what is this molecule called, a cyclohexane ring with a CH2 group coming off of it? C7H14 Similar in structure to a benzyllic radical without the pi bonds.

The molecule you are describing is called cyclohexylmethane. It consists of a cyclohexane ring with a CH2 group (also known as a methylene group) attached to it. Its chemical formula is C7H14.

To determine the name of this molecule, we can follow a few steps:

1. Identify the parent hydrocarbon: The parent hydrocarbon is cyclohexane, which is a six-membered ring with all carbon atoms saturated with hydrogen atoms.

2. Determine the substituent: The substituent in this case is the CH2 group attached to the cyclohexane ring.

3. Combine the name of the substituent with the name of the parent hydrocarbon: In this case, the substituent is called "methyl," but since it is directly connected to the ring, we change the "yl" ending to "yl" and name it "cyclohexyl." Therefore, we get "cyclohexylmethane" as the name of the molecule.

This molecule is indeed similar in structure to a benzyllic radical, which also has a phenyl group (C6H5) attached to a methylene group. The main difference is that cyclohexylmethane does not have the pi bonds present in a benzyllic radical.