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Co4H7

Alexandria ALEX

Alex-ID: agm006465862 · Space group: Cmcm (#63)

Alexandria Database API

Basic Information

Formula
Co4H7
Alex-ID
agm006465862
Elements
2
Sites
22
Space group
Cmcm (#63)
Crystal system
orthorhombic
Volume
124.80
ų
Cell a
4.8616
Å
Cell b
4.8616
Å
Cell c
5.6047
Å
α angle
90.00
°
β angle
90.00
°
γ angle
109.59
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Co4H7
Co
8.00 · 36.4%
H
14.00 · 63.6%

Energy & Stability

Energy above hull
0.0596
eV/atom
Formation energy
0.0291
eV/atom
Corrected total energy
-101.7064
eV
Raw total energy
-101.7064
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0016
eV
DOS at Fermi level
20.4837
Total magnetisation
5.7299
μB

Additional Information

Prototype ID

A4B7_285_spg63

Decomposition

CoH H2

Computed at

2024-02-28 23:44:19.472498

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: agm006465862).

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 agm006465862
data_agm006465862
_cell_length_a     4.86161
_cell_length_b     4.86161
_cell_length_c     5.60466
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  109.59181
_cell_volume       124.79852
_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
  Co1 Co 0.50000 0.50000 0.00000 1.00000
  Co2 Co 0.50000 0.50000 0.50000 1.00000
  Co3 Co 0.50861 0.99805 0.75000 1.00000
  Co4 Co 0.49139 0.00195 0.25000 1.00000
  Co5 Co 0.99805 0.50861 0.25000 1.00000
  Co6 Co 0.00195 0.49139 0.75000 1.00000
  Co7 Co 0.00000 0.00000 0.00000 1.00000
  Co8 Co 0.00000 0.00000 0.50000 1.00000
  H1 H 0.63355 0.88372 0.01245 1.00000
  H2 H 0.36645 0.11628 0.51245 1.00000
  H3 H 0.88372 0.63355 0.98755 1.00000
  H4 H 0.11628 0.36645 0.48755 1.00000
  H5 H 0.11628 0.36645 0.01245 1.00000
  H6 H 0.88372 0.63355 0.51245 1.00000
  H7 H 0.36645 0.11628 0.98755 1.00000
  H8 H 0.63355 0.88372 0.48755 1.00000
  H9 H 0.36965 0.63035 0.75000 1.00000
  H10 H 0.63035 0.36965 0.25000 1.00000
  H11 H 0.62863 0.37137 0.75000 1.00000
  H12 H 0.37137 0.62863 0.25000 1.00000
  H13 H 0.88637 0.11363 0.75000 1.00000
  H14 H 0.11363 0.88637 0.25000 1.00000
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