Page 81 - Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005)

T A B L E S T A B L E I V

Table IV Multiplicative prefixes

1 m ono 21 henicosa
a
b
2 d i (bis ) 22 docosa
3 t ri (tris) 23 tricosa
4 t etra (tetrakis) 30 triaconta
5 p enta (pentakis) 31 hentriaconta
6 h exa (hexakis) 35 pentatriaconta
7 h epta (heptakis) 40 tetraconta
8 o cta (octakis) 48 octatetraconta
9 n ona (nonakis) 50 pentaconta
10 deca (decakis) 52 dopentaconta
11 undeca 60 hexaconta
12 dodeca 70 heptaconta
13 trideca 80 octaconta
14 tetradeca 90 nonaconta
15 pentadeca 100 hecta
16 hexadeca 200 dicta
17 heptadeca 500 pentacta
18 octadeca 1000 kilia
19 nonadeca 2000 dilia
20 icosa

a
In the case of a l igand using two donor atoms, the term ‘bidentate’ rather than
‘didentate’ is recommended because of prevailing usage.
b
The prefixes bis, tris, etc. ( examples are given for 1–10 but continue
throughout) are used with composite ligand names or in order to avoid
ambiguity.

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