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Ac8PmY4

Alexandria ALEX

Alex-ID: agm098109945 · Space group: Pm (#6)

Basic Information

Formula
Ac8PmY4
Alex-ID
agm098109945
Elements
3
Sites
13
Space group
Pm (#6)
Crystal system
monoclinic
Volume
521.74
ų
Cell a
3.8275
Å
Cell b
13.0300
Å
Cell c
11.9955
Å
α angle
119.29
°
β angle
90.00
°
γ angle
90.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ac8PmY4
Ac
8.00 · 61.5%
Pm
1.00 · 7.7%
Y
4.00 · 30.8%

Energy & Stability

Energy above hull
0.0686
eV/atom
Formation energy
0.0656
eV/atom
Corrected total energy
-62.6173
eV
Raw total energy
-62.6173
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
20.0899
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB4C8_1348_spg8

Decomposition

Pm2Y7 PmY8 Ac

Computed at

2025-06-19 20:58:03

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: agm098109945).

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 agm098109945
data_agm098109945
_cell_length_a     3.82750
_cell_length_b     13.03001
_cell_length_c     11.99550
_cell_angle_alpha  119.29425
_cell_angle_beta   89.99634
_cell_angle_gamma  90.01509
_cell_volume       521.74040
_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
  Ac1 Ac 0.88382 0.77408 0.13103 1.00000
  Ac2 Ac 0.38522 0.38815 0.30652 1.00000
  Ac3 Ac 0.88511 0.30825 0.54308 1.00000
  Ac4 Ac 0.88381 0.92172 0.69283 1.00000
  Ac5 Ac 0.38493 0.07087 0.24606 1.00000
  Ac6 Ac 0.38412 0.70782 0.38045 1.00000
  Ac7 Ac 0.38475 0.53716 0.84169 1.00000
  Ac8 Ac 0.38494 0.21402 0.77798 1.00000
  Pm1 Pm 0.38372 0.85218 0.90321 1.00000
  Y1 Y 0.88494 0.14951 0.02510 1.00000
  Y2 Y 0.88505 0.45603 0.07053 1.00000
  Y3 Y 0.88462 0.61954 0.61885 1.00000
  Y4 Y 0.88497 0.00066 0.46265 1.00000
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