halogen bond
occurs when there is evidence of a net attractive interaction between an electrophilic region associated with a halogen atom in a molecular entity and a nucleophilic region in another, or the same, molecular entity
en-US/ˈhæləd͡ʒən ˈbɑnd/
en-GB/ˈhæləd͡ʒən ˈbɒnd/