Dear Users,

I have a question on basis sets.

In the four cases below, is case 1 equivalent to case 2?  Is case 3
equivalent to case 4? If not, then why?

Thank you.


Case 1
%block PAO.Basis
O     2
n=2    0    2
  0.0  0.0
  1.0  1.0
n=2    1    3  P  1
  0.0   0.0   0.0
  1.0   1.0   1.0
%endblock PAO.Basis


Case 2
%block PAO.Basis
O     2
n=2    0    2
  0.0  0.0
  1.0  1.0
n=2    1    3
  0.0   0.0   0.0
  1.0   1.0   1.0
n=3    2     1
  0.0
  1.0
%endblock PAO.Basis


Case 3
%block PAO.Basis
Zn   2
 n=4  0   2  P 1
   0.0  0.0
   1.0  1.0
n=3  2   1
  0.0
  1.0
%endblock PAO.Basis


Case 4
%block PAO.Basis
Zn   2
 n=4  0   2
   0.0  0.0
   1.0  1.0
n=4  1   1
   0.0
   1.0
n=3  2   1
  0.0
  1.0
%endblock PAO.Basis
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