x =

0.19

D2h12-Pnnm #58

0.22

D2h17-Cmcm #63

0.25

D2h5-Pmma #51

0.28

KxVF3

α (0.167)

α (0.222)

1.007

1.006

1.006

0.991

RbxVF3

α (0.167)

α (0.222)

Α (0.250)

1.005

1.004

0.991

0.992

CsxVF3

α (0.222)

α (0.250)

0.997

0.997

0.998

0.998

KxCrF3

1.027

1.031

1.029

1.031

RbxCrF3

α (0.167)

α (0.222)

α (0.250)

0.991

0.978

0.980

0.994

CsxCrF3

α (0.222)

α (0.250)

0.987

0.986

0.990

0.987