Unconfirmed (8)
Evidence for the existence of the following molecules has been reported in scientific literature, but they have not yet been confirmed.
| Atoms | Molecule | Designation |
|---|---|---|
| 2 | SiH | Silylidine |
| 4 | PH3 | Phosphine |
| 10 | H2NH2CCOOH | Glycine |
| 12 | CO(CH2OH)2 | Dihydroxyacetone |
| 12 | C2H5OCH3 | Ethyl methyl ether |
| 18 | C10H8+ | Naphthalene cation |
| 24 | C24 | Graphene |
| 60 | C60+ | Buckminsterfullerene cation |
Read more about this topic: List Of Interstellar And Circumstellar Molecules