It was further suggested to extend the B C N system to quaternary compounds with silicon included.
2.
The best known quaternary compounds are quaternary ammonium salts, having a nitrogen atom at the centre.
3.
Many secondary phases are possible in quaternary compounds like CZTS and their presence can affect the solar cell performance.
4.
A molecular formula shows the number of elements in a molecule, and determines whether it is a binary compound, ternary compound, quaternary compound or has even more elements.
5.
In chemistry, a "'quaternary compound "'is a cation consisting of a central positively charged nitrogen atom with four substituents, especially organic ( alkyl and aryl ) groups, discounting hydrogen atoms.
6.
If a compound exists in salt form, then the INN is the name of the active moiety " unless " it is a quaternary compound, in which case the INN consists of two parts : the cation and the anion name.
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