1980
DOI: 10.1016/s0022-328x(00)90627-2
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Titan—sticksoff-verbindungen XXIX. Kristall- und molekülstruktur spicocyclischer amide von titan und zirkonium mit dem liganden meSi(N-t-Bu)2

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Cited by 46 publications
(56 citation statements)
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“…2) Three molecules are significantly distorted along the spread pathway, two of them [65,66] also have a small bite bidentate ligand, and another one [67] with a large O-Ti-O bond angle (1138) undoubtedly due to the severe steric repulsion of the two mesitylalkoxide ligands present. 3) Some structures with S(T d ) > 5.0 and S(D 4h ) < 27 are nicely aligned along the plier distorsion path and are seen to have bidentate diimido ligands with a bite angle of less than 908, [M({NtBu} 2 SiMe 2 ) 2 ] (M Ti, Zr of Hf [68,69] ). The structure that is most distorted along the plier pathway is a perrhenate anion that has an unusual O-Re-O bond angle of 56.98 and a corresponding O ¥¥¥ O distance of 1.9 ä.…”
Section: Distribution Of Experimental Tetracoordinate Structuresmentioning
confidence: 99%
“…2) Three molecules are significantly distorted along the spread pathway, two of them [65,66] also have a small bite bidentate ligand, and another one [67] with a large O-Ti-O bond angle (1138) undoubtedly due to the severe steric repulsion of the two mesitylalkoxide ligands present. 3) Some structures with S(T d ) > 5.0 and S(D 4h ) < 27 are nicely aligned along the plier distorsion path and are seen to have bidentate diimido ligands with a bite angle of less than 908, [M({NtBu} 2 SiMe 2 ) 2 ] (M Ti, Zr of Hf [68,69] ). The structure that is most distorted along the plier pathway is a perrhenate anion that has an unusual O-Re-O bond angle of 56.98 and a corresponding O ¥¥¥ O distance of 1.9 ä.…”
Section: Distribution Of Experimental Tetracoordinate Structuresmentioning
confidence: 99%
“…As alluded to in the introduction, the binary species Zr[SiMe 2 (NR) 2 ] 2 adopts a different molecular structure (both in the solid state and in solution) depending on the identity of R (R ϭ iPr, dimer; [3] R ϭ tBu, monomer [5] ) and elsewhere [3] we proposed that the different steric hindrances of iPr and tBu should be responsible for this observation. Therefore, elucidation of the molecular structure of Zr[SiMe 2 (NtBu)(NiPr)] 2 (12) appeared interesting.…”
Section: Synthesis Of Zr[sime 2 (Ntbu)(nipr)]mentioning
confidence: 88%
“…[5] Moreover, as a consequence of the different structures, different physical and/or chemical properties are observed and expected for the metal derivatives. For instance, the above mentioned tert-butyl derivative Zr[SiMe 2 (NtBu) 2 ] 2 is volatile, [5] while the isopropyl analogue decomposes at about 430 K without subliming.…”
Section: Methodsmentioning
confidence: 99%
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