      t0 = 0
                                dxC30(1,1)=t0

      t0 = 0
                                dxC30(1,2)=t0

      t0 = 12.D0/35.D0*sqrt(pi)/R**2*M*sqrt(7.D0)
                                dxC30(1,3)=t0

      t0 = 0
                                dxC30(1,4)=t0

      t0 = 0
                                dxC30(2,2)=t0

      t0 = 0
                                dxC30(2,3)=t0

      t0 = 0
                                dxC30(2,4)=t0

      t0 = 0
                                dxC30(3,3)=t0

      t0 = 0
                                dxC30(3,4)=t0

      t0 = 0
                                dxC30(4,4)=t0

