DEAR NETTERS IS SOMEONE IN THE COMMUNITY AVARE OF MEASURED ORE CALCULATED PROTONAFFINITIES OF SATURATED HYDROCARBONS ? MY SEARCHES IN VARIOUS DATABASES AND STANDARD TABLES INCLUDING THE MOST RECENT NIST COMPILATION WAS NOT VERY SUCCESSFUL. I KNOW LOCATED ONLY THE VALUES FOR C1 - C3 AND FOR ISO-BUTANE. THANX TO ALL WHO WILL REPLY JAN HRUSAK Hrusak &$at$& jh-inst.cas.cz