Table 3. Prediction of mean bond length with and without discrimination for anion coordination number.

	n	Cation + anion radius (Å)	Cation radius + 1.38 (Å)	p-value
Al3+	107	0.96	0.96	0.44
B3+	385	0.96	0.97	0.00
Ba2+	157	0.41	0.41	0.72
Ca2+	106	0.68	0.69	0.38
Cu2+	51	0.80	0.75	0.19
K+	147	0.42	0.46	0.59
Li+	114	0.80	0.80	0.24
Mo6+	230	0.97	0.99	0.02
Na+	242	0.50	0.55	0.55
V5+	116	0.96	0.98	0.13
Zn2+	48	0.90	0.92	0.42
Mean		0.76	0.77	0.33