Akm = {{0, 0, (1/7)*(Ea2 + (3)*(Et1 + Et2))} , 
       {4, 0, (-3/4)*((2)*(Ea2) + Et1 + (-3)*(Et2))} , 
       {4,-4, (-3/4)*((sqrt(5/14))*((2)*(Ea2) + Et1 + (-3)*(Et2)))} , 
       {4, 4, (-3/4)*((sqrt(5/14))*((2)*(Ea2) + Et1 + (-3)*(Et2)))} , 
       {6, 0, (39/280)*((4)*(Ea2) + (-9)*(Et1) + (5)*(Et2))} , 
       {6,-4, (-39/40)*((1/(sqrt(14)))*((4)*(Ea2) + (-9)*(Et1) + (5)*(Et2)))} , 
       {6, 4, (-39/40)*((1/(sqrt(14)))*((4)*(Ea2) + (-9)*(Et1) + (5)*(Et2)))} }