Kinetic Investigations of the Reactions of CD3O2 with NO and NO3 at 298 K

The reactions of methylperoxy radicals with NO 3 and NO were investigated at room temperature using the method of discharge flow/mass spectrometry. For reaction with NO, data were obtained for normal and deuterated methylperoxy. k (CH 3 O 2 + NO) = (7.5 ± 1.0) × 10 -12 cm 3 molecule -1 s -1 and k (CD 3 O 2 + NO) = (8.6 ± 1.0) × 10 -12 cm 3 molecule -1 s -1 . The rate constant for reaction of CD 3 O 2 with NO 3 was found to be k (CD 3 O 2 + NO 3 → CD 3 O + NO 2 + O 2 ) = (1.3 ± 0.2) × 10 -12 cm 3 molecule -1 s -1 . In addition, rate constants were obtained for the reaction of CD 3 O with NO 3: k (CD 3 O + NO 3 → CD 3 O 2 + NO 2 ) = (3.7 ± 0.8) × 10 -12 cm 3 molecule -1 s -1, k (CD 3 O + NO 3 → DCDO + DNO 3 ) = (5.6 ± 1.0) × 10 -13 cm 3 molecule -1 s -1 .