Chemistry Reference
In-Depth Information
14 Cyanoalkynes and
Cyanopolyynes:
From Crossed Beam
Experiments to
Astrochemistry
Nadia Balucani and Ralf I. Kaiser
CONTENTS
14.1 Introduction . .................................................. 285
14.2 The Crossed Molecular Beam Method . ........................ 290
14.3 Data Analysis . ................................................ 293
14.4 Results on the Reaction of the CN Radicals with
Simple Alkynes ................................................ 298
14.4.1 The Reaction CN
þ
C 2 H 2 ..............................298
14.4.2 The Reaction CN
þ
CH 3 CCH..........................303
CH 3 CCCH 3 ......................309
14.5 Conclusions and Outlook ...................................... 313
Acknowledgments . .................................................. 314
References . .......................................................... 315
14.4.3 The Reaction CN
þ
14.1 INTRODUCTION
In the last decades there has been much interest in the reaction of the
cyano radicals, CN
X 2
ð
þ Þ
, with a variety of molecules, mainly because
of their implication in combustion chemistry [1]. For this reason extensive
studies of CN reactions with simple molecules of relevance in combustion,
amongst which are simple unsaturated hydrocarbons, were performed [2-5].
More recently, a renewed interest in the reactions of CN radicals with simple
unsaturated hydrocarbons has arisen because of their alleged role in some
285
 
 
 
 
 
 
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