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Na5Tm4Ge4O16F

Alexandria ALEX

Alex-ID: agm011025869 · Space group: I-4 (#82)

Basic Information

Formula
Na5Tm4Ge4O16F
Alex-ID
agm011025869
Elements
5
Sites
30
Space group
I-4 (#82)
Crystal system
tetragonal
Volume
384.96
ų
Cell a
8.7563
Å
Cell b
8.7563
Å
Cell c
8.7563
Å
α angle
95.85
°
β angle
95.85
°
γ angle
142.77
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na5Tm4Ge4O16F
Na
5.00 · 16.7%
Tm
4.00 · 13.3%
Ge
4.00 · 13.3%
O
16.00 · 53.3%
F
1.00 · 3.3%

Energy & Stability

Energy above hull
0.0523
eV/atom
Formation energy
-2.8545
eV/atom
Corrected total energy
-209.3383
eV
Raw total energy
-198.1017
eV

Electronic Structure

Indirect band gap
3.7976
eV
Direct band gap
3.7976
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0004
μB

Additional Information

Prototype ID

AB4C4D5E16_0_spg82

Decomposition

NaF NaTmGeO4

Computed at

2024-10-01 01:09:00.354776

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: agm011025869).

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 agm011025869
data_agm011025869
_cell_length_a     8.75628
_cell_length_b     8.75628
_cell_length_c     8.75628
_cell_angle_alpha  95.84898
_cell_angle_beta   95.84898
_cell_angle_gamma  142.76748
_cell_volume       384.95614
_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 0.11861 0.60458 0.69340 1.00000
  Na2 Na 0.91119 0.42521 0.30660 1.00000
  Na3 Na 0.57479 0.88139 0.48598 1.00000
  Na4 Na 0.39542 0.08881 0.51402 1.00000
  Na5 Na 0.00000 0.00000 0.00000 1.00000
  Tm1 Tm 0.70192 0.63593 0.29121 1.00000
  Tm2 Tm 0.34472 0.41071 0.70879 1.00000
  Tm3 Tm 0.58929 0.29808 0.93401 1.00000
  Tm4 Tm 0.36407 0.65528 0.06599 1.00000
  Ge1 Ge 0.88339 0.74187 0.64641 1.00000
  Ge2 Ge 0.09546 0.23699 0.35359 1.00000
  Ge3 Ge 0.76301 0.11661 0.85848 1.00000
  Ge4 Ge 0.25813 0.90454 0.14152 1.00000
  O1 O 0.90795 0.62522 0.48961 1.00000
  O2 O 0.13561 0.41834 0.51039 1.00000
  O3 O 0.58166 0.09205 0.71727 1.00000
  O4 O 0.37478 0.86439 0.28273 1.00000
  O5 O 0.19050 0.06126 0.77743 1.00000
  O6 O 0.28383 0.41307 0.22257 1.00000
  O7 O 0.58693 0.80950 0.87076 1.00000
  O8 O 0.93874 0.71617 0.12924 1.00000
  O9 O 0.69240 0.52347 0.76357 1.00000
  O10 O 0.75990 0.92883 0.23643 1.00000
  O11 O 0.07117 0.30760 0.83107 1.00000
  O12 O 0.47653 0.24010 0.16893 1.00000
  O13 O 0.65801 0.69659 0.54304 1.00000
  O14 O 0.15355 0.11497 0.45696 1.00000
  O15 O 0.88503 0.34199 0.03858 1.00000
  O16 O 0.30341 0.84645 0.96142 1.00000
  F1 F 0.50000 0.50000 0.00000 1.00000
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