Calculations of potential energy surfaces in the complex plane

III. Branch-point structure and rational fractionsFootnote†
Acknowledgment is made to the National Science Foundation (Grants GP-38815 and GP-33998X), the Air Force Office of Scientific Research (Contract F44620-74-C-0073), the Research Corporation, and the Donors of the Petroleum Research Fund, administered by the American Chemical Society, for partial support of this research.
Acknowledgment is made to the National Science Foundation (Grants GP-38815 and GP-33998X), the Air Force Office of Scientific Research (Contract F44620-74-C-0073), the Research Corporation, and the Donors of the Petroleum Research Fund, administered by the American Chemical Society, for partial support of this research.

Richard L. Jaffe Department of Chemistry, The University of Rochester, Rochester, New York, 14627, U.S.A.

Thomas F. George Department of Chemistry, The University of Rochester, Rochester, New York, 14627, U.S.A.

Keiji Morokuma Department of Chemistry, The University of Rochester, Rochester, New York, 14627, U.S.A.