nh

nh

Syntax:

nh=m

The 'nh' keyword is shorthand for explicitly specifying the number of attached hydrogens to the target atom or a bound atom. It is equivalent to '-H(n=m)'.

For example:

Table 8.9. NETA keyword 'nh' examples

CommandMeaning
-C(nh=2)Atom is bound to a methylene carbon with exactly two hydrogens on it