HBr: 1)Bond energies 2)Energetics 3)Summary of our published (3+n) REMPI of HBr 4)Possible Br (3+1)REMPI lines agust,www,....Jan11/PPT-030211ak.ppt agust,heima,....Jan11/XLS-030211ak.xls.

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Presentation transcript:

HBr: 1)Bond energies 2)Energetics 3)Summary of our published (3+n) REMPI of HBr 4)Possible Br (3+1)REMPI lines agust,www,....Jan11/PPT ak.ppt agust,heima,....Jan11/XLS ak.xls agust,heima,....Jan11/PXP ak.pxp agust,heima,....Jan11/XLS ak.xls

HBr bond energies unitref: bond energy366kJ/molhttp:// D eVHuber & Herzberg (1979); Thermodynamic value cm-1 bond energy366kJ/molhttp:// factors: f1: cm-1/(kJ mol-1) f2: cm-1/eV agust,heima,....Jan11/XLS ak.xls

H + Br ( cm -1 ) cm -1 ; H + Br + + e cm -1 ; H + + Br + e - HBr + + e-; cm -1 HBr* (F(v´=1)J´=0) cm -1 HBr* (E(v´=1)J´=0) cm -1 : (1) (2) (3) (4) (total no of photons =2+n) agust,heima,....Jan11/PXP ak.pxp; Lay:0; Gr:0 (2+n)REMPI

H + Br ( cm -1 ) cm -1 ; H + Br + + e cm -1 ; H + + Br + e - HBr + + e-; cm -1 HBr* (F(v´=1)J´=0) cm -1 HBr* (E(v´=1)J´=0) cm -1 : (1) (2) (3) (4) agust,heima,....Jan11/PXP ak.pxp; Lay:0; Gr:0 (3+n)REMPI (5) (total no of photons =3+n)

The following ions might be expected to be seen in (2+n) and (3+n) REMPI scans for the excitation region – cm-1 (F(v´=1) to E(v´=1)): HBr+Br+H+ (2+n):(2+1)(2+2) (3+n)(3+1)(3+2)(3+3)

Summary of our published (3+n) REMPI of HBr: YearpublicationExcitation region Photon Wavelengths Dyes used SHG(?)Technique used gust/rempisvaedidir/JCP pdf cm – 390 nm many (see below) NOT used REMPI- current gust/RPViewDoc.pdf cm TMQ( nm); BPBD( nm); BBQ( nm) NOT used REMPI- current

conf.TermJ2P3/2 JJ 2P1/2 JJ 4p2P s2D D d4D D D D d4F F F F ) Possible Br (3+1)REMPI lines agust,heima,....Jan11/XLS ak.xls

4P P P P F F P P agust,heima,....Jan11/XLS ak.xls