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Cs2NiO2

Alexandria ALEX

Alex-ID: agm002228232 · Space group: Immm (#71)

Basic Information

Formula
Cs2NiO2
Alex-ID
agm002228232
Elements
3
Sites
5
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
98.28
ų
Cell a
3.1811
Å
Cell b
6.0244
Å
Cell c
6.0244
Å
α angle
63.59
°
β angle
74.68
°
γ angle
74.68
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2NiO2
Cs
2.00 · 40.0%
Ni
1.00 · 20.0%
O
2.00 · 40.0%

Energy & Stability

Energy above hull
0.3193
eV/atom
Formation energy
-0.8508
eV/atom
Corrected total energy
-21.6673
eV
Raw total energy
-18.0987
eV

Electronic Structure

Indirect band gap
1.9438
eV
Direct band gap
2.2790
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_221_spg71

Decomposition

Cs2NiO2

Computed at

2018-06-26 09:57:37

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: agm002228232).

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 agm002228232
data_agm002228232
_cell_length_a     3.18106
_cell_length_b     6.02442
_cell_length_c     6.02442
_cell_angle_alpha  63.58953
_cell_angle_beta   74.68251
_cell_angle_gamma  74.68251
_cell_volume       98.28139
_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
  Cs1 Cs 0.17717 0.32280 0.32280 1.00000
  Cs2 Cs 0.82283 0.67720 0.67720 1.00000
  Ni1 Ni 0.00000 0.00000 0.00000 1.00000
  O1 O 0.50000 0.80458 0.19542 1.00000
  O2 O 0.50000 0.19542 0.80458 1.00000
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