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Hf3I7

Alexandria ALEX

Alex-ID: agm007803977 · Space group: Cmce (#64)

Basic Information

Formula
Hf3I7
Alex-ID
agm007803977
Elements
2
Sites
40
Space group
Cmce (#64)
Crystal system
orthorhombic
Volume
1,666.14
ų
Cell a
11.1575
Å
Cell b
13.3792
Å
Cell c
15.8923
Å
α angle
90.00
°
β angle
135.39
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Hf3I7
Hf
12.00 · 30.0%
I
28.00 · 70.0%

Energy & Stability

Energy above hull
0.0514
eV/atom
Formation energy
-0.7547
eV/atom
Corrected total energy
-193.0324
eV
Raw total energy
-193.0324
eV

Electronic Structure

Indirect band gap
0.0527
eV
Direct band gap
0.0705
eV
DOS at Fermi level
20.4486
Total magnetisation
4.2503
μB

Additional Information

Prototype ID

A3B7_26_spg64

Decomposition

HfI3 Hf

Computed at

2024-12-06 15:48:26

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: agm007803977).

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 agm007803977
data_agm007803977
_cell_length_a     11.15748
_cell_length_b     13.37922
_cell_length_c     15.89231
_cell_angle_alpha  90.00000
_cell_angle_beta   135.38750
_cell_angle_gamma  90.00000
_cell_volume       1666.14145
_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
  Hf1 Hf 0.11985 0.11780 0.67611 1.00000
  Hf2 Hf 0.88015 0.61780 0.82389 1.00000
  Hf3 Hf 0.11997 0.38229 0.94371 1.00000
  Hf4 Hf 0.88003 0.88229 0.55629 1.00000
  Hf5 Hf 0.88015 0.88220 0.32389 1.00000
  Hf6 Hf 0.11985 0.38220 0.17611 1.00000
  Hf7 Hf 0.88003 0.61771 0.05629 1.00000
  Hf8 Hf 0.11997 0.11771 0.44371 1.00000
  Hf9 Hf 0.80691 0.06735 0.40348 1.00000
  Hf10 Hf 0.19309 0.56735 0.09652 1.00000
  Hf11 Hf 0.80691 0.43265 0.90348 1.00000
  Hf12 Hf 0.19309 0.93265 0.59652 1.00000
  I1 I 0.26795 0.26388 0.63385 1.00000
  I2 I 0.73205 0.76388 0.86615 1.00000
  I3 I 0.26795 0.23612 0.13385 1.00000
  I4 I 0.73205 0.73612 0.36615 1.00000
  I5 I 0.99982 0.00013 0.75923 1.00000
  I6 I 0.00018 0.50013 0.74077 1.00000
  I7 I 0.00018 0.99987 0.24077 1.00000
  I8 I 0.99982 0.49987 0.25923 1.00000
  I9 I 0.81501 0.23186 0.52775 1.00000
  I10 I 0.18499 0.73186 0.97225 1.00000
  I11 I 0.81513 0.26827 0.78723 1.00000
  I12 I 0.18487 0.76827 0.71277 1.00000
  I13 I 0.18499 0.76814 0.47225 1.00000
  I14 I 0.81501 0.26814 0.02775 1.00000
  I15 I 0.18487 0.73173 0.21277 1.00000
  I16 I 0.81513 0.23173 0.28723 1.00000
  I17 I 0.43681 0.01413 0.83876 1.00000
  I18 I 0.56319 0.51413 0.66124 1.00000
  I19 I 0.43691 0.48597 0.09796 1.00000
  I20 I 0.56309 0.98597 0.40204 1.00000
  I21 I 0.56319 0.98587 0.16124 1.00000
  I22 I 0.43681 0.48587 0.33876 1.00000
  I23 I 0.56309 0.51403 0.90204 1.00000
  I24 I 0.43691 0.01403 0.59796 1.00000
  I25 I 0.27307 0.25006 0.88639 1.00000
  I26 I 0.72693 0.75006 0.61361 1.00000
  I27 I 0.72693 0.74994 0.11361 1.00000
  I28 I 0.27307 0.24994 0.38639 1.00000
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