Fig. 4: Pair Distribution Function results obtained from neutron diffraction of D2O.
From: Colossal barocaloric effect in GdCl3-doped H2O for sustainable cooling
a PDF results obtained at 180, 230, and 300 K. b Enlarged view of the low distance area of a. Illustration of diverse atom pairs marked with different colors in c ice phase and d liquid water. Blue: (3) O-D, yellow: (4) D-D, and purple: (5) O-O. Right side shows four unit cells. (red ball and white ball denote O and H atom, respectively). e Illustration of the dynamics of two neighboring molecules from ice to water.
