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