Rotationally resolved reaction product imaging using crossed molecular beams

The hydrogen abstraction reactions of atomic chlorine with ethane and n-butane are studied in a skimmerless crossed molecular beam experiment by imaging of state-selected products. The differential cross section for HCl(v = 0, J = 1–5) product is directly determined from the product velocity map image. The state selection of products is achieved using (2 + 1) resonance enhanced multiphoton ionization, a method generally not used in crossed-molecular beam experiments due to sensitivity problems. This technique opens the way for a plethora of polyatomic reactions (involving more than three atoms) to be studied with scattering angle and rotational resolution.

[1]  J. J. Lin,et al.  State-Specific Correlation of Coincident Product Pairs in the F + CD4 Reaction , 2003, Science.

[2]  J. J. Lin,et al.  Application of time-sliced ion velocity imaging to crossed molecular beam experiments , 2003 .

[3]  C. Vallance,et al.  Fourier moment analysis of velocity-map ion images , 2002 .

[4]  A. Suits,et al.  Differential cross sections for O(3P)+alkane reactions by direct imaging , 2002 .

[5]  T. Kitsopoulos,et al.  Slice imaging: A new approach to ion imaging and velocity mapping , 2001 .

[6]  George L. Barnes,et al.  Direct Measurement of the Preferred Sense of NO Rotation After Collision with Argon , 2001, Science.

[7]  T. Kitsopoulos,et al.  State-resolved differential cross-section measurement of Cl+C2H6→HCl+C2H5 reaction using single-beam velocity mapping , 2000 .

[8]  Xueming Yang,et al.  Quantum state specific dynamics for the O(1D)+HD→OD+H reaction , 2000 .

[9]  P. Casavecchia.  Chemical reaction dynamics with molecular beams , 2000 .

[10]  D. Peterka,et al.  H abstraction dynamics by crossed-beam velocity map imaging: Cl+CH3OH → CH2OH+HCl , 2000 .

[11]  A. Suits,et al.  The dynamics of hydrogen abstraction reactions: Crossed-beam reaction Cl+n-C5H12→C5H11+HCl , 1998 .

[12]  Yuan-Pern Lee,et al.  A crossed molecular beam investigation of the reaction Cl+propane → HCl+C3H7 using VUV synchrotron radiation as a product probe , 1998 .

[13]  R. Zare,et al.  ANGULAR DISTRIBUTIONS FOR THE CL + C2H6 HCL + C2H5 REACTION OBSERVED VIA MULTIPHOTON IONIZATION OF THE C2H5 RADICAL , 1998 .

[14]  David H. Parker,et al.  Velocity map imaging of ions and electrons using electrostatic lenses: Application in photoelectron and photofragment ion imaging of molecular oxygen , 1997 .

[15]  R. Zare,et al.  Dynamical effects of reagent vibrational excitation in the Cl + C2H6(ν5 = 1) → HCl + C2H5 reaction , 1997 .

[16]  R. Zare,et al.  Dynamics for the Cl+C2H6→HCl+C2H5 reaction examined through state‐specific angular distributions , 1996 .

[17]  P. Dagdigian,et al.  Comparison of the dynamics of abstraction of primary vs. secondary hydrogens in the Cl+CD3CH2CD3 reaction , 1996 .

[18]  P. Dagdigian,et al.  Product State Resolved Study of the Cl + (CH3)3CD Reaction: Comparison of the Dynamics of Abstraction of Primary versus Tertiary Hydrogens , 1996 .

[19]  R. Wyatt,et al.  Experimental Studies and Theoretical Predictions for the H + D2 → > HD + D Reaction , 1995, Science.

[20]  R. Zare,et al.  State-to-state differential cross sections from photoinitiated bulb reactions , 1993 .

[21]  R. Zare,et al.  Reaction Product Imaging: The H + D2 Reaction , 1993, Science.

[22]  David S. Green,et al.  (2 + 1) Resonance enhanced multiphoton ionization of hydrogen chloride in a pulsed supersonic jet: Vacuum wavenumbers of rotational lines with detailed band analysis for excited electronic states of H35Cl1 , 1991 .

[23]  R. Zare,et al.  Application of ion imaging to the atom–molecule exchange reaction: H+HI→H2+I , 1991 .

[24]  J. Wolfrum,et al.  Gas phase chemical reaction systems : experiments and models 100 years after Max Bodenstein : proceedings of an International Symposion, held at the "Internationales Wissenschaftsforum Heidelberg", Heidelberg, Germany, July 25-28, 1995 , 1996 .

[25]  A. Heck,et al.  Imaging techniques for the study of chemical reaction dynamics. , 1995, Annual review of physical chemistry.

[26]  L. Schnieder,et al.  Hydrogen exchange reaction H + D2 in crossed beams , 1991 .