Sample

Molar Formula

ρ, (g/cm3)

Molar mass g·mol1

Molar volume (Å3)

VOM = M/[ρNA·NO]

Calculated oxygen radius (Å) rcal (O2)

S1

10CaO∙30ZnO∙15Na2O∙45P2O5

(2.80 ± 0.02)

103.201

21.86

1.40

S2

15CaO∙25ZnO∙15Na2O∙45P2O5

(2.81 ± 0.02)

101.935

21.51

1.39

S3

25CaO∙15ZnO∙15Na2O∙45P2O5

(2.69 ± 0.02)

99.403

21.91

1.40

S4

30CaO∙10ZnO∙15Na2O∙45P2O5

(2.73 ± 0.02)

98.137

21.32

1.39