✦ LIBER ✦

Nitromethane dissociation: Implications for the CH3 + NO2 reaction

✍ Scribed by P. Glarborg; A. B. Bendtsen; J. A. Miller

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 201 KB
Volume: 31
Category: Article
ISSN: 0538-8066
DOI: 10.1002/(sici)1097-4601(1999)31:9<591::aid-kin1>3.0.co;2-e

No coin nor oath required. For personal study only.

✦ Synopsis

The thermal decomposition of nitromethane under highly diluted conditions in shock tubes has been analyzed in terms of a detailed chemical kinetic model. The experimental data were adopted from Gla ¨nzer and Troe, Hsu and Lin, and Zhang and Bauer, respectively; they cover the temperature range and pressures from 0.5 to 6.0 bar. Based on 1000-1400 K these results, rate constants for the reactions (R1) and CH NO (ϩM) L CH ϩ NO (ϩM)

The high and low pressure limits for reaction (R1) determined by Gla ¨nzer and Troe have been shown to be consistent with more recent shock tube data, provided a center broadening parameter is introduced to describe the fall-off behavior. Our reinterpretation of the shock tube results of Gla ¨nzer and Troe together with room temperature measurements indicate that the rate constant for (R14) decreases slightly with temperature, as 13 Ϫ0.2 k ϭ 4.0 • 10 T 14 At high temperatures and atmospheric pressure this reaction is more than an 3 Ϫ1 Ϫ1 cm mol s . order of magnitude faster than recombination of CH 3 and NO 2 to form nitromethane. Based on the available data for the forward and reverse rate of reaction (R1) a value of 66.7 Ϯ 2.0 cal/(mol K) for the entropy S 0,298 of CH 3 NO 2 is estimated.

📜 SIMILAR VOLUMES

Rate constants for the gas-phase reactio

Rate constants for the gas-phase reactions of OH radicals and Cl atoms with CH3CH2NO2, CH3CH2CH2NO2, CH3CH2CH2CH2NO2, and CH3CH2CH2CH2CH2NO2

✍ Ole J. Nielsen; Howard W. Sidebottom; Denis J. O'Farrell; Michael Donlon; Jack T 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 514 KB

Rate constants for the reactions of OH radicals and Cl atoms with CH,CH,NO>, CH,CH,CH,NO,, CH3CH2CH2CHzN02, and CH,CH2CH2CH,CH2N02 have been determined at 295+3 K and a total pressure of approximately 1 atm. The OH rate data were obtained using both the absolute rate technique of pulse radiolysis co

Rate constant for the reaction of CH3O2

Rate constant for the reaction of CH3O2 with NO

✍ Akira Masaki; Shigeru Tsunashima; Nobuaki Washida 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 493 KB

The CHsOs radical was generated by pulsed laser photolysis and was detected directly by photoionization mass spectrometry. The radical was photoionized by the Ar resonance lines ( 11.62 and 11.83 eV) and detected as the parent ion, CHsO: . Reactions of CH302 and CDs02 with NO were studied by time-re

The reaction of CH3O2 radicals with NO2

✍ Hiroyuki Adachi; Norman Basco 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 881 KB

The rate constant for the reaction CH302 + NO2 -(products) has been measured directly by flash photolysis and kinetic spectroscopy. At room temperature and a t total pressures between 53 and 580 Torr, k:, = (9.2 f 0.4) X lo8 liter/mole sec so that the rate of formation of the probable primary produc

Resonant multiphoton ionization detectio

Resonant multiphoton ionization detection of the NO2 fragment from infrared multiphoton dissociation of CH3NO2

✍ Bennett H. Rockney; Edward R. Grant 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 310 KB

## Nltromethane m a pulsed supersonIc molecular beam was decomposed by high-power CO2 laser-mducea multlphoton dlssocntlon The NO2 fragments from this decomposltlon were detected \\~th time, space, and spectroscopx resolution by pulsed tunable dye laser-mduced multlphoton 1oruzat1on Sunultnneous q

Room temperature rate coefficient for th

Room temperature rate coefficient for the reaction between CH3O2 and NO3

✍ J. N. Crowley; J. P. Burrows; G. K. Moortgat; G. Poulet; G. LeBras 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 507 KB

The molecular modulation spectroscopic technique was employed to study the kinetics of NO3 radicals produced in the 253.7 nm photolysis of flowing gas mixtures of HNO3/CH4/O2 at room temperature. By computer fitting of the NO, temporal behavior, a rate coefficient of (2.3 ? 0.7) x lo-'' cm3 molecule

Kinetics of the reaction of CH3O with NO

Kinetics of the reaction of CH3O with NO2

✍ J.A. McCaulley; S.M. Anderson; J.B. Jeffries; F. Kaufman 📂 Article 📅 1985 🏛 Elsevier Science 🌐 English ⚖ 638 KB

&te coefficients for the reaction of Cl-I,0 ~th NO 2 were measured over the temperature range 21-O-473 K and over tie pressure range 0 6-4 0 Torr using a flow reactor apparatus uqth laser-Induced fluorescence (LIF) detection of CH,O The results were fitted LO extract recombmatlon and &sproporuonauon