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HEAS Data Platform · Materials Science Database

U2Ni7P4

Alexandria ALEX

Alex-ID: agm024802094 · Space group: Pmn2_1 (#31)

Basic Information

Formula
U2Ni7P4
Alex-ID
agm024802094
Elements
3
Sites
26
Space group
Pmn2_1 (#31)
Crystal system
orthorhombic
Volume
347.05
ų
Cell a
3.7093
Å
Cell b
9.1268
Å
Cell c
10.2512
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
U2Ni7P4
U
4.00 · 15.4%
Ni
14.00 · 53.8%
P
8.00 · 30.8%

Energy & Stability

Energy above hull
0.0183
eV/atom
Formation energy
-0.6877
eV/atom
Corrected total energy
-187.2869
eV
Raw total energy
-187.2869
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0009
eV
DOS at Fermi level
35.0947
Total magnetisation
6.6500
μB

Additional Information

Prototype ID

A2B4C7_9_spg31

Decomposition

UNi3P2 U(Ni2P)2

Computed at

2024-11-01 02:38:49.228305

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: agm024802094).

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 agm024802094
data_agm024802094
_cell_length_a     3.70931
_cell_length_b     9.12680
_cell_length_c     10.25120
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       347.04564
_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 0.00000 0.44162 0.51656 1.00000
  U2 U 0.50000 0.55838 0.01656 1.00000
  U3 U 0.00000 0.05764 0.73869 1.00000
  U4 U 0.50000 0.94236 0.23869 1.00000
  Ni1 Ni 0.00000 0.77857 0.40596 1.00000
  Ni2 Ni 0.50000 0.22143 0.90596 1.00000
  Ni3 Ni 0.00000 0.75106 0.64185 1.00000
  Ni4 Ni 0.50000 0.24894 0.14185 1.00000
  Ni5 Ni 0.00000 0.82168 0.00121 1.00000
  Ni6 Ni 0.50000 0.17832 0.50121 1.00000
  Ni7 Ni 0.00000 0.44545 0.21770 1.00000
  Ni8 Ni 0.50000 0.55455 0.71770 1.00000
  Ni9 Ni 0.00000 0.39218 0.81182 1.00000
  Ni10 Ni 0.50000 0.60782 0.31182 1.00000
  Ni11 Ni 0.00000 0.18999 0.30391 1.00000
  Ni12 Ni 0.50000 0.81001 0.80391 1.00000
  Ni13 Ni 0.00000 0.08401 0.05492 1.00000
  Ni14 Ni 0.50000 0.91599 0.55492 1.00000
  P1 P 0.00000 0.69753 0.19707 1.00000
  P2 P 0.50000 0.30247 0.69707 1.00000
  P3 P 0.00000 0.02542 0.45976 1.00000
  P4 P 0.50000 0.97458 0.95976 1.00000
  P5 P 0.00000 0.32257 0.02250 1.00000
  P6 P 0.50000 0.67743 0.52250 1.00000
  P7 P 0.00000 0.64965 0.83284 1.00000
  P8 P 0.50000 0.35035 0.33284 1.00000
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