Akm = {{0, 0, (1/7)*(Eau + (3)*(Etu1 + Etu2))} , 
       {4, 0, (-3/4)*((2)*(Eau) + (-3)*(Etu1) + Etu2)} , 
       {4,-4, (-3/4)*((sqrt(5/14))*((2)*(Eau) + (-3)*(Etu1) + Etu2))} , 
       {4, 4, (-3/4)*((sqrt(5/14))*((2)*(Eau) + (-3)*(Etu1) + Etu2))} , 
       {6, 0, (39/280)*((4)*(Eau) + (5)*(Etu1) + (-9)*(Etu2))} , 
       {6,-2, (429/40)*((1/(sqrt(7)))*(Mtu))} , 
       {6, 2, (429/40)*((1/(sqrt(7)))*(Mtu))} , 
       {6,-4, (-39/40)*((1/(sqrt(14)))*((4)*(Eau) + (5)*(Etu1) + (-9)*(Etu2)))} , 
       {6, 4, (-39/40)*((1/(sqrt(14)))*((4)*(Eau) + (5)*(Etu1) + (-9)*(Etu2)))} , 
       {6,-6, (-39/8)*((sqrt(11/35))*(Mtu))} , 
       {6, 6, (-39/8)*((sqrt(11/35))*(Mtu))} }