# CCTRANSORT

Transforms and sorts integrals for CC codes. Called before (non-density-fitted) MP2 and coupled cluster computations.

## General

### AO_BASIS

> The algorithm to use for the \(\left\langle VV||VV \right\rangle\) terms

> - Type: string
> - Possible Values: NONE, DISK, DIRECT
> - Default: NONE

### CACHELEVEL

> Caching level for libdpd

> - Type: integer
> - Default: 2

### DELETE_TEI

> Delete the SO two-electron integrals after the transformation?

> - Type: boolean
> - Default: true

### REFERENCE

> Reference wavefunction type

> - Type: string
> - Default: RHF

### RUN_CCTRANSORT

> Use cctransort module NOTE: Turning this option off requires separate installation of ccsort and transqt2 modules, see http://github.com/psi4/psi4pasture

> - Type: boolean
> - Default: true

### SEMICANONICAL

> Force conversion of ROHF MOs to semicanonical MOs to run UHF-based energies

> - Type: boolean
> - Default: false

## Expert

### WFN

> Wavefunction type

> - Type: string
> - Default: No Default