Solution and solid state studies on the interactions of protonated cytosine salts. III. Interpyrimidine base stacking and asymmetric interbase hydrogen bonding in the structure of 1-methylcytosine hemihydroiodide hemihydrate
✍ Scribed by T.J. Kistenmacher; M. Rossi; J.P. Caradonna; L.G. Marzilli
- Publisher
- Elsevier Science
- Year
- 1979
- Weight
- 594 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0378-4487
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The structural properties of the salts protonated 1-methylcytosine perchlorate and protonated l-benzylcytosine nitrate are reported. In each of the salts, it has been definitively established that N(3) of the cytosine ring is the site of protonation. Cation-anion hydrogen-bonding interactions of the
## Abstract An x‐ray structural study of the 1‐methylcytosine H^+^ complex reveals asymmetrically hydrogen‐bonded dimers which are further stacked such that the molecular overlaps are between charged and neutral bases. This study supports the assignment of the asymmetry in the interbase hydrogen bo