Final answer:
The reducible representation for 1,1,2,2-tetraiododisilane can be determined using the molecule's symmetry operations.
Step-by-step explanation:
The reducible representation for a molecule is a way to describe how the molecular orbitals transform under the symmetry operations of the molecule. To determine the reducible representation of 1,1,2,2-tetraiododisilane, we need to consider the symmetry elements of the molecule and apply them to the atomic orbitals.
1,1,2,2-tetraiododisilane has a C2 molecular symmetry axis. The symmetry operations for C2 include the identity operation (E), a C2 rotation, and two σ axis reflections (σv and σv'). When we apply these symmetry operations to the atomic orbitals of the molecule, we can determine the reducible representation.
For a more detailed explanation and step-by-step calculation of the reducible representation of 1,1,2,2-tetraiododisilane, please refer to a textbook or consult with your instructor.