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H2C

Alexandria ALEX

Alex-ID: agm070972711 · Space group: P-1 (#2)

Basic Information

Formula
H2C
Alex-ID
agm070972711
Elements
2
Sites
12
Space group
P-1 (#2)
Crystal system
triclinic
Volume
105.83
ų
Cell a
2.5621
Å
Cell b
4.4297
Å
Cell c
9.7095
Å
α angle
88.97
°
β angle
92.79
°
γ angle
105.94
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
H2C
H
8.00 · 66.7%
C
4.00 · 33.3%

Energy & Stability

Energy above hull
0.0388
eV/atom
Formation energy
-0.2742
eV/atom
Corrected total energy
-66.1044
eV
Raw total energy
-66.1043
eV

Electronic Structure

Indirect band gap
5.9741
eV
Direct band gap
5.9741
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_8425_spg2

Decomposition

H4C C

Computed at

2024-08-13 16:16:49.250065

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: agm070972711).

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 agm070972711
data_agm070972711
_cell_length_a     2.56215
_cell_length_b     4.42966
_cell_length_c     9.70947
_cell_angle_alpha  88.96719
_cell_angle_beta   92.78841
_cell_angle_gamma  105.94363
_cell_volume       105.83129
_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
  H1 H 0.50222 0.72538 0.61552 1.00000
  H2 H 0.55119 0.80034 0.10718 1.00000
  H3 H 0.80266 0.35998 0.89446 1.00000
  H4 H 0.14380 0.11421 0.38257 1.00000
  H5 H 0.35683 0.38732 0.11787 1.00000
  H6 H 0.69664 0.13857 0.60607 1.00000
  H7 H 0.99683 0.77310 0.88394 1.00000
  H8 H 0.94955 0.70111 0.39221 1.00000
  C1 C 0.43734 0.58547 0.04393 1.00000
  C2 C 0.58324 0.92455 0.54218 1.00000
  C3 C 0.06289 0.91512 0.45603 1.00000
  C4 C 0.91641 0.57490 0.95778 1.00000
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