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Sm2Er3Tm2

Alexandria ALEX

Alex-ID: agm010021512 · Space group: C2/m (#12)

Basic Information

Formula
Sm2Er3Tm2
Alex-ID
agm010021512
Elements
3
Sites
7
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
218.48
ų
Cell a
6.1033
Å
Cell b
6.1033
Å
Cell c
10.6270
Å
α angle
84.49
°
β angle
95.51
°
γ angle
146.31
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Er3Tm2
Sm
2.00 · 28.6%
Er
3.00 · 42.9%
Tm
2.00 · 28.6%

Energy & Stability

Energy above hull
0.0339
eV/atom
Formation energy
0.0274
eV/atom
Corrected total energy
-31.8872
eV
Raw total energy
-31.8871
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.8820
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B2C3_244_spg12

Decomposition

ErTm2 Sm3(Er2Tm)2

Computed at

2025-05-28 18:32:46

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: agm010021512).

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 agm010021512
data_agm010021512
_cell_length_a     6.10326
_cell_length_b     6.10326
_cell_length_c     10.62696
_cell_angle_alpha  84.48852
_cell_angle_beta   95.51148
_cell_angle_gamma  146.30761
_cell_volume       218.48400
_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
  Sm1 Sm 0.71457 0.28543 0.35520 1.00000
  Sm2 Sm 0.28543 0.71457 0.64480 1.00000
  Er1 Er 0.00000 0.00000 0.50000 1.00000
  Er2 Er 0.14263 0.85737 0.07006 1.00000
  Er3 Er 0.85737 0.14263 0.92994 1.00000
  Tm1 Tm 0.42893 0.57107 0.21210 1.00000
  Tm2 Tm 0.57107 0.42893 0.78790 1.00000
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