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Showing papers by "Edwin E. Budzinski published in 1968"


Journal ArticleDOI
TL;DR: In this paper, a single crystal of thiodiglycollic acid was irradiated at 4.2°K and examined by ESR and ENDOR spectroscopy.
Abstract: Single crystals of thiodiglycollic acid were irradiated at 4.2°K and examined by ESR and ENDOR spectroscopy. The paramagnetic absorption consists of two components which are attributed to positive and negative ions of thiodiglycollic acid. The negative ion is formed by electron attachment to an oxygen of the carboxyl group. The unpaired spin density is localized primarily on the carbon atom of the carboxyl group. The positive ion has its charge and unpaired spin density localized primarily on the sulfur atom.

25 citations


Journal ArticleDOI
TL;DR: The negative ions produced by x irradiation at 4.2°K were studied by electron spin resonance (ESR) spectroscopy and some predictions concerning the crystal structure of dimethylthiourea are made from ESR data.
Abstract: The positive and negative ions of thiourea, allylthiourea, and dimethylthiourea produced by x irradiation at 4.2°K were studied by electron spin resonance (ESR) spectroscopy. The g tensors for the positive ion absorptions were measured in single crystals and correlated with the molecular structure of thiourea and allylthiourea. Some predictions concerning the crystal structure of dimethylthiourea are made from ESR data. The g shift associated with the negative ion is small compared with that of the positive ion. The spectra of the aforementioned planar molecules contrast sharply with the spectra obtained from irradiated tetramethylthiourea and dibenzylthiourea, which are nonplanar molecules.

3 citations