Table 2. Lattice parameters of the columnar phases of compounds 4a and 5a–c .

Compound	T (°C)	Phase a	a, b b (Å)	d 10, d 01, d 20, d 31, d 02 c (Å)
				d 20, d 11, d 21, d 31, d 02, d 40, d 22, d 32, d 51 d (Å)
				d 10, d 11, d 20, d 21 e (Å)
				d 20, d 11, d 51, d 42, d 60 f (Å)
4a	20	Φr-s g	63.4, 35.0	63.5, 35.0, 31.8, 18.1, 17.5 c
	50	Φr-s	85.3, 44.2	42.7, 39.3, 30.7, 23.9, 22.1, 21.3, 19.6, 17.5, 15.9 d
5a	95	Φh	54.4	47.1, 27.2, —, 17.8 e
5b	95	Φh	72.9	63.1, 36.5, —, 23.8 e
5c	25	Φh	85.9	74.4, 42.9, 37.2, 28.1 e
	140	Φr-c	161.3, 78.5	80.9, 70.8, 29.9, 28.2, 26.9 f
5d	30	Φh	60.6	52.5, 30.3, —, 19.8 e
	75	Φh	60.0	51.9, 30.0, —, 19.6 e
5e	30	Φh	68.8	59.7, 34.5, 29.8, 22.5 e

^aPhase notation: Φ_h as columnar hexagonal phase, Φ_r-c as centered rectangular columnar phase, and Φ_r-s as simple rectangular columnar phase.

^bLattice parameters.

^c d-spacing for the Φ_r-s phase.

^d d-spacing for the Φ_r-s phase.

^e d-spacing for the Φ_h phase.

^f d-spacing for the Φ_r-c phase.

^gPhase observed only in the first heating cycle of as-prepared compound.