The spelling of the word "Oxyphenon" is phonetically interesting, as it seems to be a combination of two separate words, "oxy" and "phenon". The correct IPA phonetic transcription for "Oxyphenon" would be ɑksiˈfiːnɑn. The stress is on the second syllable, which contains the "i" that represents the schwa sound. The first syllable "oxy" represents the /ɑks/ sound while the second syllable "phenon" represents /fiːnɑn/. Overall, "Oxyphenon" is an interesting word with an unusual spelling, but it can be clearly and accurately transcribed using the principles of phonetics.