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Dy2NpBe2Ir5

Alexandria ALEX

Alex-ID: agm034945104 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Dy2NpBe2Ir5
Alex-ID
agm034945104
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
326.11
ų
Cell a
9.6474
Å
Cell b
9.6474
Å
Cell c
3.5039
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Dy2NpBe2Ir5
Dy
4.00 · 20.0%
Np
2.00 · 10.0%
Be
4.00 · 20.0%
Ir
10.00 · 50.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.7103
eV/atom
Corrected total energy
-162.0024
eV
Raw total energy
-162.0024
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
20.4824
Total magnetisation
4.7584
μB

Additional Information

Prototype ID

AB2C2D5_49_spg127

Decomposition

Dy2NpBe2Ir5

Computed at

2024-11-14 03:57:47.428393

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: agm034945104).

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 agm034945104
data_agm034945104
_cell_length_a     9.64737
_cell_length_b     9.64737
_cell_length_c     3.50391
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       326.11488
_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
  Dy1 Dy 0.67357 0.17357 0.00000 1.00000
  Dy2 Dy 0.32643 0.82643 0.00000 1.00000
  Dy3 Dy 0.17357 0.32643 0.00000 1.00000
  Dy4 Dy 0.82643 0.67357 0.00000 1.00000
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  Np2 Np 0.50000 0.50000 0.00000 1.00000
  Be1 Be 0.11956 0.61956 0.00000 1.00000
  Be2 Be 0.88044 0.38044 0.00000 1.00000
  Be3 Be 0.61956 0.88044 0.00000 1.00000
  Be4 Be 0.38044 0.11956 0.00000 1.00000
  Ir1 Ir 0.21727 0.07047 0.50000 1.00000
  Ir2 Ir 0.78273 0.92953 0.50000 1.00000
  Ir3 Ir 0.07047 0.78273 0.50000 1.00000
  Ir4 Ir 0.71727 0.42953 0.50000 1.00000
  Ir5 Ir 0.92953 0.21727 0.50000 1.00000
  Ir6 Ir 0.28273 0.57047 0.50000 1.00000
  Ir7 Ir 0.57047 0.71727 0.50000 1.00000
  Ir8 Ir 0.42953 0.28273 0.50000 1.00000
  Ir9 Ir 0.50000 0.00000 0.50000 1.00000
  Ir10 Ir 0.00000 0.50000 0.50000 1.00000
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