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LiI

Elasticity Data ELA

MP-ID: mp-22899 · Space group: Fm-3m (#225)

Basic Information

Formula
LiI
MP-ID
mp-22899
Elements
2
Sites
2
Density
4.1817
g/cm³
Volume
53.15
ų
Cell a
4.2203
Å
Cell b
4.2203
Å
Cell c
4.2203
Å
α Angle
60.00
°
β Angle
60.00
°
γ Angle
60.00
°
Space Group
Fm-3m
Point Group
m-3m
Crystal System
Cubic
Bravais Lattice
Cubic F
Stability
No
Packing Fraction
0.7400

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
25.86 3.4458 33.3 (1,1,1)
25.86 3.4458 100.0 (1,0,0)
29.94 2.9842 80.8 (1,1,0)
42.86 2.1101 10.0 (2,1,1)
42.86 2.1101 39.8 (1,2,1)
42.86 2.1101 10.0 (1,-1,0)
50.73 1.7995 10.2 (2,2,1)
50.73 1.7995 41.0 (2,1,2)
50.73 1.7995 10.2 (0,2,1)
53.16 1.7229 5.3 (2,2,2)
53.16 1.7229 15.8 (2,0,0)
62.22 1.4921 3.3 (2,2,0)
62.22 1.4921 6.5 (2,0,2)
68.53 1.3692 2.1 (3,2,2)
68.53 1.3692 10.3 (3,1,1)
68.53 1.3692 10.3 (1,3,1)
68.53 1.3692 2.1 (1,-2,0)
70.57 1.3346 2.2 (3,2,1)
70.57 1.3346 11.2 (3,1,2)
70.57 1.3346 8.9 (1,2,-1)
70.57 1.3346 4.5 (2,-1,1)
78.51 1.2183 1.7 (3,3,2)
78.51 1.2183 5.0 (3,2,3)
78.51 1.2183 10.0 (2,-1,-1)
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Energy Properties

Formation Energy/atom
-1.39358
eV/atom
Energy/atom
-3.11005
eV/atom
Energy above Hull
0.0287
eV/atom
Uncorrected Energy
-14.8479
eV/atom
Volume/atom
26.58
ų
c/a Ratio
-

Electronic Properties

Metallic
Non-metal
Band Gap
4.231
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
0.0000
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

KVRH
19.889
GPa
GVRH
12.473
GPa
Young's Modulus E
30.949
GPa
Poisson Ratio ν
0.241
Pugh Ratio K/G
1.595
Vickers Hardness Est.
2.071
GPa
Ductility
Ductile
Anisotropy
0.130
Lame λ
11.574
GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Li · 0.500
Element Family
Alkali-AlkEarth
Solute Fraction
0.500
Interstitial Fraction
0.000

Elasticity Features

Elastic Modulus Comparison (GPa)
Elastic Features
Elastic Anisotropy AU
0.1300
Homogeneous Poisson ν
0.2410
Debye Temperature
512.3
K
Sound Velocity
1,915.3
m/s
Homogeneity
0.2410

Related Tasks

Related computation task IDs (4)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-22899
Reference Citation

The crystal structure and related material properties of LiI were obtained from the Materials Project database (MP-ID: mp-22899, database version v2026.04.13).

Literature Citation

Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0

BibTeX
@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_LiI
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.22026477
_cell_length_b   4.22026434
_cell_length_c   4.22026429
_cell_angle_alpha   59.99999229
_cell_angle_beta   59.99999553
_cell_angle_gamma   59.99998437
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LiI
_chemical_formula_sum   'Li1 I1'
_cell_volume   53.15007879
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  -0.00000000  -0.00000000  0.00000000  1.0
  I  I1  1  0.50000000  0.50000000  0.50000000  1.0
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