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Journal Articles: 41 results
The Electrochemical Synthesis of Transition-Metal Acetylacetonates  S. R. Long, S. R. Browning, and J. J. Lagowski
The electrochemical synthesis of transition-metal acetylacetonates can assist in the transformation of an entry-level laboratory course into a research-like environment where all members of a class are working on the same problem, but each student has a personal responsibility for the synthesis and characterization of a specific compound.
Long, S. R.; Browning, S. R.; Lagowski, J. J. J. Chem. Educ. 2008, 85, 1429.
Coordination Compounds |
Electrochemistry |
IR Spectroscopy |
Physical Properties |
Synthesis |
Transition Elements |
UV-Vis Spectroscopy
Prussian Blue: Artists' Pigment and Chemists' Sponge  Mike Ware
The variable composition of Prussian blue tantalized chemists until investigations by X-ray crystallography in the late 20th century explained its many properties and uses.
Ware, Mike. J. Chem. Educ. 2008, 85, 612.
Applications of Chemistry |
Coordination Compounds |
Dyes / Pigments |
Electrochemistry |
Oxidation / Reduction |
Photochemistry |
Toxicology
A Simple Method for Drawing Chiral Mononuclear Octahedral Metal Complexes  Aminou Mohamadou and Arnaud Haudrechy
This article presents a simple and progressive method to draw all of the octahedral complexes of coordination units with at least two different monodentate ligands and show their chiral properties.
Mohamadou, Aminou; Haudrechy, Arnaud. J. Chem. Educ. 2008, 85, 436.
Asymmetric Synthesis |
Chirality / Optical Activity |
Coordination Compounds |
Diastereomers |
Enantiomers |
Molecular Properties / Structure |
Stereochemistry |
Transition Elements
Can a Non-Chiral Object Be Made of Two Identical Chiral Moieties?  Jean François LeMaréchal
Uses the cut of an apple to show that the association of identical chiral moieties can form a non-chiral object.
LeMaréchal, Jean François. J. Chem. Educ. 2008, 85, 433.
Chirality / Optical Activity |
Coordination Compounds |
Enantiomers |
Group Theory / Symmetry |
Stereochemistry |
Transition Elements
Preparation and Characterization of Solid Co(II) Pyrimidinolates in a Multifaceted Undergraduate Laboratory Experiment  Norberto Masciocchi, Simona Galli, Angelo Sironi, Gabriella Dal Monte, Elisa Barea, Juan Manuel Salas, and Jorge A. R. Navarro
Presents an integrated set of experiments involving the [Co(4-pyrimidinolate)2(H2O)n] species, including synthesis; analytical characterization by conventional titration and colorimetric methods; thermal, spectroscopic and structural characterization; and advanced analytical techniques (XRF, XRD).
Masciocchi, Norberto; Galli, Simona; Sironi, Angelo; Dal Monte, Gabriella; Barea, Elisa; Salas, Juan Manuel; Navarro, Jorge A. R. J. Chem. Educ. 2008, 85, 422.
Coordination Compounds |
Solid State Chemistry |
Synthesis |
Thermal Analysis |
X-ray Crystallography
The Synthesis of Copper(II) Carboxylates Revisited  Kevin Kushner, Robert E. Spangler, Ralph A. Salazar, Jr., and J. J. Lagowski
Describes an electrochemical synthesis of copper(II) carboxylates for use in the general chemistry laboratory course for chemistry majors.
Kushner, Kevin; Spangler, Robert E.; Salazar, Ralph A., Jr.; Lagowski, J. J. J. Chem. Educ. 2006, 83, 1042.
Carboxylic Acids |
Coordination Compounds |
Electrochemistry |
Metals |
Solutions / Solvents |
Transition Elements |
Undergraduate Research |
Synthesis
Valence, Oxidation Number, and Formal Charge: Three Related but Fundamentally Different Concepts  Gerard Parkin
The purpose of this article is to clarify the terms valence, oxidation number, coordination number, formal charge, and number of bonds and illustrate how the valence of an atom in a molecule provides a much more meaningful criterion for establishing the chemical reasonableness of a molecule than does the oxidation number.
Parkin, Gerard. J. Chem. Educ. 2006, 83, 791.
Coordination Compounds |
Covalent Bonding |
Lewis Structures |
Oxidation State |
Nomenclature / Units / Symbols
The Discovery and Development of Cisplatin  Rebecca A. Alderden, Matthew D. Hall, and Trevor W. Hambley
Cisplatin is currently one of the most widely used anticancer drugs in the world. The unlikely events surrounding the discovery of its anticancer activity, subsequent introduction into the clinic, and the continuing research into platinum compounds is the subject of this review.
Alderden, Rebecca A.; Hall, Matthew D.; Hambley, Trevor W. J. Chem. Educ. 2006, 83, 728.
Bioinorganic Chemistry |
Coordination Compounds |
Drugs / Pharmaceuticals |
Medicinal Chemistry |
Metallic Bonding |
Oxidation State |
Synthesis
Valence, Covalence, Hypervalence, Oxidation State, and Coordination Number  Derek W. Smith
It is argued that the terms valence, covalence, hypervalence, oxidation state, and coordination number are often confused and misused in the literature. It is recommended that use of the term valence, and its associated terminology, should be restricted to simple molecular main group substances and to some oxoacids and derivatives, but avoided in both main group and transition element coordination chemistry.
Smith, Derek W. J. Chem. Educ. 2005, 82, 1202.
Coordination Compounds |
Covalent Bonding |
Main-Group Elements |
Oxidation State
Metal Complexes of Trifluoropentanedione. An Experiment for the General Chemistry Laboratory  Robert C. Sadoski, David Shipp, and Bill Durham
Investigation of the transition-metal complexes produced by the reactions of Cr(III), Mn(II), Fe(III), Co(II), Ni(II), and Cu(II) with 1,1,1-trifluoro-2,4-pentanedione; mass spectroscopy is used to determine the stoichiometry of the reaction products.
Sadoski, Robert C.; Shipp, David; Durham, Bill. J. Chem. Educ. 2001, 78, 665.
Coordination Compounds |
Synthesis |
Mass Spectrometry |
Transition Elements |
Stoichiometry
Thermochromic Solids  Jeffrey G. Hughes
The preparation of thermochromic compounds and various ways to use them.
Hughes, Jeffrey G. J. Chem. Educ. 1998, 75, 57.
Coordination Compounds |
Phases / Phase Transitions / Diagrams
Complexometric Titrations: Competition of Complexing Agents in the Determination of Water Hardness with EDTA  M. Cecilia Yappert and Donald B. DuPre
The competition of complexing agents for the same metal ion and the formation of colored metal-ion complexes is demonstrated with the use of an overhead projector. This demonstration can be used to emphasize both the relevance of the relative values of formation constants in the complexation of metal cations and the applicability of complexometric titrations in quantitative chemical analysis.
Yappert, M. Cecilia; DuPre, Donald B. J. Chem. Educ. 1997, 74, 1422.
Equilibrium |
Coordination Compounds |
Qualitative Analysis |
Quantitative Analysis |
Titration / Volumetric Analysis |
Aqueous Solution Chemistry |
Water / Water Chemistry |
Metals
Infrared Spectroscopy: A Versatile Tool in Practical Chemistry Courses   Volker Wiskam, Wolfgang Fichtner, Volker Kramb, Alexander Nintschew, and Jens Stefan Schneider
Procedure for preparing samples of basic inorganic compounds and analyzing them through IR spectroscopy in freshman chemistry.
Wiscamp, Volker; Fichtner, Wolfgang; Kramb, Volker; Nintschew, Alexander; Schneider, Jens Stefan. J. Chem. Educ. 1995, 72, 952.
IR Spectroscopy |
Synthesis |
Coordination Compounds
Bonding theory/ The Werner-Jorgensen controversy  Whisnant, David M.
A review of a two-part simulation introducing students to the history of the development of bond theories.
Whisnant, David M. J. Chem. Educ. 1993, 70, 902.
Coordination Compounds
The CoCl2 Thermosiphon   Brown, Justina L.; Battino, Rubin
A novel way to present the temperature dependence of the equilibrium shift using cobalt complexes.
Brown, Justina L.; Battino, Rubin J. Chem. Educ. 1993, 70, 153.
Equilibrium |
Coordination Compounds
Synthesis, oxidation and UV/IR spectroscopy illustrated: An integrated freshman lab session   Zoller, Uri; Lubezky, Aviva; Danot, Miriam
This paper describes a specially designed, and successfully implemented lab-session for the first-year college general chemistry course.
Zoller, Uri; Lubezky, Aviva; Danot, Miriam J. Chem. Educ. 1991, 68, A274.
IR Spectroscopy |
UV-Vis Spectroscopy |
Coordination Compounds |
Metals
Reactivity of nickel  Birk, James P.; Ronan, Martha; Bennett, Imogene; Kinney, Cheri
A series of experiments which lead to observations about the reactivity of nickel. [Debut]
Birk, James P.; Ronan, Martha; Bennett, Imogene; Kinney, Cheri J. Chem. Educ. 1991, 68, 48.
Reactions |
Quantitative Analysis |
Coordination Compounds |
Oxidation State |
Electrochemistry
Chemical principles for the introductory laboratory, CHM 384 (Johnson, James F.)  Wegner, Carol
A comprehensive review of the title program which overviews basic techniques and concepts presented in introductory laboratory courses. Topics include: titration, equilibrium, Ksp, solubility, Beer's law, coordination complexes and first-order rates of reaction.
Wegner, Carol J. Chem. Educ. 1988, 65, A47.
Acids / Bases |
Titration / Volumetric Analysis |
UV-Vis Spectroscopy |
Equilibrium |
Solutions / Solvents |
Coordination Compounds |
Kinetics
Coordination Chemistry (Basolo, F.; Johnson, R. C.)  Kauffman, George B.
Written for persons with a limited background in chemistry.
Kauffman, George B. J. Chem. Educ. 1987, 64, A191.
Coordination Compounds
Werner and Jorgensen: Presenting history with a computer  Whisnant, David M.
85. A computer simulation designed to illustrate the process of science - how theories develop, how change occurs, and how scientists behave.
Whisnant, David M. J. Chem. Educ. 1987, 64, 688.
Molecular Properties / Structure |
Coordination Compounds
A tale of two elements  Nelson, P. G.
Readers are invited to identify elements A and B from the descriptions in this article.
Nelson, P. G. J. Chem. Educ. 1986, 63, 1021.
Oxidation State |
Organometallics |
Coordination Compounds |
Descriptive Chemistry |
Magnetic Properties
Inorganic thermochromism: A lecture demonstration of a solid state phase transition  Willett, Roger D.
A description of an activity using thermochromic material is an easy way to demonstrate solid state phase transition.
Willett, Roger D. J. Chem. Educ. 1983, 60, 355.
Phases / Phase Transitions / Diagrams |
Solid State Chemistry |
Coordination Compounds
Some aspects of coordination chemistry   Mickey, Charles D.
The genesis of modern coordination theory; the Wernerian system; experimental support for Werner's coordination theory; amplification of Werner's theory; the nature of complex ions; formation and nomenclature for complexes, complexes in the environment; chelates in medicine; complexing in natural systems; and industrial application of complexes.
Mickey, Charles D. J. Chem. Educ. 1981, 58, 257.
Coordination Compounds |
Medicinal Chemistry |
Metals
An applied exam in coordination chemistry  Pantaleo, Daniel C.
Students draw from a pool of stock chemicals and answer questions based on its formula and observed properties.
Pantaleo, Daniel C. J. Chem. Educ. 1980, 57, 669.
Coordination Compounds |
Nomenclature / Units / Symbols
Magnetic and spectral behavior of Co(py)2X2 complexes. A teaching experiment  Webb, D. L.; Meek, T. L.
The pedagogical merit of this experiment is two-fold: a considerable portion of the syllabus is covered and there is a requirement for students to collaborate and discuss.
Webb, D. L.; Meek, T. L. J. Chem. Educ. 1978, 55, 408.
Spectroscopy |
Magnetic Properties |
Coordination Compounds |
Organometallics
Questions [and] Answers  Campbell, J. A.
303-308. Six practical, environmental chemistry application questions and their answers. Q303 submitted by Jerry Ray Dias.
Campbell, J. A. J. Chem. Educ. 1977, 54, 369.
Enrichment / Review Materials |
Metals |
Toxicology |
Coordination Compounds |
Membranes |
Aqueous Solution Chemistry |
Atomic Properties / Structure
Synthesis and spectral study of copper(II) complexes  Potts, Richard A.
The authors propose a series of experiments for general chemistry that are related to one and another.
Potts, Richard A. J. Chem. Educ. 1974, 51, 539.
Coordination Compounds |
Synthesis |
Spectroscopy
Preparation and properties of potassium trioxalatoferrate(III) trihydrate  Aravamudan, G.; Gopalakrishnan, J.; Udupa, M. R.
The authors report on an exercise involving potassium trioxalatoferrate(III) trihydrate as an illustrative exercise in general chemistry laboratory courses.
Aravamudan, G.; Gopalakrishnan, J.; Udupa, M. R. J. Chem. Educ. 1974, 51, 129.
Coordination Compounds |
Synthesis |
Physical Properties
The preparation and analysis of some metal-pyridine complexes. A general chemistry experiment  Kauffman, George B.; Albers, Richard A.; Harlan, Fred L.
A general chemistry experiment in which students synthesize and then characterize some metal-pyridine complexes.
Kauffman, George B.; Albers, Richard A.; Harlan, Fred L. J. Chem. Educ. 1973, 50, 70.
Coordination Compounds |
Synthesis
The reaction of CN- ions with Ni(EDTA)2- ions  Littlejohn, D. G.; Fanning, J. C.
A green Ni(NO3)2 solution changes to blue upon adding EDTA; this changes to a deep violet when a solution of KCN and KOH is added.
Littlejohn, D. G.; Fanning, J. C. J. Chem. Educ. 1972, 49, A267.
Coordination Compounds |
Aqueous Solution Chemistry
Preparative and ion exchange studies on the cobalt(III)-iminodiacetate system  Weyh, John A.
This experiment involves the preparation of two of the three possible geometrical isomers of the 1:2 iminodiacetato complexes of cobalt(II).
Weyh, John A. J. Chem. Educ. 1970, 47, 715.
Coordination Compounds |
Diastereomers
Synthesis and reactions of cobalt complexes: A laboratory experiment  Olson, Gary L.
The experiment described here studies a series of reactions employed in the synthesis of a number of coordination compounds of cobalt(II) and cobalt(III).
Olson, Gary L. J. Chem. Educ. 1969, 46, 508.
Coordination Compounds |
Synthesis
Atomic structure. Radioactivity (continued)   Alyea, Hubert N.
Formation of the complex Cu(NH3)4++ as an example of coordinate covalent bonding and hydrogen bonding as evidenced by viscosity.
Alyea, Hubert N. J. Chem. Educ. 1967, 44, A599.
Coordination Compounds |
Covalent Bonding |
Hydrogen Bonding |
Liquids
The oxygen coordinations of lithium  Donnay, Gabrielle; Gryder, J. W.
The prevalent notion that lithium has only one coordination number with oxygen calls for revision - both tetrahedral and octahedral coordinations do occur.
Donnay, Gabrielle; Gryder, J. W. J. Chem. Educ. 1965, 42, 223.
Coordination Compounds
Simplified d orbital models assist in teaching coordination concepts  Nicholson, Douglas G.
Presents a three-dimensional model, containing representatives of all lobes of the five d orbitals, prepared for each of the tetrahedral, square planar, and octahedral coordination configurations.
Nicholson, Douglas G. J. Chem. Educ. 1965, 42, 148.
Atomic Properties / Structure |
Coordination Compounds
I - Ligand field theory  Cotton, F. Albert
Examines the causes and consequences of inner orbital splittings, stereochemical consequences, and the visible spectra of transition metal compounds. [Debut]
Cotton, F. Albert J. Chem. Educ. 1964, 41, 466.
Crystal Field / Ligand Field Theory |
Coordination Compounds |
Transition Elements
Preparation and analysis of a complex compound  Sebera, Donald K.
A cobalt/ammonia complex is prepared and analyzed in a freshman chemistry laboratory.
Sebera, Donald K. J. Chem. Educ. 1963, 40, 476.
Synthesis |
Coordination Compounds |
Transition Elements
Coordination chemistry in general chemistry texts  Clark, Roy W.; Selbin, Joel
Presents the results of a survey of 36 college general chemistry texts with respect to the degree to which they examine the chemistry of coordination compounds.
Clark, Roy W.; Selbin, Joel J. Chem. Educ. 1961, 38, 466.
Coordination Compounds
Models of metal coordination compounds  Myers, R. Thomas
Suggestions for modifying traditional molecular model kits to illustrate common types of coordination compounds.
Myers, R. Thomas J. Chem. Educ. 1958, 35, 152.
Metals |
Coordination Compounds |
Molecular Modeling
Inorganic coordination compounds in general chemistry  Kirschner, Stanley
Argues that coordination chemistry is an important part of general chemistry and identifies several places in the general chemistry course where the topic of coordination compounds can be conveniently presented.
Kirschner, Stanley J. Chem. Educ. 1958, 35, 139.
Coordination Compounds
Lone pair electrons  Fowles, Gerald W. A.
The lone pair electrons, whether in simple or hybrid orbitals, have profound effects on the properties of the molecule; these effects may be discussed as bond angles, dipole moments, bond energies and lengths, and coordination and hydrogen bonding.
Fowles, Gerald W. A. J. Chem. Educ. 1957, 34, 187.
Atomic Properties / Structure |
Covalent Bonding |
Coordination Compounds |
Noncovalent Interactions |
Hydrogen Bonding |
Molecular Properties / Structure