Table 1
Geometric parameters characterizing a regular tetrahedron and the corresponding characteristic wave numbers.
See
Fig. 1A
for the definition of the parameters.
Geometric parameter
Relation with
r
in real space
Peak position
k
in reciprocal space
Scaled primary peak position
kr
/2π
L
D
H
4
r
/3
2π/
H
= 3π/2
r
3/4