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1 H spin-lattice relaxationtimes T 1  have been measured on alcohols, ethers, acetylacetone and cyclohexandione-1,3, solved in CCl 4  and pure. The relaxationtime T 1  increases characteristically with decreasing chain length, molecular size and viscosity, as well as with the distance from the OH-group and CCl 4  dilution. Segmental motions and the breaking of hydrogen bondings are determined as the reason of this behaviour. Deuteron substitution and T 1  measurements at different temperatures show that the dipol-dipol interaction is the predominant mechanism of relaxation.

1 H Spin-Gitter-Relaxationszeitmessungen an Alkoholen / 1 H Spin-Lattice Relaxationtime Measurements on Alcohols