Discotic Liquid Crystals Based on Cu(I) Complexes with Benzoylthiourea Derivatives Containing a Perfluoroalkyl Chain

Table 2

Temperature dependent X-ray powder diffraction for Cu(I) compounds.

Compound	Mesophase	T (°C)	Indexation	d-spacing observed (Å)	d-spacing calculated (Å)	Lattice parameters (Å)^a
2a	Colh	125	100	26.91	26.91	a = 31.07
			110	15.49	15.54
			200	13.42	13.46
			210	10.04	10.17
			400	6.66	6.73
			Broad^b	4.6	—
2b	Colh	125	100	26.51	26.51	a = 30.61
			110	15.17	15.30
			200	13.18	13.26
			210	10.00	10.02
			300	8.80	8.84
			Broad^b	4.6	—

^aThe Col_h lattice parameter a = 2<d₁₀₀>/√3. ^bBroad peak assigned to molten alkyl chains.