30 Aug
                
                    2007
                
            
            
                30 Aug
                
                '07
                
            
            
            
        
    
                6:45 p.m.
            
        Hi Jeff, how do you generate the restraints for the ligand? Could it be that the restraints dictate to co-planarity? In that case, could you try manually removing the unwanted dihedral restraint from the .cif file? Ralf