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Molecules Harry Kroto 2004.

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Presentation on theme: "Molecules Harry Kroto 2004."— Presentation transcript:

1 Molecules Harry Kroto 2004

2 electronic transitions
Molecules electronic transitions Harry Kroto 2004

3 electronic transitions
Molecules electronic transitions F > cm-1 Harry Kroto 2004

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5 Harry Kroto 2004

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7 at: www.absoluteastronomy.com/topics/Flame

8 electronic transitions
Molecules electronic transitions F> cm-1 Harry Kroto 2004

9 electronic transitions F > 10000 cm-1 Vibrational transitions
Molecules electronic transitions F > cm-1 Vibrational transitions Harry Kroto 2004

10 electronic transitions F > 10000 cm-1 Vibrational transitions
Molecules electronic transitions F > cm-1 Vibrational transitions F = cm-1 Harry Kroto 2004

11 Vibrations

12 Vibrations of Atoms in a Crystal

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14 electronic transitions E > 10000 cm-1 Vibrational transitions
Molecules electronic transitions E > cm-1 Vibrational transitions E = cm-1 Harry Kroto 2004

15 electronic transitions F > 10000 cm-1 Vibrational transitions
Molecules electronic transitions F > cm-1 Vibrational transitions F = cm-1 Rotational transitions Harry Kroto 2004

16 electronic transitions F > 10000 cm-1 Vibrational transitions
Molecules electronic transitions F > cm-1 Vibrational transitions F = cm-1 Rotational transitions F = 0.1 – 100 cm-1 Harry Kroto 2004

17 Microwave Spectrometer

18 HCCCCCN Rotating dipolar molecule → a photon that can be detected by a radio telescope

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20 Radiotelescope

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