The thickness (twice 1. moment) of the PB calculates to 58.65652892470231 A. The profile description is:
Parameter:    'scale'    , value=1.0363 +/- 0.0025, bounds=[0.8, 1.5]
Parameter:     'bkg'     , value=7.40921e-07 +/- 3.06e-07, bounds=[1e-08, 5e-05]
Parameter:'sio2 - volfrac solvent', value=3.8756e-07 +/- 1.32e-06, bounds=[0.0, 0.1]
Parameter:'polymer - thick', value=8.84344 +/- 2.55 , bounds=[1.0, 50.0]
Parameter:'polymer - rough', value=4.73022 +/- 0.959, bounds=[0.05, 6.0]
Parameter:'polymer - volfrac solvent', value=0.139943 +/- 0.0304, bounds=[0.0, 0.4]
Parameter:'freeform vfp - adsorbed amount', value=35.9776 +/- 2.03 , bounds=[26.400000000000002, 43.0]
Parameter:'freeform vfp - spline dzf[0]', value=0.239404 +/- 0.0489, bounds=[0.001, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[1]', value=0.235153 +/- 0.0641, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[2]', value=0.214679 +/- 0.0485, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[3]', value=0.0388063 +/- 0.0308, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[4]', value=0.169692 +/- 0.0847, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[5]', value=0.184976 +/- 0.0444, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline vff[0]', value=0.369541 +/- 0.055, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[1]', value=0.52727 +/- 0.133, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[2]', value=0.388988 +/- 0.0896, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[3]', value=0.983437 +/- 0.143, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[4]', value=0.00202329 +/- 0.00521, bounds=[0.0, 1.0]
Parameter:'solvent - sld', value=6.18145 +/- 0.00262, bounds=[6.0, 6.4]
