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QCaml/particles/lib/electrons.mli

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(** Information related to electrons. *)
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open Common
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type t
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val make : int -> int -> t
(** make [n_alfa] [n_beta] *)
val of_atoms : ?multiplicity:int -> ?charge:int -> Nuclei.t -> t
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(** 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.
*)
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val charge : t -> Charge.t
(** Sum of the charges of the electrons. *)
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val n_elec : t -> int
(** Number of electrons *)
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val n_alfa : t -> int
(** Number of alpha electrons *)
val n_beta : t -> int
(** Number of beta electrons *)
val multiplicity : t -> int
(** Spin multiplicity: {% $2S+1$ %} *)