Iodine trifluoride |
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Names |
IUPAC name Iodine trifluoride |
Other names iodine(III) fluoride |
Identifiers |
CAS Number | - 22520-96-3
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3D model (JSmol) | |
ChemSpider | - 10329096
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| - DTXSID70552824
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InChI=1S/F3I/c1-4(2)3 YKey: VJUJMLSNVYZCDT-UHFFFAOYSA-N YInChI=1/F3I/c1-4(2)3 Key: VJUJMLSNVYZCDT-UHFFFAOYAM |
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Properties |
Chemical formula | IF3 |
Molar mass | 183.9 g/mol |
Appearance | yellow solid |
Melting point | decomposes above −28 °C |
Related compounds |
Other anions | iodine trichloride |
Other cations | bromine trifluoride |
Related compounds | chlorine trifluoride iodine pentafluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references |
Chemical compound
Iodine trifluoride is an interhalogen compound with the chemical formula IF3. It is a yellow solid which decomposes above −28 °C. It can be synthesised from the elements, but care must be taken to avoid the formation of IF5.
Reactions
F2 reacts with I2 to yield IF3 at −45 °C in CCl3F. Alternatively, at low temperatures, the fluorination reaction I2 + 3XeF2 → 2IF3 + 3Xe can be used. Not much is known about iodine trifluoride as it is so unstable.
Structure
The iodine atom of iodine trifluoride has five electron pairs, of which two are lone-pairs, and the molecule is T-shaped as predicted by VSEPR Theory.[1]
References
Iodine(-I) | |
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Iodine(I) | |
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Iodine(II) | |
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Iodine(III) | |
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Iodine(IV) | |
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Iodine(V) | |
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Iodine(VII) | - HIO4
- H5IO6
- IF7
- IO3F
- IO2F3
- IOF5
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HF | | | | | | | | | | | | | | | | | | He | LiF | BeF2 | | | | | | | | | | | | BF BF3 B2F4 | CF4 CxFy | NF3 N2F4 | OF OF2 O2F2 O2F | F− | Ne | NaF | MgF2 | | | | | | | | | | | | AlF AlF3 | SiF4 | P2F4 PF3 PF5 | S2F2 SF2 S2F4 SF4 S2F10 SF6 | ClF ClF3 ClF5 | HArF ArF2 | KF | CaF2 | | ScF3 | TiF3 TiF4 | VF2 VF3 VF4 VF5 | CrF2 CrF3 CrF4 CrF5 CrF6 | MnF2 MnF3 MnF4 | FeF2 FeF3 | CoF2 CoF3 | NiF2 NiF3 | CuF CuF2 | ZnF2 | GaF3 | GeF4 | AsF3 AsF5 | SeF4 SeF6 | BrF BrF3 BrF5 | KrF2 KrF4 KrF6 | RbF | SrF2 | | YF3 | ZrF4 | NbF4 NbF5 | MoF4 MoF5 MoF6 | TcF6 | RuF3 RuF4 RuF5 RuF6 | RhF3 RhF5 RhF6 | PdF2 Pd[PdF6] PdF4 PdF6 | AgF AgF2 AgF3 Ag2F | CdF2 | InF3 | SnF2 SnF4 | SbF3 SbF5 | TeF4 TeF6 | IF IF3 IF5 IF7 | XeF2 XeF4 XeF6 XeF8 | CsF | BaF2 | * | LuF3 | HfF4 | TaF5 | WF4 WF6 | ReF6 ReF7 | OsF4 OsF5 OsF6 OsF 7 OsF8 | IrF3 IrF5 IrF6 | PtF2 Pt[PtF6] PtF4 PtF5 PtF6 | AuF AuF3 Au2F10 AuF5·F2 | HgF2 Hg2F2 HgF4 | TlF TlF3 | PbF2 PbF4 | BiF3 BiF5 | PoF4 PoF6 | At | RnF2 RnF6 | Fr | RaF2 | ** | Lr | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og | | | ↓ | | | | | | | | | | | | | | | | | | * | LaF3 | CeF3 CeF4 | PrF3 PrF4 | NdF3 | PmF3 | SmF2 SmF3 | EuF2 EuF3 | GdF3 | TbF3 TbF4 | DyF3 | HoF3 | ErF3 | TmF2 TmF3 | YbF2 YbF3 | | | | | ** | AcF3 | ThF4 | PaF4 PaF5 | UF3 UF4 UF5 UF6 | NpF3 NpF4 NpF5 NpF6 | PuF3 PuF4 PuF5 PuF6 | AmF3 AmF4 AmF6 | CmF3 | Bk | Cf | Es | Fm | Md | No | | | |
PF6−, AsF6−, SbF6− compounds | - AgPF6
- KAsF6
- LiAsF6
- NaAsF6
- HPF6
- HSbF6
- NH4PF6
- KPF6
- KSbF6
- LiPF6
- NaPF6
- NaSbF6
- TlPF6
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AlF6− compounds | - Cs2AlF5
- Li3AlF6
- K3AlF6
- Na3AlF6
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chlorides, bromides, iodides and pseudohalogenides | |
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SiF62-, GeF62- compounds | - BaSiF6
- BaGeF6
- (NH4)2SiF6
- Na2[SiF6]
- K2[SiF6]
- Li2GeF6
- Li2SiF6
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Oxyfluorides | - BrOF3
- BrO2F
- BrO3F
- LaOF
- ThOF2
- VOF
3 - TcO
3F - WOF
4 - YOF
- ClOF3
- ClO2F3
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Organofluorides | - CBrF3
- CBr2F2
- CBr3F
- CClF3
- CCl2F2
- CCl3F
- CF2O
- CF3I
- CHF3
- CH2F2
- CH3F
- C2Cl3F3
- C2H3F
- C6H5F
- C7H5F3
- C15F33N
- C3H5F
- C6H11F
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with transition metal, lanthanide, actinide, ammonium | - VOF3
- CrOF4
- CrF2O2
- NH4F
- (NH4)2ZrF6
- CsXeF7
- Li2SnF6
- Li2TiF6
- Li2ZrF6
- K2TiF6
- Rb2TiF6
- Na2TiF6
- Na2ZrF6
- K2NbF7
- K2TaF7
- K2ZrF6
- UO2F2
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nitric acids | |
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bifluorides | |
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thionyl, phosphoryl, and iodosyl | - F2OS
- F3OP
- PSF3
- IOF3
- IO3F
- IOF5
- IO2F
- IO2F3
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