Here are a few input examples

Diatomic Nitrogen, N2

The Input Geometry would be:
_ _
_ N N _
_ _

The charge on your molecule, ion, or complex: 0
The multiplicity of your structure: SINGLET

Nitrogen Dioxide, NO2

The Input Geometry would be:
O _
_ N O _
_ _

The charge on your molecule, ion, or complex: 0
The multiplicity of your structure: DOUBLET

Methyl Amine

The Input Geometry would be:
H H
H C N _
H H

Methyl Amine has a charge of zero and is a SINGLET, as are most all organics.

trans-Dichloroethane

The Input Geometry to get the trans conformer would be:
Cl H
H C C H
H Cl

trans-Dichloroethane also has a charge of zero and is a SINGLET.

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