      t0 = 0
                                dxC22(1,1)=t0

      t0 = 0
                                dxC22(1,2)=t0

      t0 = 0
                                dxC22(1,3)=t0

      t0 = 4.D0/15.D0*M*sqrt(30.D0)*sqrt(pi)/R**2
                                dxC22(1,4)=t0

      t0 = 0
                                dxC22(2,2)=t0

      t0 = 0
                                dxC22(2,3)=t0

      t0 = cmplx(0.D0,-4.D0/15.D0)*sqrt(pi)/R**2*M*sqrt(30.D0)
                                dxC22(2,4)=t0

      t0 = 0
                                dxC22(3,3)=t0

      t0 = 0
                                dxC22(3,4)=t0

      t0 = 0
                                dxC22(4,4)=t0

