{"id":37828,"date":"2020-11-29T14:26:00","date_gmt":"2020-11-29T13:26:00","guid":{"rendered":"https:\/\/rinconeducativo.org\/?post_type=re_efemeride&p=37828"},"modified":"2024-11-29T08:50:28","modified_gmt":"2024-11-29T07:50:28","slug":"november-29-1981-birth-isabel-knaggs-contributed-development-x-ray-crystallography","status":"publish","type":"re_efemeride","link":"https:\/\/rinconeducativo.org\/en\/anniversaries\/november-29-1981-birth-isabel-knaggs-contributed-development-x-ray-crystallography\/","title":{"rendered":"November 29, 1981 - Birth of Isabel Knaggs, contributed to the development of X-ray crystallography"},"content":{"rendered":"
\n
\"Isabel<\/figure>\n<\/div>\n\n\n

She studied chemistry at Cambridge University and, after graduating, worked as a research assistant at the Cambridge Mineralogical Laboratory and taught geology at Bedford College.<\/p>\n\n\n\n

In 1921, he began a PhD at Imperial College London (University of London) and subsequently obtained a research fellowship and joined the group of William Henry Bragg, the co-founder of the new technique of X-ray<\/a> crystallography at the Royal Institution. In 1927, she obtained a permanent position at the Royal Institution.<\/p>\n\n\n\n

Isabel determined the structure of numerous compounds, including that of benzyl, in collaboration with Kathleen Lonsdale, and that of the cyanuric triazine, a powerful explosive.<\/p>\n\n\n\n

One of his most notable contributions was to establish that carbon atoms, in compounds with other atoms, adopt a tetrahedral coordination geometry. This was long before the development of Fourier synthesis techniques that allow the electron density of molecules studied by X-ray diffraction to be visualised.<\/p>\n\n\n\n

She has also been credited with applying chemical concepts, such as valence and the importance of spatial configuration, to X-ray crystallography.<\/p>\n\n\n\n

If you want to know more about this scientist, click on the following link: Isabel Ellie Knaggs<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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