Zeolite CIT-5 (CFI structure) molecular sieve
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Zeolite CIT-5 (CFI structure) molecular sieve
CIT-5 molecular sieve, molecular formula (SI32O64) is a new type of ultra-large pore high-silica molecular sieve. It belongs to the orthorhombic system. It contains a one-dimensional 14-membered ring super-large channel, and the free size of the channel is 7.2*7.5A.
The basic structural unit of CIT-5 can also be regarded as a zigzag ladder-like chain composed of 4-membered rings shared in a zigzag shape, and 5-membered ring units are suspended on the chain. These building blocks are connected by zigzag chains to form a three-dimensional backbone structure.
