I'm not sure what to circle because I don't know if the orientation of the things matter.
>>53456
>I don't know if the orientation of the things matter
Of course it does, the question is just asking about repeating, it'd mention transformation if you could change the orientation of the cell.
>>53636
So would the unit cells be the 8 atoms in the two columns?
>>53660
if you only allow translations (copying the cell without rotating it) then yes, in both cases.
>>53927
Thanks.
