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Pm2Y7

Alexandria ALEX

Alex-ID: agm010059271 · Space group: C2/m (#12)

Basic Information

Formula
Pm2Y7
Alex-ID
agm010059271
Elements
2
Sites
9
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
294.08
ų
Cell a
9.4941
Å
Cell b
9.4941
Å
Cell c
8.8009
Å
α angle
89.96
°
β angle
89.96
°
γ angle
21.76
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2Y7
Pm
2.00 · 22.2%
Y
7.00 · 77.8%

Energy & Stability

Energy above hull
0.0271
eV/atom
Formation energy
0.0187
eV/atom
Corrected total energy
-54.5747
eV
Raw total energy
-54.5747
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
14.0242
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B7_147_spg1

Decomposition

Pm2Y7

Computed at

2024-04-06 14:59:22

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: agm010059271).

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 agm010059271
data_agm010059271
_cell_length_a     9.49407
_cell_length_b     9.49407
_cell_length_c     8.80086
_cell_angle_alpha  89.95955
_cell_angle_beta   89.95955
_cell_angle_gamma  21.75953
_cell_volume       294.08062
_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 0.77782 0.77782 0.33299 1.00000
  Pm2 Pm 0.22218 0.22218 0.66701 1.00000
  Y1 Y 0.44496 0.44496 0.33250 1.00000
  Y2 Y 0.55504 0.55504 0.66750 1.00000
  Y3 Y 0.66624 0.66624 0.99973 1.00000
  Y4 Y 0.33376 0.33376 0.00027 1.00000
  Y5 Y 0.88980 0.88980 0.66812 1.00000
  Y6 Y 0.11020 0.11020 0.33188 1.00000
  Y7 Y 0.00000 0.00000 0.00000 1.00000
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