Cyanamide (NH2CN) has pyramidal equilibrium structure with two substates, denoted by 0+ and 0–. For each state of NH2CN, knowing rotational and centrifugal distortion constants in conjunction with electric dipole moment, energies for rotational levels and the probabilities for radiative transitions between the levels are calculated. The radiative transition probabilities in conjunction with scaled values for rate coefficients for collisional transitions between the levels are used in the Large Velocity Gradient analysis for each substate. For each substate, we have found anomalous absorption in three doublets at high temperature and weak MASER action at low temperature. We have also found emission feature in nine transitions in each substate. These transitions, along with the observed ones, may play important role for identification of NH2CN in a cosmic object.
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Published in Astrofizika, Vol. 64, No. 1, pp. 85-94 (February, 2021).
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Sharma, M.K. Cyanamide (NH2CN) in Interstellar Medium: Potential Spectral Lines. Astrophysics 64, 71–80 (2021). https://doi.org/10.1007/s10511-021-09669-0
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DOI: https://doi.org/10.1007/s10511-021-09669-0