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LaZn2H7

Alexandria ALEX

Alex-ID: agm006479871 · Space group: P4_12_12 (#92)

Basic Information

Formula
LaZn2H7
Alex-ID
agm006479871
Elements
3
Sites
40
Space group
P4_12_12 (#92)
Crystal system
tetragonal
Volume
396.79
ų
Cell a
5.6102
Å
Cell b
5.6102
Å
Cell c
12.6070
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaZn2H7
H
28.00 · 70.0%
Zn
8.00 · 20.0%
La
4.00 · 10.0%

Energy & Stability

Energy above hull
0.0697
eV/atom
Formation energy
-0.2305
eV/atom
Corrected total energy
-129.8670
eV
Raw total energy
-129.8670
eV

Electronic Structure

Indirect band gap
1.6517
eV
Direct band gap
1.6517
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C7_87_spg92

Decomposition

ZnH2 LaH3

Computed at

2023-12-28 23:06:31

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: agm006479871).

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 agm006479871
data_agm006479871
_cell_length_a     5.61019
_cell_length_b     5.61019
_cell_length_c     12.60696
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       396.79462
_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 0.54837 0.52506 0.61203 1.00000
  H2 H 0.45163 0.47494 0.11203 1.00000
  H3 H 0.02506 0.95163 0.36203 1.00000
  H4 H 0.97494 0.04837 0.86203 1.00000
  H5 H 0.47494 0.45163 0.88797 1.00000
  H6 H 0.52506 0.54837 0.38797 1.00000
  H7 H 0.95163 0.02506 0.63797 1.00000
  H8 H 0.04837 0.97494 0.13797 1.00000
  H9 H 0.54854 0.02101 0.61942 1.00000
  H10 H 0.45146 0.97899 0.11942 1.00000
  H11 H 0.52101 0.95146 0.36942 1.00000
  H12 H 0.47899 0.04854 0.86942 1.00000
  H13 H 0.97899 0.45146 0.88058 1.00000
  H14 H 0.02101 0.54854 0.38058 1.00000
  H15 H 0.95146 0.52101 0.63058 1.00000
  H16 H 0.04854 0.47899 0.13058 1.00000
  H17 H 0.77753 0.21345 0.46538 1.00000
  H18 H 0.22247 0.78655 0.96538 1.00000
  H19 H 0.71345 0.72247 0.21538 1.00000
  H20 H 0.28655 0.27753 0.71538 1.00000
  H21 H 0.78655 0.22247 0.03462 1.00000
  H22 H 0.21345 0.77753 0.53462 1.00000
  H23 H 0.72247 0.71345 0.78462 1.00000
  H24 H 0.27753 0.28655 0.28462 1.00000
  H25 H 0.24518 0.75482 0.75000 1.00000
  H26 H 0.75482 0.24518 0.25000 1.00000
  H27 H 0.25482 0.25482 0.50000 1.00000
  H28 H 0.74518 0.74518 0.00000 1.00000
  Zn1 Zn 0.56520 0.25246 0.35551 1.00000
  Zn2 Zn 0.43480 0.74754 0.85551 1.00000
  Zn3 Zn 0.75246 0.93480 0.10551 1.00000
  Zn4 Zn 0.24754 0.06520 0.60551 1.00000
  Zn5 Zn 0.74754 0.43480 0.14449 1.00000
  Zn6 Zn 0.25246 0.56520 0.64449 1.00000
  Zn7 Zn 0.93480 0.75246 0.89449 1.00000
  Zn8 Zn 0.06520 0.24754 0.39449 1.00000
  La1 La 0.71494 0.28506 0.75000 1.00000
  La2 La 0.28506 0.71494 0.25000 1.00000
  La3 La 0.78506 0.78506 0.50000 1.00000
  La4 La 0.21494 0.21494 0.00000 1.00000
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