Table 1.

Orientational Shannon entropies of the five water models

water models		S[t1,t2]	S[t1,χ1]	S[t1,χ2]	S[χ1,χ2]	S[t1]	S[χ1]
Shell1	TIP4P	−1.33	−1.21	−1.15	−1.02	−0.34	−0.29
	SPC	−1.67	−1.28	−1.24	−0.89	−0.50	−0.27
	TIP3P	−1.65	−1.16	−1.14	−0.74	−0.47	−0.23
	SPC/E	−1.70	−1.32	−1.29	−0.94	−0.51	−0.29
	TIP4P-Ew	−1.44	−1.29	−1.23	−1.05	−0.39	−0.30
Shell2	TIP4P	−0.59	−0.44	−0.46	−0.38	−0.10	−0.10
	SPC	−0.69	−0.42	−0.46	−0.30	−0.11	−0.09
	TIP3P	−0.60	−0.29	−0.34	−0.18	−0.09	−0.06
	SPC/E	−0.71	−0.46	−0.50	−0.33	−0.13	−0.10
	TIP4P-Ew	−0.68	−0.51	−0.53	−0.38	−0.12	−0.12
Shell3	TIP4P	−0.010	−0.007	−0.002	−0.003	−0.001	−0.000
	SPC	−0.014	−0.007	−0.005	−0.001	−0.002	−0.000
	TIP3P	−0.015	−0.003	−0.003	−0.001	−0.002	−0.000
	SPC/E	−0.013	−0.007	−0.005	−0.003	−0.001	−0.000
	TIP4P-Ew	−0.012	−0.007	−0.004	−0.001	−0.001	−0.000

Note: $t=\frac{\pi }{2}(\mathit{\text{cos}}(\theta )+1)$, all these entropies are unitless.