name = 'NH2' symbol = 'N' mass = 16.022675 color = 'blue' vdW_radius = 0.155000 import numpy b_coherent = (9.300 + 2*(-3.741))*fm b_incoherent = numpy.sqrt(2.241**2 + 2*25.217**2)*fm b_coherent_deut = (9.300 + 2*6.674)*fm b_incoherent_deut = numpy.sqrt(2.241**2 + 2*4.022**2)*fm del numpy