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SrCa2(NiH4)3

Alexandria ALEX

Alex-ID: agm006463264 · Space group: R-3m (#166)

Basic Information

Formula
SrCa2(NiH4)3
Alex-ID
agm006463264
Elements
4
Sites
18
Space group
R-3m (#166)
Crystal system
trigonal
Volume
168.59
ų
Cell a
6.1218
Å
Cell b
6.1218
Å
Cell c
6.1218
Å
α angle
61.75
°
β angle
61.75
°
γ angle
61.75
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrCa2(NiH4)3
Sr
1.00 · 5.6%
Ca
2.00 · 11.1%
Ni
3.00 · 16.7%
H
12.00 · 66.7%

Energy & Stability

Energy above hull
0.1618
eV/atom
Formation energy
-0.3105
eV/atom
Corrected total energy
-67.5115
eV
Raw total energy
-67.5115
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0158
eV
DOS at Fermi level
7.2428
Total magnetisation
-0.0030
μB

Additional Information

Prototype ID

AB2C3D12_98_spg166

Decomposition

SrNiH5 CaH10 Ca4(NiH4)3 Sr(NiH3)2

Computed at

2024-02-26 10:34:41

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: agm006463264).

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 agm006463264
data_agm006463264
_cell_length_a     6.12184
_cell_length_b     6.12184
_cell_length_c     6.12184
_cell_angle_alpha  61.74891
_cell_angle_beta   61.74891
_cell_angle_gamma  61.74891
_cell_volume       168.58771
_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
  Sr1 Sr 0.00000 0.00000 0.00000 1.00000
  Ca1 Ca 0.38753 0.38753 0.38753 1.00000
  Ca2 Ca 0.61247 0.61247 0.61247 1.00000
  Ni1 Ni 0.50000 0.00000 0.00000 1.00000
  Ni2 Ni 0.00000 0.00000 0.50000 1.00000
  Ni3 Ni 0.00000 0.50000 0.00000 1.00000
  H1 H 0.72069 0.11238 0.72069 1.00000
  H2 H 0.13629 0.54438 0.13629 1.00000
  H3 H 0.54438 0.13629 0.13629 1.00000
  H4 H 0.11238 0.72069 0.72069 1.00000
  H5 H 0.13629 0.13629 0.54438 1.00000
  H6 H 0.72069 0.72069 0.11238 1.00000
  H7 H 0.27931 0.88762 0.27931 1.00000
  H8 H 0.86371 0.45562 0.86371 1.00000
  H9 H 0.45562 0.86371 0.86371 1.00000
  H10 H 0.88762 0.27931 0.27931 1.00000
  H11 H 0.86371 0.86371 0.45562 1.00000
  H12 H 0.27931 0.27931 0.88762 1.00000
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