The catalyst 1, wherein the alkali metal atoms are a mixture of atoms of lithium and at least one atom selected from {HEAD ~ the group} consisting of {TAIL ~ sodium}, potassium, rubidium, cesium and francium 
consisting of
The catalyst 1 , wherein the alkali metal atoms are a mixture of atoms of lithium and at least one atom selected from { HEAD ~ the group } consisting of { TAIL ~ sodium } , potassium , rubidium , cesium and francium
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH