ɪn kˈɑːntɹæst ðə bˈʌlkiɚ klˈʌstɚ tˈɜːʃjɚɹibjˈuːɾaɪl lˈaɪ fˈoːɹ, wˌɛɹ ˌɪntɚklˈʌstɚɹ ˌɪntɚɹˈækʃənz ɑːɹ pɹɪklˈuːdᵻd baɪ stˈɛɹɪk ɪfˈɛkts, ɪz vˈɑːlɐɾəl æz wˈɛl æz sˈɑːljuːbəl ɪn ˈælkeɪnz.
In contrast the bulkier cluster (tertiary-butylLi)4, where intercluster interactions are precluded by steric effects, is volatile as well as soluble in alkanes.