NEGATIVE AREA COMPRESSIBILITY

Negative area compressibility in silver(I) tricyanomethanide
S A Hodgson, J Adamson, S J Hunt, M J Cliffe, A B Cairns, A L Thompson, M G Tucker, N P Funnell and A L Goodwin
Chem Comm 50, 5264-5266 (2014)

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The molecular framework Ag(tcm) (tcm = tricyanomethanide) expands continuously in two orthogonal directions under hydrostatic compression. The first of its kind, this negative area compressibility behaviour arises from the flattening of honeycomb-like layers during rapid pressure-driven collapse of the interlayer separation.