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Ca2PrYHg4

Alexandria ALEX

Alex-ID: agm044502800 · Space group: P4/mmm (#123)

Basic Information

Formula
Ca2PrYHg4
Alex-ID
agm044502800
Elements
4
Sites
16
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
438.17
ų
Cell a
7.5923
Å
Cell b
7.5923
Å
Cell c
7.6014
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2PrYHg4
Ca
4.00 · 25.0%
Pr
2.00 · 12.5%
Y
2.00 · 12.5%
Hg
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0179
eV/atom
Formation energy
-0.4988
eV/atom
Corrected total energy
-41.3710
eV
Raw total energy
-41.3710
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
12.4241
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_471_spg47

Decomposition

CaYHg2 CaPrHg2

Computed at

2024-11-01 14:43:56.904681

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: agm044502800).

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 agm044502800
data_agm044502800
_cell_length_a     7.59234
_cell_length_b     7.59234
_cell_length_c     7.60141
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       438.17315
_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 0.00000 0.50000 0.00000 1.00000
  Ca2 Ca 0.50000 0.00000 0.00000 1.00000
  Ca3 Ca 0.50000 0.50000 0.00000 1.00000
  Ca4 Ca 0.50000 0.50000 0.50000 1.00000
  Pr1 Pr 0.50000 0.00000 0.50000 1.00000
  Pr2 Pr 0.00000 0.50000 0.50000 1.00000
  Y1 Y 0.00000 0.00000 0.50000 1.00000
  Y2 Y 0.00000 0.00000 0.00000 1.00000
  Hg1 Hg 0.75787 0.75787 0.75123 1.00000
  Hg2 Hg 0.75787 0.75787 0.24877 1.00000
  Hg3 Hg 0.24213 0.24213 0.75123 1.00000
  Hg4 Hg 0.24213 0.24213 0.24877 1.00000
  Hg5 Hg 0.75787 0.24213 0.75123 1.00000
  Hg6 Hg 0.24213 0.75787 0.75123 1.00000
  Hg7 Hg 0.75787 0.24213 0.24877 1.00000
  Hg8 Hg 0.24213 0.75787 0.24877 1.00000
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