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Crystal structure of [Rb(18-crown-6)][SbCl6] under high pressure

What is it about?

The compression behavior of [Rb(18-crown-6)][SbCl6] crystal under high pressure in GPa range was investigated in a diamond anvil cell (DAC). The nonlinear relationship between unit-cell parameters under high pressure is attributed to the influence of reduced intermolecular H⋯Cl contacts under pressure. For the Rb atom to penetrate into the center of the crown ether cavity in [Rb(18-crown-6)][SbCl6], it is necessary to apply a pressure of about 2.5 GPa to disrupt the balance of atomic forces in the crystal.

Why is it important?

This sample serves as a compression model demonstrating the influence of both attractive and repulsive forces on the change in unit-cell parameters under pressure. Of key interest is the tuning of crystal properties under high pressure.

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The following have contributed to this page:
Eduard Rusanov
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