def printBond(bond):
    """Generate bond line

    Parameters
    ----------
    bond : Bond Object
        Bond Object

    Returns
    -------
    bondLine : str
        Bond line data
    """

    R0 = 0.1*bond.R0
    K0 = bond.K0*836.80

    return '<Bond class1=\"%s\" class2=\"%s\" length=\"%0.6f\" k=\"%0.6f\"/>\n' % (bond.atomA.type_q, bond.atomB.type_q, R0, K0)