Manifolds provide a way of grouping
states together. Interacting states (i.e. those
with
perturbations
between them) must be in the same manifold, and it may be convenient to
group related states together (such as a set of vibrational states from
the same electronc state.) Manifolds therefore contain two types of
object,
states and perturbations. To add a new state or
perturnation to a molecule, right-click on
the manifold in the
constants and
select "Add new..."
.