Counts of all walks as atomic and molecular descriptors.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Authors

A family of graph theoretical descriptors for atoms and for molecules is introduced: the counts of all walks of increasing length (all walks as opposed to self-returning walks and to paths). These descriptors, while extremely easily calculated by a Morgan-type summation procedure, exhibit high discriminating power among isomers and among structural situations of atoms. A systematic search for degeneracies is performed within tree graphs. The walk-based topological index twe (total walk count) is less degenerate than Balaban's J, and a code for graphs based on all walks seems to be more discriminating than Trinajstić's OSC (ordered structural code). The new descriptors are successfully used as alternative variables in the description of 13C NMR data for usual and highly branched alkanes.

OriginalspracheEnglisch
ZeitschriftJournal of Chemical Information and Computer Science
Jahrgang33
Ausgabenummer5
Seiten (von - bis)683-695
Anzahl der Seiten13
DOIs
PublikationsstatusErschienen - 01.09.1993
Extern publiziertJa

DOI

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