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NbH2

Alexandria ALEX

Alex-ID: agm089782452 · Space group: Pm (#6)

Basic Information

Formula
NbH2
Alex-ID
agm089782452
Elements
2
Sites
24
Space group
Pm (#6)
Crystal system
monoclinic
Volume
186.43
ų
Cell a
3.1688
Å
Cell b
5.6363
Å
Cell c
10.4384
Å
α angle
90.11
°
β angle
89.99
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NbH2
Nb
8.00 · 33.3%
H
16.00 · 66.7%

Energy & Stability

Energy above hull
0.1049
eV/atom
Formation energy
-0.2274
eV/atom
Corrected total energy
-137.8509
eV
Raw total energy
-137.8509
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0325
eV
DOS at Fermi level
7.1904
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2_9660_spg6

Decomposition

NbH2

Computed at

2025-05-26 20:09:17

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: agm089782452).

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 agm089782452
data_agm089782452
_cell_length_a     3.16875
_cell_length_b     5.63629
_cell_length_c     10.43840
_cell_angle_alpha  90.10672
_cell_angle_beta   89.98856
_cell_angle_gamma  89.99978
_cell_volume       186.42967
_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
  Nb1 Nb 0.79182 0.05268 0.10761 1.00000
  Nb2 Nb 0.29158 0.18799 0.61735 1.00000
  Nb3 Nb 0.29182 0.86923 0.37004 1.00000
  Nb4 Nb 0.29182 0.87331 0.85305 1.00000
  Nb5 Nb 0.79154 0.37593 0.85715 1.00000
  Nb6 Nb 0.79162 0.38347 0.36101 1.00000
  Nb7 Nb 0.79142 0.68296 0.61074 1.00000
  Nb8 Nb 0.29175 0.54429 0.11402 1.00000
  H1 H 0.29183 0.88628 0.19095 1.00000
  H2 H 0.79180 0.05119 0.30630 1.00000
  H3 H 0.79145 0.99078 0.52774 1.00000
  H4 H 0.79174 0.04547 0.92203 1.00000
  H5 H 0.79166 0.37501 0.17855 1.00000
  H6 H 0.79192 0.70056 0.30235 1.00000
  H7 H 0.29173 0.59535 0.48333 1.00000
  H8 H 0.29190 0.23149 0.04680 1.00000
  H9 H 0.79095 0.10739 0.73631 1.00000
  H10 H 0.29121 0.85661 0.66922 1.00000
  H11 H 0.29155 0.20750 0.42466 1.00000
  H12 H 0.29187 0.87295 0.03380 1.00000
  H13 H 0.29144 0.54704 0.92451 1.00000
  H14 H 0.29213 0.49176 0.72064 1.00000
  H15 H 0.79159 0.35898 0.54968 1.00000
  H16 H 0.79177 0.71183 0.09212 1.00000
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