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Figure 2
Unit-cell projection of the Ca(H2O)4(BF4)2 structure along the a axis, showing the [BF4] tetrahedra in blue forming infinite ribbons extending along [011] by sharing half of their F corners with the [CaO4F4] square antiprisms. This view shows mainly the O—H⋯F inter-ribbon bonding involving the terminal F atoms of the [BF4] tetrahedra (not shared with Ca). |

journal menu![[Figure 2]](vx3013fig2.jpg)
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