The Molecular Spectrum of Carbon Dioxide
THE value of the specific heat of carbon dioxide indicates a triangular molecule. Bjerrum (Deutsch. Phys. Ges., 16, 737, 1914) has made a study of this molecule and has decided that the atomic nuclei lie at the corners of an isosceles triangle the apex angle of which is either 145° or 40°.6. Denniso...
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| Veröffentlicht in: | Nature (London) 1926-07, Vol.118 (2959), p.82-83 |
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| creator | ELLIS, JOSEPH W |
| description | THE value of the specific heat of carbon dioxide indicates a triangular molecule. Bjerrum (Deutsch. Phys. Ges., 16, 737, 1914) has made a study of this molecule and has decided that the atomic nuclei lie at the corners of an isosceles triangle the apex angle of which is either 145° or 40°.6. Dennison (Phil. Mag. (7), 1, 195, 1926) decides in favour of the former angle. Such a model, according to these authors, should be characterised by three fundamental vibrational frequencies. Each tries to associate the three well-known bands of absorption at 14.66µ, 4.25µ and 2.73µ with these predicted frequencies. The model does not anticipate a fourth weak band which I found at 2.02µ (Phys. Rev., 26, 469, 1925), especially since this is not harmonic with any of the other three. |
| doi_str_mv | 10.1038/118082a0 |
| format | Article |
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Bjerrum (Deutsch. Phys. Ges., 16, 737, 1914) has made a study of this molecule and has decided that the atomic nuclei lie at the corners of an isosceles triangle the apex angle of which is either 145° or 40°.6. Dennison (Phil. Mag. (7), 1, 195, 1926) decides in favour of the former angle. Such a model, according to these authors, should be characterised by three fundamental vibrational frequencies. Each tries to associate the three well-known bands of absorption at 14.66µ, 4.25µ and 2.73µ with these predicted frequencies. The model does not anticipate a fourth weak band which I found at 2.02µ (Phys. 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Bjerrum (Deutsch. Phys. Ges., 16, 737, 1914) has made a study of this molecule and has decided that the atomic nuclei lie at the corners of an isosceles triangle the apex angle of which is either 145° or 40°.6. Dennison (Phil. Mag. (7), 1, 195, 1926) decides in favour of the former angle. Such a model, according to these authors, should be characterised by three fundamental vibrational frequencies. Each tries to associate the three well-known bands of absorption at 14.66µ, 4.25µ and 2.73µ with these predicted frequencies. The model does not anticipate a fourth weak band which I found at 2.02µ (Phys. 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Bjerrum (Deutsch. Phys. Ges., 16, 737, 1914) has made a study of this molecule and has decided that the atomic nuclei lie at the corners of an isosceles triangle the apex angle of which is either 145° or 40°.6. Dennison (Phil. Mag. (7), 1, 195, 1926) decides in favour of the former angle. Such a model, according to these authors, should be characterised by three fundamental vibrational frequencies. Each tries to associate the three well-known bands of absorption at 14.66µ, 4.25µ and 2.73µ with these predicted frequencies. The model does not anticipate a fourth weak band which I found at 2.02µ (Phys. Rev., 26, 469, 1925), especially since this is not harmonic with any of the other three.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><doi>10.1038/118082a0</doi><tpages>2</tpages></addata></record> |
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| title | The Molecular Spectrum of Carbon Dioxide |
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