Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Nuclear Transmutation03:20

Nuclear Transmutation

Nuclear transmutation is the conversion of one nuclide into another. It can occur by the radioactive decay of a nucleus, or the reaction of a nucleus with another particle. The first manmade nucleus was produced in Ernest Rutherford’s laboratory in 1919 by a transmutation reaction, the bombardment of one type of nuclei with other nuclei or with neutrons. Rutherford bombarded nitrogen-14 atoms with high-speed α particles from a natural radioactive isotope of radium and observed protons being...
Coordination Number and Geometry02:57

Coordination Number and Geometry

For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to molecular geometry. The most common structures of the complexes in coordination compounds are octahedral, tetrahedral, and square planar.
Valence Bond Theory02:42

Valence Bond Theory

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...
Coordination Compounds and Nomenclature02:54

Coordination Compounds and Nomenclature

In most main group element compounds, the valence electrons of the isolated atoms combine to form chemical bonds that satisfy the octet rule. For instance, the four valence electrons of carbon overlap with electrons from four hydrogen atoms to form CH4. The one valence electron leaves sodium and adds to the seven valence electrons of chlorine to form the ionic formula unit NaCl (Figure 1a). Transition metals do not normally bond in this fashion. They primarily form coordinate covalent bonds, a...
Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions01:20

Diazonium Group Substitution with Halogens and Cyanide: Sandmeyer and Schiemann Reactions

Arenediazonium substitution reactions occur when the diazonium group is substituted by various functional groups such as halides, hydroxyl, nitrile, etc. For instance, arenediazonium salts react with copper(I) salts of chloride, bromide, or cyanide to form corresponding aryl chlorides, bromides, and nitriles. These reactions are named Sandmeyer reactions. Although the mechanism of this reaction is complicated, as illustrated in Figure 1, they are believed to progress via an aryl copper...
Metallic Solids02:37

Metallic Solids

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. Many...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Unraveling pH-Dependent Changes in Adsorption Structure of Uranyl on Alumina (012).

The journal of physical chemistry letters·2024
Same author

Solvent effects on extractant conformational energetics in liquid-liquid extraction: a simulation study of molecular solvents and ionic liquids.

Physical chemistry chemical physics : PCCP·2023
Same author

Magnetic Properties of Tetravalent Pu in the Perovskites BaPuO<sub>3</sub> and SrPuO<sub>3</sub>.

Inorganic chemistry·2023
Same author

Correction to "Advancing Chemical Separations: Unraveling the Structure and Dynamics of Phase Splitting in Liquid-Liquid Extraction".

The journal of physical chemistry. B·2023
Same author

Adsorptive removal of iodate oxyanions from water using a Zr-based metal-organic framework.

Chemical communications (Cambridge, England)·2023
Same author

Advancing Chemical Separations: Unraveling the Structure and Dynamics of Phase Splitting in Liquid-Liquid Extraction.

The journal of physical chemistry. B·2022

Related Experiment Video

Updated: Jun 1, 2026

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of Chalcogenidoplumbates(II or IV)
10:42

Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of Chalcogenidoplumbates(II or IV)

Published on: December 29, 2016

Neptunium(III) copper(I) diselenide.

Daniel M Wells, S Skanthakumar, L Soderholm

    Acta Crystallographica. Section E, Structure Reports Online
    |May 18, 2011
    PubMed
    Summary

    Researchers synthesized NpCuSe(2), the first neptunium transition-metal chalcogenide. This novel compound features a unique layered structure with assigned formal oxidation states, advancing materials science.

    Area of Science:

    • Solid-state chemistry
    • Inorganic materials science
    • Actinide chemistry

    Background:

    • Ternary transition-metal chalcogenides are an important class of materials.
    • Neptunium-containing compounds are rare in scientific literature.
    • Understanding the synthesis and structure of novel actinide materials is crucial.

    Purpose of the Study:

    • To synthesize and characterize the first ternary neptunium transition-metal chalcogenide.
    • To determine the crystal structure and bonding of NpCuSe(2).
    • To assign formal oxidation states for the elements in the compound.

    Main Methods:

    • Synthesis from elemental components at 873 K in a fused-silica tube.
    • Single crystal growth via iodine-mediated vapor transport.

    More Related Videos

    Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
    08:39

    Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

    Published on: October 16, 2017

    Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
    08:15

    Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups

    Published on: February 11, 2012

    Related Experiment Videos

    Last Updated: Jun 1, 2026

    Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of Chalcogenidoplumbates(II or IV)
    10:42

    Combining Solid-state and Solution-based Techniques: Synthesis and Reactivity of Chalcogenidoplumbates(II or IV)

    Published on: December 29, 2016

    Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles
    08:39

    Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

    Published on: October 16, 2017

    Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
    08:15

    Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups

    Published on: February 11, 2012

  • X-ray crystallographic analysis to determine the structure.

    • Main Results:

    • NpCuSe(2) was successfully synthesized and single crystals were obtained.
    • The compound crystallizes in the LaCuS(2) structure type.
    • The structure consists of stacked layers of CuSe(4) tetrahedra and NpSe(7) prisms, with no Se-Se bonds.
    • Formal oxidation states were assigned as Np(+III), Cu(+I), and Se(-II).

    Conclusions:

    • NpCuSe(2) represents a new class of neptunium-based materials.
    • The layered structure and assigned oxidation states provide insights into bonding in ternary chalcogenides.
    • This work expands the known chemistry of neptunium compounds.