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The experimental diffraction patterns from Kr cluster beams are compared with the diffraction functions calculated for rare-gas clusters with dimensions of 3×103 and 1×104 atoms/cluster. The experimental results are found to correlate well with the calculation if it is assumed that the clusters have a face-centered cubic structure with a constant number of intersecting stacking faults. Additional confirmation is obtained for the decisive role of the kinetic factor in the formation of the crystalline phase of the clusters. Conjectures are offered concerning the possible reasons why the densitometer traces presented by M-F. de Feraudy, G. Torchet, and B. W. van de Wall at the conference ISSPIC (1998) showed no substantial changes when the cluster size was increased by more than an order of magnitude.

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