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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F13%3A10189992%21RIV14-MSM-11310___
rdf:type
n9:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1021/om400624y
dcterms:description
Bis(decamethyltitanocene) oxide, [(Cp-2*Ti)(2)O] (1; Cp* = eta(5)-C5Me5) has been obtained as a yellow crystalline solid after reacting equimolar amounts of the hydride [Cp-2*TiH] and the hydroxide [Cp-2*Ti(OH)]. The solid-state structure of I revealed a linear Ti-O-Ti arrangement and a mutual, nearly perpendicular orientation of the bent-sandwich titanocene moieties; the length of both Ti-O bonds amounted to 1.9080(3) angstrom. A unique structural feature was a close-to-eclipsed conformation of the cyclopentadienyl ligands, attributed to the high steric congestion of 1. The molecule in toluene glass exhibited a triplet state EPR spectrum of rhombic symmetry, having zero field splitting D = 0.02159 cm(-1) and E = 0.00230 cm(-1). The H-1 NMR spectrum of I in toluene-d(8) displays a paramagnetic resonance at delta 4.3 ppm (Delta nu(1/2) approximate to 270 Hz). Compound 1 reacts with 1 molar equiv of water to give [Cp-2*Ti(OH)]. In CD2Cl2, 1 is oxidized to yield the major product [(Cp*TiCl2)(2)O] and minor product [{Cp*Ti(Cl)O}(3)]. Bis(decamethyltitanocene) oxide, [(Cp-2*Ti)(2)O] (1; Cp* = eta(5)-C5Me5) has been obtained as a yellow crystalline solid after reacting equimolar amounts of the hydride [Cp-2*TiH] and the hydroxide [Cp-2*Ti(OH)]. The solid-state structure of I revealed a linear Ti-O-Ti arrangement and a mutual, nearly perpendicular orientation of the bent-sandwich titanocene moieties; the length of both Ti-O bonds amounted to 1.9080(3) angstrom. A unique structural feature was a close-to-eclipsed conformation of the cyclopentadienyl ligands, attributed to the high steric congestion of 1. The molecule in toluene glass exhibited a triplet state EPR spectrum of rhombic symmetry, having zero field splitting D = 0.02159 cm(-1) and E = 0.00230 cm(-1). The H-1 NMR spectrum of I in toluene-d(8) displays a paramagnetic resonance at delta 4.3 ppm (Delta nu(1/2) approximate to 270 Hz). Compound 1 reacts with 1 molar equiv of water to give [Cp-2*Ti(OH)]. In CD2Cl2, 1 is oxidized to yield the major product [(Cp*TiCl2)(2)O] and minor product [{Cp*Ti(Cl)O}(3)].
dcterms:title
Synthesis and Structure of Titanium(III) Bis(decamethyltitanocene) Oxide Synthesis and Structure of Titanium(III) Bis(decamethyltitanocene) Oxide
skos:prefLabel
Synthesis and Structure of Titanium(III) Bis(decamethyltitanocene) Oxide Synthesis and Structure of Titanium(III) Bis(decamethyltitanocene) Oxide
skos:notation
RIV/00216208:11310/13:10189992!RIV14-MSM-11310___
n9:predkladatel
n10:orjk%3A11310
n4:aktivita
n14:I n14:P n14:Z
n4:aktivity
I, P(GAP207/12/2368), P(GP203/09/P276), Z(MSM0021620857)
n4:cisloPeriodika
21
n4:dodaniDat
n17:2014
n4:domaciTvurceVysledku
n20:3157962
n4:druhVysledku
n12:J
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n5:predkladatel
n4:idSjednocenehoVysledku
109490
n4:idVysledku
RIV/00216208:11310/13:10189992
n4:jazykVysledku
n18:eng
n4:klicovaSlova
carbon-dioxide; methylene groups; internal alkynes; permethyltitanocene derivatives; crystal-structure; exchange interactions; molecular-structure; X-ray structure; dicarboxylic-acid dianions; binuclear dicyclopentadienyltitanium(III) complexes
n4:klicoveSlovo
n15:binuclear%20dicyclopentadienyltitanium%28III%29%20complexes n15:X-ray%20structure n15:exchange%20interactions n15:methylene%20groups n15:carbon-dioxide n15:permethyltitanocene%20derivatives n15:crystal-structure n15:dicarboxylic-acid%20dianions n15:internal%20alkynes n15:molecular-structure
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[6013F00251EB]
n4:nazevZdroje
Organometallics
n4:obor
n22:CF
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
6
n4:projekt
n19:GAP207%2F12%2F2368 n19:GP203%2F09%2FP276
n4:rokUplatneniVysledku
n17:2013
n4:svazekPeriodika
32
n4:tvurceVysledku
Císařová, Ivana Kubišta, Jiří Pinkas, Jiří Mach, Karel Horáček, Michal Gyepes, Robert
n4:wos
000326955700024
n4:zamer
n7:MSM0021620857
s:issn
0276-7333
s:numberOfPages
9
n21:doi
10.1021/om400624y
n11:organizacniJednotka
11310