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Mixed Stretch and Bond in HF Molecules: Tunneling Frequency Study

This study explores the tunneling frequency in HF molecules, showing a mix of free and bonded stretches. Conclusions and predissociation are discussed.

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Mixed Stretch and Bond in HF Molecules: Tunneling Frequency Study

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  1. ∆=19.7GHz .66cm-1 Ground State H F—H-F \ <—> F-H—F H \ H 0 1 F—H--F ∆ = 6.5GHz .22cm-1 F--H—F 1 0 H G=10MHz H 1 0 F—H--F G=330 MHz

  2. (HF)2 Ground State Tunneling H F-H—F H F—H-F \ /

  3. H 0 1 F—H F H 1 0 F—H F 0 H F H—F 1 1 H F H—F 0

  4. Conclusions Free HF stretch and bonded HF stretch are mixed ∆ = .2cm-1 Tunnel Frequency G Free = 1/30 G Bonded Predissociation Linewidth

  5. H 1 1 F——H-- F 1 F--H——F 1 H ∆ ∆ ≈ 20 GHz M. Quack et al H 0 0 F——H- F 0 F-H——F 0 H ∆ ∆ ≈ 19.7 GHz

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