Ab initio molecular orbital study of ene
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Freeman, Fillmore; Lee, Choonsun; Po, Henry N.; Hehre, Warren J.
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Article
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1998
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John Wiley and Sons
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English
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Optimized geometries and energies for 3,4-dihydro-1,2-dithiin ลฝ . ลฝ . ลฝ . ลฝ . 1 , 3,6-dihydro-1,2-dithiin 2 , 4H-1,3-dithiin 3 , and 2,3-dihydro-1,4-dithiin 4 were calculated using ab initio 6-31G U and MP2r6-31G U rr6-31G U methods. At the MP2r6-31G U rr6-31G U level, the half-chair conformer of 4