Dataset for correlation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mrow><mml:mi mathvariant="bold-italic">γ</mml:mi></mml:mrow></mml:math>-RbAg4I5 between ionic conductivity relaxation and specific heat
Data in brief