Si3
2 compounds have this formula on CompoundList.
- Molar mass
- 84.25g/mol
- Monoisotopic mass
- 83.9308Da
- Atoms
- 3
- Elements
- 1
The formula Si3 describes a molecule made of 3 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
- Si Silicon × 3100.00%28.085 × 3 = 84.255 g/mol
Compounds with the formula Si3
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 Si3?
The molar mass of Si3 is 84.25 g/mol, calculated from standard atomic weights for 3 silicon atoms. The monoisotopic mass is 83.9308 Da.
How many compounds have the formula Si3?
CompoundList lists 2 compounds with the molecular formula Si3, including Trisilane, Trisilirane. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.