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homonuclear
homonuclear, a. (hɒməʊˈnjuːklɪə(r)) [f. homo- + nuclear a.] a. Physics and Chem. Of a molecule: composed of atoms whose nuclei are alike, i.e. atoms of the same element or (more strictly) the same isotope.1930 Physical Rev. XXXVI. 617 In the case of homonuclear molecules (molecules composed of atoms...
Oxford English Dictionary
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Homonuclear molecule
Homonuclear molecules, or homonuclear species, are molecules composed of only one element. Ozone (O3) is a common triatomic homonuclear molecule. Homonuclear tetratomic molecules include arsenic (As4) and phosphorus (P4).
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heteronuclear
heteronuclear, a. (ˌhɛtərəʊˈnjuːklɪə(r)) [f. hetero- + nuclear a.] a. Chem. Taking place on different rings in a polycyclic molecule.1900 E. F. Smith tr. V. von Richter's Org. Chem. (ed. 3) II. 390 It can first be ascertained whether the substituents are in the same nucleus (isonuclear) or in differ...
Oxford English Dictionary
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Heteronuclear molecule
This is in contrast to a homonuclear ion, which contains all the same kind of atom, such as the dihydrogen cation, or atomic ions that only contain one References
See also
Homonuclear molecule
Chemical compound
Molecules
Sets of chemical elements
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Disulfur
References
External links
Allotropes of sulfur
Homonuclear diatomic molecules
Gases with color
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Cyclopropatriene
References
Allotropes of carbon
Hypothetical chemical compounds
Three-membered rings
Homonuclear triatomic molecules
Cyclocarbons
Cumulenes
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Triatomic molecule
Types
Homonuclear
Homonuclear triatomic molecules contain three of the same kind of atom. That molecule will be an allotrope of that element.
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Symmetry of diatomic molecules
Thus the CSCO for a homonuclear diatomic molecule is . So, a homonuclear diatomic molecule doesn't show purely vibrational spectra.
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单质
单质在物理学上称为同核分子(homonuclear molecule),特指仅由一种元素组成的分子,所含原子可为不同数目,例如O2与O3。一种元素所能形成的同核分子的大小,取决于元素的性质;有些元素可形成不止一种尺寸的同核分子。
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Sesquiterpenes from Celastrus vulcanicola as photosynthetic inhibitors ...
Three new sesquiterpenoids (1- 3) with a dihydro-beta-agarofuran skeleton were isolated from Celastrus vulcanicola. Their structures were elucidated on the basis of spectroscopic analysis, including homonuclear and heteronuclear correlation NMR experiments (COSY, ROESY, HSQC, and HMBC), and the absolute configurations were determined by circular dichroism and chemical correlations.
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Helium trimer
References
Extra reading
Homonuclear triatomic molecules
Helium compounds
Van der Waals molecules
Allotropes
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Dilithium
Being the lightest stable neutral homonuclear diatomic molecule after H2, and the helium dimer, dilithium is an extremely important model system for studying See also
Morse/Long-range potential
Dilithium molecular orbital diagram
Dilithium (Star Trek)
Lithium
References
Further reading
Lithium
Homonuclear
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Trinitrogen
References
External links
Homonuclear triatomic molecules
Nitrogen compounds
Allotropes of nitrogen
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Monatomic gas
When grouped together with the homonuclear diatomic gases such as nitrogen (N2), the noble gases are called "elemental gases" to distinguish them from
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Diphosphorus
News September 4, 2006 Link
Carmen Drahl "Flash Of Phosphorus Chemistry Innovation", Chemical & Engineering News September 13, 2010 Link
Phosphorus
Homonuclear
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