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Li2Np2H7

Alexandria ALEX

Alex-ID: agm006321985 · Space group: Cmmm (#65)

Basic Information

Formula
Li2Np2H7
Alex-ID
agm006321985
Elements
3
Sites
11
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
112.19
ų
Cell a
4.4660
Å
Cell b
4.4660
Å
Cell c
5.6496
Å
α angle
90.00
°
β angle
90.00
°
γ angle
95.36
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Li2Np2H7
Li
2.00 · 18.2%
Np
2.00 · 18.2%
H
7.00 · 63.6%

Energy & Stability

Energy above hull
0.2784
eV/atom
Formation energy
-0.1097
eV/atom
Corrected total energy
-53.5935
eV
Raw total energy
-53.5935
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0004
eV
DOS at Fermi level
8.9905
Total magnetisation
6.9831
μB

Additional Information

Prototype ID

A2B2C7_126_spg65

Decomposition

NpH3 Np LiH

Computed at

2024-08-14 06:27:41.153720

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: agm006321985).

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 agm006321985
data_agm006321985
_cell_length_a     4.46600
_cell_length_b     4.46600
_cell_length_c     5.64957
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  95.36467
_cell_volume       112.18773
_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
  Li1 Li 0.75918 0.75918 0.50000 1.00000
  Li2 Li 0.24082 0.24082 0.50000 1.00000
  Np1 Np 0.80232 0.19768 0.00000 1.00000
  Np2 Np 0.19768 0.80232 0.00000 1.00000
  H1 H 0.50000 0.00000 0.28360 1.00000
  H2 H 0.00000 0.50000 0.71640 1.00000
  H3 H 0.50000 0.00000 0.71640 1.00000
  H4 H 0.00000 0.50000 0.28360 1.00000
  H5 H 0.50000 0.50000 0.00000 1.00000
  H6 H 0.00000 0.00000 0.70396 1.00000
  H7 H 0.00000 0.00000 0.29604 1.00000
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