1. CH3Br, 031009: Energetics for CH 3 Br(g) -> H2(g) + C(g) + HBr(g) agust,heima,...Nov09/PPT-031109ak.ppt

2. CH 3 Br(g) -> H2(g) + C(g) + HBr(g) CH 3 (g) + Br(g)) 70.3 kcal mol -1 = +24587.8 cm -1 Handbook of bond energies: http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/CH3-Br%20bond%20energy-070709ak.ppt CH + (g) +H 2 (g) + Br(g)) 15.58 eV =Appearance nergy http://webbook.nist.gov/cgi/cbook.cgi?ID=C2229074&Units=SI&Mask=20#Ion-Energetics http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt 4.085 eV = Bond energy (CH + ) http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt C + (g) + H 2 (g) + H(g) + Br(g)) 3.758 eV = -30310.3= -D 0 0 (HBr) Huber and Herzberg: Constants of diatomic molecules C + (g) +H 2 (g) +HBr(g)) 11.26 eV = - 90817.9 cm -1 = - IE(C) http://www.nist.gov/srd/nsrds/NSRDS-NBS34.pdf notes 240809 http://www.nist.gov/srd/nsrds/NSRDS-NBS34.pdf 19.665eV= +158649.1cm -1  E = 24587.8 +158649.1 -30310.3 -90817.9 = 62109 cm -1

3. CH3Br(g) -> H2(g) + C(g) + HBr(g) CH3(g) + Br(g)) 70.3 kcal mol-1 = +24587.8 cm-1 Handbook of bond energies: http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/CH3-Br%20bond%20energy-070709ak.ppt CH+(g) +H2(g) + Br(g)) 15.58 eV http://webbook.nist.gov/cgi/cbook.cgi?ID=C2229074&Units=SI&Mask=20#Ion-Energetics http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt CH+(g) +2H(g) + Br(g)) 4.5 eV http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt 4.085 eV http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt C+(g) +3H(g) + Br(g)) +194944 cm-1 4.5 eV = -36294.93 http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt http://www3.hi.is/~agust/rannsoknir/rempi/ch3br/PPT-110809ak.ppt C+(g) +H2(g) +H(g) + Br(g)) 3.758 eV = -30310.3= -D 0 0 (HBr) Huber and Herzberg: Constants of diatomic molecules C+(g) +H2(g) +HBr(g)) 11.26 eV = - 90817.9 cm-1= - IE(C) http://www.nist.gov/srd/nsrds/NSRDS-NBS34.pdf notes 240809 http://www.nist.gov/srd/nsrds/NSRDS-NBS34.pdf