Germanium iodide

Germanium iodide is a chemical compound of germanium and iodine. Two such compounds exist: germanium(II) iodide GeI2 and germanium(IV) iodide GeI4.[1]

Germanium(II) iodide is a yellow crystalline solid which decomposes on melting. Its specific density is 5.37 and it can be sublimed at 240 °C in a vacuum.

Germanium(IV) iodide is an orange-red crystalline solid with melting point 144 °C and boiling point 440 °C (with decomposition). Its specific density is 4.32. It is soluble in non-polar solvents like carbon disulfide, chloroform or benzene.[2]

References
  1. Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
  2. Schenk, P.W. (1963). "12. Silicon and Germanium". In Brauer, Georg (ed.). Handbook of preparative inorganic chemistry (Second ed.). Academic Press. p. 719. doi:10.1016/B978-0-12-395590-6.50020-X. ISBN 978-0-12-395590-6.
Salts and covalent derivatives of the iodide ion
HI He
LiI BeI2 BI3 CI4 NI3 I2O4,
I2O5,
I4O9		 IF,
IF3,
IF5,
IF7		 Ne
NaI MgI2 AlI3 SiI4 PI3,
P2I4		 S ICl,
ICl3		 Ar
KI CaI2 ScI3 TiI2
TiI3
TiI4		 VI3 CrI3 MnI2 FeI2 CoI2 NiI2 CuI ZnI2 Ga2I6 GeI2,
GeI4		 AsI3 Se IBr Kr
RbI SrI2 YI3 ZrI4 NbI5 Mo Tc Ru Rh Pd AgI CdI2 InI3 SnI4,
SnI2		 SbI3 TeI4 I Xe
CsI BaI2   HfI4 TaI5 W Re Os Ir Pt AuI Hg2I2,
HgI2		 TlI PbI2 BiI3 Po AtI Rn
Fr RaI2   Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
↓
La Ce Pr Nd Pm SmI2 Eu Gd TbI3 Dy Ho Er Tm Yb Lu
Ac ThI4 Pa UI3,
UI4		 Np Pu Am Cm Bk Cf EsI3 Fm Md No Lr
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