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Ca7PbN6

Alexandria ALEX

Alex-ID: agm005235968 · Space group: Ibam (#72)

Basic Information

Formula
Ca7PbN6
Alex-ID
agm005235968
Elements
3
Sites
28
Space group
Ibam (#72)
Crystal system
orthorhombic
Volume
494.18
ų
Cell a
9.3483
Å
Cell b
9.3483
Å
Cell c
9.3483
Å
α angle
139.83
°
β angle
99.54
°
γ angle
94.02
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca7PbN6
Ca
14.00 · 50.0%
Pb
2.00 · 7.1%
N
12.00 · 42.9%

Energy & Stability

Energy above hull
0.1231
eV/atom
Formation energy
-0.7342
eV/atom
Corrected total energy
-151.4322
eV
Raw total energy
-151.4322
eV

Electronic Structure

Indirect band gap
0.8819
eV
Direct band gap
0.9772
eV
DOS at Fermi level
-0.2062
Total magnetisation
-0.0002
μB

Additional Information

Prototype ID

AB6C7_41_spg72

Decomposition

Ca3N2 Ca2PbN CaN2

Computed at

2023-05-11 18:48:45.361504

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: agm005235968).

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 agm005235968
data_agm005235968
_cell_length_a     9.34827
_cell_length_b     9.34827
_cell_length_c     9.34827
_cell_angle_alpha  139.83215
_cell_angle_beta   99.53672
_cell_angle_gamma  94.02331
_cell_volume       494.18469
_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
  Ca1 Ca 0.94925 0.28905 0.23830 1.00000
  Ca2 Ca 0.05075 0.71095 0.76170 1.00000
  Ca3 Ca 0.44925 0.21095 0.66020 1.00000
  Ca4 Ca 0.55075 0.78905 0.33980 1.00000
  Ca5 Ca 0.15281 0.49529 0.90305 1.00000
  Ca6 Ca 0.59224 0.24976 0.09695 1.00000
  Ca7 Ca 0.90776 0.00471 0.65752 1.00000
  Ca8 Ca 0.34719 0.25024 0.34248 1.00000
  Ca9 Ca 0.84719 0.50471 0.09695 1.00000
  Ca10 Ca 0.40776 0.75024 0.90305 1.00000
  Ca11 Ca 0.09224 0.99529 0.34248 1.00000
  Ca12 Ca 0.65281 0.74976 0.65752 1.00000
  Ca13 Ca 0.25000 0.75000 0.50000 1.00000
  Ca14 Ca 0.75000 0.25000 0.50000 1.00000
  Pb1 Pb 0.25000 0.25000 0.00000 1.00000
  Pb2 Pb 0.75000 0.75000 0.00000 1.00000
  N1 N 0.05684 0.38811 0.09220 1.00000
  N2 N 0.29591 0.96464 0.90780 1.00000
  N3 N 0.20409 0.11189 0.66873 1.00000
  N4 N 0.44316 0.53536 0.33127 1.00000
  N5 N 0.94316 0.61189 0.90780 1.00000
  N6 N 0.70409 0.03536 0.09220 1.00000
  N7 N 0.79591 0.88811 0.33127 1.00000
  N8 N 0.55684 0.46464 0.66873 1.00000
  N9 N 0.35264 0.87137 0.22401 1.00000
  N10 N 0.64736 0.12863 0.77599 1.00000
  N11 N 0.85264 0.62863 0.48128 1.00000
  N12 N 0.14736 0.37137 0.51872 1.00000
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