Chivers T. - A Guide to Chalcogen-Nitrogen Chemistry (2005)(en)

							Subject Index		311
Cyanuric-thiazyl system				242
Cyclic chalcogen imides				3, 4, 111–119
Cyclic selenium imides				117–119
Cyclic sulfur imides		112–117
Cyclic tellurium imide, Te3(NtBu)3							117
Cycloaddition 69–71
Cycloaddition, NSF		142
Cyclocondensation		18, 22, 24, 262
Cyclometallathiazenes			125–129, 167, 265
Cyclopentathiazyl cation, [S5N5]+							97
Cyclophosphadithiatriazines, R2PS2N3 260, 261
Cyclotetrathiazene dioxide, S4N4O2							174
Cyclotetrathiazyl dication, [S4N4]2+							96
Cyclotetrathiazyl fluoride, (NSF)4							152
Cyclotrithiazyl cation, [S3N3]+						95
Cyclotrithiazyl chloride, (NSCl)3						149 –152
Cyclotrithiazyl fluoride, (NSF)3						149 –150
D
Diaminopolyselanes, Sex(NR2)2						199
Diaminoselanes, Se(NR2)2					199
Diaminosulfanes, S(NR2)2					199
Diaminotellanes, Te(NR2)2					31, 199
Diazasulfite anions		170
Dibenzenesulfenamino radical, [(PhS)2N]•								202
Diels-Alder	182, 248
Diffraction techniques			33 –36
Dihalocyclotetrathiazenes					152
N,N•-Dimethylthionitrosamine, Me2NNS								181
Dinitrogen sulfide, N2S				82
Diphosphadithiatetrazocines					261
Diradical	223, 224
Diselenadiazolyl radicals				217
Diselenium dinitride, Se2N2					83
Disproportionation energies					218, 226
Disulfur dinitride, S2N2				83, 84
Ditelluradiazolyls, [RCTe2N2]•						31
Dithiadiazenes, ArNSNSAr•					284
1,2,3,5-Dithiadiazolium cation						214 –216
1,3,2,4-Dithiadiazolium cation						221
1,2,3,5-Dithiadiazolyl radicals						67, 217–220
1,3,2,4-Dithiadiazolyl radicals						222

312						Subject Index
1,2,3,5-Dithiadiazolyls			67
Dithianitronium cation, [S2N]+					92
Dithiatetrazocines		64, 72, 248 –250
Dithiatriazines	66, 221, 243
Dithiatriazyl cation, [S2N3]+				95
1,2,3-Dithiazolium		224
1,3,2-Dithiazolium		226
1,2,3-Dithiazolyls		226
1,3,2-Dithiazolyls		67, 226
Doping, halogens		281
E
Eight-membered rings, (RSeN)4					36
Electrochemical reduction, S4N4					41, 74
Electrochemical reduction, [S5N5]+						43
Electrochemical studies			41, 42, 218 –220
Electron density studies			187, 197
Electron diffraction		31, 32, 144, 145, 187, 245
Electron-counting procedure				5
Electronegativities		1, 166
Electronic structures		53 –68
Electron-rich aromatics			53, 58
EPR spectroscopy		37– 41, 222
[Et4P2N4S2]2+ dication			263
F
Ferromagnet	217
Fluxional process		37, 75, 254
Fremy’s salt	37
Frontier orbital theory			69 –73
G
Glass transition temperature (Tg)					286, 288
Glutathione peroxidase			302
Gunpowder reaction		164
H
Halogen exchange		133, 150, 152
N-Halosulfinylamines			168
Heat of formation, Se4N4			85
Heterocyclothiazenes 259 –273
Heterocyclothiazenes, bonding					60

							Subject Index		313
Hückel rule		5, 53, 58, 91
Hund’s rule		60
Hypervalent		299
I
Imidoselenium(II) dihalides						118 –157
Imidoselenium(IV) dihalides						156
Imidosulfur(IV) dihalides					156
Imidotellurium dihalides					156
Imidotelluroxane			169
Infrared spectroscopy				46
Intermolecular association						66 –68
Intermolecular S…S interactions							62
Intermolecular Te…N contacts							31
Intermolecular π*- π* interactions							7, 8
Intramolecular chalcogen-chalcogen interactions									63 –65
Intramolecular chalcogen-nitrogen interactions 294 –306
Intramolecular Se…N interaction							299, 302
Intramolecular π*- π* interactions							6, 7, 65
Ionization potential, NS					81
Ionization potentials, S4N4						43
Ipsocentric ring current					59
Isolobal	60, 73, 240, 260
Isotactic	290
Isotopic labelling, 33S				38
Isotopic substitution, 15N, 34S, 76Se and 80Se								46, 82
J
Jahn-Teller distortion				6, 63, 64, 153, 244, 249 –251
M
Macrocycles		287
Magnetic behaviour				7, 68, 219
Mass spectrometry				47
Matrix isolation			81, 141
MCD spectroscopy				45
Metallic behaviour				218
1,3-Metallotropic shift 265
Methane disulfonic acid, imido analogue								199
Methylenetriimido sulfate, [CH2S(NtBu)3]2-								198
Microwave spectroscopy					32, 141, 144, 146, 168
Molecular conductors				68, 217, 226
Molecular wires			57, 285

314				Subject Index
N
Negative hyperconjugation			148
15N-enriched [S3N]-	100
15N-enriched S7NH	23
15N-enrichment, S415N4		47
Nitric oxide, biological storage				5
Nitric oxide, biological transport				171
3-Nitrido 155
Nitrogen diselenide, NSe2		82
Nitrogen disulfide, NS2		82
1,3-Nitrogen shifts	34, 74, 75, 254
S-Nitrososelenols, RSeNO			172
S-Nitrosothiols, RSNO		172
15N-labelled S-N compounds			19
15N-15N coupling	34
NMR, inverse detection		35
NMR spectroscopy, 14N		33

NMR spectroscopy, 15N 33 –35, 74, 101, 168, 174, 261

NMR spectroscopy, 33S		35
NMR spectroscopy, 77Se		35, 36, 305
NMR spectroscopy, 125Te		35
Norbornadiene adduct, RCS2N3				69, 243
Norbornadiene adduct, R2PS2N3				261
Norbornadiene adduct, [S3N3]+				95
Norbornadiene adduct, S4N2			84
O
Organoselenium(IV) azides			202
Organoselenenyl azides, RSeN3				201
Organosulfenyl azides, RSN3			201
Organotellurium(IV) azides			202
Organotin derivative, Me2SnN2S2				265
Oxidation states	2, 8 –10, 296
5-Oxo-1,3,2,4-dithiadiazole, S2N2CO					223
Oxygen sensors	289
P
Paramagnetic ligand 220
Peierls instability	217
Pentaazidotellurite anion, [Te(N3)5]-					90
Pentafluorosulfur amine, H2NSF5				145
Pentasulfur hexanitride, S5N6			89

					Subject Index		315
Perthionitrite anion, [SSNO]-				164
Phosphazene-sulfanuric rings, [NS(O)Cl](NPCl2)y							270
Phosphazene-thiazyl rings, (R2PN)(NSX)y						268
Photoelectron spectroscopy				43
Photoisomerization		251
[Ph4P2N4S2]2- dianion		263 –265
PN2Te ring 26, 267
P(V)2N4Se2 ring	270
P(III)2N4S2 ring	267
Polymer, (SNBr0.4)x		262
Polymers, (RCNSN)x		212, 281
Poly(sulfur nitride), (SN)x			23, 278 –280
Poly(sulfur nitride), (SN)x, bonding					56, 57, 279
Poly(thionylphosphazenes)				286 –289
Poly(thiophosphazene)			285
p-type doping	218, 280
R
Radical dimerization		66 –68
Raman spectroscopy		46
Reactivity patterns		47–48
Regiochemistry	69
Rietveld analysis, S4N4			86
Ring contraction	74, 87, 153, 174
Ring expansion	221, 268
Ring-opening polymerization				269, 285 –287
S
Sandwich complex, (S4N4H4)2Â$J&O24 115
1,2,3-Selenadiazole		232
1,2,5-Selenadiazole		228, 231
1,2-Selenazine	182
Selenazyl halides, complexes				144
Selenazyl monomer, SeN			81
Seleninylamine	169
Selenium(IV) diimides, RNSeNR					185, 187, 193
2-Selenobenzylamine		298
Selenodiselenazyl dichloride, [Se3N2Cl]Cl						149
Selenonitrosoarenes		182
Selenonitrosyl, metal complex 81, 124
Selenonium azides, [R3Se]N3				202
Silicon-nitrogen reagents			25

316	Subject Index
Spirocyclic sulfur(VI) system	269
Sulfanuric chloride, [NS(O)Cl]3	24, 153
Sulfanuric fluoride, [NS(O)F]3	153

Sulfanuric-phosphazene polymers (see polythionylphosphazenes)

Sulfanuric polymers		269
Sulfenamido anion, [RSNR•@-					203
Sulfenyl nitrenes, RSN			201
Sulfimide anion, [NSPh2]-, complexes						209
Sulfinimidamide	191
Sulfinimidinates	170, 191
Sulfonyl diimide, (RN)2SO				197
Sulfonyl imide, RNSO2			197
Sulfur diamides (see diaminosulfanes)
Sulfur diimide, HNSNH			99
Sulfur diimide anions, [RNSN]-					99, 186
Sulfur diimide anions, [RNSN]-, complexes							135
Sulfur diimides, RNSNH			187
Sulfur diimides, RNSNR			186 –193, 281
Sulfur diimides, RNSNR, complexes						188
Sulfur diimides, radical anions					190
Sulfur diimides, unsymmetrical, ArNSNSAr•							284
Sulfur imide, SNH, complexes					131
Sulfur in liquid ammonia			34, 101
Sulfur triimides, S(NR)3			146, 197
Sulfur-nitrogen anions			34, 98 –103
Sulfur-nitrogen bonds, bent				113
Sulfur-nitrogen bonds, dissociation energies							172
Sulfur-nitrogen bonds, rotation barrier						172
Sulfur-nitrogen chains			56, 57, 281–285
Sulfur-nitrogen compounds, bonding						32
Sulfur-nitrogen radicals			37
Superconductor, (SN)X			56, 280
Syndiotactic 290
T
1,2,5-Telluradiazole		229 –231
Tellurenamides	200
Tellurinylamines (see Imidotelluroxanes)
Tellurium(IV) azide, Te(N3)4					24, 90
Tellurium azides	90
Tellurium(II) diamide (see diaminotellanes)
Tellurium(IV) diimides			185, 188, 189

						Subject Index			317
Tellurium(II) diamide, radical cation							201
Tellurium(IV)	imide		194, 196
Tellurium nitride		89
Tellurium(VI)-nitrogen bonds, formation								23
Tellurium-nitrogen chlorides					148
[Te2S2N4]2+ dication			155
Tellurium-sulfur-nitrogen chlorides 155
Tetraazathiapentalenes				298
Tetrachalcogen tetranitride, S2Se2N4							85, 262
Tetraimidosulfate, [S(NtBu)4]2-						197
Tetraselenium tetranitride, Se4N4						85, 88
Tetrasulfur dinitride, S4N2					84
Tetrasulfur pentanitride cation, [S4N5]+							97
Tetrasulfur tetranitride, S4N4					85 –88
Thermochromism		85, 262
Thermoplastics	269
1,2,5-Thiadiazoles		88, 228, 230, 231
Thiatetrazocine cation				252
Thiatriazinyls	68, 241
Thiatriazole 301
Thiazyl amide ligand, NSNMe2						133
Thiazyl azide, NSN3			151
Thiazyl cation, [SN]+			91
Thiazyl chloride, NSCl				141, 150, 201
Thiazyl fluoride, NSF			141–143
Thiazyl halides, complexes					132
Thiazyl hydroxide, NSOH					142
Thiazyl monomer, NS				81
Thiazyl trichloride, NSCl3					145
Thiazyl trifluoride, NSF3				143 –146
Thiazyl trifluoride, NSF3, complexes							134
Thiodithiazyl dichloride, [S3N2Cl]Cl							149
Thiodithiazyl oxide, S3N2O					174
Thionitrite anion, [SNO]-				164
Thionitrosamines, complexes					131
Thionitrosoarenes		181, 182, 184
Thionitrosyl chloride, SNCl					141
Thionitrosyl complexes				81, 123 –125
Thionyl imide, HNSO				142, 168
Thionyl imide anion, [NSO]-					164
Thionyl imide anion, [NSO]-, complexes								135
Thionylamines, RNSO				168

318						Subject Index
Thionylamines, RNSO, metal complexes							169
N-Thiosulfinylamines, RNSS					183
N-Thiosulfinylanilines			184
Thiotrithiazyl cation, [S4N3]+					96
Transannular S…S bond				72, 85
Transannular Te…N interactions 303
Triazido tellurium cation, [Te(N3)3]+						90
Tricyclic compound, MeSi(NSN)3SiMe3							267
Triimidoselenite, [Se(NtBu)3]2-					194 –197
Triimidosulfate, [OS(NtBu)3]2-					198
Triimidosulfite, [S(NtBu)3]2-					194 –197
Triimidotellurite, [Te(NtBu)3]2-					194 –197
Triselenadiazyl cations			93, 94
Trisulfenamides, (RS)3N				202
Trithiadiazepines	88, 247
Trithiadiazepyne	248
Trithiadiazines	245
Trithiadiazyl cations		93, 94
Trithiatetrazocine cation				252
Trithiatriazepines	88, 248
1,2,3,4-Trithiazolium radical cations						224
Tyrosine phosphatase			303
U
N,N•-Ureatotellurium imide				194
UV-Visible spectroscopy				45
V
Van der Waals radii		296
X
X-ray crystallography			30