#	Systems	Stoichiometry	Ref.
1	c4h4	c4h4_2+	-1	1	529.2
2	c2h6	c2h6_2+	-1	1	667.1
3	c2h4	c2h4_2+	-1	1	655.8
4	n2h2	n2h2_2+	-1	1	626.9
5	nh3	nh3_2+	-1	1	776.5
6	ch2o	ch2o_2+	-1	1	747.6
7	h2s	h2s_2+	-1	1	733.0
8	ph3	ph3_2+	-1	1	649.6
9	mg	mg_2+	-1	1	522.1
10	be	be_2+	-1	1	634.8
