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Cis–trans isomerism

Index Cis–trans isomerism

Cis–trans isomerism, also known as geometric isomerism or configurational isomerism, is a term used in organic chemistry. [1]

52 relations: Absolute configuration, Alfred Werner, Alicyclic compound, Alkane, Alkene, Alkyne, Barnett Rosenberg, Bond dipole moment, Cahn–Ingold–Prelog priority rules, Chirality (chemistry), Cis effect, Cisplatin, Conformational isomerism, Coordination complex, Descriptor (Chemistry), Diastereomer, Diimide, Diphosphene, Double bond, E-Z notation, Elaidic acid, Fumaric acid, Functional group, Heat of combustion, Heat of formation group additivity, International Union of Pure and Applied Chemistry, Isomer, J-coupling, Journal of the American Chemical Society, Ligand, London dispersion force, Maleic acid, Melting point, Nuclear magnetic resonance spectroscopy, Octahedral molecular geometry, Oleic acid, Organic chemistry, Pentene, Rotation (mathematics), Solubility, Square planar molecular geometry, Stereoisomerism, Steric effects, Structural isomer, Substituent, Thermochemistry, Trans effect, Trans fat, Vicinal (chemistry), 1,2-Dichloroethene, ..., 1,2-Difluoroethylene, 2-Butene. Expand index (2 more) »

Absolute configuration

An absolute configuration refers to the spatial arrangement of the atoms of a chiral molecular entity (or group) and its stereochemical description e.g. R or S, referring to Rectus, or Sinister, respectively.

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Alfred Werner

Alfred Werner (12 December 1866 – 15 November 1919) was a Swiss chemist who was a student at ETH Zurich and a professor at the University of Zurich.

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Alicyclic compound

An alicyclic compound is an organic compound that is both aliphatic and cyclic.

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In organic chemistry, an alkane, or paraffin (a historical name that also has other meanings), is an acyclic saturated hydrocarbon.

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In organic chemistry, an alkene is an unsaturated hydrocarbon that contains at least one carbon–carbon double bond.

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In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.

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Barnett Rosenberg

Barnett Rosenberg (16 November 1926 – 8 August 2009) was an American chemist best known for the discovery of the anti-cancer drug cisplatin.

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Bond dipole moment

The bond dipole moment uses the idea of electric dipole moment to measure the polarity of a chemical bond within a molecule.

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Cahn–Ingold–Prelog priority rules

The Cahn–Ingold–Prelog (CIP) sequence rules, named for organic chemists Robert Sidney Cahn, Christopher Kelk Ingold, and Vladimir Prelog — alternatively termed the CIP priority rules, system, or conventions — are a standard process used in organic chemistry to completely and unequivocally name a stereoisomer of a molecule.

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Chirality (chemistry)

Chirality is a geometric property of some molecules and ions.

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Cis effect

In inorganic chemistry, the cis effect is defined as the labilization (making unstable) of CO ligands that are ''cis'' to other ligands.

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Cisplatin is a chemotherapy medication used to treat a number of cancers.

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Conformational isomerism

In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted just by rotations about formally single bonds (refer to figure on single bond rotation).

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Coordination complex

In chemistry, a coordination complex consists of a central atom or ion, which is usually metallic and is called the coordination centre, and a surrounding array of bound molecules or ions, that are in turn known as ligands or complexing agents.

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Descriptor (Chemistry)

A descriptor is in chemical nomenclature a prefix placed before the systematic substance name, which describes the configuration or the stereochemistry of the molecule.

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Diastereomers (sometimes called diastereoisomers) are a type of a stereoisomer.

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Diimide, also called diazene or diimine, is a compound having the formula (NH)2.

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Diphosphene is a compound having the formula (PH)2.

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Double bond

A double bond in chemistry is a chemical bond between two chemical elements involving four bonding electrons instead of the usual two.

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E-Z notation

E-Z configuration, or the E-Z convention, is the IUPAC preferred method of describing the absolute stereochemistry of double bonds in organic chemistry.

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Elaidic acid

Elaidic acid is the organic compound with the formula CH3(CH2)7CHCH(CH2)7CO2H.

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Fumaric acid

Fumaric acid or trans-butenedioic acid is the chemical compound with the formula HO2CCH.

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Functional group

In organic chemistry, functional groups are specific substituents or moieties within molecules that are responsible for the characteristic chemical reactions of those molecules.

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Heat of combustion

The heating value (or energy value or calorific value) of a substance, usually a fuel or food (see food energy), is the amount of heat released during the combustion of a specified amount of it.

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Heat of formation group additivity

Heat of formation group additivity methods in thermochemistry enable the calculation and prediction of heat of formation of organic compounds based on additivity.

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International Union of Pure and Applied Chemistry

The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.

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An isomer (from Greek ἰσομερής, isomerès; isos.

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In nuclear chemistry and nuclear physics, Scalar or J-couplings (also called indirect dipole–dipole coupling) are mediated through chemical bonds connecting two spins.

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Journal of the American Chemical Society

The Journal of the American Chemical Society (also known as JACS) is a weekly peer-reviewed scientific journal that was established in 1879 by the American Chemical Society.

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In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.

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London dispersion force

London dispersion forces (LDF, also known as dispersion forces, London forces, instantaneous dipole–induced dipole forces, or loosely van der Waals forces) are a type of force acting between atoms and molecules.

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Maleic acid

Maleic acid or cis-butenedioic acid is an organic compound that is a dicarboxylic acid, a molecule with two carboxyl groups.

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Melting point

The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid at atmospheric pressure.

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Nuclear magnetic resonance spectroscopy

Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy or magnetic resonance spectroscopy (MRS), is a spectroscopic technique to observe local magnetic fields around atomic nuclei.

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Octahedral molecular geometry

In chemistry, octahedral molecular geometry describes the shape of compounds with six atoms or groups of atoms or ligands symmetrically arranged around a central atom, defining the vertices of an octahedron.

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Oleic acid

Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils.

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Organic chemistry

Organic chemistry is a chemistry subdiscipline involving the scientific study of the structure, properties, and reactions of organic compounds and organic materials, i.e., matter in its various forms that contain carbon atoms.

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Pentenes are alkenes with chemical formula.

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Rotation (mathematics)

Rotation in mathematics is a concept originating in geometry.

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Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.

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Square planar molecular geometry

The square planar molecular geometry in chemistry describes the stereochemistry (spatial arrangement of atoms) that is adopted by certain chemical compounds.

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In stereochemistry, stereoisomers are isomeric molecules that have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space.

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Steric effects

Steric effects are nonbonding interactions that influence the shape (conformation) and reactivity of ions and molecules.

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Structural isomer

Structural isomerism, or constitutional isomerism (per IUPAC), is a form of isomerism in which molecules with the same molecular formula have different bonding patterns and atomic organization, as opposed to stereoisomerism, in which molecular bonds are always in the same order and only spatial arrangement differs.

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In organic chemistry and biochemistry, a substituent is an atom or group of atoms which replaces one or more hydrogen atoms on the parent chain of a hydrocarbon, becoming a moiety of the resultant new molecule.

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Thermochemistry is the study of the heat energy associated with chemical reactions and/or physical transformations.

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Trans effect

In inorganic chemistry, the trans effect is the labilization (making more reactive) of ligands that are trans to certain other ligands, which can thus be regarded as trans-directing ligands.

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Trans fat

Trans fat, also called trans-unsaturated fatty acids or trans fatty acids, are a type of unsaturated fat that occur in small amounts in nature but became widely produced industrially from vegetable fats starting in the 1950s for use in margarine, snack food, and packaged baked goods and for frying fast food.

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Vicinal (chemistry)

In chemistry the descriptor vicinal (from Latin vicinus.

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1,2-Dichloroethene, commonly called 1,2-dichloroethylene or 1,2-DCE, is an organochloride with the molecular formula C2H2Cl2.

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1,2-Difluoroethylene, also known as 1,2-difluoroethene, is an organofluoride with the molecular formula C2H2F2.

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2-Butene is an acyclic alkene with four carbon atoms.

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[1] https://en.wikipedia.org/wiki/Cis–trans_isomerism

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