|
Figure 5
The crystal structures of (a) hP14-W2B5, (b) hP14′ -W2B5 and (c) hR21-W2B5. Blue and pink spheres represent W and B atoms, respectively. A, B, C, K, K′, K′′, L, L′ and L′′ indicate the different layer types in the packing, as discussed in the text. |