ðə baɪflˈʊɹɹaɪd ˈaɪɑːn hɐz ɐ lˈɪnɪɹ, sˌɛntɹəsɪmˈɛtɹɪk stɹˈʌktʃɚ dˈiː ɪnfˈɪnᵻɾi ˈeɪtʃ sˈɪmətɹi, wɪð ɐn ˈɛf mˈaɪnəs ˈeɪtʃ bˈɑːnd lˈɛŋθ ʌv wˈʌnhˈʌndɹɪd fˈoːɹtiːn pˌiːˈɛm.
The bifluoride ion has a linear, centrosymmetric structure (D∞h symmetry), with an F−H bond length of 114 pm.