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Na4Hf2(SiO4)3

Alexandria ALEX

Alex-ID: agm009397183 · Space group: R-3c (#167)

Basic Information

Formula
Na4Hf2(SiO4)3
Alex-ID
agm009397183
Elements
4
Sites
42
Space group
R-3c (#167)
Crystal system
trigonal
Volume
549.47
ų
Cell a
9.1401
Å
Cell b
9.1401
Å
Cell c
9.1401
Å
α angle
60.78
°
β angle
60.78
°
γ angle
60.78
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na4Hf2(SiO4)3
Na
8.00 · 19.0%
Hf
4.00 · 9.5%
Si
6.00 · 14.3%
O
24.00 · 57.1%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-3.1975
eV/atom
Corrected total energy
-336.1954
eV
Raw total energy
-319.3404
eV

Electronic Structure

Indirect band gap
4.3399
eV
Direct band gap
4.3399
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C4D12_4_spg167

Decomposition

Na4Hf2(SiO4)3

Computed at

2024-11-08 03:15:32.445126

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: agm009397183).

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 agm009397183
data_agm009397183
_cell_length_a     9.14014
_cell_length_b     9.14014
_cell_length_c     9.14014
_cell_angle_alpha  60.78229
_cell_angle_beta   60.78229
_cell_angle_gamma  60.78229
_cell_volume       549.46559
_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
  Na1 Na 0.00000 0.00000 0.00000 1.00000
  Na2 Na 0.25000 0.88316 0.61684 1.00000
  Na3 Na 0.61684 0.25000 0.88316 1.00000
  Na4 Na 0.88316 0.61684 0.25000 1.00000
  Na5 Na 0.11684 0.38316 0.75000 1.00000
  Na6 Na 0.38316 0.75000 0.11684 1.00000
  Na7 Na 0.50000 0.50000 0.50000 1.00000
  Na8 Na 0.75000 0.11684 0.38316 1.00000
  Hf1 Hf 0.64609 0.64609 0.64609 1.00000
  Hf2 Hf 0.14609 0.14609 0.14609 1.00000
  Hf3 Hf 0.35391 0.35391 0.35391 1.00000
  Hf4 Hf 0.85391 0.85391 0.85391 1.00000
  Si1 Si 0.75000 0.45460 0.04540 1.00000
  Si2 Si 0.54540 0.95460 0.25000 1.00000
  Si3 Si 0.45460 0.04540 0.75000 1.00000
  Si4 Si 0.25000 0.54540 0.95460 1.00000
  Si5 Si 0.95460 0.25000 0.54540 1.00000
  Si6 Si 0.04540 0.75000 0.45460 1.00000
  O1 O 0.50939 0.12609 0.29318 1.00000
  O2 O 0.12609 0.29318 0.50939 1.00000
  O3 O 0.29318 0.50939 0.12609 1.00000
  O4 O 0.37391 0.99061 0.20682 1.00000
  O5 O 0.99061 0.20682 0.37391 1.00000
  O6 O 0.20682 0.37391 0.99061 1.00000
  O7 O 0.49061 0.87391 0.70682 1.00000
  O8 O 0.87391 0.70682 0.49061 1.00000
  O9 O 0.70682 0.49061 0.87391 1.00000
  O10 O 0.62609 0.00939 0.79318 1.00000
  O11 O 0.00939 0.79318 0.62609 1.00000
  O12 O 0.79318 0.62609 0.00939 1.00000
  O13 O 0.43508 0.23042 0.58108 1.00000
  O14 O 0.23042 0.58108 0.43508 1.00000
  O15 O 0.58108 0.43508 0.23042 1.00000
  O16 O 0.26958 0.06492 0.91892 1.00000
  O17 O 0.06492 0.91892 0.26958 1.00000
  O18 O 0.91892 0.26958 0.06492 1.00000
  O19 O 0.08108 0.73042 0.93508 1.00000
  O20 O 0.93508 0.08108 0.73042 1.00000
  O21 O 0.73042 0.93508 0.08108 1.00000
  O22 O 0.41892 0.56492 0.76958 1.00000
  O23 O 0.76958 0.41892 0.56492 1.00000
  O24 O 0.56492 0.76958 0.41892 1.00000
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