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Er3P2H9

Alexandria ALEX

Alex-ID: agm006201669 · Space group: P-3m1 (#164)

Basic Information

Formula
Er3P2H9
Alex-ID
agm006201669
Elements
3
Sites
14
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
142.31
ų
Cell a
4.2879
Å
Cell b
4.2879
Å
Cell c
8.9373
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er3P2H9
P
2.00 · 14.3%
Er
3.00 · 21.4%
H
9.00 · 64.3%

Energy & Stability

Energy above hull
0.4533
eV/atom
Formation energy
-0.2276
eV/atom
Corrected total energy
-56.8525
eV
Raw total energy
-56.8525
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0372
eV
DOS at Fermi level
1.2453
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C9_423_spg164

Decomposition

PH4 ErH3 ErP

Computed at

2024-02-02 06:24:59

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: agm006201669).

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 agm006201669
data_agm006201669
_cell_length_a     4.28792
_cell_length_b     4.28792
_cell_length_c     8.93731
_cell_angle_alpha  90.00000
_cell_angle_beta   89.99998
_cell_angle_gamma  120.00001
_cell_volume       142.30826
_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
  P1 P 0.33333 0.66666 0.83827 1.00000
  P2 P 0.66666 0.33333 0.16175 1.00000
  Er1 Er 0.33333 0.66667 0.37363 1.00000
  Er2 Er 1.00000 1.00000 0.00000 1.00000
  Er3 Er 0.66667 0.33333 0.62637 1.00000
  H1 H 0.82302 0.64604 0.42214 1.00000
  H2 H 0.82301 0.17698 0.42214 1.00000
  H3 H 0.50000 0.00001 0.00002 1.00000
  H4 H 0.17698 0.82302 0.57786 1.00000
  H5 H 0.64604 0.82302 0.57786 1.00000
  H6 H 0.35397 0.17698 0.42214 1.00000
  H7 H 0.17698 0.35397 0.57787 1.00000
  H8 H 1.00000 0.50000 0.99997 1.00000
  H9 H 0.50001 0.50000 0.99998 1.00000
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