Research output: Contribution to journal › Article

**(2+1) REMPI spectra of the I-2-Kr and I-2-N-2 van der Waals complexes and the (2+1 ') ZEKE-PFI photoelectron spectrum of I-2(+)-Kr.** / Beattie, D A ; Cockett, M C R ; Lawley, K P ; Donovan, R J .

Research output: Contribution to journal › Article

Beattie, DA, Cockett, MCR, Lawley, KP & Donovan, RJ 1997, '(2+1) REMPI spectra of the I-2-Kr and I-2-N-2 van der Waals complexes and the (2+1 ') ZEKE-PFI photoelectron spectrum of I-2(+)-Kr', *JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS*, vol. 93, no. 24, pp. 4245-4251.

Beattie, D. A., Cockett, M. C. R., Lawley, K. P., & Donovan, R. J. (1997). (2+1) REMPI spectra of the I-2-Kr and I-2-N-2 van der Waals complexes and the (2+1 ') ZEKE-PFI photoelectron spectrum of I-2(+)-Kr. *JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS*, *93*(24), 4245-4251.

Beattie DA, Cockett MCR, Lawley KP, Donovan RJ. (2+1) REMPI spectra of the I-2-Kr and I-2-N-2 van der Waals complexes and the (2+1 ') ZEKE-PFI photoelectron spectrum of I-2(+)-Kr. JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS. 1997 Dec 21;93(24):4245-4251.

@article{87250f82a2d94c85ae4bfe13e6ec54d2,

title = "(2+1) REMPI spectra of the I-2-Kr and I-2-N-2 van der Waals complexes and the (2+1 ') ZEKE-PFI photoelectron spectrum of I-2(+)-Kr",

abstract = "We present (2 + 1) mass-resolved resonance-enhanced multiphoton ionisation (REMPI) spectrum of the [(2) Pi(3/2)](c)5d; Ohm(g) (Ohm = 0,2) Rydberg states of the I-2-Kr van der Waals complex. Anharmonic progression in the I-2 ... Kr van der Waals stretching mode have been observed with <(omega)over tilde>(e) values of 49 +/- 2 and 47 +/- 2 cm(-1) for the [(2) Pi(3/2)](c)5d; Ohm = 0(g) and [(2) Pi(3/2)](c)5d; Ohm = 2(g) states, respectively. The [(2) Pi(3/2)](c)5d; Ohm = 2(g) state of I-2-Kr has been used as an intermediate in a two-colour (2 + 1') zero kinetic energy pulsed-field ionisation (ZEKE-PFI) photoelectron study of the (X) over tilde(2) Pi(3/2,g) state of the I-2(+)-Kr ionic complex. The adiabatic ionisation energy was determined to be 74248 +/- 3 cm(-1). An anharmonic vibrational progression in the I-2(+)... Kr van der Waals stretching mode was observed giving a value of <(omega)over tilde>(e) = 55 +/- 2 cm(-1) for the (X) over tilde(2) Pi(3/2,g) state of the complex. The [(2) Pi(1/2)](c)6s; Ohm = 1(g) Rydberg state of the I-2-N-2 van der Waals complex has also been observed using REMPI spectroscopy. Anharmonic progressions in the I-2 ... N-2 van der Waals stretching mode have been observed with <(omega)over tilde>(e) = 71 +/- 2 cm(-1). Comparisons are made between the spectroscopic data obtained for the Rydberg states of I-2-Kr and I-2-N-2 with the analogous Rydberg states in I-2-Ar.",

keywords = "FLUORESCENCE EXCITATION SPECTRUM, VANDERWAALS COMPLEX, SPECTROSCOPY, IODINE, MOLECULES, DISSOCIATION, ABSORPTION, POTENTIALS, XE",

author = "Beattie, {D A} and Cockett, {M C R} and Lawley, {K P} and Donovan, {R J}",

year = "1997",

month = "12",

day = "21",

language = "English",

volume = "93",

pages = "4245--4251",

journal = "JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS",

issn = "0956-5000",

publisher = "Royal Society of Chemistry",

number = "24",

}

TY - JOUR

T1 - (2+1) REMPI spectra of the I-2-Kr and I-2-N-2 van der Waals complexes and the (2+1 ') ZEKE-PFI photoelectron spectrum of I-2(+)-Kr

AU - Beattie, D A

AU - Cockett, M C R

AU - Lawley, K P

AU - Donovan, R J

PY - 1997/12/21

Y1 - 1997/12/21

N2 - We present (2 + 1) mass-resolved resonance-enhanced multiphoton ionisation (REMPI) spectrum of the [(2) Pi(3/2)](c)5d; Ohm(g) (Ohm = 0,2) Rydberg states of the I-2-Kr van der Waals complex. Anharmonic progression in the I-2 ... Kr van der Waals stretching mode have been observed with <(omega)over tilde>(e) values of 49 +/- 2 and 47 +/- 2 cm(-1) for the [(2) Pi(3/2)](c)5d; Ohm = 0(g) and [(2) Pi(3/2)](c)5d; Ohm = 2(g) states, respectively. The [(2) Pi(3/2)](c)5d; Ohm = 2(g) state of I-2-Kr has been used as an intermediate in a two-colour (2 + 1') zero kinetic energy pulsed-field ionisation (ZEKE-PFI) photoelectron study of the (X) over tilde(2) Pi(3/2,g) state of the I-2(+)-Kr ionic complex. The adiabatic ionisation energy was determined to be 74248 +/- 3 cm(-1). An anharmonic vibrational progression in the I-2(+)... Kr van der Waals stretching mode was observed giving a value of <(omega)over tilde>(e) = 55 +/- 2 cm(-1) for the (X) over tilde(2) Pi(3/2,g) state of the complex. The [(2) Pi(1/2)](c)6s; Ohm = 1(g) Rydberg state of the I-2-N-2 van der Waals complex has also been observed using REMPI spectroscopy. Anharmonic progressions in the I-2 ... N-2 van der Waals stretching mode have been observed with <(omega)over tilde>(e) = 71 +/- 2 cm(-1). Comparisons are made between the spectroscopic data obtained for the Rydberg states of I-2-Kr and I-2-N-2 with the analogous Rydberg states in I-2-Ar.

AB - We present (2 + 1) mass-resolved resonance-enhanced multiphoton ionisation (REMPI) spectrum of the [(2) Pi(3/2)](c)5d; Ohm(g) (Ohm = 0,2) Rydberg states of the I-2-Kr van der Waals complex. Anharmonic progression in the I-2 ... Kr van der Waals stretching mode have been observed with <(omega)over tilde>(e) values of 49 +/- 2 and 47 +/- 2 cm(-1) for the [(2) Pi(3/2)](c)5d; Ohm = 0(g) and [(2) Pi(3/2)](c)5d; Ohm = 2(g) states, respectively. The [(2) Pi(3/2)](c)5d; Ohm = 2(g) state of I-2-Kr has been used as an intermediate in a two-colour (2 + 1') zero kinetic energy pulsed-field ionisation (ZEKE-PFI) photoelectron study of the (X) over tilde(2) Pi(3/2,g) state of the I-2(+)-Kr ionic complex. The adiabatic ionisation energy was determined to be 74248 +/- 3 cm(-1). An anharmonic vibrational progression in the I-2(+)... Kr van der Waals stretching mode was observed giving a value of <(omega)over tilde>(e) = 55 +/- 2 cm(-1) for the (X) over tilde(2) Pi(3/2,g) state of the complex. The [(2) Pi(1/2)](c)6s; Ohm = 1(g) Rydberg state of the I-2-N-2 van der Waals complex has also been observed using REMPI spectroscopy. Anharmonic progressions in the I-2 ... N-2 van der Waals stretching mode have been observed with <(omega)over tilde>(e) = 71 +/- 2 cm(-1). Comparisons are made between the spectroscopic data obtained for the Rydberg states of I-2-Kr and I-2-N-2 with the analogous Rydberg states in I-2-Ar.

KW - FLUORESCENCE EXCITATION SPECTRUM

KW - VANDERWAALS COMPLEX

KW - SPECTROSCOPY

KW - IODINE

KW - MOLECULES

KW - DISSOCIATION

KW - ABSORPTION

KW - POTENTIALS

KW - XE

M3 - Article

VL - 93

SP - 4245

EP - 4251

JO - JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

JF - JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS

SN - 0956-5000

IS - 24

ER -