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U4NbCo19As12

Alexandria ALEX

Alex-ID: agm021058905 · Space group: Pm (#6)

Basic Information

Formula
U4NbCo19As12
Alex-ID
agm021058905
Elements
4
Sites
36
Space group
Pm (#6)
Crystal system
monoclinic
Volume
500.62
ų
Cell a
3.8081
Å
Cell b
10.7688
Å
Cell c
12.2080
Å
α angle
90.27
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
U4NbCo19As12
U
4.00 · 11.1%
Nb
1.00 · 2.8%
Co
19.00 · 52.8%
As
12.00 · 33.3%

Energy & Stability

Energy above hull
0.0067
eV/atom
Formation energy
-0.3889
eV/atom
Corrected total energy
-260.3706
eV
Raw total energy
-260.3706
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0018
eV
DOS at Fermi level
45.0949
Total magnetisation
15.4060
μB

Additional Information

Prototype ID

AB4C12D19_0_spg6

Decomposition

UCo5As3 U5Nb3(Co4As3)4 Co CoAs

Computed at

2024-11-07 06:44:38.024374

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: agm021058905).

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 agm021058905
data_agm021058905
_cell_length_a     3.80808
_cell_length_b     10.76880
_cell_length_c     12.20797
_cell_angle_alpha  90.26921
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       500.62485
_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
  U1 U 0.50000 0.58252 0.30332 1.00000
  U2 U 0.50000 0.92315 0.79529 1.00000
  U3 U 0.00000 0.41916 0.70190 1.00000
  U4 U 0.00000 0.08439 0.20850 1.00000
  Nb1 Nb 0.50000 0.70309 0.01034 1.00000
  Co1 Co 0.50000 0.21372 0.82154 1.00000
  Co2 Co 0.50000 0.28604 0.32416 1.00000
  Co3 Co 0.00000 0.78876 0.17658 1.00000
  Co4 Co 0.00000 0.71119 0.66989 1.00000
  Co5 Co 0.50000 0.88820 0.30465 1.00000
  Co6 Co 0.50000 0.61181 0.79773 1.00000
  Co7 Co 0.00000 0.11218 0.69951 1.00000
  Co8 Co 0.00000 0.37838 0.19920 1.00000
  Co9 Co 0.50000 0.40643 0.51486 1.00000
  Co10 Co 0.50000 0.09369 0.01258 1.00000
  Co11 Co 0.00000 0.59147 0.47997 1.00000
  Co12 Co 0.00000 0.90887 0.98318 1.00000
  Co13 Co 0.50000 0.46481 0.06861 1.00000
  Co14 Co 0.50000 0.02674 0.57234 1.00000
  Co15 Co 0.00000 0.53074 0.93135 1.00000
  Co16 Co 0.00000 0.97419 0.43108 1.00000
  Co17 Co 0.50000 0.78658 0.50552 1.00000
  Co18 Co 0.00000 0.29640 0.99048 1.00000
  Co19 Co 0.00000 0.21406 0.49658 1.00000
  As1 As 0.50000 0.41413 0.88462 1.00000
  As2 As 0.50000 0.08919 0.39100 1.00000
  As3 As 0.00000 0.57932 0.12291 1.00000
  As4 As 0.00000 0.91135 0.61177 1.00000
  As5 As 0.50000 0.26653 0.13197 1.00000
  As6 As 0.50000 0.22834 0.63051 1.00000
  As7 As 0.00000 0.73078 0.85809 1.00000
  As8 As 0.00000 0.77464 0.36868 1.00000
  As9 As 0.50000 0.60046 0.60397 1.00000
  As10 As 0.50000 0.90793 0.11239 1.00000
  As11 As 0.00000 0.39444 0.39157 1.00000
  As12 As 0.00000 0.10633 0.89336 1.00000
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