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Ta2(CuH3)3

Alexandria ALEX

Alex-ID: agm006192525 · Space group: Cm (#8)

Basic Information

Formula
Ta2(CuH3)3
Alex-ID
agm006192525
Elements
3
Sites
14
Space group
Cm (#8)
Crystal system
monoclinic
Volume
108.13
ų
Cell a
5.5736
Å
Cell b
5.1114
Å
Cell c
5.5708
Å
α angle
89.02
°
β angle
57.14
°
γ angle
118.80
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta2(CuH3)3
Ta
2.00 · 14.3%
Cu
3.00 · 21.4%
H
9.00 · 64.3%

Energy & Stability

Energy above hull
0.0461
eV/atom
Formation energy
-0.0505
eV/atom
Corrected total energy
-66.0492
eV
Raw total energy
-66.0492
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0902
eV
DOS at Fermi level
1.4529
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C9_1136_spg8

Decomposition

CuH4 TaH2 Cu

Computed at

2024-02-06 16:32:03

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: agm006192525).

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 agm006192525
data_agm006192525
_cell_length_a     5.57358
_cell_length_b     5.11136
_cell_length_c     5.57081
_cell_angle_alpha  89.02297
_cell_angle_beta   57.13646
_cell_angle_gamma  118.80252
_cell_volume       108.13007
_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
  Ta1 Ta 0.40523 0.69725 0.70789 1.00000
  Ta2 Ta 0.67325 0.30443 0.36899 1.00000
  Cu1 Cu 0.27882 0.47121 0.28005 1.00000
  Cu2 Cu 0.08199 0.02091 0.06015 1.00000
  Cu3 Cu 0.75222 0.47295 0.80705 1.00000
  H1 H 0.81555 0.69881 0.46726 1.00000
  H2 H 0.59744 0.90774 0.29365 1.00000
  H3 H 0.16602 0.69833 0.11695 1.00000
  H4 H 0.20104 0.90712 0.68967 1.00000
  H5 H 0.76403 0.15609 0.60852 1.00000
  H6 H 0.41450 0.20303 0.21128 1.00000
  H7 H 0.29219 0.35029 0.57021 1.00000
  H8 H 0.92044 0.35084 0.94170 1.00000
  H9 H 0.63726 0.76101 0.87663 1.00000
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