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CsHC2

Alexandria ALEX

Alex-ID: agm005251941 · Space group: R3c (#161)

Basic Information

Formula
CsHC2
Alex-ID
agm005251941
Elements
3
Sites
24
Space group
R3c (#161)
Crystal system
trigonal
Volume
597.25
ų
Cell a
9.1570
Å
Cell b
9.1570
Å
Cell c
9.1570
Å
α angle
109.19
°
β angle
109.19
°
γ angle
109.19
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CsHC2
Cs
6.00 · 25.0%
H
6.00 · 25.0%
C
12.00 · 50.0%

Energy & Stability

Energy above hull
0.4282
eV/atom
Formation energy
0.2806
eV/atom
Corrected total energy
-128.5284
eV
Raw total energy
-128.5284
eV

Electronic Structure

Indirect band gap
4.5995
eV
Direct band gap
4.6706
eV
DOS at Fermi level
0.0000
Total magnetisation
0.3313
μB

Additional Information

Prototype ID

ABC2_764_spg161

Decomposition

H4C CsH CsC8

Computed at

2023-05-09 13:52:50.167369

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: agm005251941).

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 agm005251941
data_agm005251941
_cell_length_a     9.15704
_cell_length_b     9.15704
_cell_length_c     9.15704
_cell_angle_alpha  109.18542
_cell_angle_beta   109.18542
_cell_angle_gamma  109.18542
_cell_volume       597.24885
_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 0.73702 0.38293 0.25982 1.00000
  Cs2 Cs 0.25982 0.73702 0.38293 1.00000
  Cs3 Cs 0.38293 0.25982 0.73702 1.00000
  Cs4 Cs 0.23702 0.75982 0.88293 1.00000
  Cs5 Cs 0.88293 0.23702 0.75982 1.00000
  Cs6 Cs 0.75982 0.88293 0.23702 1.00000
  H1 H 0.64239 0.79308 0.81289 1.00000
  H2 H 0.81289 0.64239 0.79308 1.00000
  H3 H 0.79308 0.81289 0.64239 1.00000
  H4 H 0.14239 0.31289 0.29308 1.00000
  H5 H 0.29308 0.14239 0.31289 1.00000
  H6 H 0.31289 0.29308 0.14239 1.00000
  C1 C 0.33126 0.40032 0.11283 1.00000
  C2 C 0.40032 0.11283 0.33126 1.00000
  C3 C 0.11283 0.33126 0.40032 1.00000
  C4 C 0.90032 0.83126 0.61283 1.00000
  C5 C 0.83126 0.61283 0.90032 1.00000
  C6 C 0.61283 0.90032 0.83126 1.00000
  C7 C 0.35507 0.52290 0.07650 1.00000
  C8 C 0.52290 0.07650 0.35507 1.00000
  C9 C 0.07650 0.35507 0.52290 1.00000
  C10 C 0.02290 0.85507 0.57650 1.00000
  C11 C 0.85507 0.57650 0.02290 1.00000
  C12 C 0.57650 0.02290 0.85507 1.00000
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