C2H6I2

C2H6I2 is a metastable, insulating organic iodide used as a specialized chemical building block.

CHI
Crystal structure of C2H6I2 (orthorhombic, Pnma (No. 62))
Ground-state structure · Materials Project
Overview

About C2H6I2

C2H6I2 is a metastable organic-iodide compound characterized by its wide-band-gap insulating electronic profile. Its structural configuration reflects a specific arrangement of carbon, hydrogen, and iodine atoms that defines its unique chemical identity within the broader landscape of iodinated hydrocarbons. Due to its metastable nature, this compound is of interest in specialized synthetic pathways where controlled reactivity is required. It serves as a building block in chemical research, leveraging its insulating properties and molecular structure for targeted material development.

At a glance

Key Properties

Cross-validated computational properties for C2H6I2, aggregated across 3 databases.

Band Gap

3.37–4.29 eV
Range across DFT structures

Energy Above Hull

0.068 eV/atom
Best (lowest) across sources

Stability

Metastable
1 DFT source

Structures

6
3 databases, 3 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for C2H6I2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pnma (No. 62)orthorhombic3.370.0682-4.3602.66
R3m (No. 160)trigonal4.290.0920-4.3360.06
No. 0unknown0.77
No. 0unknown0.83
No. 0unknown0.87
2.93
Uses

Applications

Where C2H6I2 is used.

Chemical synthesisOrganic materials research
Reference

Frequently Asked Questions

Common questions about C2H6I2, answered from cross-validated data.

What is C2H6I2?

C2H6I2 is a metastable, insulating organic iodide used as a specialized chemical building block.

More questions
What is C2H6I2 used for?
C2H6I2 is used in chemical synthesis and organic materials research.
What is the band gap of C2H6I2?
C2H6I2 has a DFT-computed band gap of 3.37–4.29 eV across 6 reported structures.
Is C2H6I2 a metal, semiconductor, or insulator?
With a wide band gap up to 4.29 eV it is an insulator / wide-band-gap material.
Is C2H6I2 thermodynamically stable?
C2H6I2 has a lowest energy above hull of 0.068 eV/atom (metastable).
What is the crystal structure of C2H6I2?
The lowest-energy reported polymorph of C2H6I2 is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of C2H6I2?
The computed density of the ground-state structure of C2H6I2 is 2.66 g/cm³.
How many polymorphs of C2H6I2 are known?
6 structures of C2H6I2 are reported across 3 databases, spanning 3 distinct space groups.
What elements does C2H6I2 contain?
C2H6I2 contains C, H, and I (3 elements).
Where does the data for C2H6I2 come from?
C2H6I2 data is cross-referenced from materials_project, cod, omat24.
Comparison

How It Compares

As a unique iodinated hydrocarbon, C2H6I2 occupies a niche position in materials chemistry. Unlike more common, highly stable organic halides, its metastable state suggests a distinct role in specialized chemical synthesis where precise structural control is necessary.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

Analyze C2H6I2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →