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Ti2H

Alexandria ALEX

Alex-ID: agm090958376 · Space group: Cccm (#66)

Basic Information

Formula
Ti2H
Alex-ID
agm090958376
Elements
2
Sites
24
Space group
Cccm (#66)
Crystal system
orthorhombic
Volume
295.21
ų
Cell a
4.5777
Å
Cell b
7.9115
Å
Cell c
8.1514
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ti2H
Ti
16.00 · 66.7%
H
8.00 · 33.3%

Energy & Stability

Energy above hull
0.0770
eV/atom
Formation energy
-0.2150
eV/atom
Corrected total energy
-157.3977
eV
Raw total energy
-157.3977
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0047
eV
DOS at Fermi level
18.3885
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

AB2_9668_spg66

Decomposition

TiH2 Ti

Computed at

2025-05-28 06:38:34

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: agm090958376).

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 agm090958376
data_agm090958376
_cell_length_a     4.57766
_cell_length_b     7.91146
_cell_length_c     8.15144
_cell_angle_alpha  89.99964
_cell_angle_beta   89.99661
_cell_angle_gamma  90.00229
_cell_volume       295.21266
_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
  Ti1 Ti 0.75002 0.16554 0.10033 1.00000
  Ti2 Ti 0.74997 0.83445 0.89968 1.00000
  Ti3 Ti 0.75006 0.10391 0.68266 1.00000
  Ti4 Ti 0.74999 0.89612 0.31736 1.00000
  Ti5 Ti 0.24999 0.83444 0.10032 1.00000
  Ti6 Ti 0.25002 0.16554 0.89967 1.00000
  Ti7 Ti 0.25005 0.89612 0.68266 1.00000
  Ti8 Ti 0.24999 0.10390 0.31735 1.00000
  Ti9 Ti 0.75002 0.66556 0.60032 1.00000
  Ti10 Ti 0.74992 0.33447 0.39968 1.00000
  Ti11 Ti 0.75003 0.60390 0.18267 1.00000
  Ti12 Ti 0.74999 0.39614 0.81736 1.00000
  Ti13 Ti 0.25003 0.33448 0.60032 1.00000
  Ti14 Ti 0.24995 0.66553 0.39968 1.00000
  Ti15 Ti 0.24997 0.39613 0.18263 1.00000
  Ti16 Ti 0.25004 0.60390 0.81733 1.00000
  H1 H 0.00001 0.33195 0.99997 1.00000
  H2 H 0.99996 0.66800 0.99996 1.00000
  H3 H 0.99997 0.16814 0.49999 1.00000
  H4 H 0.00004 0.83201 0.50001 1.00000
  H5 H 0.49997 0.83191 0.49999 1.00000
  H6 H 0.49997 0.16798 0.50004 1.00000
  H7 H 0.50003 0.33193 0.00001 1.00000
  H8 H 0.49999 0.66795 0.00002 1.00000
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