QCaml/Utils/Electrons.mli

22 lines
683 B
OCaml

(** Information related to electrons. *)
type t = {
n_alpha : int ; (** Number of alpha electrons *)
n_beta : int ; (** Number of beta electrons *)
multiplicity : int ; (** Spin multiplicity: 2S+1 *)
}
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. *)