The thickness (twice 1. moment) of the PB calculates to 991.7220343839037 A. The profile description is:
Parameter:    'scale'    , value=0.942015 +/- 0.00239, bounds=[0.8, 1.5]
Parameter:     'bkg'     , value=1.37308e-06 +/- 2.28e-07, bounds=[1e-08, 5e-05]
Parameter:'sio2 - volfrac solvent', value=0.0490957 +/- 0.0266, bounds=[0.0, 0.1]
Parameter:'polymer - thick', value=8.56765 +/- 1.94 , bounds=[6.0, 50.0]
Parameter:'polymer - rough', value=2.90785 +/- 0.559, bounds=[0.05, 3.0]
Parameter:'polymer - volfrac solvent', value=0.0704976 +/- 0.021, bounds=[0.0, 0.4]
Parameter:'freeform vfp - adsorbed amount', value=728.541 +/- 6.12 , bounds=[624.8000000000001, 820.05]
Parameter:'freeform vfp - spline dzf[0]', value=0.00494206 +/- 0.0017, bounds=[0.001, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[1]', value=0.242639 +/- 0.0123, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[2]', value=0.0869463 +/- 0.0345, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[3]', value=0.0210526 +/- 0.0035, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[4]', value=0.0121861 +/- 0.00239, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[5]', value=0.0328587 +/- 0.0113, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline vff[0]', value=0.870068 +/- 0.017, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[1]', value=0.851086 +/- 0.00821, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[2]', value=0.999103 +/- 0.00604, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[3]', value=0.063426 +/- 0.029, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[4]', value=0.0282187 +/- 0.0173, bounds=[0.01, 1.0]
Parameter:'solvent - sld', value=6.19389 +/- 0.0019, bounds=[6.0, 6.4]
