Shown above are the radial profiles (across and down) of density (panel a), pressure (panel b), gas temperature (panel c), velocity (panel d), and enclosed mass (panel e) as well as the thermal structure (panel f), Mach number (panel g), ratio of gas to ram pressure (panel h), internal energy density as a function of temperature (panel i), optical depth (panel j), Rosseland mean opacity (panel k), and dissociation fraction at the snapshot after second core formation (panel l). Different colours indicate clouds with different initial masses as seen in the colour bar. The grey lines in the thermal structure plot show the 50% dissociation and ionization curves according to Eqs. (16) and (17).