What is the electron domain geometry and bond angle of a molecule with 5 domains?
Trigonal Bipyramidal; 120 & 90 degrees
A molecule with 5 domains can have different electron domain geometries depending on the types of domains present. Here are the possible electron domain geometries and bond angles for a molecule with 5 domains:
1. Trigonal bipyramidal: This geometry arises when there are 5 electron domains around the central atom, including 3 bonding domains and 2 nonbonding domains. The bond angles in this case are 90° between the equatorial positions and 120° between the axial and equatorial positions.
2. Octahedral: This geometry arises when there are 6 electron domains around the central atom, including 4 bonding domains and 2 nonbonding domains. The bond angles in this case are 90° between all positions.
It is important to note that the actual electron domain geometry of a molecule can be different from its molecular geometry, which takes into account the presence of lone pairs and their effect on the position of bonded atoms. Therefore, it is necessary to determine the molecular geometry of the molecule as well.
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