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Numerical prefixes for multiplication of compound or complex (as in complicated) features are created by adding kis to the basic numerical prefix, with the exception of numbers 2 and 3, which are bis- and tris-, respectively.
The number of ligands coordinating is indicated by the prefixes di-, tri-, tetra- penta- etc. for simple ligands or bis-, tris-, tetrakis-, etc. for complex ligands. For example: For example: [CoCl(NH 3 ) 5 ]Cl 2 pentaamminechloridocobalt(3+) chloride where ammine (NH 3 )precedes chloride.
Tetrakis(trimethylsilyl)methane (TTMSM) is an organic compound with formula C 13 H 36 Si 4, consisting of four trimethylsilyl (Si(CH 3) 3) groups bonded to a central carbon atom.It is extremely sterically crowded but unlike with the all-carbon equivalent tetra-tert-butylmethane which is only known as a theoretical compound, the longer silicon-carbon bonds allow this compound to be synthesised.
Pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate) is a chemical compound composed of four sterically hindered phenols linked through a pentaerythritol core. It is used as primary antioxidant for stabilizing polymers , particularly polyethylene and polypropylene .
Tris(dimethylamino)gallium dimer, formally bis(μ-dimethylamino)tetrakis(dimethylamino)digallium, is an amide complex of gallium. This compound may be used as a precursor to other gallium complexes. This compound may be used as a precursor to other gallium complexes.
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In the following prefixes, a final vowel is normally dropped before a root that begins with a vowel, with the exceptions of bi-, which is extended to bis-before a vowel; among the other monosyllables, du-, di-, dvi-, and tri-, never vary.
Tetrakis(trimethylsilyl)silane is the organosilicon compound with the formula (Me 3 Si) 4 Si (where Me = CH 3). It is a colorless sublimable solid with a high melting point. The molecule has tetrahedral symmetry. The compound is notable as having silicon bonded to four other silicon atoms, like in elemental silicon.