organic chem - structure

[joonkimdds]

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what is the relationship between the two structures shown?

a) constitutional isomers
b) enentiomers
c) different drawings of the same conformation of the same compound
d) resonance forms of the same compound
e) diastereomers

I think the answer should be diastereomers because Kaplan says diastereomers is nonmirror image stereoisomer. They have the same molecular formula but they are nonmirror image(mirror image is like left hand and right hand) so aren't they diastereomers?

 

[cdmOMR]

what is the relationship between the two structures shown?

a) constitutional isomers
b) enentiomers
c) different drawings of the same conformation of the same compound
d) resonance forms of the same compound
e) diastereomers

I think the answer should be diastereomers because Kaplan says diastereomers is nonmirror image stereoisomer. They have the same molecular formula but they are nonmirror image(mirror image is like left hand and right hand) so aren't they diastereomers?

Same molecule only rotated 90* I believe. Make a model you will see.

 

[djeffreyt]

they are the same atom, the connectivity has not changed at all. The molecule is just being viewed from a slightly different perspective.