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Na2TcH9

Alexandria ALEX

Alex-ID: agm078359017 · Space group: P-62m (#189)

Basic Information

Formula
Na2TcH9
Alex-ID
agm078359017
Elements
3
Sites
36
Space group
P-62m (#189)
Crystal system
hexagonal
Volume
318.71
ų
Cell a
8.5694
Å
Cell b
8.5694
Å
Cell c
5.0115
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2TcH9
Na
6.00 · 16.7%
Tc
3.00 · 8.3%
H
27.00 · 75.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.2815
eV/atom
Corrected total energy
-136.6205
eV
Raw total energy
-136.6205
eV

Electronic Structure

Indirect band gap
4.3529
eV
Direct band gap
4.3529
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C9_26_spg189

Decomposition

Na2TcH9

Computed at

2025-01-09 15:13:06

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: agm078359017).

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 agm078359017
data_agm078359017
_cell_length_a     8.56938
_cell_length_b     8.56938
_cell_length_c     5.01153
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       318.71347
_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
  Na1 Na 0.00000 0.39973 0.50000 1.00000
  Na2 Na 0.39973 0.00000 0.50000 1.00000
  Na3 Na 0.60027 0.60027 0.50000 1.00000
  Na4 Na 0.00000 0.73381 0.00000 1.00000
  Na5 Na 0.73381 0.00000 0.00000 1.00000
  Na6 Na 0.26619 0.26619 0.00000 1.00000
  Tc1 Tc 0.33333 0.66667 0.00000 1.00000
  Tc2 Tc 0.66667 0.33333 0.00000 1.00000
  Tc3 Tc 0.00000 0.00000 0.50000 1.00000
  H1 H 0.20256 0.67816 0.75654 1.00000
  H2 H 0.47560 0.79744 0.24346 1.00000
  H3 H 0.32184 0.52440 0.75654 1.00000
  H4 H 0.20256 0.67816 0.24346 1.00000
  H5 H 0.47560 0.79744 0.75654 1.00000
  H6 H 0.32184 0.52440 0.24346 1.00000
  H7 H 0.67816 0.20256 0.75654 1.00000
  H8 H 0.79744 0.47560 0.24346 1.00000
  H9 H 0.52440 0.32184 0.75654 1.00000
  H10 H 0.67816 0.20256 0.24346 1.00000
  H11 H 0.79744 0.47560 0.75654 1.00000
  H12 H 0.52440 0.32184 0.24346 1.00000
  H13 H 0.00000 0.14065 0.73572 1.00000
  H14 H 0.14065 0.00000 0.26428 1.00000
  H15 H 0.85935 0.85935 0.73572 1.00000
  H16 H 0.00000 0.14065 0.26428 1.00000
  H17 H 0.14065 0.00000 0.73572 1.00000
  H18 H 0.85935 0.85935 0.26428 1.00000
  H19 H 0.13293 0.48102 0.00000 1.00000
  H20 H 0.34809 0.86707 0.00000 1.00000
  H21 H 0.51898 0.65191 0.00000 1.00000
  H22 H 0.48102 0.13293 0.00000 1.00000
  H23 H 0.86707 0.34809 0.00000 1.00000
  H24 H 0.65191 0.51898 0.00000 1.00000
  H25 H 0.00000 0.80592 0.50000 1.00000
  H26 H 0.80592 0.00000 0.50000 1.00000
  H27 H 0.19408 0.19408 0.50000 1.00000
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