2J geminal				3J vicinal
n	type	phi	J/Hz	n	type	phi	J/Hz
0 1	alkyl vinyl			0 12 34 56	alkyl vinylcis =trans =
4J long range				0 12 34 56	alkyl vinylcis =trans =
0 123	allyl arylW			0 12 34 56	alkyl vinylcis =trans =
0 123	allyl arylW			0 12 34 56	alkyl vinylcis =trans =