Sorry for adding confusion- of course in reciprocal space beta* should be
acute. The figures should have been labeled a, c not h,L.
Edward A. Berry wrote:
> Gregory Bowman wrote:
>> Yes, but I don't actually want to swap a and c (convention that a is shorter than c),
>> but instead flip k and keep h and l the same. Incidentally, it is not immediately
>> obvious to me why in matrix I cited below that the new l is h+l:
>> -1 0 0
>> 0 -1 0
>> 1 0 1
>>
>> Greg
>
> Because -a and c would give acute beta angle, by convention should be obtuse?
>
>
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