Doubly negative dianions can form π hole bonds too

An image showing a crystal structure

Source: © Wiktor Zierkiewicz/Wroclaw University of Science and Technology

Researchers report an attractive interaction between two doubly negative dianions for the first time

Scientists have uncovered an unusual attractive interaction between two tetrachloridopalladate (PdCl42–) centres. It’s the first time a π hole bond has been reported for two doubly negative dianions.