ðɪs ɪz ɛɡzˈækt fɚðə kˈeɪs ʌv mˈɛθeɪn, wˌaɪl lˈɑːɹdʒɚɹ ˈælkeɪnz kəntˈeɪnɪŋ ɐ kˌɑːmbᵻnˈeɪʃən ʌv sˈiː ˈeɪtʃ ænd sˈiː sˈiː bˈɑːndz dʒˈɛnɚɹəli hæv bˈɑːndz ðæt ɑːɹ wɪðˌɪn sˈɛvɹəl dᵻɡɹˈiːz ʌv ðɪs aɪdˈiəlaɪzd vˈæljuː.
This is exact for the case of methane, while larger alkanes containing a combination of C–H and C–C bonds generally have bonds that are within several degrees of this idealized value.