QCaml/Utils/Electrons.mli

29 lines
739 B
OCaml

(** Information related to electrons. *)
type t
val make : ?multiplicity:int -> ?charge:int -> Nuclei.t -> t
(** Creates the data relative to electrons for a molecular system
described by {!Nuclei.t} for a given total charge and spin multiplicity.
@param multiplicity default is 1
@param charge default is 0
@raise Invalid_argument if the spin multiplicity is not compatible with
the molecule and the total charge.
*)
val charge : t -> Charge.t
(** Sum of the charges of the electrons. *)
val n_elec : t -> int
(** Number of electrons *)
val n_alfa : t -> int
(** Number of alpha electrons *)
val n_beta : t -> int
(** Number of beta electrons *)
val multiplicity : t -> int
(** Spin multiplicity: {% $2S+1$ %} *)