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electron delocalization through O ꢀ
5
/
C9ꢁ
/
C3ꢀ
/
C4ꢁ
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0
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[
[
[
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delocalization in O1ꢀ
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C2ꢁ
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C3 fragment of the
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1
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[
[
B3LYP/6-311ꢁ
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ꢂ1
the cis enol form of TFM by 56 kJ mol
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.
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/
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