Chloryl fluoride

Names
Other names

* Chlorine dioxide fluoride
* Chlorine(V) fluoride dioxide

Identifiers

CAS Number

* 13637-83-7 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 123044 N

PubChem CID

* 139523

InChI

* InChI=1S/ClFO2/c2-1(3)4 N

Key: YVRLYFHVJLYEHM-UHFFFAOYSA-N N

* InChI=1/ClFO2/c2-1(3)4

Key: YVRLYFHVJLYEHM-UHFFFAOYAO

SMILES

* FCl(=O)=O

Properties

Chemical formula

| ClO

Molar mass | 86.45 g·mol−1
Appearance  | Colorless gas
Density | 3.534 g/L
Melting point | −115 °C
Boiling point | −6 °C
Related compounds

Related compounds

* Bromyl fluoride
* Iodyl fluoride
* Perchloryl fluoride
* Chloryl trifluoride

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Chloryl fluoride is the chemical compound with the formula ClO
2F. This compound is a gas boiling at −6 °C. It is commonly encountered as side-product in reactions of chlorine fluorides with oxygen sources.[1] It is the acyl fluoride of chloric acid.

## Contents

* 1 Preparation
* 2 Structure
* 3 Precautions
* 4 References
* 5 External links

## Preparation

ClO
2F was first reported by Schmitz and Schumacher in 1942, who prepared it by the fluorination of ClO
2.[2] The compound is more conveniently prepared by reaction of sodium chlorate and chlorine trifluoride[3] and purified by vacuum fractionation, i.e. selectively condensing this species separately from other products.

6 NaClO
3 \+ 4 ClF
3 → 6 ClO
2F + 2 Cl
2 \+ 3 O
2 \+ 6 NaF

## Structure

In contrast to O

2, ClO
2F is a pyramidal molecule as predicted by VSEPR. The differing structures reflects the greater tendency of chlorine to exist in positive oxidation states with oxygen and fluorine ligands. The related Cl-O-F compound perchloryl fluoride, ClO
3F, is tetrahedral. The related bromine compound bromyl fluoride (BrO
2F) adopts the same structure as ClO
2F, whereas iodyl fluoride (IO
2F) forms a polymeric substance under standard conditions.[4]

## Precautions

Rocket fuel chemist John Drury Clark reported in his book Ignition! that chloryl fluoride "is indecently reactive, and the hardest to keep of all the CI-O-F compounds, since it apparently dissolves the protective metal fluoride coatings that make the storage of ClF
3 comparatively simple."[5]

## References

1. ↑ Christe, K. O.; Wilson, R. D.; Schack, C. J. "Chloryl fluoride" Inorganic Syntheses, 1986, volume 24, pages 3–5. ISBN 0-471-83441-6 https://onlinelibrary.wiley.com/doi/10.1002/9780470132555.ch2
2. ↑ Schmitz, H.; Schumacheb, H. J. (1942-04-29). "Über eine neue Reaktion des Chlordioxyds. Die Bildung einer Verbindung der Formel ClO2F" (in de). Zeitschrift für anorganische und allgemeine Chemie (Wiley) 249 (3): 238–244. doi:10.1002/zaac.19422490302. ISSN 0863-1786.
3. ↑ Wiberg, Egon; Wiberg, Nils; Holleman, A. F. (2001). Inorganic chemistry. San Diego: Academic Press. p. 1797. ISBN 0-12-352651-5. OCLC 48056955.
4. ↑ Holleman, A.F.; Wiberg, E.; Wiberg, N. (1995). Lehrbuch der anorganischen Chemie. de Gruyter. p. 501. ISBN 9783110126419. https://books.google.com/books?id=eGkvSDAqY9gC. Retrieved 2015-02-20.
5. ↑ Clark, John Drury (23 May 2018). Ignition!: An Informal History of Liquid Rocket Propellants. Rutgers University Press. pp. 302. ISBN 978-0-8135-9918-2. OCLC 281664. https://books.google.com/books?id=BdU4DwAAQBAJ&q=perchloryl fluoride.

## External links

* WebBook page for ClO2F

* v
* t
* e

Chlorine compounds

* ClF
* ClF3
* ClF5
* ClNO3
* ClO
* ClOF3
* Cl2O2
* ClO2
* ClO2F
* ClO3F
* Cl2O
* Cl2O4
* Cl2O6
* Cl2O7
* HCl
* SiCl4

* v
* t
* e

Fluorine compounds

| HF |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | He

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LiF | BeF2 |  |  |  |  |  |  |  |  |  |  | BF3
B2F4 | CF4 | NF3 | OF2 | F− | Ne
NaF | MgF2 |  |  |  |  |  |  |  |  |  |  | AlF3 | SiF4 | PF3
PF5 | SF2
SF4
SF6 | ClF
ClF3
ClF5 | Ar
KF | CaF2 | ScF3 | TiF3
TiF4 | VF3
VF4
VF5 | CrF2
CrF3
CrF4
CrF5 | MnF2
MnF3 | FeF2
FeF3 | CoF2
CoF3 | NiF2 | CuF
CuF2 | ZnF2 | GaF3 | GeF4 | AsF3
AsF5 | SeF4
SeF6 | BrF3
BrF5 | KrF2
RbF | SrF2 | YF3 | ZrF4 | NbF4
NbF5 | MoF5
MoF6 | TcF6 | RuF3
RuF4
RuF5
RuF6 | RhF6 | PdF2 | AgF
AgF2
Ag2F | CdF2 | InF3 | SnF2
SnF4 | SbF3
SbF5 | TeF4 | IF
IF3
IF5
IF7 | XeF2
XeF4
XeF6
CsF | BaF2 | *  | HfF4 | TaF5 | WF4
WF6 | ReF4
ReF5
ReF6
ReF7 | OsF4
OsF5
OsF6 | IrF3
IrF5
IrF6 | PtF4
PtF6 | AuF3
Au2F10
AuF5·F2
| HgF2
Hg2F2 | TlF
TlF3 | PbF2
PbF4 | BiF3
BiF5 | Po | At | RnF2
Fr | Ra | **  | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og
|  | ↓ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| * | LaF3 | CeF3 | Pr | NdF3 | PmF3 | SmF3
| Eu | Gd | Tb | DyF3 | Ho | Er | Tm | YbF3
| Lu |
| ** | AcF3 | ThF4 | Pa | UF3
UF4
UF5
UF6 | NpF3
NpF4
NpF5
NpF6
| PuF3
PuF4
PuF5
PuF6 | AmF3
AmF4 | CmF3 | Bk | Cf | Es | Fm | Md | No | Lr |

Other|

* AgBF4
* AgPF6
* Cs2AlF5
* K3AlF6
* Na3AlF6
* KAsF6
* LiAsF6
* NaAsF6
* HBF4
* KBF4
* LiBF4
* NaBF4
* RbBF4
* Ba(BF4)2
* Ni(BF4)2
* Pb(BF4)2
* Sn(BF4)2
* BaClF
* BaSiF6
* BaGeF6
* BrOF3
* BrO2F
* CBrF3
* CBr2F2
* CBr3F
* CClF3
* CCl2F2
* CCl3F
* CFN
* CF2O
* CF3I
* CHF3
* CH2F2
* CH3F
* C2Cl3F3
* C2H3F
* C6H5F
* C7H5F3
* C15F33N
* ClFO2
* CrFO4
* CrF2O2
* CsBF4
* NH4F
* FNO
* FNO2
* FNO3
* KHF2
* NaHF2
* ThOF2
* NH5F2
* (NH4)2SiF6
* F2OS
* F3OP
* PSF3
* HPF6
* HSbF6
* NH4PF6
* KPF6
* KSbF6
* LiPF6
* NaPF6
* NaSbF6
* Na2SiF6
* Na2TiF6
* Na2ZrF6
* TlPF6
* IOF3
* K2NbF7
* K2TaF7
* IO3F
* UO2F2

Chemical formulas

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