User-friendly nomenclature

Note that the examples selected in the two original nodal nomenclature reports ([19] and [20]) and in the Dyson system [49] reports are all from the much simpler class of alkanes. Moreover, both the nodal and the Dyson systems have an increase in complexity when naming molecules having multiple types of atoms, a disadvantage that the proposed nomenclature system does not have. To the contrary, because atomic symbols are included in the first "layer of information" about a chemical moiety, there is no need to create a second layer of information in which the names of the different atoms are listed. This inclusion of atom symbols immediately makes for a more user-friendly nomenclature, especially for rapidly scanning a name to see whether it is the moiety under consideration. 

CCD is very easy to use and especially valuable for getting an overview of particular compounds or types of compounds, and in teaching applications. The careful selection of references (labelled to show their relevance) and user-friendly nomenclature (with extensive synonym range) takes the user straight to the best literature, and the whole database is kept topical. It is not intended as a comprehensive resource but is often the best place to start the search process. Particularly valuable features are the extensive coverage of CAS numbers and hazard/toxicity information. 

Because one of the motivations in creating the proposed nomenclature system was predicated on its interface with the computer, there is no need for a word-stem, such as the suffix "-nodane" created in nodal nomenclature. If one wishes to make the system more user-friendly, especially for the student user, such a word-stem could easily be included however, a problem with such an inclusion is that it encourages the inclusion of other functionalities so that eventually several of the difficulties that the system has eliminated will be reintroduced. 

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See also in sourсe #XX -- [ , ]

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