Despite this apparent freedom, only two limiting conformations are important: eclipsed conformation and staggered conformation.
dᵻspˈaɪt ðɪs ɐpˈæɹənt fɹˈiːdəm, ˈoʊnli tˈuː lˈɪmɪɾɪŋ kɑːnfoːɹmˈeɪʃənz ɑːɹ ɪmpˈoːɹtənt: ɪklˈɪpst kɑːnfoːɹmˈeɪʃən ænd stˈæɡɚd kɑːnfoːɹmˈeɪʃən.