WH. RADICALS AND IONS

WEDNESDAY, JUNE 17, 1998 - 1:30PM

Room: 1005 SMITH LAB

Chair: ROBERT CURL, Rice University, Houston, TX

WH01 15min1:30

INFRARED DIODE LASER SPECTROSCOPY OF FUNDAMENTAL AND HOT BANDS OF BBr (X¹ Sigma ⁺).

N. T. HUNT, W. Y. FAN, Z. LIU AND P. B. DAVIES, Department of Chemistry, Uiversity of Cambridge, Cambridge CB2 1EW, UK.

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WH02			10min1:47

TRANSIENT FREQUENCY-MODULATION DIODE LASER SPECTROSCOPY OF METHYLENE.

BOR-CHEN CHANG, Department of Chemistry, National Central University, Chung-Li, Taiwan 32054; ANDREW J. MARR AND TREVOR J. SEARS, Department of Chemistry, Brookhaven National Laboratory, Upton, New York 11973-5000.

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WH03			15min1:59

NEW ASSIGNMENTS IN THE NEAR INFRARED SPECTRUM OF METHYLENE.

ANDREW J. MARR AND TREVOR J. SEARS, Department of Chemistry, Brookhaven National Laboratory, Upton, New York 11973-5000; BOR-CHEN CHANG, Department of Chemistry, National Central University, Chung-Li, Taiwan 32054.

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WH04			15min2:16

NEAR INFRARED SPECTROSCOPY OF DEUTERO-BROMOMETHYLENE.

ANDREW J. MARR AND TREVOR J. SEARS, Department of Chemistry, Brookhaven National Laboratory, Upton, New York 11973-5000.

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WH05			15min2:33

THE ROTATIONALLY RESOLVED INFRARED SPECTRUM OF THE

₁ AND

₁₃ CH₂ STRETCH OF THE ALLYL RADICAL.

J. D. DESAIN, S. D. SHARMA, R. I. THOMPSON, R. F. CURL, Chemistry Department and Rice Quantum Institute, Rice University, Houston, Tx 77054, USA.

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WH06			15min2:50

CH₂ ANTISYMMETRIC STRETCHING VIBRATIONS OF THE ALLYL RADICAL.

DAIRENE UY, SCOTT DAVIS, DAVID J. NESBITT, JILA, National Institute of Standards and Technology and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440.

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WH07			15min3:07

HIGH RESOLUTION IR SPECTRA OF CYCLOPROPYL RADICAL.

SCOTT DAVIS, DAIRENE UY, JILA, National Institute of Standards and Technology and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440; SCOTT H. KABLE, JILA visiting fellow on leave from Division of Physical Chemistry, University of Sydney, Sydney, NSW, 2006 Australia; DAVID J. NESBITT, JILA, National Institute of Standards and Technology and Department of Chemistry and Biochemistry, University of Colorado, Boulder, Colorado 80309-0440.

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INTERMISSION

WH08			15min3:40

MICROWAVE SPECTRA OF THE METHYLCYANOPOLYYNES
CH₃(C equiv

C)_nCN, n=2,3,4,5.

WEI CHEN, JENS-UWE GRABOW, MICHAEL J. TRAVERS, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138; and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138; STEWART E. NOVICK, MICHAELEEN R. MUNROW, Department of Chemistry, Wesleyan University, Middletown, CT 06459; M. C. MCCARTHY, P. THADDEUS, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138; and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138.

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WH09			15min3:57

MICROWAVE SPECTRA OF THE 2,4-PENTADIYNE RADICAL, H₂C-C equiv

C-C

C-H.

WEI CHEN, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138; and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138; and Department of Chemistry, Wesleyan University, Middletown, CT 06459; STEWART E. NOVICK, Department of Chemistry, Wesleyan University, Middletown, CT 06459; M. C. MCCARTHY, P. THADDEUS, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138; and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138; C. A. GOTTLIEB, Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138.

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WH10			15min4:14

LIF SPECTROSCOPY OF A CARBON CHAIN RADICAL PRODUCED BY A HC₃N DISCHARGE.

HIDEYUKI TAKADA, YOSHIHIRO SUMIYOSHI AND YASUKI ENDO, Department of Pure and Applied Sciences, College of Arts and Sciences, The University of Tokyo, 153-8902 Tokyo, Japan; KENNOSUKE HOSHINA, Department of Chemistry, School of Science, The University of Tokyo, 113-0033 Tokyo, Japan.

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WH11			15min4:31

LABORATORY DETECTION OF THE CARBON CHAINS HC₁₅N AND HC₁₇N.

MICHAEL C. MCCARTHY, J.-U. GRABOW, M. J. TRAVERS, W. CHEN, C. A. GOTTLIEB AND P. THADDEUS, Harvard-Smithsonian Center for Astrophysics and Division of Engineering and Applied Sciences, Cambridge, MA 02138.

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WH12			15min4:48

ROTATIONAL SPECTRA OF THE FREE RADICALS C₁₀H, C₁₂H, C₁₃H, AND C₁₄H IN A SUPERSONIC JET.

C. A. GOTTLIEB, M. C. MCCARTHY, M. J. TRAVERS AND P. THADDEUS, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138 and Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138.

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WH13			15min5:05

INFRARED SPECTROSCOPY OF CH₅⁺.

E. T. WHITE, J. TANG AND T. OKA, Department of Chemistry, The University of Chicago, Chicago, IL 60637.

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WH14			15min5:22

PRODUCTION AND LASER PHOTODETACHMENT OF THE FLUCTIONAL ANION METHIDE, CH₃^-.

S. E. MITCHELL, J. GLASSMAN AND J. W. FARLEY, Department of Physics, University of Nevada, Las Vegas, NV 89154; , .

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WH15			15min5:39

A STUDY OF THE IONIZATION THRESHOLDS OF METHYL AND METHYLENE BY PHOTOIONIZATION MASS SPECTROMETRY.

MARITONI LITORJA AND BRANKO RUSCIC, Chemistry Division, Argonne National Laboratory, Argonne IL 60439.