 (distance units)
               (5) delta shift distance (distance units)
          nonlinear
               (1) epsilon (energy units)
               (2) r0 (distance units)
               (3) lamda (distance units)
          class2
               currently not enabled for &quot;bond coeff&quot; command
               must be specified in data file (see &quot;read data&quot; command)

define (or override) bond coefficients for an individual bond type
use appropriate number of coeffs for a particular style