Landolt-Brnstein Group II
: Molecules and Radicals
Volume 9 

Magnetic Properties of Free Radicals 

Subvolume D2 Organic Cation Radicals and Polyradicals. Index of Substances for Volumes II/1 and II/9 
Title Page, Preface 
General introduction (H. FISCHER) 1

18 
Aromatic hydrocarbon cation radicals 5

(K.
 ISHIZU, K. WATANABE, H. OHYA-NISHIGUCHI)
18.0 
Introduction 5

18.1 
Cation radicals from aromatic hydrocarbon compounds and their alkyl derivatives 6

18.2 
Cation radicals from halogenated aromatic hydrocarbons 19

18.3 
References for 18.1 and 18.2 21

19 
Cation radicals from nitrogen-containing compounds (S.F. NELSEN) 22

19.0 
Introduction 22

19.1 
Alkyl and H-substituted amines 25

19.2 
Aromatic amines 28

19.3 
Unsaturated amines 60

19.4 
[N-N] compounds 93

19.5 
[N-O] compounds 116

19.6 
Miscellaneous/uncertain structure 119

19.7 
References for 19 120

20 
Aromatic cation radicals containing O and S atoms 124

(K.
 ISHIZU, K. WATANABE, H. OHYA-NISHIGUCHI)
20.0 
Introduction 124

20.1 
Radicals containing O and/or S atoms substituted into the aryl groups 125

20.2 
Heterocyclic compounds containing O and/or S atoms as ring members 142

20.3 
References for 20.1 and 20.2 147

21 
Organic C-, O-, and N-centered bi- and polyradicals 148

(G.
 KOTHE, W. WILKER)
21.0 
Introduction 148

21.1 
Carbon-centered polyradicals 151

21.2 
Oxygen-centered polyradicals 160

21.3 
Nitrogen-centered polyradicals 172

21.4 
References for 21.1 - 21.3 188

22 
Organic bis- and polynitroxides (A.R. FORRESTER) 190

22.0 
Introduction 190

22.1 
Bisnitroxides 191

22.2 
Trisnitroxides 293

22.3 
Tetrakisnitroxides 299

22.4 
Pentakis(piperidinyl-1-oxyls) 303

22.5 
Hexakis(piperidinyl-1-oxyls) 305

22.6 
Phenoxyl nitroxide 308

22.7 
References for 22.1 - 22.6 309


Index of substances for Volumes II/1 and II/9 313


