Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | |
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You are here: Comparisons > Energy > Similar molecules > Sets of tautomers |
formula | sketch | Energy (kJ mol-1) | Name | difference | |||
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A | B | calculated | experiment | A | B | ||
C3H4 | -6 | -7 | allene | propyne | 1 | ||
C4H6 | -75 | -82 | 1-Methylcyclopropene | 1,2-Butadiene | 7 | ||
C4H6 | 46 | 42 | Methylenecyclopropane | 1-Methylcyclopropene | 4 | ||
C4H8 | -19 | -33 | cyclobutane | 1-Butene | 13 |