CompoundList
Molecular formula

HI3Si

1 compound has this formula on CompoundList.

Molar mass
409.79g/mol
Monoisotopic mass
409.6982Da
Atoms
5
Elements
3

The formula HI3Si describes a molecule made of 1 hydrogen atom, 3 iodine atoms and 1 silicon atom. It is written in Hill notation: with no carbon present, every element is listed in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • H Hydrogen × 10.25%
    1.008 × 1 = 1.008 g/mol
  • I Iodine × 392.90%
    126.9 × 3 = 380.700 g/mol
  • Si Silicon × 16.85%
    28.085 × 1 = 28.085 g/mol
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Compounds with the formula HI3Si

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

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Frequently asked questions

What is the molar mass of HI3Si?

The molar mass of HI3Si is 409.79 g/mol, calculated from standard atomic weights for 1 hydrogen atom, 3 iodine atoms and 1 silicon atom. The monoisotopic mass is 409.6982 Da.

How many compounds have the formula HI3Si?

CompoundList lists 1 compound with the molecular formula HI3Si, including Triiodosilane. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.