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NpCo3Ge5

Alexandria ALEX

Alex-ID: agm072370548 · Space group: P6/mmm (#191)

Basic Information

Formula
NpCo3Ge5
Alex-ID
agm072370548
Elements
3
Sites
9
Space group
P6/mmm (#191)
Crystal system
hexagonal
Volume
147.78
ų
Cell a
4.8852
Å
Cell b
4.8852
Å
Cell c
7.1499
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
NpCo3Ge5
Np
1.00 · 11.1%
Co
3.00 · 33.3%
Ge
5.00 · 55.6%

Energy & Stability

Energy above hull
0.2277
eV/atom
Formation energy
-0.0144
eV/atom
Corrected total energy
-57.5289
eV
Raw total energy
-57.5289
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0034
eV
DOS at Fermi level
15.4692
Total magnetisation
5.4844
μB

Additional Information

Prototype ID

AB3C5_1064_spg191

Decomposition

Np(Co2Ge3)2 Np3Co2Ge7 NpGe3

Computed at

2024-09-24 02:09:18.166904

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: agm072370548).

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 agm072370548
data_agm072370548
_cell_length_a     4.88523
_cell_length_b     4.88523
_cell_length_c     7.14992
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       147.77518
_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
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  Co1 Co 0.50000 0.50000 0.50000 1.00000
  Co2 Co 0.50000 0.00000 0.50000 1.00000
  Co3 Co 0.00000 0.50000 0.50000 1.00000
  Ge1 Ge 0.00000 0.00000 0.50000 1.00000
  Ge2 Ge 0.66667 0.33333 0.77987 1.00000
  Ge3 Ge 0.33333 0.66667 0.22013 1.00000
  Ge4 Ge 0.33333 0.66667 0.77987 1.00000
  Ge5 Ge 0.66667 0.33333 0.22013 1.00000
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