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We simulated a 10pc periodic cube of a molecular cloud, beginning from fully developed turbulent initial conditions. We generated the turbulent initial conditions using version 4.2 of the ATHENA code \citep{2005JCoPh.205..509G,2008JCoPh.227.4123G,2008ApJS..178..137S,2009NewA...14..139S}. The turbulent driving was technically similar to that of \citet{2009ApJ...691.1092L}. Briefly, on a $1024^{3}$ grid with domain length 1 we applied divergence-free velocity perturbations at every timestep to an initially uniform medium. The perturbations had a Gaussian random distribution with a Fourier power spectrum   \begin{equation}  \left{|} d {\bf v}_{k}^{2} \right{|} \propto k^-2, k^{-2},  \end{equation}  for wavenumbers $2 < k/2 \pi} < 4$. Similarly to, e.g., \citet{Federrath_2013}, turbulence on smaller length scales was generated self-consistently from the large scale driving. The driving continued until the box reached a saturated state at a Mach number $\scriptstyle{M}$ of roughly 8. During this driving stage we did not include gravitational forces.