What Structural Configuration Explains 10 Identical Hydrogens in C8H18O?

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The discussion centers on identifying an organic compound with the molecular formula C8H18O, which has a mass of approximately 130 amu and contains at least one -OH group. The proton NMR data shows integration values of 1:2:2:3:10, raising questions about the structural configuration that could account for 10 identical hydrogens. The complexity of the NMR data, including potential j-splitting and corresponding chemical shifts, is crucial for determining the compound's structure. Participants are encouraged to analyze the NMR peaks and shifts to clarify the integration pattern. Understanding these details is essential for resolving the mystery of the compound's identity.
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I am attempting to identify an organic "mystery compound." Having run both IR and mass spectrometry, I conjecture that the compound has a molecular mass of ~130 amu and possesses at least one -OH group. C8H18O fits this profile nicely, but no isomers of which I can conceive are commensurate with the proton NMR data, which yields the following integration values: 1:2:2:3:10. Once again, this corroborates the proposed empirical formula, but what sort of structural configuration gives 10 identical hydrogens??
 
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9 would be obvious, no idea for 10.

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Does you NMR data include j-splitting information? Is that 10-proton region split into a mess of peaks? What are the chemical shifts that correspond to the 1:2:2:3:10 pattern?
 

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