Functional groups are structural units within organic compounds defined by specific atom and bond arrangements. Infrared is a powerful identification tool for functional groups because of the similar absorption frequencies for those groups in different molecules. The actual frequency is affected by the ...
superbasic functional groupsquantum‐mechanical calculationsQuantum-chemical calculations ( ab initio and semiempirical) were performed for neutral and monoprotonated model compounds of general formula H i X NH (where X is C, N, S or P and i =1, 2 or 3) and thermodynamic parameters for the ...
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Fundamental concepts of coordination and organic chemistry and their possible applications to understanding the formation and transformation mechanisms of humic substances were considered. In accordance with the electronic concepts of interactions between inorganic and organic molecules, the ash elements should ...
According to organic chemistry a molecule is a group of non-electrically charged particles that have two or more atoms chemically bonded. They are components of the matter lying on earth (minerals, atmosphere, gaseous substances, organic and inorganic compounds, liquids, among others) [41]. ...
Different kinds of nanomaterials have distinctive chemical characteristics and functional groups that can be exploited in the initial stages of functionalisation since they are accessible on their surfaces [52]. Typically, the initial stage of surface modification involves adding an organic functional ...
Test your knowledge within the area of Organic Chemistry by correctly matching molecular diagrams and names from various functional groups. Can you recognise b…
Functional MRI (fMRI) is a method of measuring inhomogenity of hydrogen atoms due to a complex processes associated with blood oxygenation, oxygen consumption, and activation of neuronal network. Gene functionally is the unit of heredity and structurally consists of a long strand of DNA. Gene con...
Focuses on the potential molecular scale wires with alligator clips in the synthesis of oligo(2,5-thiophene ethynylene)s with thioester termini. Use of the... Pearson,Darren,L.,... - 《Journal of Organic Chemistry》 被引量: 50发表: 1997年 Design, characterization and magnetic properties of ...
3.5 Organic Chemistry Organic matter characteristics, classification and nomenclature; functional groups and molecular structure; isomers; important reactions of organic matter: addition, substitution, elimination, oxidation, catalytic hydrogenation, polymerization, polyaddition and polycondensation; structure, basic...