CClF

chlorofluorocarbene

Chlorofluorocarbene is a highly reactive chemical intermediate containing a divalent carbon atom bonded to both a chlorine and a fluorine atom. It is primarily utilized in organic synthesis as a reagent for introducing the chlorofluoromethylene group into various molecular structures.

CClF
Overview

Key Properties

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

Band Gap

5.71 eV
Range across DFT structures

Energy Above Hull

0.019 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

9
3 databases, 6 space groups
Crystallography

Reported Structures

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

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Fdd2 (No. 43)orthorhombic5.710.0190-6.7171.84
P1 (No. 1)triclinic5.660.0341-6.7021.63
P-6m2 (No. 187)Hexagonal4.90
Amm2 (No. 38)Orthorhombic2.63
Amm2 (No. 38)Orthorhombic2.98
P-6m2 (No. 187)
P-1 (No. 2)Triclinic4.20
P1 (No. 1)Triclinic2.14
Pc (No. 7)Monoclinic2.61
Uses

Applications

Where CClF is used.

Organic synthesisChemical researchCyclopropanation reactions
Reference

Frequently Asked Questions

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

What is CClF?

Chlorofluorocarbene is a highly reactive chemical intermediate containing a divalent carbon atom bonded to both a chlorine and a fluorine atom. It is primarily utilized in organic synthesis as a reagent for introducing the chlorofluoromethylene group into various molecular structures.

More questions
What is CClF used for?
CClF is used in organic synthesis, chemical research, and cyclopropanation reactions.
What is the band gap of CClF?
CClF has a DFT-computed band gap of 5.71 eV across 9 reported structures.
Is CClF a metal, semiconductor, or insulator?
With a wide band gap up to 5.71 eV it is an insulator / wide-band-gap material.
Is CClF thermodynamically stable?
CClF has a lowest energy above hull of 0.019 eV/atom (near hull (likely stable)).
What is the crystal structure of CClF?
The lowest-energy reported polymorph of CClF is orthorhombic symmetry, space group Fdd2 (No. 43).
What is the density of CClF?
The computed density of the ground-state structure of CClF is 1.84 g/cm³.
How many polymorphs of CClF are known?
9 structures of CClF are reported across 3 databases, spanning 6 distinct space groups.
What elements does CClF contain?
CClF contains C, Cl, and F (3 elements).
Where does the data for CClF come from?
CClF data is cross-referenced from materials_project, mpaloe, jarvis.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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