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Emission bands of halogens

Part III. Iodine bands arising in 1 u (3 Π + u ) and 1 g (1 Π g ) states

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An Erratum to this article was published on 01 March 1947

Summary

The three broad bands at 4747·2, 4662·1 and 4575·2 A are explained as due to transitions from a single stable state 1 u (3 Σ u +) at 44900 cm.−1 to three unstable states O g + (3 Σ g ), 1 g (3 Σ − g ) and 1 g (1 Π g ) which dissociate into2P3/2+2P1/2 iodine atoms at 20037 cm.−1 The bands in the region 2687 to 2400 A form three groups which are explained as arising in a level 1 g (1 Π g ) at 58572 cm.−1 and having for their final level the three unstable states 1 u (3Δ1u ), 2 u (3Δ2u ) and 1 u (1 Π u ) which dissociate into2P3/2+2P1/2 iodine atoms. The potential energy diagram for iodine molecule is given.

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References

  1. P. Venkateswarlu “Emission Bands of Halogens, Part I and II,”Proc. Ind. Acad. Sci., 1946,24 A, 480 and this number.

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  2. P. Venkateswarlu “Absorption Bands of Iodine in Quartz Ultra-violet,”Ind. Journ. Phys. (in Press).

  3. Asagoe and InuzukaSc. Rep. Tokyo, Burnika, Dalgaku, 1934,2 A, 84.

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  4. BadgerJourn. Chem. Phys., 1935,3, 710.

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Authors and Affiliations

  1. Physics Department, Benares Hindu University, India

    Putcha Venkateswarlu M.Sc.

Authors
  1. Putcha Venkateswarlu M.Sc.
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Additional information

(Communicated by Dr. R. K. Asundi,m.sc., ph.d. (London),f.a.sc.)

An erratum to this article is available at http://dx.doi.org/10.1007/BF03171412.

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Venkateswarlu, P. Emission bands of halogens. Proc. Indian Acad. Sci. (Math. Sci.) 25, 133 (1947). https://doi.org/10.1007/BF03171389

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  • DOI: https://doi.org/10.1007/BF03171389

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