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Pm3ErAg7

Alexandria ALEX

Alex-ID: agm005998760 · Space group: Cmcm (#63)

Basic Information

Formula
Pm3ErAg7
Alex-ID
agm005998760
Elements
3
Sites
22
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
547.61
ų
Cell a
3.7420
Å
Cell b
10.6916
Å
Cell c
13.9020
Å
α angle
90.00
°
β angle
90.00
°
γ angle
100.08
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm3ErAg7
Pm
6.00 · 27.3%
Er
2.00 · 9.1%
Ag
14.00 · 63.6%

Energy & Stability

Energy above hull
0.1259
eV/atom
Formation energy
-0.1588
eV/atom
Corrected total energy
-81.0408
eV
Raw total energy
-81.0408
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
14.5503
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C7_168_spg63

Decomposition

PmAg2 ErAg2 PmAg

Computed at

2023-08-11 11:37:16.254182

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: agm005998760).

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 agm005998760
data_agm005998760
_cell_length_a     3.74201
_cell_length_b     10.69156
_cell_length_c     13.90198
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  100.07856
_cell_volume       547.60665
_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 0.12627 0.25254 0.46305 1.00000
  Pm2 Pm 0.87373 0.74746 0.53695 1.00000
  Pm3 Pm 0.22438 0.44875 0.75000 1.00000
  Pm4 Pm 0.77562 0.55125 0.25000 1.00000
  Pm5 Pm 0.12627 0.25254 0.03695 1.00000
  Pm6 Pm 0.87373 0.74746 0.96305 1.00000
  Er1 Er 0.99129 0.98258 0.25000 1.00000
  Er2 Er 0.00871 0.01742 0.75000 1.00000
  Ag1 Ag 0.38755 0.77511 0.75000 1.00000
  Ag2 Ag 0.61245 0.22489 0.25000 1.00000
  Ag3 Ag 0.51675 0.03349 0.40787 1.00000
  Ag4 Ag 0.48325 0.96651 0.59213 1.00000
  Ag5 Ag 0.48325 0.96651 0.90787 1.00000
  Ag6 Ag 0.51675 0.03349 0.09213 1.00000
  Ag7 Ag 0.38944 0.77888 0.34981 1.00000
  Ag8 Ag 0.61056 0.22112 0.65019 1.00000
  Ag9 Ag 0.27064 0.54129 0.43205 1.00000
  Ag10 Ag 0.72936 0.45871 0.56795 1.00000
  Ag11 Ag 0.72936 0.45871 0.93205 1.00000
  Ag12 Ag 0.27064 0.54129 0.06795 1.00000
  Ag13 Ag 0.38944 0.77888 0.15019 1.00000
  Ag14 Ag 0.61056 0.22112 0.84981 1.00000
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