The following are 27Al,
13C, and proton spectra of Aluminum Isopropoxide
obtained by one of our students as part of a project involving the
chemistry of organometallic complexes. At room temperature the
compound is tetrameric.

27 Al Spectrum

13Carbon Spectrum

Proton Spectrum
For more information, see:
Advanced Inorganic Chemistry, 4th ed., 338, 1980, F.A.
Cotton and G. Wilkinson. and J.W. Akitt and R.H. Duncan, J.
Magn. Resonance, 1974, 15, 162.