Chemischer InformationsdienstVolume 16, Issue 35 Physical Inorganic Chemistry ChemInform Abstract: THE EMISSION SPECTRUM OF THE DIATOMIC RADICAL, PHOSPHORUS SELENIDE S. N. VEMPATI, S. N. VEMPATISearch for more papers by this authorJ. L. MA, J. L. MASearch for more papers by this authorW. E. JONES, W. E. JONESSearch for more papers by this author S. N. VEMPATI, S. N. VEMPATISearch for more papers by this authorJ. L. MA, J. L. MASearch for more papers by this authorW. E. JONES, W. E. JONESSearch for more papers by this author First published: September 3, 1985 https://doi.org/10.1002/chin.198535006Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume16, Issue35September 3, 1985 RelatedInformation

AbstractDeuteriertes Acetonitril (I) liefert mit HCl/Ethanol den Iminoether (II), der in einer Austauschreaktion das Amidin (III) bildet und mit Hypochlorit zum markierten Diazirin (IV) cyclisiert wird.

Chemischer InformationsdienstVolume 11, Issue 36 Physical Organic Chemistry ChemInform Abstract: MNDO CALCULATIONS ON DIAZIRINES D. BURKHOLDER, D. BURKHOLDERSearch for more papers by this authorW. E. JONES, W. E. JONESSearch for more papers by this authorK. W. LING, K. W. LINGSearch for more papers by this authorJ. S. WASSON, J. S. WASSONSearch for more papers by this authorM. T. H. LIU, M. T. H. LIUSearch for more papers by this author D. BURKHOLDER, D. BURKHOLDERSearch for more papers by this authorW. E. JONES, W. E. JONESSearch for more papers by this authorK. W. LING, K. W. LINGSearch for more papers by this authorJ. S. WASSON, J. S. WASSONSearch for more papers by this authorM. T. H. LIU, M. T. H. LIUSearch for more papers by this author First published: September 9, 1980 https://doi.org/10.1002/chin.198036068AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat No abstract is available for this article. Volume11, Issue36September 9, 1980 RelatedInformation

Photolysis of 3-chloro-3-methyldiazirine through glass gives vinyl chloride, acetylene, hydrogen chloride and nitrogen as products. The mechanism proposed is that of Frey and Stevens for photolysis of 3-methyl- diazirine. In addition 1,1-dichloroethane is formed. Photolysis with added hydrogen bromide leads to the formation of 1-bromo-1-chloroethane

The near-ultraviolet and visible emission bands of the SbF molecule have been photographed at high dispersion and rotational analyses performed. The principal molecular constants (in cm−1) obtained for 121SbF and 123SbF are X21: 121Be=0.2803; 123Be=0.2796;αe=1.93×10−3a2: 121Be=0.2806; 123Be=0.2801;αe=1.87×10−3B0+: 121B0=0.2800; 123B0=0.2791,A0+: 121B0=0.2385; 123B0=0.2378,A22: 121Be=0.2411; 123Be=0.2405;αe=1.65×10−3A31: 121Be=0.2414; 123Be=0.2409;αe=1.70×10−3

A rotational analysis is performed on several bands of the ultraviolet systems of the SbF molecule obtained at high resolution in emission and in absorption. The results confirm the electronic term value diagram proposed earlier [J. Mol. Spectrosc. 49, 377 (1974)] and yield molecular constants for the first excited state a2 and for the highly excited C31 state of the molecule.

The FCO radical has been produced by flash photolysis of a mixture of N2F4, CO and N2. The absorption spectrum of FCO exists for appoximately 50 μsec after the photolysis flash. The spectrum has an extensive series of bands between 2200 and 3400 Å. The principal progression appears to have a spacing of approximately 650 cm−1. A possible reaction mechanism for the production of FCO is proposed.

A number of red-degraded bands in the region 2840–3200 Å belonging to several electron transitions of NSe have been observed in a microwave discharge through flowing nitrogen gas over selenium metal powder. These are tentatively assigned to three new electronic systems 2Σ-X2Π32, 2Σ-X2Π12, 2Π12-X2Π12, and a fourth new system 2Δ52-X2Π32 confirmed from rotational analysis. Several bands have been photographed at high resolution and the rotational constants obtained for the 2-0 band of the 2Δ52-X2Π32 transition of NSe80 are (cm−1): B2′ = 0.4414; D2′ = 2.5 × 10−6; B0″ = 0.5168; D0″ = 6.9 × 10−7. The B0″ value satisfies the equation Bv = 0.5187 − 4 × 10−3 (v + 12), which has been reported by Pascat et al. Vibrational analysis gives ωe of 956.4 and 953.1 cm−1 for the X2Π12 and X2Π32, respectively, in good agreement with the reported values. The absence of bands involving upper vibrational levels v > 2 of the observed states suggests that predissociation occurs in these states.

Four singlet band systems in the region 2290–2910 Å attributed to the AsF molecule have been photographed both in emission and absorption at high dispersion. A complete rotational analysis of each band has been performed and the molecular constants are calculated for each of the four states, a1Δ, b1Σ+, c1Π and d1Π, involved in the transitions.

Four singlet band systems in the region 2290–2910 Å attributed to the AsF molecule have been observed in a microwave discharge through flowing AsF3 vapor. These are tentatively assigned to transitions involving two upper 1Π and the lower a1Δ and b1Σ states. Vibrational analysis gives values for ωe of 694.0 cm−1 and ωexe of 3.1 cm−1 for the a1Δ state, while interfering bands did not allow calculation of constants for b1Σ. The absence of bands involving upper vibrational levels of the two 1Π states indicates that predissociation occurs in these states.

Six bands of the strongly perturbed 1Π-X1Σ+ system of AsN have been photographed with a dispersion of approximately 0.4Å/mm. rotational constants found for the lower state are, Be″ = 0.5457 cm−1, D″ = 5.7 × 10−7 cm−1, αe″ = 0.0037 cm−1, and re = 1.618 Å, while for the upper state the values are Be′ = 0.5018 cm−1, D′ = 6.6 × 10−7 cm−1, αe′ = 0.009 cm−1, and re = 1.687 Å. Approximate B values for two of the perturbing states have been found to be 0.34 and 0.43 cm−1.