clathrate crystal

clath·rate crys·tal

latticelike arrangement of molecules of one substance surrounding molecules of another substance.
References in periodicals archive ?
Gas hydrates are solid crystalline compounds, in which gas molecules are lodged within the clathrate crystal lattice [8].
It docs this by introducing a gas that fits into the ice crystal structure, in place of part of the water, to form the clathrate crystals. When the ice melts, the gas is recovered and recycled.
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