Page 48 - Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005)

IR-2.14 G R A M M A R

Example:
1
6.
4 O 2
HSb SbH
O
3
1,3,2,4-dioxadistibetane
(e) In the Hantzsch–Widman nomenclature (Section IR-6.2.4.3), to denote i ndicated
hydrogen.

Example:

7. H
3 Ge
HSi SiH 2
2 1
1H-1,2,3-disilagermirene

(f) In substitutive nomenclature, to specify the positions of substituent g roups.

Example:

8.
1 2 3 4 5
HOSiH 2 SiH 2 SiH 2 SiHClSiH 2 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 a p olycyclic ring system.

Example:

10. H 2 H 2
Si H Si
10 Si 2
H 2 Si 9 3 SiH 2
1
8 6 4
H 2 Si 7 Si 5 SiH 2
Si H Si
H 2 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 5 4
½ðOCÞ 5 ReCoðCOÞ 4 nonacarbonyl-1k C,2k C-rheniumcobalt(Re—Co)

39