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SrPaGeN4

Alexandria ALEX

Alex-ID: agm005048845 · Space group: P2_1/m (#11)

Alexandria Database API

Basic Information

Formula
SrPaGeN4
Alex-ID
agm005048845
Elements
4
Sites
14
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
221.38
ų
Cell a
5.7272
Å
Cell b
5.6109
Å
Cell c
7.2222
Å
α angle
90.00
°
β angle
107.47
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrPaGeN4
Sr
2.00 · 14.3%
Pa
2.00 · 14.3%
Ge
2.00 · 14.3%
N
8.00 · 57.1%

Energy & Stability

Energy above hull
0.3290
eV/atom
Formation energy
-0.8520
eV/atom
Corrected total energy
-107.1591
eV
Raw total energy
-107.1591
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.6755
Total magnetisation
-0.0001
μB

Additional Information

Prototype ID

ABCD4_43_spg11

Decomposition

Sr2Ge5N8 SrGeN2 SrN6 Pa7N12

Computed at

2022-07-15 17:16:02.482894

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: agm005048845).

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 agm005048845
data_agm005048845
_cell_length_a     5.72720
_cell_length_b     5.61089
_cell_length_c     7.22225
_cell_angle_alpha  90.00000
_cell_angle_beta   107.47154
_cell_angle_gamma  90.00000
_cell_volume       221.37779
_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
  Sr1 Sr 0.69938 0.75000 0.92659 1.00000
  Sr2 Sr 0.30062 0.25000 0.07341 1.00000
  Pa1 Pa 0.78019 0.75000 0.44837 1.00000
  Pa2 Pa 0.21981 0.25000 0.55163 1.00000
  Ge1 Ge 0.24567 0.75000 0.31945 1.00000
  Ge2 Ge 0.75433 0.25000 0.68055 1.00000
  N1 N 0.97756 0.49792 0.69648 1.00000
  N2 N 0.02244 0.99792 0.30352 1.00000
  N3 N 0.02244 0.50208 0.30352 1.00000
  N4 N 0.97756 0.00208 0.69648 1.00000
  N5 N 0.45615 0.75000 0.16931 1.00000
  N6 N 0.54385 0.25000 0.83069 1.00000
  N7 N 0.46671 0.75000 0.57300 1.00000
  N8 N 0.53329 0.25000 0.42700 1.00000
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