Page 32 - Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005)

IR-2.3 G R A M M A R

Examples:
2
2
1. [Pt(Z -C 2 H 4 )Cl 3 ] trichlorido(Z -ethene)platinate(II)
2. [Hg(CHCl 2 )Ph] (dichloromethyl)(phenyl)mercury

(b) Following multiplicative prefixes o f t he series bis, tris, etc., unless other enclosing marks
are to be used because of the nesting order (see Section IR-2.2.1).

Examples:
3. [CuCl 2 (NH 2 Me) 2 ] d ichloridobis(methylamine)copper(II)

diiron tris(sulfide)
4. Fe 2 S 3
(c) To enclose oxidation and charge numbers.

Example:

5. Na[B(NO 3 ) 4 ] s odium tetranitratoborate(III), or
sodium tetranitratoborate(1 )
(d) For radicals, to enclose the radical dot, and the charge number if appropriate.

Examples:
6. ClOO * chloridodioxygen( )
*
*
7. Cl 2 dichloride( * 1 )

(e) To enclose stoichiometric ratios for formal addition compounds.

Example:

8. 8H 2 S·46H 2 O h ydrogen sulfide — water (8/46)

(f) To enclose italic letters representing bonds between two ( or more) metal atoms in
coordination compounds.

Example:

9. [Mn 2 (CO) 10 ] b is(pentacarbonylmanganese)(Mn—Mn)

(g) To enclose stereochemical descriptors (see Section IR-9.3)

Examples:

10. Cl
H 3 N Cl
Co
H 3 N Cl
NH 3
[CoCl 3 (NH 3 ) 3 ] ( OC-6-22)-triamminetrichloridocobalt(III)

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