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QCaml/MOBasis/MOBasis.mli
2019-12-03 09:13:57 +01:00

78 lines
1.6 KiB
OCaml

(** Data structure to represent the molecular orbitals.
The MO indices start from 1.
*)
open Lacaml.D
type mo_type =
| RHF | ROHF | UHF | CASSCF | Projected
| Natural of string
| Localized of string
type t
(** {1 Accessors} *)
val simulation : t -> Simulation.t
(** Simulation which produced the MOs *)
val mo_type : t -> mo_type
(** Kind of MOs (RHF, CASSCF, Localized...) *)
val ao_basis : t -> AOBasis.t
(** Matrix of the MO coefficients in the AO basis *)
val mo_occupation : t -> Vec.t
(** Occupation numbers *)
val mo_coef : t -> Mat.t
(** Molecular orbitcal coefficients *)
val eN_ints : t -> NucInt.t
(** Electron-nucleus potential integrals *)
val ee_ints : t -> ERI.t
(** Electron-electron repulsion integrals *)
val kin_ints : t -> KinInt.t
(** Kinetic energy integrals *)
val one_e_ints : t -> Mat.t
(** One-electron integrals {% $\hat{T} + V$ %} *)
val two_e_ints : t -> ERI.t
(** Electron-electron repulsion integrals *)
val f12_ints : t -> F12.t
(** F12 integrals *)
val size : t -> int
(** Number of molecular orbitals in the basis *)
val mo_energies : t -> Vec.t
(** Fock MO energies *)
(** {1 Creators} *)
val make : simulation:Simulation.t ->
mo_type:mo_type ->
mo_occupation:Vec.t ->
mo_coef:Mat.t ->
unit -> t
(** Function to build a data structure representing the molecular orbitals. *)
val of_hartree_fock : HartreeFock.t -> t
(** Build MOs from a Restricted Hartree-Fock calculation. *)
val of_mo_basis : Simulation.t -> t -> t
(** Project the MOs of the other basis on the current one. *)
(** {1 Printers} *)
val pp : ?start:int -> ?finish:int -> Format.formatter -> t -> unit