The thickness (twice 1. moment) of the PB calculates to 50.64624188692431 A. The profile description is:
Parameter:    'scale'    , value=0.142391 +/- 0.000659, bounds=[0.1, 1.5]
Parameter:     'bkg'     , value=2.46769e-07 +/- 5.83e-08, bounds=[1e-08, 5e-05]
Parameter:'sio2 - volfrac solvent', value=0.0871075 +/- 0.0281, bounds=[0.0, 0.1]
Parameter:'polymer - thick', value=11.9783 +/- 3.72 , bounds=[1.0, 15.0]
Parameter:'polymer - rough', value=2.86028 +/- 0.737, bounds=[0.05, 6.0]
Parameter:'polymer - volfrac solvent', value=0.00069551 +/- 0.00048, bounds=[0.0, 0.4]
Parameter:'freeform vfp - adsorbed amount', value=41.6416 +/- 1.19 , bounds=[41.6, 62.0]
Parameter:'freeform vfp - spline dzf[0]', value=0.158223 +/- 0.0282, bounds=[0.001, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[1]', value=0.0109687 +/- 0.00283, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[2]', value=0.127701 +/- 0.0235, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[3]', value=0.0841521 +/- 0.04 , bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[4]', value=0.229253 +/- 0.0188, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[5]', value=0.188361 +/- 0.0691, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline vff[0]', value=0.619752 +/- 0.111, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[1]', value=0.726236 +/- 0.0799, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[2]', value=0.671848 +/- 0.118, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[3]', value=0.37314 +/- 0.0477, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[4]', value=0.287175 +/- 0.0516, bounds=[0.01, 1.0]
Parameter:'solvent - sld', value=6.00076 +/- 0.000666, bounds=[6.0, 6.4]
