CompoundList
Molecular formula

H12Si5

2 compounds have this formula on CompoundList.

Molar mass
152.52g/mol
Monoisotopic mass
151.9785Da
Atoms
17
Elements
2

The formula H12Si5 describes a molecule made of 12 hydrogen atoms and 5 silicon atoms. 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 × 127.93%
    1.008 × 12 = 12.096 g/mol
  • Si Silicon × 592.07%
    28.085 × 5 = 140.425 g/mol
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Compounds with the formula H12Si5

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

Showing 1 to 2 of 2 compounds

Frequently asked questions

What is the molar mass of H12Si5?

The molar mass of H12Si5 is 152.52 g/mol, calculated from standard atomic weights for 12 hydrogen atoms and 5 silicon atoms. The monoisotopic mass is 151.9785 Da.

How many compounds have the formula H12Si5?

CompoundList lists 2 compounds with the molecular formula H12Si5, including 2,2-Disilyltrisilane, Pentasilane. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.