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Related Concept Videos

Properties of Transition Metals02:58

Properties of Transition Metals

26.0K
Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
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Periodic Classification of the Elements04:00

Periodic Classification of the Elements

45.6K
The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
45.6K
Valence Bond Theory02:42

Valence Bond Theory

8.6K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
8.6K
Metallic Solids02:37

Metallic Solids

18.4K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
18.4K
The Periodic Table03:25

The Periodic Table

78.4K
As early chemists discovered more elements, they realized that various elements could be grouped by their similar chemical behaviors. One such grouping includes lithium (Li), sodium (Na), and potassium (K). All of these elements are shiny, conduct heat and electricity well, and have similar chemical properties. A second grouping includes calcium (Ca), strontium (Sr), and barium (Ba), which also are shiny, good conductors of heat and electricity, and have chemical properties in common. However,...
78.4K
Complexation Equilibria: Factors Influencing Stability of Complexes01:09

Complexation Equilibria: Factors Influencing Stability of Complexes

380
In complexation reactions, metal cations are the electron pair acceptors, and the ligands are the electron pair donors. The stability of the metal complexes depends primarily on the complexing ability of the central metal ion and the nature of the ligands. Generally, the complexing ability of the metal ion depends on the size and charge of the ion. As the metal ion size increases, the stability of the metal complexes decreases, provided that the valency of the metal ion and the ligands remain...
380

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Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of ChalcogenidoplumbatesII or IV
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Transition Metal Triple-decker Sandwich Complexes Containing Group 13 Elements.

Debipada Chatterjee1, Subhash Bairagi1, Sundargopal Ghosh1

  • 1Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India.

Chemistry, an Asian Journal
|November 9, 2023
PubMed
Summary

This review details the synthesis, structure, and bonding of transition metal triple-decker complexes with boron in the middle deck. These metallaboranes offer tunable properties for diverse applications.

Keywords:
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The Synthesis of [Sn10SiSiMe334]2- Using a Metastable SnI Halide Solution Synthesized via a Co-condensation Technique
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The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
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Area of Science:

  • Organometallic Chemistry
  • Materials Science
  • Boron Chemistry

Background:

  • Transition metal triple-decker complexes are sandwich compounds with unique structures and properties.
  • Boron-containing cycles readily form triple-decker complexes due to bifacial coordination.
  • Electron counting rules and theoretical studies enhance understanding of these complexes.

Purpose of the Study:

  • To review the synthesis, structures, and bonding of transition metal triple-decker complexes featuring a boron middle deck.
  • To highlight the versatility of these complexes as synthons for novel materials.

Main Methods:

  • Literature review of reported syntheses and structural characterizations.
  • Discussion of theoretical calculations and electron counting rules.

Main Results:

  • Successful isolation of various triple-decker complexes with boron in the middle deck.
  • Elaboration on the coordination chemistry of boron-containing cycles with transition metals.

Conclusions:

  • Transition metal triple-decker complexes with boron middle decks are well-established.
  • These complexes serve as valuable precursors for organometallic polymers with tunable electronic, optical, and magnetic properties.