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Pm2Sm2Y2Er

Alexandria ALEX

Alex-ID: agm025491127 · Space group: C2/m (#12)

Alexandria Database API

Basic Information

Formula
Pm2Sm2Y2Er
Alex-ID
agm025491127
Elements
4
Sites
7
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
231.02
ų
Cell a
6.2253
Å
Cell b
6.2253
Å
Cell c
8.0555
Å
α angle
82.63
°
β angle
97.37
°
γ angle
131.63
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2Sm2Y2Er
Pm
2.00 · 28.6%
Sm
2.00 · 28.6%
Y
2.00 · 28.6%
Er
1.00 · 14.3%

Energy & Stability

Energy above hull
0.0248
eV/atom
Formation energy
0.0181
eV/atom
Corrected total energy
-36.3103
eV
Raw total energy
-36.3103
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.7700
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D2_136_spg164

Decomposition

Pm3SmY4 Sm2Y PmSm2 Pm2SmEr6

Computed at

2025-05-23 22:43:42

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: agm025491127).

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 agm025491127
data_agm025491127
_cell_length_a     6.22525
_cell_length_b     6.22525
_cell_length_c     8.05552
_cell_angle_alpha  82.63112
_cell_angle_beta   97.36888
_cell_angle_gamma  131.63044
_cell_volume       231.02085
_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
  Pm1 Pm 0.85678 0.14322 0.07376 1.00000
  Pm2 Pm 0.14322 0.85678 0.92624 1.00000
  Sm1 Sm 0.28570 0.71430 0.35908 1.00000
  Sm2 Sm 0.71430 0.28570 0.64092 1.00000
  Y1 Y 0.42900 0.57100 0.78460 1.00000
  Y2 Y 0.57100 0.42900 0.21540 1.00000
  Er1 Er 0.00000 0.00000 0.50000 1.00000
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