Table 1 Ambiguous SMARTS for transfermium element symbols officially named since 1997
From: Technical implications of new IUPAC elements in cheminformatics
Ambiguous SMARTS | Element name | Element SMARTS | Expression meaning | Expression SMARTS |
|---|---|---|---|---|
[No] | Nobelium | [#102] | Aliphatic nitrogen and aromatic oxygen (logically impossible) | – |
[Db] | Dubnium | [#105] | Aromatic boron with on explicit bond (possible on fragment matching) | [D&b] or [bD] |
[Bh] | Bohrium | [#107] | Aliphatic boron with at least one implicit hydrogen | [B&h] or [hB] |
[Hs] | Hassium | [#108] | Aromatic sulfur with one explicit hydrogen | [H&s] or [sH] |
[Ds] | Darmstadtium | [#110] | Aromatic sulfur with one explicit bond (possible on fragment matching) | [D&s] or [sD] |
[Cn] | Copernicium | [#112] | Aliphatic Carbon and aromatic nitrogen (logically impossible) | – |
[Nh] | Nihonium | [#113] | Nitrogen with at least one implicit hydrogen | [N&h] or [hN] |