Table 3. Static Conductivities (at 25 °C) Calculated in This Study^a.

system	pore width (nm)	σ0	σ0∥	σ0⊥
water
1 M NaCl		6.91(0.40)
5 nm nanopore	5	2.79(0.48)	3.95(0.71)	0.49(0.05)
3-layer hydrate	0.9	5.20(0.91)	7.73(1.38)	0.14(0.05)
2-layer hydrate	0.6	4.02(0.70)	6.03(1.05)	0.01(0.00)
1-layer hydrate	0.3	0.89(0.14)	1.31(0.21)	0.04(0.00)

^aIn units of Siemens per meter (S m^–1). In confined water systems, results are also presented in directions parallel or normal to the clay surface.