Relationship between torsional frequency and potential barrier height forAB n type molecular system |
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Authors: | Y S Jain B Singh B N Khanna |
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Affiliation: | (1) Department of Physics, North-Eastern Hill University, 793 003 Shillong, India;(2) Department of Physics, Aligarh Muslim University, 202 001 Aligarh, India;(3) Present address: Oil and Natural Gas Commission, 785 685 Nazira, India |
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Abstract: | A relationship between the torsional frequency (v 10) and the potential barrier (V n) has been determined forAB n type molecular system havingn-fold symmetry axis. It is found thatv 10 varies prominently asV n 1/2 ,V n andV n 2 in certain ranges. TheV n value computed fromv 10 andI* r has been compared with that obtained from other experimental data for someAB n units in different molecular-crystalline systems. Although there is in general a good agreement, in some cases the values differ significantly, perhaps due to the erroneous assignment of torsional mode and/or the large errors in theV n value obtained from other experimental data. |
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Keywords: | Torsional frequency barrier height potential barrier |
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