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Ca2Al16Pd9

Alexandria ALEX

Alex-ID: agm008292388 · Space group: Immm (#71)

Basic Information

Formula
Ca2Al16Pd9
Alex-ID
agm008292388
Elements
3
Sites
27
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
458.14
ų
Cell a
11.2011
Å
Cell b
11.2011
Å
Cell c
11.7262
Å
α angle
58.44
°
β angle
121.56
°
γ angle
158.41
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2Al16Pd9
Ca
2.00 · 7.4%
Al
16.00 · 59.3%
Pd
9.00 · 33.3%

Energy & Stability

Energy above hull
0.0160
eV/atom
Formation energy
-0.7209
eV/atom
Corrected total energy
-130.1339
eV
Raw total energy
-130.1339
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0650
eV
DOS at Fermi level
7.7914
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B9C16_1_spg71

Decomposition

Al3Pd2 Ca2(Al3Pd)3 AlPd

Computed at

2025-01-14 06:33:01

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: agm008292388).

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 agm008292388
data_agm008292388
_cell_length_a     11.20109
_cell_length_b     11.20109
_cell_length_c     11.72623
_cell_angle_alpha  58.43680
_cell_angle_beta   121.56320
_cell_angle_gamma  158.40792
_cell_volume       458.13550
_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 0.76911 0.23089 0.76912 1.00000
  Ca2 Ca 0.23089 0.76911 0.23088 1.00000
  Al1 Al 0.60598 0.39402 0.48444 1.00000
  Al2 Al 0.08154 0.91846 0.25352 1.00000
  Al3 Al 0.79570 0.20430 0.09927 1.00000
  Al4 Al 0.91846 0.08154 0.09045 1.00000
  Al5 Al 0.58517 0.41483 0.08517 1.00000
  Al6 Al 0.39402 0.60598 0.51556 1.00000
  Al7 Al 0.79569 0.20431 0.49212 1.00000
  Al8 Al 0.20430 0.79570 0.90073 1.00000
  Al9 Al 1.00000 0.00000 0.38228 1.00000
  Al10 Al 0.00000 1.00000 0.61772 1.00000
  Al11 Al 0.39402 0.60598 0.27248 1.00000
  Al12 Al 0.20431 0.79569 0.50788 1.00000
  Al13 Al 0.91846 0.08154 0.74648 1.00000
  Al14 Al 0.08154 0.91846 0.90955 1.00000
  Al15 Al 0.60598 0.39402 0.72752 1.00000
  Al16 Al 0.41483 0.58517 0.91483 1.00000
  Pd1 Pd 0.50000 0.50000 0.76420 1.00000
  Pd2 Pd 0.66017 0.33983 0.34294 1.00000
  Pd3 Pd 0.87679 0.12321 0.37681 1.00000
  Pd4 Pd 0.50000 0.50000 0.23580 1.00000
  Pd5 Pd 0.12321 0.87679 0.62319 1.00000
  Pd6 Pd 0.00000 0.00000 0.00000 1.00000
  Pd7 Pd 0.66017 0.33983 0.97740 1.00000
  Pd8 Pd 0.33983 0.66017 0.02260 1.00000
  Pd9 Pd 0.33983 0.66017 0.65706 1.00000
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