STMBJ Data for the diradicaloid compound R3 used in 10.1002/anie.202410304. Refer to this publication for synthetic details and structural determination. This catalogue entry contains 3- and 2-terminal measurements. EC Gating data are organised in 2 columns, tab separated: tip displacement // conductance. Bias is fixed at 300 mV in these measuremeents. IV data files are organised in 3 columns, tab separated: tip displacement // bias // conductance Stored in plain ASCII format, can be opened with any kind of data analysis software. Any query to andrea.vezzoli@liverpool.ac.uk