scholarly journals Cluster Chemistry with ( Pseudo -)Tetrahedra Involving Group 13–15 (Semi-)Metal Atoms

CCS Chemistry ◽  
2021 ◽  
pp. 1-36
Author(s):  
Fuxing Pan ◽  
Lukas Guggolz ◽  
Stefanie Dehnen
Keyword(s):  
Group 13 ◽  
Cluster Chemistry ◽  
Metal Atoms

Cluster Chemistry. XLVII. X-Ray Crystal Structure of OsPt2(μ-CO)3(CO)2(PPh3)3

1986 ◽  
Vol 39 (12) ◽  
pp. 2145 ◽  
Author(s):  
MI Bruce ◽  
MR Snow ◽  
ERT Tiekink
Keyword(s):  
Crystal Structure ◽  
X Ray Diffraction ◽  
Cluster Chemistry ◽  
Triclinic Space Group ◽  
X Ray ◽  
Metal Atoms ◽  
Metal Metal ◽  
Cell Dimensions ◽  
Unit Cell Dimensions ◽  
Triphenylphosphine Ligand

The crystal structure of OsPt2(μ-CO)3(CO)2(PPh3)3 has been determined by single-crystal X-ray diffraction techniques. Crystals are triclinic, space group Pī with unit cell dimensions a 13.593(4), b 15.839(4), c 12.633(8) Ǻ, α 102.97(3), β 108.18(2), γ 84.86(3)° with Z2. The structure was refined by a full-matrix least-squares procedure on 5896 reflections [I ≥ 2.5σ(I)] to final R 0.028 and Rw 0.034. A triphenylphosphine ligand binds each of the metal atoms disposed at the corners of a triangle. Each metal-metal bond is spanned by a bridging carbonyl group. The coordination about the osmium atom is completed by two terminal carbonyl groups.

The reactivity of the high-energy intermediates formed in the reactions of Group 13 metal atoms and aromatic alkenes

1998 ◽  
Vol 76 (4) ◽  
pp. 400-406 ◽  
Author(s):  
Helen A Joly ◽  
Maria Kepes ◽  
Natalie Roy ◽  
Jason Prpic
Keyword(s):  
Metal Atom ◽  
High Energy ◽  
Spectroscopic Studies ◽  
Reductive Coupling ◽  
Group 13 ◽  
Metal Atoms ◽  
Metal Atom Reactions ◽  
Cis And Trans ◽  
Rotating Cryostat

Group 13 metal atoms were reacted with aromatic alkenes in a specialized metal atom reactor known as a "rotating cryostat." The nature of the intermediates formed was deduced from a GC-MS study of their hydrolysis and deuterolysis products. The product studies suggest that 2-phenylaluminacyclopropane, cis- and trans-3,4-diphenylaluminacyclopentane, and cis- and trans- 2,4-diphenylaluminacyclopentane are formed when Al atoms react with styrene, and 2-methyl-2-phenylaluminacyclopropane and 3,4-dimethyl- 3,4-diphenylaluminacyclopentane are formed when Al atoms react with α -methylstyrene. These findings are consistent with the radicals detected in the EPR spectroscopic studies of Al-alkene reaction mixtures prepared under similar conditions. Mechanisms for the formation of the organoaluminium intermediates are discussed. Analogous organogallium intermediates are formed when gallium atoms react with styrene. The reductive coupling of styrene did not occur when In and Tl atoms were used. Only trace quantities of phenylethane were detected in the hydrolyzed reaction mixture.Key words: Group 13 metal atoms, aluminium atoms, organoaluminium intermediates, metal atom reactions.

Emission Spectra of Group 13 Metal Atoms and Indium Hydrides in Solid H2and D2

2004 ◽  
Vol 108 (24) ◽  
pp. 5169-5174 ◽  
Author(s):  
Xuefeng Wang ◽  
Bret Wolfe ◽  
Lester Andrews
Keyword(s):  
Emission Spectra ◽  
Group 13 ◽  
Metal Atoms

Aspects of ruthenium and osmium cluster chemistry

1982 ◽  
Vol 308 (1501) ◽  
pp. 5-15 ◽  
Keyword(s):  
Carbonyl Compounds ◽  
Growth Patterns ◽  
Cluster Chemistry ◽  
Metal Atoms ◽  
Cluster Carbonyl ◽  
Structure And Bonding

In this paper, we survey the synthesis, structure and bonding of a series of cluster carbonyl compounds of ruthenium and osmium containing from three to ten metal atoms. Members of this series include neutral, anionic hydrido and carbido clusters, all of which are derived from their [M 3 (CO) 12 ] parent. In general, the synthesis of these compounds involves the pyrolysis of either [M 3 (CO) 12 ] or, with osmium, some higher nuclearity cluster. The mechanism by which these reactions occur is believed to involve the form ation of highly unstable, unsaturated derivatives. Many of these clusters contain frameworks of metal atoms that may be regarded as fragments of close-packed metallic arrangements; others may be regarded as examples of tetrahedral growth patterns. They exhibit a new and diverse chemistry, much of which may now be understood in terms of simple bonding arguments.

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