Die Kristall- und Molekülstruktur von Bis(trimethylsilyl)diimin

Veith, Michael; Bärnighausen, H.

doi:10.1107/s056774087400584x

Cited by 120 publications

(51 citation statements)

References 7 publications

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“…The exception is Me 3 Si N N SiMe 3 6a, for which a rather short bond length d N−N = 117 pm (calcd. 124.7 pm) has been reported [35]. In contrast with d N−N , the bond angles at the nitrogen atoms depend significantly on the nature of the substituents as well as on cis-or trans-geometry (see Table 3 for some examples).…”

Section: Structuresmentioning

confidence: 94%

Bis(trimethylsilyl)diazene revisited. Density functional theory (DFT) calculations of nitrogen NMR parameters of some azo‐compounds

Wrackmeyer

Köhler

2005

Heteroatom Chemistry

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Section: Structuresmentioning

confidence: 94%

Bis(trimethylsilyl)diazene revisited. Density functional theory (DFT) calculations of nitrogen NMR parameters of some azo‐compounds

Wrackmeyer

Köhler

2005

Heteroatom Chemistry

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“…Single crystal for X-ray diffraction was performed on a Bruker-AXS, D8 venture, photon detector, tube: incotec microfokus (Mo Kα radiation, Bruker, Germany) under oxygen-and moisture-free conditions at temperatures below −100 • C using a special device of local design [22]. All data collections were performed at −140 • C. After semiempirical absorption corrections, the structure was solved by direct methods and refined using the program SHELXTL [23,24].…”

Section: Methodsmentioning

confidence: 99%

Synthesis, Characterization, and Crystal Structure of a Triazine Anion Pentafluoroosmium(VI) Complex

et al. 2018

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Abstract:The synthesis and characterization of a novel triazine anion pentafluoroosmium(VI) complex are presented. The single crystal determination of the title compound (hereafter denoted 1) was carried out at −140 • C. Compound 1, C 3 F 4 N 3 OsF 5 , crystallizes in the monoclinic space group, P2 1 /n, with unit cell dimensions: a = 8.6809(17) Å, b = 7.6848(15) Å, c = 12.415(3) Å, β = 102.633(4) • , V = 808.2(3) Å 3 , and Z = 4. Synthesis, characterization, X-ray diffraction study along with the crystal supramolecular analysis of the title complex were carried out. The complex contains the anionic triazine unit C 3 N 3 F 4 − acting as a mono dentate ligand to osmium(VI) with five fluoro ligands in a slightly distorted octahedral geometry around osmium(VI) ion (osmium is denoted as Os). The C 3 N 3 F 4 − , triazine anion ring deviates from planarity, only with the C1 being tetrahedral.The crystal lattice of the title compound displays significant intermolecular X···X interactions, namly F···F, F···N and F···C. All types of X···X bonding consolidate to form a three-dimensional network.

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“…(CH3),NC -trans-(CH,O),TeF; crystallizes from relatively concentrated solutions in the form of large, rectangular, colorless crystals. In each case a suitable crystal was placed on a CAD-4 diffractometer (Mo,,, graphite monochromator) with a special apparatus [15]. Pc,dI.…”

Section: Methodsmentioning

confidence: 99%

The Pentagonal Bipyramid as Fundamental Structure for Compounds with the Coordination Number Seven

Mahjoub

Drews

Seppelt

1992

Angew. Chem. Int. Ed. Engl.

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A capped octahedron, a capped trigonal prism, and a pentagonal bipyramid are the three structural types possible for compounds with coordination number 7. TeF 7−, CH3OTeF 6−, and trans‐(CH3O)2TeF 5− are all pentagonal bipyramidal; the large methoxy groups take up axial positions. The equatorial F atoms deviate slightly from an ideal plane. The picture on the right shows the crystal structure of TeF 7−, which contains fourfold disordered equatorial fluorine atoms.

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Die Kristall- und Molekülstruktur von Bis(trimethylsilyl)diimin

Cited by 120 publications

References 7 publications

Bis(trimethylsilyl)diazene revisited. Density functional theory (DFT) calculations of nitrogen NMR parameters of some azo‐compounds

Bis(trimethylsilyl)diazene revisited. Density functional theory (DFT) calculations of nitrogen NMR parameters of some azo‐compounds

Synthesis, Characterization, and Crystal Structure of a Triazine Anion Pentafluoroosmium(VI) Complex

The Pentagonal Bipyramid as Fundamental Structure for Compounds with the Coordination Number Seven

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