[4,4'-di-tert-Butyl-2,2'-bipyridine][bis[5-(tert-butyl)-2-[4-(tert-butyl)-2-pyridinyl-kn]phenyl-kc]iridium(III) hexafluorophosphate

for the following products Iridium(1+),[4,4'-bis(1,1-dimethylethyl)-2,2'-bipyridine-êN1,êN1']bis[5-(1,1-dimethylethyl)-2-[4-(1,1-dimethylethyl)-2-pyridinyl-êN]phenyl-êC]-,(OC-6-33)-,hexafluorophosphate(1-) and [4,4'-di-tert-Butyl-2,2'-bipyridine][bis[5-(tert-butyl)-2-[4-(tert-butyl)-2-pyridinyl-kn]phenyl-kc]iridium(III) hexafluorophosphate