# NUCLEAR QUADRUPOLE SPLITTINGS IN THE 1-0 VIBRATION-ROTATION BAND OF HYDROGEN IODIDE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/11021

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 Title: NUCLEAR QUADRUPOLE SPLITTINGS IN THE 1-0 VIBRATION-ROTATION BAND OF HYDROGEN IODIDE Creators: Strow, L. L. Issue Date: 1979 Publisher: Ohio State University Abstract: Nuclear quadrupole hyperfine structure has been observed in the 1-0 vibration-rotation band of hydrogen iodide with a tunable semiconductor diode laser. The large mass and quadrupole moment of Iodine combine to allow J=1 splittings to be resolved with Doppler limited spectroscopy. Four lines, R(0) through P(3), were recorded in the $2200 cm^{-1}$ region. The splittings, which were clearly resolved in the R(0) and P(1) lines, agree relatively well with the microwave derived ground vibrational state splittings. The blended P(2) and P(3) lines are compared with calculated absorption profiles. Upper limits for the change in quadrupole coupling constant from the ground to first excited vibrational state will be discussed. Description: Author Institution: URI: http://hdl.handle.net/1811/11021 Other Identifiers: 1979-TE-05