Document Type

Thesis - Open Access

Award Date

1980

Degree Name

Master of Science (MS)

Department

Chemistry

First Advisor

William P. Jensen

Abstract

X-ray diffraction methods frequently give unequivocal answers about structure in the solid state. Single-crystal X-ray diffraction methods have been used for structure determination since the 1930’s. The primary aim of a crystal structure analysis by X-ray diffraction is to obtain a detailed picture of the contents of the crystal at the atomic level. Once this information is available, and the positions of the individual atoms are known precisely, one can calculate interatomic distances, bond angles, and other features of the molecular geometry that are of interest, such as the planarity of a particular group of atoms, the angles between planes, and torsion angles around bonds. Three compounds which are dichloro-bis)(bipyridyl)copper(0), N,N’-bis-cyclochxyl-2,2,4,4,-tetramethylcyclobutane-1,3-di-imine, and 1,3-dibromo-1.3-diphenyl-2-propanone are discussed in this thesis. The bromination of 1,3-diphenyl-2-propanone yields two isomeric 1,3-dibromo-1, 3-diphenyl-2-peopanones which have been separated into needle and plate dorms. These two isomers provide an interesting means of studying the conformations around the 1,2-bond and the 2,3-bond. The meso isomer was studied in this thesis. This assignment was based on a great deal of physiochemical data, relating both the solid state and solution structure in non-aqueous solvents such as nitromethane and nitrobenzene; and was first proven in the case of [Cu(bipy)2I]I by a full X-ray crystallographic study.

Library of Congress Subject Headings

X-ray crystallography
X-rays -- Diffractio

Format

application/pdf

Number of Pages

46

Publisher

South Dakota State University

Share

COinS