helix pitch

symbol: $p$; unit: $\pu{m}$
https://doi.org/10.1351/goldbook.14209
Distance between successive helical windings projected on the chain axis.
Note: The value of \(p\) is obtained from the equation \[p = \frac{c}{N}\] where \(c\) is the chain identity period and \(N\) is the number of helical windings in \(c\).
Source:
PAC, 2011, 83, 1831. (Definitions of terms relating to crystalline polymers (IUPAC Recommendations 2011)) on page 1841 [Terms] [Paper]