![]() The BMO is created when 2 atomic orbitals from 2 separate atoms overlap. Let’s discuss them in more detail.īonding interactions are constructive interactions among atomic orbitals. This article concerns the bonding and antibonding orbitals of molecules and their differences. Let’s now move on to discuss these types of molecular orbitals.Ĭheck out the complete UPSC Syllabus Different types of molecular orbitalsīased on the atomic orbital interactions, molecular orbitals are classified into three categories. They are bonding and antibonding orbitals. There are two major types of molecular orbitals. ![]() Similar to atomic orbitals, a molecular orbital is filled when it has 2 electrons with opposite spins. A molecular orbital is the region of space where a molecule’s valence electron is most commonly present. Electrons surrounding atoms in molecules have discrete energy levels. The molecular orbital theory (MOT) explains the electron distribution in molecules in the same manner that atomic orbitals describe the electron distribution in atoms. On the other hand, antibonding molecular orbitals don’t contribute to bonding, and hence they are found located external to the bond. The electrons form a covalent linkage when they combine. Bond electrons make up bonding molecular orbitals or BMOs. Bonding and antibonding orbitals are the two categories of molecular orbitals. The overlapping of more than one orbital results in the emergence of molecular orbitals. ![]() It postulates that two atomic orbitals must overlap to establish a molecular bond. The chemical bond shared among the atoms in the molecules is described by the molecular orbital hypothesis.
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