Use the logic diagram of Figure 27.2 to determine the point group for allene. Indicate your decision-making process as was done in the text for NH3

1. linear?

2. C_n axis?

3. more than 1C_n axis?

4. more than 1C_n axis, n > 2?

5. σ plane?

6. σŠ¥ to C₂?

Transcribed Image Text:

Linear? Yes No Cn axis? Imverslon center? Yes No Mirror plane? Yes No No Yes Inverslon center? No Yes More than one rotation axis? Yes No More than one C, axis, n» 2? Mirror plane? No Yes Yes No Cs axis? Mirror plane? Cn axis in mirror plane? Yes Yes No Yes No No S axis? Mirror plane perperidicular to č, axis of largest n? D. Inverslon center? Yes No Yes No Yes No Yes No Ca xds? Cn Yes No Yes No Dnh Dnd Mirror plane? Th Yes No Ta