Data files contain the raw data for the Figures in the manuscript and ESI.

Figure 1 contains the UV-Vis absorption XY data for both photostationary states as wavelength (nm), trans-PSS absorption, cis-PSS absorption.

Figure 2 contains the raw SAXS data for the trans-PSS state at 10, 15 and 20 wt%. Columns are q (A^-1), 20 wt%, yError, 10 wt%, y error, 15 wt%, y error.

Figure 3 contains the raw SAXS data for the cis-PSS state at 10, 15 and 20 wt%. Columns are q (A^-1), 20 wt%, yError, 15 wt%, y error, 10 wt%, y error.

Figure S1 contains the UV-Vis absorption XY data for the 100% trans-assembly as wavelength (nm) and absorption.

Figure S2a contains the UV Vis absorption and kinetics of the trans to cis photoisomerisation XY data, as wavelength (nm) and absorption at fixed intervals over 90 seconds.

Figure S2a_inset contains the XY data for the calculated rate constant (trans-cis) as a function of time (s).

Figure S2b contains the UV Vis absorption and kinetics of the cis to trans photoisomerisation XY data, as wavelength (nm) and absorption at fixed intervals over 180 seconds.

Figure S2b_inset contains the XY data for the calculated rate constant (cis - trans) as a function of time (s).

Figure S4a contains the SAXS data for the trans state (20 wt%) as a function of temperature, as q (A^-1), and scattering intensity at T = 20 degrees Celcius, 30 degrees, 40 degrees, 50 degrees, 60 degrees.

Figure S4b contains the DSC XY data for the heat flow thermograms at 20 and 30 wt% across 10-90 degrees Celcius.