Why is Psi talking about "cc" when I asked for "cc-pVXZ"?

Can somebody help me with this:

-----------------------------------------------------------------------
      Psi4: An Open-Source Ab Initio Electronic Structure Package
                           Psi4 1.3.2 release

                     Git: Rev {} zzzzzzz 


R. M. Parrish, L. A. Burns, D. G. A. Smith, A. C. Simmonett,
A. E. DePrince III, E. G. Hohenstein, U. Bozkaya, A. Yu. Sokolov,
R. Di Remigio, R. M. Richard, J. F. Gonthier, A. M. James,
H. R. McAlexander, A. Kumar, M. Saitow, X. Wang, B. P. Pritchard,
P. Verma, H. F. Schaefer III, K. Patkowski, R. A. King, E. F. Valeev,
F. A. Evangelista, J. M. Turney, T. D. Crawford, and C. D. Sherrill,
J. Chem. Theory Comput. 13(7) pp 3185--3197 (2017).
(doi: 10.1021/acs.jctc.7b00174)


                     Additional Contributions by
P. Kraus, H. Kruse, M. H. Lechner, M. C. Schieber, R. A. Shaw,
A. Alenaizan, R. Galvelis, Z. L. Glick, S. Lehtola, and J. P. Misiewicz

-----------------------------------------------------------------------


Psi4 started on: Wednesday, 23 April 2025 01:08PM

Process ID: 845116
Host:       avitalsh-labpc5
PSIDATADIR: /usr/share/psi4
Memory:     500.0 MiB
Threads:    12

==> Input File <==


PSI4 Input File

molecule
{
-1 1
C 0.00000000 0.00000000 -0.21071200
H 0.00000000 1.07423200 -0.20898100
H 0.93031200 -0.53711600 -0.20898100
H -0.93031200 -0.53711600 -0.20898100
Cl 0.00000000 0.00000000 1.86665200
O 0.00000000 0.00000000 -3.21051600
H 0.00000000 0.00000000 -4.15773300
}

set
{
basis cc-pvdz
scf_type df
}

en, wfn = energy(cc-pvdz, return_wfn = True)
nbo = NBOWriter(wfn)
nbo.write(“mo1.37”)
nbo.write(“mo1.39”)


Traceback (most recent call last):
File “/usr/bin/psi4”, line 287, in
exec(content)
File “”, line 32, in

NameError: name ‘cc’ is not defined

Printing out the relevant lines from the Psithon → Python processed input file:
H 0.00000000 0.00000000 -4.15773300
“”“)
core.IO.set_default_namespace(”")
core.set_global_option(“BASIS”, “cc-pvdz”)
core.set_global_option(“SCF_TYPE”, “df”)
→ en, wfn = energy(cc-pvdz, return_wfn = True)
nbo = NBOWriter(wfn)
nbo.write(“mo1.37”)
nbo.write(“mo1.39”)

Psi4 stopped on: Wednesday, 23 April 2025 01:08PM
Psi4 wall time for execution: 0:00:00.00

*** Psi4 encountered an error. Buy a developer more coffee!
*** Resources and help at GitHub - psi4/psi4: Open-Source Quantum Chemistry – an electronic structure package in C++ driven by Python.

Please read our introduction on using Psi. You need to specify the method as the argument to energy, not the basis set. Also, that argument should be in quotation marks, so the code knows that it’s a string.