Lithium in particular has a very rich coordination chemistry in which it exhibits coordination numbers from 1 to 12, although octahedral hexacoordination is its preferred mode.
lˈɪθiəm ɪn pɚtˈɪkjʊlɚ hɐz ɐ vˈɛɹi ɹˈɪtʃ koʊˈɔːɹdᵻnˈeɪʃən kˈɛmɪstɹi ɪnwˌɪtʃ ɪɾ ɛɡzˈɪbɪts koʊˈɔːɹdᵻnˈeɪʃən nˈʌmbɚz fɹʌm wˈʌn tə twˈɛlv, ɔːlðˈoʊ ˌɑːktɐhˈiːdɹəl hˌɛksɐkoʊˈɔːɹdᵻnˈeɪʃən ɪz ɪts pɹɪfˈɜːd mˈoʊd.