wˌɛn tɹˈiːɾᵻd wɪð wˈʌn ɪkwˈɪvələnt ʌv sˌiːpˈiː tˈuː zˌiːˈɑːɹ sˌiːˈɛl ˈeɪtʃ, dɪfˌiːnaɪlɐsˈɛɾɪlˌiːn ɡˈɪvz ðə kˌɔːɹɪspˈɑːndɪŋ ˌælkənˌɪlzɚkˈoʊniəm æz ɐ mˈɪkstʃɚɹ ʌv sˈɪs ænd tɹˈænz ˈaɪsəmɚz.
When treated with one equivalent of Cp2ZrClH, diphenylacetylene gives the corresponding alkenylzirconium as a mixture of cis and trans isomers.