ðə tˌɛtɹɐmˈɛɹɪk stɹˈʌktʃɚɹ ɪz ɐ dɪstˈɔːɹɾᵻd kjˈuːbeɪntˈaɪp klˈʌstɚ, wɪð kˈɑːɹbən ænd lˈɪθiəm ˈæɾəmz æɾ ɔːltˈɜːnət kˈɔːɹnɚz.
The tetrameric structure is a distorted cubane-type cluster, with carbon and lithium atoms at alternate corners.