Étale group scheme: Difference between revisions

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[[File:Carbon-dioxide-3D-vdW.svg|thumb|right|Carbon dioxide]]
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'''Triatomic molecules''' are [[molecule]]s composed of three [[atom]]s, of either the same or different [[chemical element]]s. Examples include [[Water|H<sub>2</sub>O]], [[Carbon dioxide|CO<sub>2</sub>]] (pictured) and [[Hydrogen cyanide|HCN]].
 
==Molecular vibrations==
 
The [[Molecular vibration|vibrational modes]] of a triatomic molecule can be determined in specific cases.
 
=== Symmetric linear molecules ===
A symmetric linear molecule ABA can perform:
* Antisymmetric longitudinal vibrations with frequency
:<math>\omega_a=\sqrt{\frac{k_1M}{m_Am_B}}</math>
* Symmetric longitudinal vibrations with frequency
:<math>\omega_{s1}=\sqrt{\frac{k_1}{m_A}}</math>
* Symmetric transversal vibrations with frequency
:<math>\omega_{s2}=\sqrt{\frac{2k_2M}{m_A}}</math>  This formula is not correct, the units do not match.
In the previous formulas, ''M'' is the total mass of the molecule, ''m<sub>A</sub>'' and ''m<sub>B</sub>'' are the masses of the elements A and B, ''k''<sub>1</sub> and ''k''<sub>2</sub> are the spring constants of the molecule along its axis and perpendicular to it.
 
==Types==
[[File:Trihydrogen-cation-3D-vdW.png|thumb|left|[[Trihydrogen cation]]]][[File:Ozone-elpot-3D-vdW.png|thumb|right|Ozone]]
[[Ozone]], O<sub>3</sub> is an example of a triatomic molecule with all atoms the same. [[Triatomic hydrogen]], H<sub>3</sub>, is unstable and breaks up spontaneously. H<sub>3</sub><sup>+</sup>, the [[trihydrogen cation]] is stable by itself and is symmetric.
 
[[Category:Molecular vibration]]

Latest revision as of 05:16, 22 August 2014

I'm a 30 years ショート管 ネイキッド イナズマ400 old 史上最も激テールランプ 旧車 絶版車 and work at the college (Graduate School).
In my free time I teach myself Russian. I have been twicethere and look forward to go there anytime soon. I love to read, preferably on my kindle. I really love to watch How I Met Your Mother and Supernatural as well as documentaries about nature. I enjoy Archery.

Visit my カーナビゲーション イクリプス page :: ロック 鍵 鍵 バイク用ロック

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