Glass sample code	Starting oxide mixtures mol %				ρ (g∙cm⁻³) (±0.01)	Molar mass (g∙mol⁻¹)	Molar volume (Å3) Vo_M = M/[ρ N_A No*]	Calculated oxygen radius (Å) r_cal (O²⁻)
Glass sample code	P₂O₅	CaO	Na₂O	TiO₂	ρ (g∙cm⁻³) (±0.01)	Molar mass (g∙mol⁻¹)	Molar volume (Å3) Vo_M = M/[ρ N_A No*]	Calculated oxygen radius (Å) r_cal (O²⁻)
48T05	48	30	21.5	0.5	2.57	98,719	21.81	1397
48T10	48	30	21	1	2.59	98,809	21.58	1392
48T15	48	30	20.5	1.5	2.60	98,898	21.52	1390
48T20	48	30	20	2	2.61	98,988	21.40	1388
48T25	48	30	19.5	2.5	2.59	990,775	21.55	1391
48T30	48	30	19	3	2.58	101,564	22.13	1403