HCNSolution-phase hydrolysisReaction mechanismCatalytic effectThe effect of water (W), ammonia (AM), formic acid (FA), or sulfuric acid (SA) on the HCN + H2O reaction in the aqueous solution has been investigated at the CCSD(T)/6-311++G(2df,2pd), PCM (water)//M06-2X/6-311++G(...