The thickness (twice 1. moment) of the PB calculates to 368.91359863919854 A. The profile description is:
Parameter:    'scale'    , value=0.731434 +/- 0.00247, bounds=[0.6, 1.5]
Parameter:     'bkg'     , value=1.90947e-06 +/- 1.34e-07, bounds=[1e-08, 5e-05]
Parameter:'sio2 - volfrac solvent', value=0.099803 +/- 0.00709, bounds=[0.0, 0.1]
Parameter:'polymer - thick', value=27.6103 +/- 1.89 , bounds=[10.0, 50.0]
Parameter:'polymer - rough', value=3.95634 +/- 0.857, bounds=[0.05, 10.0]
Parameter:'polymer - volfrac solvent', value=0.136282 +/- 0.00524, bounds=[0.0, 0.4]
Parameter:'freeform vfp - adsorbed amount', value=273.472 +/- 1.35 , bounds=[236.0, 325.0]
Parameter:'freeform vfp - spline dzf[0]', value=0.00174247 +/- 0.00236, bounds=[0.001, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[1]', value=0.217091 +/- 0.0137, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[2]', value=0.0212138 +/- 0.00327, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[3]', value=0.0235446 +/- 0.00567, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[4]', value=0.0245821 +/- 0.00488, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline dzf[5]', value=0.162526 +/- 0.0266, bounds=[0.01, 0.24285714285714285]
Parameter:'freeform vfp - spline vff[0]', value=0.844731 +/- 0.00515, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[1]', value=0.980424 +/- 0.00317, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[2]', value=0.850457 +/- 0.0503, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[3]', value=0.428017 +/- 0.0991, bounds=[0.01, 1.0]
Parameter:'freeform vfp - spline vff[4]', value=0.0241747 +/- 0.0146, bounds=[0.01, 1.0]
Parameter:'solvent - sld', value=6.05433 +/- 0.00329, bounds=[6.0, 6.4]
