#MD in vacuum, 12 angstrom cutoff &cntrl imin = 0, ntb = 0, igb = 0, ntpr = 100, ntwx = 100, ntt = 3, gamma_ln = 1.0, tempi = 300.0, temp0 = 300.0, nstlim = 100000, dt = 0.001, cut = 12.0 /