BOOK Atomic Spectra and Atomic Structure BY Gerhard Herzberg Research Professor of Physics I'nircrsity of Saskatchewan TRANSLATED WITH THE CO-OPERATION OF THE AUTHOR BY J. W. T. Spinks Profcitsnr of Physical Chemistry I'nicersity of Saskatchewan NEW YORK DOVER PUBLICATIONS 1944 COPYRIGHT, 1937, BY PRENTICE-HALL, INC. COPYRIGHT, 1944, BY DOVER PUBLICATIONS ALL RIGHTS RESERVED. NO PART OF THIS BOOK MAY BB REPRODUCED IN ANY FORM, BY MIMEOGRAPH OR ANY OTHER MEANS, WITHOUT PERMISSION IN WRITING FROM THE PUBLISHERS. FIRST EDITION, 1937 SECOND EDITION, 1944 45-4509 Library of Congress Catalog Card Number: Manufactured in the United States of America Dover Publications, Inc. 180 Varick Street New York 14, N. Y. Preface to Second Edition present edition of this work contains a nunVxir of cor- THErections and additions; Birgc's new set of tun iainentai constants has been adopted throughout, and various tables, especially the table of ionization potentials, have been brought up to date. The author is indebted to Professor J. W. Ellis of the Univer- sity of California at Los Angeles for a list of errors and correc- tions; several of the author's students have also been helpful in pointing out certain- mistakes. The author is grateful to Dover Publications for their initiative and interest in making this book available again in a revised photo-offset edition in spite of war-time difficulties. G. II. SASKATOON, SASK., August, 1944. Preface present work is the translation of a volume published in 1 THEGerman by Theodor Steinkopff about a year ago. ^Atomic Spectra and Atomic Structure constitutes the first paWfcf a more comprehensive course on atomic and molecular spectra which the author has prepared and given recently. Though in the past few years several excellent accounts have been written on the subject of atomic spectra (cf. bibliography), there is still a need for an
