| Name | Formula | Dipole moment (debye) |
|---|---|---|
| hydrogen peroxide | H2O2 | 2.20 |
| hydrogen sulfide | H2S | 0.97 |
| hydroxybutanedioic acid | C4H6O5 | 3.12 |
| hydroxylamine | H3NO | 0.59 |
| hypochlorous acid | HClO | 0.37 |
| hypofluorous acid | HFO | 2.20 |
| imidazole | C3H4N2 | 3.99 |
| imidazolidin-2-one | C3H6N2O | 4.02 |
| imidazolidine-2-thione | C3H6N2S | 5.67 |
| imidazo[1,2-a]pyridine | C7H6N2 | 3.47 |
| imidazo[1,5-a]pyridine | C7H6N2 | 3.25 |
| imidodiacetodinitrile | 3.52 | |
| indazole | C7H6N2 | 1.85 |
| inden-2-ylidenecycloheptatriene | C16H12 | 2.48 |
| indene | C9H8 | 0.62 |
| indium(I) chloride | ClIn | 3.79 |
| indium(I) fluoride | FIn | 3.40 |
| indole | C8H7N | 3.20 |
| indolizine | C8H7N | 1.13 |
| iodine | I | 1.20 |
| iodine bromide | BrI | 0.73 |
| iodine cyanide | CIN | 3.71 |
| iodine fluoride | FI | 1.95 |
| iodine monochloride | ClI | 1.24 |
| iodine oxide | IO | 2.45 |