TABLE 1.

Average numbers of intra- and intermolecular hydrogen bonds in the simulated bilayer systems

System	No. (intra)	No. (inter)	No. (solvent)
16:0-SM	138.6 ± 3.0	53.8 ± 5.3	710.5 ± 20.9
18:0-SM	140.1 ± 3.3	65.5 ± 4.6	642.1 ± 20.3
20:0-SM	138.6 ± 3.1	63.9 ± 5.2	657.8 ± 20.0
22:0-SM	140.1 ± 3.1	64.8 ± 6.0	651.3 ± 19.5
24:0-SM	140.1 ± 3.1	59.3 ± 4.5	644.8 ± 20.4
16:1-SM	140.8 ± 3.2	59.9 ± 5.3	693.6 ± 17.5
18:1-SM	140.9 ± 3.2	56.3 ± 4.8	699.5 ± 19.1
20:1-SM	140.2 ± 3.2	59.4 ± 4.8	691.5 ± 16.1
22:1-SM	138.9 ± 2.9	62.4 ± 4.7	689.0 ± 16.6
24:1-SM	138.4 ± 3.0	56.9 ± 4.7	683.0 ± 18.9