Samples

Molar formula

Oxygen/Mol (N_O)

Molar mass

(g/mol)

ρ (g/cm³)

Molar volume

(nm)³

$V_{OM}=M/\rho N_A{N}_0^{\ast }$

Calculated oxygen radius (nm)

r_cal(O²⁻)

S1

1Cr₂O₃・44PbO・55P₂O₅

(322)

17,782.8

4.175

0.0219

0.140

S2

2Cr₂O₃・43PbO・55P₂O₅

(324)

17,711.6

4.238

0.0214

0.138

S3

3Cr₂O₃・42PbO・55P₂O₅

(326)

17,640.4

4.134

0.0217

0.139

S4

4Cr₂O₃・41PbO・55P₂O₅

(328)

17,569.2

4.136

0.0215

0.139