Figure 4
From: Supercritical water anomalies in the vicinity of the Widom line
Average number of hydrogen bonds (〈nHB〉) per water molecule as a function of density. The dashed lines equal to 1.58 indicates the percolation threshold network limit. The filled symbols denote the Widom points. The symbols correspond to experimental result which correspond to the specific density but in different pressure range (from 250 to 1000 bar). The symbols *46, ⋆47 and ×48 refer to a pressure of 250 bar while ◆30 and +34 refer to 1000 bar.
