atomic orbital

(redirected from P-orbital)

atomic orbital

[ə′täm·ik ′ȯr·bə·təl]
(atomic physics)
The space-dependent part of a wave function describing an electron in an atom.
References in periodicals archive ?
From the HOMO-LUMO orbital picture, it is clear that the filled p-orbital (HOMO) and unfilled LUMO are located very close to each other on the molecule making electron transitions very easy.
Three co-ordinate boron possesses an empty p-orbital which should be a powerful