PH (b 'C? has been obtained in the vacmzm ultravioiolet flash photolysis of PH3 and detected by the 697.3 nm emission due to the forbidden transition PH (b 'Z \* -+ X 3Z-). Rate coefficients for mdiitive and collisional deactivatioa have been determined by time resolved measurements. A radiative Iif
Collisional deactivation of ph(b1Σ+ by some diatomic molecules
✍ Scribed by M. Lenzi; A. Margani; C. Nguyen Xuan; G. Di Stefano
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 243 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Rate constants for deactivation of PII& 'X". u = 0) bv N=. CO. NO. H+.and He bare been determined b) time resohed _ quenching measurements of the emission bands_ Values (in =,3 moIecuIe-l
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Chemiluminescence from the b 0) \* Xr O+ band system of Asl and of the b O+-+ Xt O\*, X-J I systems of SbI in the near-infrared sPect.ral r&on has been observed in a discharge flow system. Analysis of the spectra led to the spectroscopic constants (In cm-') of AsI: wc(Xr, X,) = 257 -L 2, wexe(Xr, X,
CJmnilumincsccnce of the lo O+ -XI 0". Xx J band spstclns of AsCl and .451)r in tllc near-infrared spectral region has been observed in a discharge-flow system. Analysis of the spectra Jcd IO rhe spcctrosc~pic constants (in cm-') for -4~0: w,fS1, X2) =424 2 6. T,(X2 1) = 140 -+\_ 8, T,(bO\*) = I2573
Near-infrared emissions of the bO+-X,0+ , X2 1 band systems of TeSe have been observed in LI discharge flow system. Analysis of the spectra yielded TC values of the X21 and bO+ states of 1235 i 5 cm-' and 8794 f 5 cm-' ; respectively, md a vibrational spacing in the bO+ state of we(b) = 294 f 3 cm-'