# For molecules to be enantiomers, do their bonds have to point the same way?

Enantiomers are non superimposable mirror images. What is bothering me is: If the bonds point different ways are they still considered superimposable and hence enantiomers?

To illustrate, comparing X and XI:

If I flip XI (180 degrees around the vertical axis that runs along the $\ce{C-C}$ bond), I get Y:

Is Y considered non-superimposable on X (and hence is Y e.g. XI an enantiomer of X)?

I would say yes they are non-superimposable, as in X the horizontal groups are pointing out whereas in Y they are pointing into the page (other than this, the groups are in "matching" positions). I don't think that is "superimposable", as the groups would not overlap.

• You think right, they are not superimposable. – Ivan Neretin Dec 9 '16 at 7:51