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SiH18C2N8(OF3)2

Alexandria ALEX

Alex-ID: agm003245212 · Space group: P-1 (#2)

Basic Information

Formula
SiH18C2N8(OF3)2
Alex-ID
agm003245212
Elements
6
Sites
37
Space group
P-1 (#2)
Crystal system
triclinic
Volume
335.80
ų
Cell a
6.5543
Å
Cell b
6.7545
Å
Cell c
8.1417
Å
α angle
110.22
°
β angle
96.69
°
γ angle
89.20
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SiH18C2N8(OF3)2
C
2.00 · 5.4%
F
6.00 · 16.2%
H
18.00 · 48.6%
N
8.00 · 21.6%
O
2.00 · 5.4%
Si
1.00 · 2.7%

Energy & Stability

Energy above hull
0.0893
eV/atom
Formation energy
-1.1905
eV/atom
Corrected total energy
-208.2948
eV
Raw total energy
-206.8902
eV

Electronic Structure

Indirect band gap
5.0259
eV
Direct band gap
5.0628
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0001
μB

Additional Information

Prototype ID

AB2C2D6E8F18_0_spg2

Decomposition

H4NF HCNO SiH7N2F5 SiH12C2(NF)6 SiO2 N2

Computed at

2021-12-17 23:12:09.957177

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: agm003245212).

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 agm003245212
data_agm003245212
_cell_length_a     6.55428
_cell_length_b     6.75448
_cell_length_c     8.14167
_cell_angle_alpha  110.21714
_cell_angle_beta   96.68801
_cell_angle_gamma  89.19691
_cell_volume       335.79635
_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
  C1 C 0.52527 0.76004 0.51978 1.00000
  C2 C 0.47473 0.23996 0.48022 1.00000
  F1 F 0.96320 0.02810 0.21267 1.00000
  F2 F 0.03680 0.97190 0.78733 1.00000
  F3 F 0.86801 0.76086 0.92388 1.00000
  F4 F 0.13199 0.23914 0.07612 1.00000
  F5 F 0.22768 0.87591 0.02417 1.00000
  F6 F 0.77232 0.12409 0.97583 1.00000
  H1 H 0.54252 0.90447 0.78678 1.00000
  H2 H 0.45748 0.09553 0.21322 1.00000
  H3 H 0.29255 0.85686 0.67315 1.00000
  H4 H 0.70745 0.14314 0.32685 1.00000
  H5 H 0.83221 0.81631 0.61831 1.00000
  H6 H 0.16779 0.18369 0.38169 1.00000
  H7 H 0.77551 0.68462 0.38887 1.00000
  H8 H 0.22449 0.31538 0.61113 1.00000
  H9 H 0.46938 0.63027 0.25311 1.00000
  H10 H 0.53062 0.36973 0.74689 1.00000
  H11 H 0.12814 0.54129 0.29994 1.00000
  H12 H 0.87186 0.45871 0.70006 1.00000
  H13 H 0.12689 0.78582 0.29811 1.00000
  H14 H 0.87311 0.21418 0.70189 1.00000
  H15 H 0.24891 0.59324 0.92050 1.00000
  H16 H 0.75109 0.40676 0.07950 1.00000
  H17 H 0.22285 0.36839 0.93623 1.00000
  H18 H 0.77715 0.63161 0.06377 1.00000
  N1 N 0.44736 0.84096 0.67271 1.00000
  N2 N 0.55264 0.15904 0.32729 1.00000
  N3 N 0.72760 0.74517 0.51139 1.00000
  N4 N 0.27240 0.25483 0.48861 1.00000
  N5 N 0.40026 0.68790 0.36671 1.00000
  N6 N 0.59974 0.31210 0.63329 1.00000
  N7 N 0.18650 0.69128 0.36574 1.00000
  N8 N 0.81350 0.30872 0.63426 1.00000
  O1 O 0.26987 0.44174 0.86142 1.00000
  O2 O 0.73013 0.55826 0.13858 1.00000
  Si1 Si 0.00000 0.00000 0.00000 1.00000
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