Preparation, structure and reactivity of the nonbonded organoditantalum(IV) complexes (. eta. -C sub 5 Me sub 4 Ta sub 2 (. mu. -X) sub 4 ) (R = Me, Et; X = Cl, Br), precursors to the doubly bonded organoditantalum(III) complexes (. eta. -C sub 5 Me sub 4 R) sub 2 Ta sub 2 (. mu. -X) sub 4

Journal Article · Wed Jan 25 00:00:00 EST 1989 · Inorganic Chemistry; (USA)

DOI:https://doi.org/10.1021/ic00301a002· OSTI ID:5145684

Ting, Ching; Messerle, L ^[1]

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1. Univ. of Iowa, Iowa City (USA)

It is reported that a dinuclear organoditantalum(IV) complex is an isolable intermediate in the reductive dimerization of the mononuclear (peralkylcyclopentadienyl)-tantalum(V) complexes ({eta} -C{sub 5}Me{sub 4}R)TaX{sub 4} where R=Me, Et; X=Cl, Br to the doubly bonded organoditantalum(III) complexes ({eta}-C{sub 5}Me{sub 4}R{sub 2})Ta({mu}-x){sub 4}. This intermediate compound was found to be paramagnetic in solution and to have a solid-state structure with two bridging halogen atoms and no tantalum-tantalum bonding interaction. The reactivity of this intermediate complex should render it very useful for the preparation of other Ta(IV) complexes and, through oxidative addition, Ta(V) organometallics. 4 tabs., 1 fig., 21 refs.

• DOE Contract Number: FG22-85PC80513
• OSTI ID: 5145684
• Journal Information: Inorganic Chemistry; (USA), Vol. 28:2; ISSN 0020-1669
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ALKANES
CHEMICAL PREPARATION
BROMINE COMPOUNDS
CHLORINE COMPOUNDS
ORGANOMETALLIC COMPOUNDS
TANTALUM COMPOUNDS
EXPERIMENTAL DATA
MOLECULAR STRUCTURE
PARAMAGNETISM
DATA
HALOGEN COMPOUNDS
HYDROCARBONS
INFORMATION
MAGNETISM
NUMERICAL DATA
ORGANIC COMPOUNDS
REFRACTORY METAL COMPOUNDS
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
400201* - Chemical & Physicochemical Properties