CI4
Carbon tetraiodide · Tetraiodomethane
Carbon tetraiodide is a reactive, semiconducting carbon-iodine compound primarily used as a reagent in organic synthesis.
About Carbon tetraiodide
Carbon tetraiodide is a molecular compound consisting of a central carbon atom bonded to four iodine atoms. It is recognized for its semiconducting electronic character and is frequently utilized as a specialized reagent in organic chemical synthesis, particularly in Appel-type reactions for converting alcohols to iodides.
Due to its chemical nature, this compound is considered thermodynamically unstable relative to its constituent elements. Despite this, it remains a subject of significant interest in materials science, with numerous reported structural configurations documented across various databases.
Key Properties
Cross-validated computational properties for Carbon tetraiodide, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where Carbon tetraiodide is used.
Frequently Asked Questions
Common questions about Carbon tetraiodide, answered from cross-validated data.
What is CI4?
Carbon tetraiodide is a reactive, semiconducting carbon-iodine compound primarily used as a reagent in organic synthesis.
What is CI4 used for?
What is the band gap of CI4?
Is CI4 a metal, semiconductor, or insulator?
Is CI4 thermodynamically stable?
How many polymorphs of CI4 are known?
What elements does CI4 contain?
Where does the data for CI4 come from?
How It Compares
As a unique halogenated carbon derivative, carbon tetraiodide serves as a distinct member of the carbon-halide family. It functions as a specialized chemical reagent, differing from more common, highly stable carbon-halogen compounds by its increased reactivity and specific utility in synthetic organic chemistry.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze CI4 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →