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HEAS Data Platform · Materials Science Database

Er8Ni17As14

Alexandria ALEX

Alex-ID: agm017170136 · Space group: I4cm (#108)

Alexandria Database API

Basic Information

Formula
Er8Ni17As14
Alex-ID
agm017170136
Elements
3
Sites
78
Space group
I4cm (#108)
Crystal system
tetragonal
Volume
1,224.64
ų
Cell a
12.4633
Å
Cell b
12.4633
Å
Cell c
12.4633
Å
α angle
125.96
°
β angle
125.96
°
γ angle
79.95
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Er8Ni17As14
Er
16.00 · 20.5%
Ni
34.00 · 43.6%
As
28.00 · 35.9%

Energy & Stability

Energy above hull
0.0041
eV/atom
Formation energy
-0.8050
eV/atom
Corrected total energy
-462.6367
eV
Raw total energy
-462.6367
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
38.2205
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A8B14C17_0_spg108

Decomposition

Er7Ni17As12 Ni11As8 ErAs

Computed at

2024-08-08 19:16:16.192952

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: agm017170136).

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 agm017170136
data_agm017170136
_cell_length_a     12.46335
_cell_length_b     12.46335
_cell_length_c     12.46335
_cell_angle_alpha  125.96466
_cell_angle_beta   125.96466
_cell_angle_gamma  79.94623
_cell_volume       1224.63914
_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
  Er1 Er 0.56023 0.58134 0.50000 1.00000
  Er2 Er 0.08134 0.06023 0.50000 1.00000
  Er3 Er 0.06023 0.56023 0.97889 1.00000
  Er4 Er 0.58134 0.08134 0.02111 1.00000
  Er5 Er 0.82763 0.82763 0.00000 1.00000
  Er6 Er 0.32763 0.32763 0.00000 1.00000
  Er7 Er 0.82086 0.32086 0.50000 1.00000
  Er8 Er 0.32086 0.82086 0.50000 1.00000
  Er9 Er 0.82290 0.56881 0.24258 1.00000
  Er10 Er 0.32622 0.58031 0.75742 1.00000
  Er11 Er 0.58031 0.82290 0.25409 1.00000
  Er12 Er 0.82622 0.06881 0.74591 1.00000
  Er13 Er 0.56881 0.32622 0.74591 1.00000
  Er14 Er 0.32290 0.08031 0.25409 1.00000
  Er15 Er 0.06881 0.32290 0.24258 1.00000
  Er16 Er 0.08031 0.82622 0.75742 1.00000
  Ni1 Ni 0.14474 0.85648 0.22692 1.00000
  Ni2 Ni 0.62956 0.91782 0.77308 1.00000
  Ni3 Ni 0.91782 0.14474 0.28826 1.00000
  Ni4 Ni 0.12956 0.35648 0.71174 1.00000
  Ni5 Ni 0.85648 0.62956 0.71174 1.00000
  Ni6 Ni 0.64474 0.41782 0.28826 1.00000
  Ni7 Ni 0.35648 0.64474 0.22692 1.00000
  Ni8 Ni 0.41782 0.12956 0.77308 1.00000
  Ni9 Ni 0.32041 0.57877 0.50000 1.00000
  Ni10 Ni 0.07877 0.82041 0.50000 1.00000
  Ni11 Ni 0.82041 0.32041 0.74164 1.00000
  Ni12 Ni 0.57877 0.07877 0.25836 1.00000
  Ni13 Ni 0.57479 0.83069 0.50000 1.00000
  Ni14 Ni 0.33069 0.07479 0.50000 1.00000
  Ni15 Ni 0.07479 0.57479 0.74410 1.00000
  Ni16 Ni 0.83069 0.33069 0.25590 1.00000
  Ni17 Ni 0.24380 0.27911 0.50000 1.00000
  Ni18 Ni 0.77911 0.74380 0.50000 1.00000
  Ni19 Ni 0.74380 0.24380 0.96469 1.00000
  Ni20 Ni 0.27911 0.77911 0.03531 1.00000
  Ni21 Ni 0.81882 0.57208 0.99238 1.00000
  Ni22 Ni 0.57970 0.82644 0.00762 1.00000
  Ni23 Ni 0.82644 0.81882 0.24673 1.00000
  Ni24 Ni 0.07970 0.07208 0.75327 1.00000
  Ni25 Ni 0.57208 0.57970 0.75327 1.00000
  Ni26 Ni 0.31882 0.32644 0.24673 1.00000
  Ni27 Ni 0.07208 0.31882 0.99238 1.00000
  Ni28 Ni 0.32644 0.07970 0.00762 1.00000
  Ni29 Ni 0.82099 0.06671 0.50000 1.00000
  Ni30 Ni 0.56671 0.32099 0.50000 1.00000
  Ni31 Ni 0.32099 0.82099 0.75429 1.00000
  Ni32 Ni 0.06671 0.56671 0.24571 1.00000
  Ni33 Ni 0.99881 0.99881 0.00000 1.00000
  Ni34 Ni 0.49881 0.49881 0.00000 1.00000
  As1 As 0.75941 0.51557 0.74207 1.00000
  As2 As 0.77349 0.01733 0.25793 1.00000
  As3 As 0.01733 0.75941 0.24384 1.00000
  As4 As 0.27349 0.01557 0.75616 1.00000
  As5 As 0.51557 0.77349 0.75616 1.00000
  As6 As 0.25941 0.51733 0.24384 1.00000
  As7 As 0.01557 0.25941 0.74207 1.00000
  As8 As 0.51733 0.27349 0.25793 1.00000
  As9 As 0.06364 0.79150 0.96426 1.00000
  As10 As 0.82724 0.09937 0.03574 1.00000
  As11 As 0.09937 0.06364 0.27214 1.00000
  As12 As 0.32724 0.29150 0.72786 1.00000
  As13 As 0.79150 0.82724 0.72786 1.00000
  As14 As 0.56364 0.59937 0.27214 1.00000
  As15 As 0.29150 0.56364 0.96426 1.00000
  As16 As 0.59937 0.32724 0.03574 1.00000
  As17 As 0.62578 0.62578 0.00000 1.00000
  As18 As 0.12578 0.12578 0.00000 1.00000
  As19 As 0.05449 0.37622 0.50000 1.00000
  As20 As 0.87622 0.55449 0.50000 1.00000
  As21 As 0.55449 0.05449 0.67827 1.00000
  As22 As 0.37622 0.87622 0.32173 1.00000
  As23 As 0.62679 0.12679 0.50000 1.00000
  As24 As 0.12679 0.62679 0.50000 1.00000
  As25 As 0.37720 0.38657 0.50000 1.00000
  As26 As 0.88657 0.87720 0.50000 1.00000
  As27 As 0.87720 0.37720 0.99063 1.00000
  As28 As 0.38657 0.88657 0.00937 1.00000
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