Fig. 7: NOESY 1H-1H NMR spectra of compounds in d2-tetrachloroethane. a PhM-H(O···O), b PhM(Te···O), c PhM-H(O···C), and d PhM(Te···C).

Relevant NOESY interaction signals are circled as brown between H2 (marked as blue) and H1 (marked as green) in PhM(X···Y) (X = O, Te; Y = O, C); purple between H2 (marked as blue) and H6 (marked as yellow) in PhM-H(O···O) and PhM-H(Te···O); and silver between H2 (marked as blue) and H5 (marked as black) in PhM-H(Te···C) and PhM-H(O···C). Coordinates of the signals are displayed in black brackets, and missing signals are shown as “none”.