A bis-calix[4]arene-supported [CuII16] cage. - Wilson, Lucinda R. B.; Coletta, Marco; Singh, Mukesh K.; Teat, Simon J.; Brookfield, Adam; Shanmugam, Muralidharan; McInnes, Eric J. L.; Piligkos, Stergios; Dalgarno, Scott J.; Brechin, Euan K. (Dalton Transactions: An International Journal of Inorganic Chemistry, 2023)