Red_Book_2005

IR-2.14
Example:
6.
4
1
O 2
HSb
O
3
SbH
1,3,2,4-dioxadistibetane
(e) In the Hantzsch–Widman nomenclature (Section IR-6.2.4.3), to denote indicated
hydrogen.
Example:
7.
3
H
Ge
HSi SiH 2
2 1
1 H -1,2,3-disilagermirene
(f) In substitutive nomenclature, to specify the positions of substituent groups.
Example:
8.
1 2 3 4 5
HOSiH2 SiH2 SiH2 SiHClSiH2 Cl
4,5-dichloropentasilan-1-ol
(g) In substitutive nomenclature, to specify the skeletal atom at which an additive or
substractive operation is performed.
Example:
9. *
HNNH *
and HNNH hydrazine-1,2-diyl
(h) In von Baeyer names, to indicate the topology of apolycyclic ring system.
Example:
10.
H 2 H 2
Si H Si
10
2
H 2 Si 9 Si 3 SiH 1
2
8
H 2 Si 7 Si
Si H
H 2
6 4
5 SiH2 Si
H 2
bicyclo[4.4.0]decasilane
(i) In polynuclear coordination compounds, for numbering the central atoms (see Section
IR-9.2.5).
Example:
11.
1 2
½ðOCÞ 5 ReCoð COÞ 4
GRAMMAR
nonacarbonyl-1k 5 C ,2k 4 C -rheniumcobalt(Re—Co)
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