Structural parameters of the modeled MWCNTs.

Multi walled carbon nanotube (length 1 nm)
	Armchair			Chiral			Zigzag
n	4	5	6	4	5	6	4	5	6
m	4	5	6	2	3	3	0	0	0
Atoms	148	183	217	114	146	164	90	110	130
Bonds	204	153	300	155	198	222	117	143	169
Inner radius (Å)	2.714	3.392	4.071	2.073	2.742	3.109	1.567	1.959	2.35
Outer radius (Å)	3.0595	3.737	4.4145	2.4465	3.109	3.4815	1.9585	2.3505	2.742
Outer diameter (Å)	6.119	7.474	8.829	4.893	6.218	6.963	3.917	4.701	5.484
Inner diameter (Å)	5.428	6.785	8.142	4.146	5.484	6.218	3.134	3.917	4.701
Volume (Å)	62.7	77.3	91.6	53	67.5	77.1	43.4	53	62.7
Surface to volume ratio	6	6	6	5.6	5.6	5.6	5.3	5.3	5.3
Radius (I) to volume ratio	0.043285	0.043880	0.044443	0.039113	0.040622	0.040322	0.036105	0.036962	0.037480
Radius (O) to volume ratio	0.048795	0.048344	0.048193	0.046160	0.046059	0.045155	0.045126	0.044349	0.043732