antidirectional packing

synonym: antiparallel packing
https://doi.org/10.1351/goldbook.14218
In a parallel-chain crystal, the crystalline packing of directional stems with opposite chain axis orientations.
Note: Usually, stems of opposite orientations occur in equal numbers in parallel-chain crystals.
Source:
PAC, 2011, 83, 1831. (Definitions of terms relating to crystalline polymers (IUPAC Recommendations 2011)) on page 1845 [Terms] [Paper]