The lattice constants (a, c in Å and c/a) of wurtzite GaN and InN structure obtained with the HSE functional method in comparison to experimental and theoretical results from the literature.

Table 2: The lattice constants (a, c in Å and c/a) of wurtzite GaN and InN structure obtained with the HSE functional method in comparison to experimental and theoretical results from the literature.

	a (Å)			c (Å)			*c/a*
	HSE	Th.	Exp.	HSE	Th.	Exp.	HSE	Th.	Exp.
GaN	3.12	3.16 [25]	3.19 [19]	5.06	5.142;5.15 [25,26]	5.189 [19]	1.62	1.63;1.62 [25,26]	1.62 [19]
InN	3.47	3.50 [26]	3.54 [20]	5.54	5.67 [26]	5.71 [20]	1.6	1.61 [26]	1.61 [20]