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Chemistry

D-Index
60
Citations
11625
World Ranking
9793
National Ranking
14

Overview

Koop Lammertsma is affiliated with the University of Johannesburg in South Africa. Their research spans several areas within chemistry and materials science, with a particular focus on crystallography, inorganic and organic chemistry, and catalytic processes.

Their recent publications include:

  • Performance of TDDFT Vertical Excitation Energies of Core-Substituted Naphthalene Diimides, 2020, Journal of Computational Chemistry
  • Easy Access to Phosphine-Borane Building Blocks, 2020, Chemistry - A European Journal
  • Synthesis, Structures, and Electronic Properties of O- and S-Heterocyclic Carbene Complexes of Iridium, Copper, Silver, and Gold, 2020, Organometallics
  • Racemization Pathway for MoO2(acac)2 Favored over Ray-Dutt, Bailar, and Conte-Hippler Twists, 2022, Inorganic Chemistry
  • A Computational Study of the MoO2(acac)2 Catalyzed Epoxidation of Ethylene with Hydrogen Peroxide and t-Butyl Hydroperoxide, 2022, ChemCatChem

Koop Lammertsma frequently collaborates with several researchers, including:

  • J. Chris Slootweg
  • Andreas W. Ehlers
  • Martin Nieger
  • Martin Lutz
  • Alfred Muller

Their work is published predominantly in venues such as:

  • The Cambridge Structural Database
  • Chemistry - A European Journal
  • IUCrData
  • Inorganic Chemistry
  • European Journal of Inorganic Chemistry

Koop Lammertsma's primary fields of study include Materials Science and Chemistry, with subfields focusing on Materials Chemistry, Inorganic Chemistry, Organic Chemistry, Oncology, and Renewable Energy, Sustainability and the Environment.

Specific research topics covered in their publications involve:

  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Asymmetric Hydrogenation and Catalysis
  • Organometallic Complex Synthesis and Catalysis
  • Metal complexes synthesis and properties
  • Crystal structures of chemical compounds
  • Metal-Catalyzed Oxygenation Mechanisms

Best Publications

  • Performance of the OPBE exchange-correlation functional

    Marcel Swart;Andreas W. Ehlers;Koop Lammertsma

  • Validation of Exchange-Correlation Functionals for Spin States of Iron Complexes

    Marcel Swart;André R. Groenhof;and Andreas W. Ehlers;Koop Lammertsma

  • Geminal phosphorus/aluminum-based frustrated Lewis pairs: C-H versus C≡C activation and CO2 fixation

    Christian Appelt;Hauke Westenberg;Federica Bertini;Andreas W. Ehlers

  • Nucleophilic Phosphinidene Complexes: Access and Applicability

    Halil Aktaş;J. Chris Slootweg;Koop Lammertsma

  • Electrophilic reactions at single bonds. 20. Selective monohalogenation of methane over supported acidic or platinum metal catalysts and hydrolysis of methyl halides over .gamma.-alumina-supported metal oxide/hydroxide catalysts. A feasible path for the oxidative conversion of methane into methyl alcohol/dimethyl ether

    George A. Olah;Balaram Gupta;Jeff D. Felberg;Wai M. Ip

  • Preorganized frustrated Lewis pairs.

    F. Bertini;V. Lyaskovskyy;B.J.J. Timmer;F.J.J. de Kanter

  • Ab Initio Density Functional Computations of Conformations and Bond Dissociation Energies for Hexahydro-1,3,5-trinitro-1,3,5-triazine

    Nathan J. Harris and;Koop Lammertsma

  • Onium Ylide chemistry. 1. Bifunctional acid-base-catalyzed conversion of heterosubstituted methanes into ethylene and derived hydrocarbons. The onium ylide mechanism of the C1 .fwdarw. C2 conversion

    George A. Olah;Hans Doggweiler;Jeff D. Felberg;Stephan Frohlich

  • Reaction of a P/Al-based frustrated Lewis pair with ammonia, borane, and amine-boranes: adduct formation and catalytic dehydrogenation.

    Appelt C;Slootweg Jc;Lammertsma K;Uhl W

  • Carbene-Like Chemistry of Phosphinidene Complexes − Reactions, Applications, and Mechanistic Insights

    Koop Lammertsma;Mark J. M. Vlaar

  • Organic Dications: Gas Phase Experiments and Theory in Concert

    Koop Lammertsma;Paul von Ragué Schleyer;Helmut Schwarz

  • Stereomutation of pentavalent compounds: validating the Berry pseudorotation, redressing Ugi's turnstile rotation, and revealing the two- and three-arm turnstiles.

    Erik P. A. Couzijn;J. Chris Slootweg;Andreas W. Ehlers;Koop Lammertsma

  • Nucleophilic or electrophilic phosphinidene Complex MLn=PH; what makes the difference ?

    Andreas W. Ehlers;Evert Jan Baerends;Koop Lammertsma

  • Scarcity of Rare Earth Elements

    M. A. de Boer;K. Lammertsma

  • Dimeric aluminum-phosphorus compounds as masked frustrated Lewis pairs for small molecule activation.

    Steffi Roters;Christian Appelt;Hauke Westenberg;Alexander Hepp

  • Electronic Ground States of Iron Porphyrin and of the First Species in the Catalytic Reaction Cycle of Cytochrome P450s

    André R. Groenhof;Marcel Swart;and Andreas W. Ehlers;Koop Lammertsma

  • A Phosphorus/Aluminum‐Based Frustrated Lewis Pair as an Ion Pair Receptor: Alkali Metal Hydride Adducts and Phase‐Transfer Catalysis

    Christian Appelt;J. Chris Slootweg;Koop Lammertsma;Werner Uhl

  • Imine .dblharw. enamine tautomerism

    Koop Lammertsma;Bharatam V. Prasad

  • Consistent Theoretical Description of 1,3-Dipolar Cycloaddition Reactions

    Stefan Grimme;Christian Mück-Lichtenfeld;Ernst-Ulrich Würthwein;Andreas W. Ehlers

  • Recent aspects of nitration: New preparative methods and mechanistic studies (A Review)

    George A. Olah;Subhash C. Narang;Judith A. Olah;Koop Lammertsma

  • N-Heterocyclic carbene functionalized iridium phosphinidene complex [Cp*(NHC)Ir=PMes*]: comparison of phosphinidene, imido, and carbene complexes.

    Arjan T. Termaten;Marius Schakel;Andreas W. Ehlers;Martin Lutz

Frequent Co-Authors

Andreas W. Ehlers
Andreas W. Ehlers University of Amsterdam
Martin Lutz
Martin Lutz Utrecht University
Anthony L. Spek
Anthony L. Spek Utrecht University
Paul v. R. Schleyer
Paul v. R. Schleyer University of Georgia
F. Matthias Bickelhaupt
F. Matthias Bickelhaupt Vrije Universiteit Amsterdam
George A. Olah
George A. Olah University of Southern California
Romano V. A. Orru
Romano V. A. Orru Maastricht University
Werner Uhl
Werner Uhl University of Münster
Eelco Ruijter
Eelco Ruijter Vrije Universiteit Amsterdam
Célia Fonseca Guerra
Célia Fonseca Guerra Vrije Universiteit Amsterdam

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