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Pm9Nd11Y4

Alexandria ALEX

Alex-ID: agm005723050 · Space group: Cmmm (#65)

Alexandria Database API

Basic Information

Formula
Pm9Nd11Y4
Alex-ID
agm005723050
Elements
3
Sites
24
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
837.23
ų
Cell a
3.6706
Å
Cell b
15.9616
Å
Cell c
15.9616
Å
α angle
116.46
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm9Nd11Y4
Pm
9.00 · 37.5%
Nd
11.00 · 45.8%
Y
4.00 · 16.7%

Energy & Stability

Energy above hull
0.0578
eV/atom
Formation energy
0.0532
eV/atom
Corrected total energy
-119.8265
eV
Raw total energy
-119.8265
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0080
eV
DOS at Fermi level
34.2606
Total magnetisation
0.0006
μB

Additional Information

Prototype ID

A4B9C11_7_spg65

Decomposition

PmNd3Y4 Pm2Nd Nd

Computed at

2023-07-11 16:19:41.029896

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: agm005723050).

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 agm005723050
data_agm005723050
_cell_length_a     3.67057
_cell_length_b     15.96165
_cell_length_c     15.96165
_cell_angle_alpha  116.45592
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       837.23383
_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 0.50000 0.61043 0.17684 1.00000
  Pm2 Pm 0.50000 0.38957 0.82316 1.00000
  Pm3 Pm 0.50000 0.17684 0.61043 1.00000
  Pm4 Pm 0.50000 0.82316 0.38957 1.00000
  Pm5 Pm 0.50000 0.79645 0.98332 1.00000
  Pm6 Pm 0.50000 0.20355 0.01668 1.00000
  Pm7 Pm 0.50000 0.98332 0.79645 1.00000
  Pm8 Pm 0.50000 0.01668 0.20355 1.00000
  Pm9 Pm 0.50000 0.50000 0.50000 1.00000
  Nd1 Nd 0.00000 0.59655 0.96578 1.00000
  Nd2 Nd 0.00000 0.40345 0.03422 1.00000
  Nd3 Nd 0.00000 0.96578 0.59655 1.00000
  Nd4 Nd 0.00000 0.03422 0.40345 1.00000
  Nd5 Nd 0.00000 0.61889 0.38111 1.00000
  Nd6 Nd 0.00000 0.38111 0.61889 1.00000
  Nd7 Nd 0.00000 0.81159 0.18841 1.00000
  Nd8 Nd 0.00000 0.18841 0.81159 1.00000
  Nd9 Nd 0.00000 0.00000 0.00000 1.00000
  Nd10 Nd 0.00000 0.78399 0.78399 1.00000
  Nd11 Nd 0.00000 0.21601 0.21601 1.00000
  Y1 Y 0.50000 0.58503 0.76338 1.00000
  Y2 Y 0.50000 0.41497 0.23662 1.00000
  Y3 Y 0.50000 0.76338 0.58503 1.00000
  Y4 Y 0.50000 0.23662 0.41497 1.00000
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