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'''Gallium(III) iodide''' is the ] with the ] ]]<sub>3</sub>. A yellow hygroscopic solid, it is the most common iodide of gallium.<ref>{{cite book|author=Donges, E. |chapter=Gallium(III) Iodide|title=Handbook of Preparative Inorganic Chemistry, 2nd Ed. |editor=Brauer, G. |publisher=Academic Press|year=1963|place=NY, NY|volume=1|pages=846}}</ref> In the ] method of growing crystals of ] uses iodine as the transport agent. In the solid state, it exists as the dimer Ga<sub>2</sub>I<sub>6</sub>.<ref>{{cite journal|doi=10.1002/zaac.200600008|title=Chemischer Transport fester Lösungen. 27. Mischphasenbildung und chemischer Transport im System Zn ''Se''/Ga ''As''|year=2006|last1=Brünig|first1= C.|last2=Locmelis|first2=S.|last3=Milke|first3=E.| last4=Binnewies|first4=M.|journal=Zeitschrift für Anorganische und Allgemeine Chemie|volume=632|issue=6|pages=1067–1072}}</ref> When vaporized, its forms GaI<sub>3</sub> molecules of D<sub>3h</sub> symmetry where the Ga–I distance is 2.458 ].<ref>Haynes, p. 9.23</ref> '''Gallium(III) iodide''' is the ] with the ] ]]<sub>3</sub>. A yellow hygroscopic solid, it is the most common iodide of gallium.<ref>{{cite book|author=Donges, E. |chapter=Gallium(III) Iodide|title=Handbook of Preparative Inorganic Chemistry, 2nd Ed. |editor=Brauer, G. |publisher=Academic Press|year=1963|place=NY, NY|volume=1|pages=846}}</ref> In the ] method of growing crystals of ] uses iodine as the transport agent. In the solid state, it exists as the dimer Ga<sub>2</sub>I<sub>6</sub>.<ref>{{cite journal|doi=10.1002/zaac.200600008|title=Chemischer Transport fester Lösungen. 27. Mischphasenbildung und chemischer Transport im System Zn ''Se''/Ga ''As''|year=2006|last1=Brünig|first1= C.|last2=Locmelis|first2=S.|last3=Milke|first3=E.| last4=Binnewies|first4=M.|journal=Zeitschrift für Anorganische und Allgemeine Chemie|volume=632|issue=6|pages=1067–1072}}</ref> When vaporized, its forms GaI<sub>3</sub> molecules of D<sub>3h</sub> symmetry where the Ga–I distance is 2.458 ].<ref>Haynes, p. 9.23</ref>


Gallium triiodide can be reduced with gallium metal to give a green-colored ]. The nature of this species is unclear, but it is useful for the preparation of gallium(I) and gallium(II) compounds.<ref>{{cite journal|doi=10.1039/b501310k|title="GaI": A versatile reagent for the synthetic chemist |year=2005 |last1=Baker |first1=Robert J. |last2=Jones |first2=Cameron |journal=Dalton Trans |issue=8 |pages=1341–1348 |pmid=15824768 |hdl=2262/69572 }}</ref><ref>{{cite journal|doi=10.1039/b613669a|title='GaI': A new reagent for chemo- and diastereoselective C–C bond forming reactions |year=2007 |last1=Green |first1=Shaun P. |last2=Jones |first2=Cameron |last3=Stasch |first3=Andreas |last4=Rose |first4=Richard P. |journal=New J. Chem. |volume=31 |pages=127–134 }}</ref> Gallium triiodide can be reduced with gallium metal to give a green-colored ]. The nature of this species is unclear, but it is useful for the preparation of gallium(I) and gallium(II) compounds.<ref>{{cite journal|doi=10.1039/b501310k|title="GaI": A versatile reagent for the synthetic chemist |year=2005 |last1=Baker |first1=Robert J. |last2=Jones |first2=Cameron |journal=Dalton Trans |issue=8 |pages=1341–1348 |pmid=15824768 |hdl=2262/69572 |hdl-access=free }}</ref><ref>{{cite journal|doi=10.1039/b613669a|title='GaI': A new reagent for chemo- and diastereoselective C–C bond forming reactions |year=2007 |last1=Green |first1=Shaun P. |last2=Jones |first2=Cameron |last3=Stasch |first3=Andreas |last4=Rose |first4=Richard P. |journal=New J. Chem. |volume=31 |pages=127–134 }}</ref>


==See also== ==See also==

Latest revision as of 15:01, 12 August 2023

Gallium(III) iodide
Gallium(III) iodide
Names
Other names gallium triiodide
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.269 Edit this at Wikidata
EC Number
  • 236-611-6
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Ga.3HI/h;3*1H/q+3;;;/p-3Key: DWRNSCDYNYYYHT-UHFFFAOYSA-K
  • InChI=1/Ga.3HI/h;3*1H/q+3;;;/p-3Key: DWRNSCDYNYYYHT-DFZHHIFOAW
SMILES
  • I(I)I
Properties
Chemical formula GaI3
Molar mass 450.436 g/mol
Appearance light yellow powder
Density 4.5 g/cm
Melting point 212 °C (414 °F; 485 K)
Boiling point 340 °C (644 °F; 613 K)
Solubility in water decomposes
Magnetic susceptibility (χ) −149.0·10 cm/mol
Thermochemistry
Heat capacity (C) 100 J/(mol·K)
Std molar
entropy
(S298)
205.0 J/(mol·K)
Std enthalpy of
formation
fH298)
−238.9 kJ/mol
Hazards
GHS labelling:
Pictograms GHS05: CorrosiveGHS07: Exclamation markGHS08: Health hazard
Signal word Danger
Hazard statements H314, H317, H334, H335, H361
Precautionary statements P280, P305+P351+P338, P310
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
4 0 1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒verify (what is  ?) Infobox references
Chemical compound

Gallium(III) iodide is the inorganic compound with the formula GaI3. A yellow hygroscopic solid, it is the most common iodide of gallium. In the chemical vapor transport method of growing crystals of gallium arsenide uses iodine as the transport agent. In the solid state, it exists as the dimer Ga2I6. When vaporized, its forms GaI3 molecules of D3h symmetry where the Ga–I distance is 2.458 Angstroms.

Gallium triiodide can be reduced with gallium metal to give a green-colored gallium(I) iodide. The nature of this species is unclear, but it is useful for the preparation of gallium(I) and gallium(II) compounds.

See also

References

  1. ^ Haynes, p. 4.63
  2. Haynes, p. 5.20
  3. Donges, E. (1963). "Gallium(III) Iodide". In Brauer, G. (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. p. 846.
  4. Brünig, C.; Locmelis, S.; Milke, E.; Binnewies, M. (2006). "Chemischer Transport fester Lösungen. 27. Mischphasenbildung und chemischer Transport im System Zn Se/Ga As". Zeitschrift für Anorganische und Allgemeine Chemie. 632 (6): 1067–1072. doi:10.1002/zaac.200600008.
  5. Haynes, p. 9.23
  6. Baker, Robert J.; Jones, Cameron (2005). ""GaI": A versatile reagent for the synthetic chemist". Dalton Trans (8): 1341–1348. doi:10.1039/b501310k. hdl:2262/69572. PMID 15824768.
  7. Green, Shaun P.; Jones, Cameron; Stasch, Andreas; Rose, Richard P. (2007). "'GaI': A new reagent for chemo- and diastereoselective C–C bond forming reactions". New J. Chem. 31: 127–134. doi:10.1039/b613669a.

Cited sources

Gallium compounds
Gallium(−V)
Gallium(I)
Gallium(II)
Gallium(I,III)
Gallium(III)
Organogallium(III) compounds
  • Ga(C5H7O2)3
  • Ga(CH3)3
  • Ga(C2H5)3
  • Salts and covalent derivatives of the iodide ion
    HI
    +H
    He
    LiI BeI2 BI3
    +BO3
    CI4
    +C
    NI3
    NH4I
    +N
    I2O4
    I2O5
    I2O6
    I4O9
    IF
    IF3
    IF5
    IF7
    Ne
    NaI MgI2 AlI
    AlI3
    SiI4 PI3
    P2I4
    +P
    PI5
    S2I2 ICl
    ICl3
    Ar
    KI CaI2 ScI3 TiI2
    TiI3
    TiI4
    VI2
    VI3
    CrI2
    CrI3
    CrI4
    MnI2 FeI2
    FeI3
    CoI2 NiI2
    -Ni
    CuI ZnI2 GaI
    GaI3
    GeI2
    GeI4
    +Ge
    AsI3
    As2I4
    +As
    Se IBr
    IBr3
    Kr
    RbI
    RbI3
    SrI2 YI3 ZrI2
    ZrI3
    ZrI4
    NbI4
    NbI5
    MoI2
    MoI3
    TcI3 RuI3 RhI3 PdI2 AgI CdI2 InI
    InI3
    SnI2
    SnI4
    SbI3
    +Sb
    TeI4
    +Te
    I
    I
    3
    Xe
    CsI
    CsI3
    BaI2   LuI3 HfI3
    HfI4
    TaI4
    TaI5
    WI2
    WI3
    WI4
    ReI3
    ReI
    4
    OsI
    OsI2
    OsI3
    IrI3
    IrI
    4
    PtI2
    PtI4
    AuI
    AuI3
    Hg2I2
    HgI2
    TlI
    TlI3
    PbI2 BiI3 PoI2
    PoI4
    AtI Rn
    Fr RaI2   Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
    LaI2
    LaI3
    CeI2
    CeI3
    PrI2
    PrI3
    NdI2
    NdI3
    PmI3 SmI2
    SmI3
    EuI2
    EuI3
    GdI2
    GdI3
    TbI3 DyI2
    DyI
    3
    HoI3 ErI3 TmI2
    TmI3
    YbI2
    YbI3
    AcI3 ThI2
    ThI3
    ThI4
    PaI4
    PaI5
    UI3
    UI4
    NpI3 PuI3 AmI2
    AmI3
    CmI3 BkI
    3
    CfI
    2

    CfI
    3
    EsI2
    EsI3
    Fm Md No


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