Formula

Block Type

TM/O

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Golden Mean Formula

Nb₁₂WO₃₃

3 × 4

13/33 = 0.393939

5.077

TM₁₃O₃₄

Nb₁₄W₃O₄₄

4 × 4

34/88 = 0.386363

5.176

TM₃₄O₈₉

Nb₁₆W₅O₅₅

4 × 5

21/55 = 0.381818

5.231

Nb₁₆W_4.979Ti_0.0213O_54.979

Nb₁₈W₈O₆₉

5 × 5

13/34.5 = 0.37681

5.308

Nb₁₈W_7.07Ti_0.93O_68.07

Nb₁₈W₁₆O₉₃

5 × 5

34/93 = 0.365591

5.000

Nb₁₈W₁₂Ti₄O₈₉