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Namespace Prefixes

Prefix	IRI
n7	http://qudt.org/vocab/quantitykind/
dcterms	http://purl.org/dc/terms/
n6	http://qudt.org/vocab/sou/
n3	http://qudt.org/schema/qudt/
n2	http://qudt.org/vocab/unit/
n8	http://qudt.org/vocab/dimensionvector/
rdfs	http://www.w3.org/2000/01/rdf-schema#
n9	http://qudt.org/2.1/vocab/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdh	http://www.w3.org/2001/XMLSchema#

Statements

Subject Item

n2:E_h

rdf:type

n3:Unit

rdfs:label

Hartree

rdfs:isDefinedBy

n9:unit

dcterms:description

<p>The \(\textit{Hartree}\) (symbol: \(E_h\) or \(Ha\)), also known as the \(\text{Hartree\,Energy}\), is the atomic unit of energy. The hartree energy is equal to the absolute value of the electric potential energy of the hydrogen atom in its ground state. The energy of the electron in an H-atom in its ground state is \(-E_H\), where \(E_H= 2 R_\infty \cdot hc_0\). The 2006 CODATA recommended value was \(E_H = 4.35974394(22) \times 10^{-18} J = 27.21138386(68) eV\).</p> <dt class="size-14">Definition:</dt> <dd>\(E_H= \frac{e^2}{4\pi \epsilon_0 a_0 }\)<br/> where, \(e\) is the elementary charge, \(\epsilon_0\) is the electric constant, and \(a_0\) is the Bohr radius.'</dd>

n3:dbpediaMatch

http://dbpedia.org/resource/Hartree

n3:hasDimensionVector

n8:A0E0L2I0M1H0T-2D0

n3:informativeReference

http://en.wikipedia.org/wiki/Hartree?oldid=489318053

n3:symbol

Ha

n3:hasQuantityKind

n7:Energy

n3:applicableSystem

n6:SI n6:CGS n6:CGS-EMU n6:CGS-GAUSS

n3:conversionMultiplier

4.35974e-18