CCL:G: SCF convergence problem with M06L functional in Gaussian 09

From: "Guzman, Francisco" <fg58^njit.edu>
Subject: CCL:G: SCF convergence problem with M06L functional in Gaussian 09
Date: Fri, 26 Feb 2016 08:31:16 -0500

What is the error? Error termination L9999? Can you post your input file as
 well.
 On Fri, Feb 26, 2016 at 12:12 AM, Bulumoni Kalita bulumoni:dibru.ac.in <
 owner-chemistry- -ccl.net> wrote:
 >
 > Sent to CCL by: "Bulumoni  Kalita" [bulumoni- -dibru.ac.in]
 > Dear CCL users,
 >        I have optimized tetrahedral structure of Pd4 cluster in
 > (UB3LYP/LANL2DZ) level in Gaussian 09. I wanted to repeat the calculation
 > in (UM06L/LANL2DZ) level.  However, SCF is not converging in this case.
 > Rather it is fluctuating between to range of values.  I have tried using
 > SCF(xqc, maxcycle=500), opt(maxcycle=500) etc.
 >
 > Please give your valuable suggestions to overcome this problem.>
 >
 >
 --
 Francisco Guzman
 PhD Candidate
 Otto H. York Department of Chemical, Biological and Pharmaceutical
 Engineering
 New Jersey Institute of Technology
 Email: fg58- -njit.edu, guzman.research- -gmail.com
 Cell: 347-806-3977