FIGURE 1. Versatility of Takamizawa and colleagues' porous coordination polymer3.

From the following article:

Physical chemistry: Gas in a straitjacket

Susumu Kitagawa

Nature 441, 584-585(1 June 2006)

doi:10.1038/441584a

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Coordination polymers provide nanometre-sized vessels to accommodate paramagnetic and/or dipolar molecules in low-dimensional arrays. Their flexible framework means that the host polymers can change their form to better suit their guests, allowing molecular configurations of gas molecules to be created — and subsequently readily released — without the need for extreme temperatures or pressures.

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