Table 1.   The 21 fluorine compounds considered for super greenhouse warming CF3CF3 CF3CF2CF3 CF3NF2 CF3CF2NF2 CF3NFCF3 SF5CF3 CF3OCF3 CF3SCF3 SF4(CF3)2 CF3OCF2CF3 CF3SCF2CF3 SF3(CF3)3 CF3OCF2NF2 CF3SCF2NF2 SF2(CF3)4 CF3OCF2OCF3 CF3SCF2SCF3 SF(CF3)5 CF3OCF2SCF3 CF3OCF2NFCF3 S(CF3)6 Of 10 calibrants (see text), only SF6 was chosen as an optimal warmer.