Having gained chemical understanding at molecular level, chemistry graduates may choose to apply this knowledge in almost unlimited ways, as it can be used to analyze all matter and therefore our entire environment. 1111-67-7, Name is Cuprous thiocyanate, belongs to copper-catalyst compound, is a common compound. name: Cuprous thiocyanateIn an article, once mentioned the new application about 1111-67-7.
Treatment of an acetonitrile solution of CuI with 1,7-dithia-18-crown-6 (1,7-DT18C6) at 100C affords the coordination polymer ? 1[(CuI)2(1,7-DT18C6)2] (1) in which 1,7-DT18C6 ligands bridge (CuI)2 rings into double chains. 1D polymers of the type ?1[M{(Cu3I 4)(1,7-DT18C6)}] (M = K, 2; M = Cs, 3) can be isolated under similar conditions in the presence of respectively KI and CsI. Both contain bridging heptacyclic [Cu6I8]2- units but crystallise in different space groups, namely P1 and C2/m. The cesium cation of 3 is markedly displaced from the best plane through the thiacrown ether donor atoms. Reaction of 1,7-DT18C6 with CuSCN in the presence of NaSCN yields ?2[{Na(CH3CN)2} {(CuSCn) 2(1,7-DT18C6)}][Cu(SCN)2] (4), in which ?1[(CuSCN)2] double chains are linked through macrocycles into sheets. Infinite ? 1[{Cu(SCN)2}-] chains compensate the charge of the Na+ cations. Complex 1 can imbibe 0.90 mol CsNO3 per mol of 1,7-DT18C6 pairs.
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Reference：
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”