Identify the symmetry elements of CO2. Then consider CO2 as being made from a carbon atom and an O2. Show whether your f

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Identify the symmetry elements of CO2. Then consider CO2 as
being made from a carbon atom and an O2. Show whether your fragment
orbitals are symmetric or anti-symmetric with respect to each of
these.
Using the symmetry from the previous, identify which fragments
can interact together and construct the corresponding molecular
orbitals. To simplify this process, you can ignore the 2su orbital
from O2.