Are the following equivalent structures for 2,2-dimethylpropane? enter image description here

I think so, because my rendering simply rotates the cross 45 degrees!

Also, regarding 3,3-diethylpentane, are these both equally valid structures? My rendering seems to look way different but filling in the carbons and hydrogens, both appear correct:

enter image description here

  • $\begingroup$ Ah, the swastika molecule … $\endgroup$
    – Jan
    Dec 23, 2016 at 22:15

1 Answer 1


a) yes, those are equivalent structures of 2,2-dimethylpropane

b) yes, those are equivalent structures of 3,3-diethylpentane


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