ABSTRACT

I. Introduction and Outline .................................................................................................. 253

II. Definitions ........................................................................................................................ 255

III. Theory .............................................................................................................................. 255

IV. Experimental Conditions.................................................................................................. 258

V. Static Systems .................................................................................................................. 259

A. Resonance-Assisted Hydrogen Bonded Systems .................................................... 259

1. Transmission of Isotope Effects across Hydrogen Bonds ................................ 261

B. Non-RAHB Cases .................................................................................................... 262

C. Medium-and Long-Range Isotope Effects ............................................................. 264

D. Isotope Effects through Space ................................................................................. 264

E.