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?
