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atomic unit of electric polarizability  Numerical value  1.648 777 274 36 x 10-41 C2 m2 J-1  Standard uncertainty  0.000 000 000 50 x 10-41 C2 m2 J-1   Relative standard uncertainty  3.0 x 10-10  Concise form  1.648 777 274 36(50) x 10-41 C2 m2 J-1       Click here for correlation coefficient of this constant with other constants Source: 2018 CODATA      recommended values  Definition of uncertainty       Correlation coefficient with any other constant