Thiocyanogen was originally prepared by the reaction of iodine with a suspension of silver thiocyanate in diethyl ether, but this reaction suffers from competing equilibria attributed to the weak oxidizing power of iodine.
2.
Silver cyanide forms the linear polymer { Ag Ca " N?! Ag Ca " N?! }; silver thiocyanate has a similar structure, but forms a zigzag instead because of the sp 3-hybridized sulfur atom.
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