Metal nickel-imidazolate chiral nano clathrate complex and preparation method thereof

A metal nickel-imidazolate chiral nano clathrate complex, comprising the formula:

• [Ni14(Im)24].4NO3, wherein Im is N-1-methyl-(4-imidazole) methylene imine;
• wherein crystals of the metal nickel-imidazolate chiral nano clathrate complex belong to a cubic crystal system, space group is P432, cell parameters are a=b=c=16.2323(5) Å (angstrom), α=β=γ=90°, and V=4277.0(2) Å3;
• wherein two crystals of asymmetric nickel atoms respectively adopts a six-coordinate octahedral configuration and a four-coordinate square-planar configuration;
• a nickel-imidazolate chiral nano clathrate complex having O symmetry is formed through chelation of 24 Im ligands and 14 metal nickel ions, and bridging ligands, the size of the nickel-imidazolate chiral nano clathrate complex is 1.5 nm (nanometer);
• a Λ chiral configuration is constructed by chelated nickel ions and Im ligands;
• and
• the polyhedral structure of the metal nickel-imidazolate chiral nano clathrate complex is shown to be a 24-face configuration.