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Zr9H2

Alexandria ALEX

Alex-ID: agm094856980 · Space group: Cm (#8)

Basic Information

Formula
Zr9H2
Alex-ID
agm094856980
Elements
2
Sites
33
Space group
Cm (#8)
Crystal system
monoclinic
Volume
647.21
ų
Cell a
5.5602
Å
Cell b
5.7482
Å
Cell c
24.2029
Å
α angle
84.57
°
β angle
83.10
°
γ angle
120.98
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Zr9H2
Zr
27.00 · 81.8%
H
6.00 · 18.2%

Energy & Stability

Energy above hull
0.0756
eV/atom
Formation energy
-0.1025
eV/atom
Corrected total energy
-253.6198
eV
Raw total energy
-253.6198
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0023
eV
DOS at Fermi level
29.9618
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B9_133_spg8

Decomposition

ZrH2 Zr

Computed at

2025-05-27 04:43:09

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: agm094856980).

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 agm094856980
data_agm094856980
_cell_length_a     5.56021
_cell_length_b     5.74821
_cell_length_c     24.20293
_cell_angle_alpha  84.57078
_cell_angle_beta   83.09659
_cell_angle_gamma  120.97548
_cell_volume       647.20754
_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
  Zr1 Zr 0.35531 0.44961 0.35576 1.00000
  Zr2 Zr 0.80914 0.53414 0.57997 1.00000
  Zr3 Zr 0.69539 0.13994 0.35038 1.00000
  Zr4 Zr 0.12232 0.19066 0.58051 1.00000
  Zr5 Zr 0.23812 0.60661 0.46838 1.00000
  Zr6 Zr 0.68815 0.11722 0.68896 1.00000
  Zr7 Zr 0.02176 0.78175 0.68917 1.00000
  Zr8 Zr 0.47556 0.86809 0.91326 1.00000
  Zr9 Zr 0.36174 0.47207 0.68377 1.00000
  Zr10 Zr 0.78889 0.52461 0.91384 1.00000
  Zr11 Zr 0.90470 0.93956 0.80175 1.00000
  Zr12 Zr 0.35491 0.45199 0.02224 1.00000
  Zr13 Zr 0.68836 0.11613 0.02247 1.00000
  Zr14 Zr 0.14282 0.20309 0.24654 1.00000
  Zr15 Zr 0.02852 0.80650 0.01714 1.00000
  Zr16 Zr 0.45592 0.85955 0.24710 1.00000
  Zr17 Zr 0.57168 0.27496 0.13500 1.00000
  Zr18 Zr 0.02173 0.78524 0.35554 1.00000
  Zr19 Zr 0.91464 0.95539 0.13102 1.00000
  Zr20 Zr 0.13836 0.18998 0.90782 1.00000
  Zr21 Zr 0.58126 0.28735 0.46434 1.00000
  Zr22 Zr 0.80546 0.52500 0.24111 1.00000
  Zr23 Zr 0.24765 0.61999 0.79770 1.00000
  Zr24 Zr 0.47194 0.85630 0.57442 1.00000
  Zr25 Zr 0.91659 0.94739 0.46826 1.00000
  Zr26 Zr 0.58299 0.28037 0.80161 1.00000
  Zr27 Zr 0.24992 0.61565 0.13488 1.00000
  H1 H 0.82882 0.88630 0.21730 1.00000
  H2 H 0.29328 0.98099 0.75173 1.00000
  H3 H 0.49530 0.21766 0.55063 1.00000
  H4 H 0.96017 0.31644 0.08500 1.00000
  H5 H 0.16174 0.55132 0.88396 1.00000
  H6 H 0.62684 0.64816 0.41843 1.00000
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