Table 7. A priori bond valences (v.u.) for Li₃Nb⁵⁺O₄ .

The subscript br denotes a bridging ion.

	Li	Nb	∑
O1br	−0.042 ×3→	0.708 ×3↓ ×3→	2
O2	0.208 ×5↓ ×5→	0.958 ×3↓	2
∑	1	5