Synthesis and Magnetic Properties of a Copper Cube: [Cu 4 (OH) 4 (C 16 H 18 N 2 ) 4 ] 4+ (ClO 4 ) 4 C 3 H 6 O [C 16 H 18 N 2 =( E )‐1,6‐[Di(pyridin‐4‐yl)hex‐3‐ene]

We are grateful to the National Mass Spectrometry Service Center for mass spectra and to the UK National Crystallography Service for data sets. Supplementary Figure S1-S4: IR and UV/Vis spectra of compound 1