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  2. Ethanol - Wikipedia

    en.wikipedia.org/wiki/Ethanol

    Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula CH 3 CH 2 OH.It is an alcohol, with its formula also written as C 2 H 5 OH, C 2 H 6 O or EtOH, where Et stands for ethyl.

  3. Triatomic molecule - Wikipedia

    en.wikipedia.org/wiki/Triatomic_molecule

    Homonuclear triatomic molecules contain three of the same kind of atom. That molecule will be an allotrope of that element. Ozone, O 3 is an example of a triatomic molecule with all atoms the same. Triatomic hydrogen, H 3, is unstable and breaks up spontaneously. H 3 +, the trihydrogen cation is stable by itself and is symmetric.

  4. Wikipedia : Molecular structure diagram

    en.wikipedia.org/wiki/Wikipedia:Molecular...

    Some artists highlight three-dimensionality by varying fonts sizes, e.g. slightly larger fonts for the "front" atoms. In organic chemistry, double bonds and C-H bonds are shorter than most single bonds. Most molecules have lone pairs of electrons, which are sometimes stereochemically active. It is a matter of taste whether one includes the lone ...

  5. Molecular geometry - Wikipedia

    en.wikipedia.org/wiki/Molecular_geometry

    Molecular geometries can be specified in terms of 'bond lengths', 'bond angles' and 'torsional angles'. The bond length is defined to be the average distance between the nuclei of two atoms bonded together in any given molecule. A bond angle is the angle formed between three atoms across at least two bonds.

  6. Ball-and-stick model - Wikipedia

    en.wikipedia.org/wiki/Ball-and-stick_model

    The motion of water molecules at room temperature and their transient interactions with each other. Ball-and-stick models can be physical artifacts or virtual computer models. The former are usually built from molecular modeling kits, consisting of a number of coil springs or plastic or wood sticks, and a number of plastic balls with pre ...

  7. Dimethyl ether - Wikipedia

    en.wikipedia.org/wiki/Dimethyl_ether

    Dimethyl ether (DME; also known as methoxymethane) is the organic compound with the formula CH 3 OCH 3, (sometimes ambiguously simplified to C 2 H 6 O as it is an isomer of ethanol).

  8. Triple bond - Wikipedia

    en.wikipedia.org/wiki/Triple_bond

    The most common triple bond is in a nitrogen N 2 molecule; the second most common is that between two carbon atoms, which can be found in alkynes. Other functional groups containing a triple bond are cyanides and isocyanides. Some diatomic molecules, such as diphosphorus [1] and carbon monoxide, are also triple bonded.

  9. Substructure search - Wikipedia

    en.wikipedia.org/wiki/Substructure_search

    The search is thus for substances which contain three atoms and two single bonds connected as C–C–O. Propanol is a "hit", as is diethyl ether, with C–C–O–C–C. If a user wished to limit the hits to alcohols , then the query structure would have to be drawn with an "explicit hydrogen", as C–C–O–H and ether would no longer match ...