5 O 0.77203 0.01441 0.54365 1.00000
  O6 O 0.47059 0.51075 0.73986 1.00000
  O7 O 0.24244 0.22923 0.77033 1.00000
  O8 O 0.25756 0.02789 0.98680 1.00000
  O9 O 0.48874 0.96519 0.22883 1.00000
  O10 O 0.72962 0.45841 0.96967 1.00000
  O11 O 0.77038 0.74005 0.72880 1.00000
  O12 O 0.01126 0.24009 0.47645 1.00000
  O13 O 0.98875 0.75995 0.53033 1.00000
  O14 O 0.51125 0.04159 0.77120 1.00000
  O15 O 0.23636 0.25991 0.27117 1.00000
  O16 O 0.26364 0.53481 0.02355 1.00000
  O17 O 0.73264 0.96436 0.00620 1.00000
  O18 O 0.76736 0.77356 0.23173 1.00000
  O19 O 0.22911 0.98925 0.45984 1.00000
  O20 O 0.52924 0.48559 0.25762 1.00000
  O21 O 0.02941 0.76927 0.04016 1.00000
  O22 O 0.72797 0.27162 0.24238 1.00000
  O23 O 0.45816 0.72644 0.49380 1.00000
  O24 O 0.04184 0.53564 0.26827 1.00000
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