The Determination of the Structures of Methane Derivatives by the Electron Diffraction Method

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Abstract
The molecular structures of several bromine and iodine derivatives of methane have been determined by the electron diffraction method. For tertiary butyl bromide it has been found that the tertiary carbon atom has the tetrahedral angles between the valence bonds, and the interatomic distances are: tertiary C— methyl C 1.55A and tertiary C–Br 2.06A. In methyl bromide and iodide the C—X distances are 2.06 and 2.28A, respectively. In methylene bromide and iodide it has been found that the angle between the C—X bonds is 125° and the interatomic distances are: C–Br 2.03, Br–Br 3.61, C–I 2.28 and I–I 4.06A. In bromoform the angles formed by the C–Br bonds are 115°, and the interatomic distances are: C–Br 2.05 and Br–Br 3.46A.

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