]>Sunlight-Initiated Photochemistry: Excited Vibrational States of Atmospheric Chromophores : Table 1
Table 1: Organic acids and barriers for their chemistry.
Compound Chemical formulaLowest energy barrier for reaction (kcal/mol)Reaction productsOH quanta exceeding barrierReference
Sulfuric acid H 2 S O 4 32–40S O 3 , H 2 O 𝑣 O H = 4[7, 149, 150]
Nitric acidHN O 3 47.7N O 2 , OH 𝑣 O H = 5[57]
Pernitric acidH O 2 N O 2 21.2H O 2 , N O 2 𝑣 O H = 3[30]
Formic acidHCOOH41.5(a), 63.0(b)CO, H 2 O 𝑣 O H = 5,7[151](a), [152](b)
Glycolic acidOHC H 2 COOH50.9 H 2 CO, CO, H 2 O 𝑣 O H = 6[153]
Lactic acidOHCHC H 3 COOH47.4HCOC H 3 , CO, H 2 O 𝑣 O H = 5[153]
Malonic acidHOOCC H 2 COOH27.6 H 2 CC(OH ) 2 , C O 2 𝑣 O H = 3[16]
Acetic acidC H 3 COOH67.01(c), 71.5(d)C H 4 , C O 2 𝑣 O H = 7,8[154](c), [155](d)
Trifluoroacetic acidC F 3 COOH50.3C F 2 C O 2 , HF 𝑣 O H = 6[14]