The thickness (twice 1. moment) of the PB calculates to 105.17712653187992 A. The profile description is:
Parameter:    'scale'    , value=0.904774 +/- 0.00193, bounds=[0.1, 1.5]
Parameter:     'bkg'     , value=1.10765e-06 +/- 4.04e-07, bounds=[1e-08, 5e-05]
Parameter:'sio2 - volfrac solvent', value=0.0839371 +/- 0.0177, bounds=[0.0, 0.1]
Parameter:'polymer - thick', value=18.9526 +/- 0.57 , bounds=[2.0, 20.0]
Parameter:'polymer - rough', value=0.419055 +/- 0.228, bounds=[0.05, 1.0]
Parameter:'polymer - volfrac solvent', value=0.385235 +/- 0.013, bounds=[0.0, 0.4]
Parameter:'freeform vfp - spline dzf[0]', value=0.0108424 +/- 0.00448, bounds=[0.001, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[1]', value=0.0102 +/- 0.00655, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[2]', value=0.0283984 +/- 0.0138, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[3]', value=0.0190863 +/- 0.015, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[4]', value=0.129187 +/- 0.0389, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[5]', value=0.13671 +/- 0.0358, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline vff[0]', value=0.751578 +/- 0.099, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[1]', value=0.506709 +/- 0.0647, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[2]', value=0.94201 +/- 0.064, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[3]', value=0.646612 +/- 0.0749, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[4]', value=0.139027 +/- 0.0314, bounds=[0.01, 1.0]
Parameter:'solvent - sld', value=6.35337 +/- 0.000839, bounds=[6.0, 6.4]
