Ethane
2
4	C
2	H
8
.5		0		0		4
.8338069	-.9426415	0		2
.8338069	.4713208	.8163515	2
.8338069	.4713208	-.8163515	2
-.5		0		0		4
-.8338069	.9426415	0		2
-.8338069	-.4713208	.8163515	2
-.8338069	-.4713208	-.8163515	2