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|Title:||Near-infrared spectroscopy of LiNH3: first observation of the electronic spectrum.|
Tonge, Nicola M.
Ellis, Andrew M.
Wright, Timothy G.
|Publisher:||American Institute of Physics (AIP)|
|Citation:||Journal of Chemical Physics, 2011, 134 (12), 4304.|
|Abstract:||Electronic spectra of LiNH(3) and its partially and fully deuterated analogues are reported for the first time. The spectra have been recorded in the near-infrared and are consistent with two electronic transitions in close proximity, the Ã(2)E-X(2)A(1) and B(2)A(1)-X(2)A(1) systems. Vibrational structure is seen in both systems, with the Li-N-H bending vibration (ν(6)) dominant in the Ã(2)E-X(2)A(1) system and the Li-N stretch (ν(3)) in the B(2)A(1)-X(2)A(1) system. The prominence of the 6(0)(1) band in the Ã(2)E-X(2)A(1) spectrum is attributed to Herzberg-Teller coupling. The proximity of the B(2)A(1) state, which lies a little more than 200 cm(-1) above the Ã(2)E state, is likely to be the primary contributor to this strong vibronic coupling.|
|Rights:||Copyright 2011 American Institute of Physics. Deposited with reference to the publisher's archiving policy available on the SHERPA/RoMEO website. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Chemical Physics, 2011, 134 (12), 4304 and may be found at http://jcp.aip.org/resource/1/jcpsa6/v134/i12/p124304_s1|
|Appears in Collections:||Published Articles, Dept. of Chemistry|
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