TABLE 2.

Basic parameters given for the inverse hexagonal phase of POPE between 66 and 84°C: amplitudes of the reflections (1,0), (1,1), (2,0), (2,1), and (3,0); the unit cell spacing a; the distance from the center of the rod to the phosphate group R_P; and volume of the lipid molecule, V_L

T (°C)	Amplitudes 1,0; 1,1; 2,0; 2,1; 3,0					a (Å)	RP (Å)	VL (Å3)
66	1.0	0.68	–	–	–	73.6	–	1205
67	1.0	1.11	–	–	–	73.4	–	1205
68	1.0	0.82	0.99	–	–	73.1	20.6*	1205
69	1.0	1.09	0.97	–	–	72.9	21.1*	1205
70	1.0	1.23	0.84	–	–	72.7	21.2*	1210
71	1.0	1.00	0.68	–	–	72.5	20.6*	1210
72	1.0	0.96	0.83	–	–	72.3	20.4*	1210
73	1.0	0.95	0.74	–	–	72.4	20.4*	1210
74	1.0	0.98	0.76	0.29	0.30	72.4	21.2	1210
75	1.0	0.97	0.76	0.14	0.20	72.3	19.9	1210
76	1.0	0.98	0.76	0.18	0.27	72.1	20.5	1215
78	1.0	0.97	0.75	0.14	0.32	71.8	20.2	1215
80	1.0	0.96	0.74	0.13	0.18	71.4	19.5	1215
84	1.0	0.98	0.75	0.19	0.26	70.6	19.9	1220

^*Values have been scaled up as described in the data analysis section.