For example, NaTl consists of a polymeric anion (—Tl−—)n with a covalent diamond cubic structure with Na+ ions located between the anionic lattice.
fɔːɹ ɛɡzˈæmpəl, nˈɑː tˌiːˈɛl kənsˈɪsts əvə pˌɑːlɪmˈɛɹɪk ˈænaɪən—tˌiːˈɛl mˈaɪnəs—ˈɛn wɪð ɐ kˈoʊvələnt dˈaɪəmənd kjˈuːbɪk stɹˈʌktʃɚ wɪð nˈɑː plˈʌs ˈaɪɑːnz loʊkˈeɪɾᵻd bᵻtwˌiːn ðɪ ˌænaɪˈɑːnɪk lˈæɾɪs.