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Ca(GeI3)2

Alexandria ALEX

Alex-ID: agm005715744 · Space group: C2/m (#12)

Basic Information

Formula
Ca(GeI3)2
Alex-ID
agm005715744
Elements
3
Sites
9
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
384.10
ų
Cell a
4.3661
Å
Cell b
9.2126
Å
Cell c
10.2342
Å
α angle
106.84
°
β angle
102.32
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca(GeI3)2
Ca
1.00 · 11.1%
Ge
2.00 · 22.2%
I
6.00 · 66.7%

Energy & Stability

Energy above hull
0.0034
eV/atom
Formation energy
-0.7549
eV/atom
Corrected total energy
-27.3315
eV
Raw total energy
-27.3315
eV

Electronic Structure

Indirect band gap
2.3502
eV
Direct band gap
2.4709
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C6_1810_spg12

Decomposition

GeI2 CaI2

Computed at

2023-07-06 14:13:06.939991

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: agm005715744).

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 agm005715744
data_agm005715744
_cell_length_a     4.36613
_cell_length_b     9.21265
_cell_length_c     10.23423
_cell_angle_alpha  106.83677
_cell_angle_beta   102.31640
_cell_angle_gamma  90.00000
_cell_volume       384.10200
_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 0.50000 0.00000 0.00000 1.00000
  Ge1 Ge 0.83119 0.66245 0.66239 1.00000
  Ge2 Ge 0.16881 0.33755 0.33761 1.00000
  I1 I 0.33475 0.89590 0.66949 1.00000
  I2 I 0.00854 0.24866 0.01709 1.00000
  I3 I 0.67345 0.57046 0.34691 1.00000
  I4 I 0.99146 0.75134 0.98291 1.00000
  I5 I 0.66525 0.10410 0.33051 1.00000
  I6 I 0.32655 0.42954 0.65309 1.00000
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