10 BÜCHER, DIE MIT «BIRADICAL» IM ZUSAMMENHANG STEHEN
Entdecke den Gebrauch von
biradical in der folgenden bibliographischen Auswahl. Bücher, die mit
biradical im Zusammenhang stehen und kurze Auszüge derselben, um seinen Gebrauch in der Literatur kontextbezogen darzustellen.
1
CRC Handbook of Organic Photochemistry and Photobiology, ...
From magnetic resonance studies of biradicals, Closs and Redwine54 suggested
that triplet biradicals cyclize whenever their two ends collide, but with a low
probability that reflects the amount of singlet character mixed into the biradical by
...
William M. Horspool, Francesco Lenci, 2003
2
Encyclopedia of Chemical Physics and Physical Chemistry: ...
Experimental kinetics of the CIDNP net effect: (A) for the aldehyde proton of the
products II and III of primary biradical; ( • ) for the CHiCH(OH) protons of the
products IV, V, and VI of secondary biradical. Reprinted from [28]. While the
earliest ...
Nicholas D. Spencer, John H. Moore, 2001
3
Hydrocarbon Thermal Isomerizations
Two biradical minima were obtained: the gauche and the anti-species with both
being responsible for cleavage, and with the anti-species being 2 kcal/mol more
stable than the gauche biradical. The initial calculations indicated small energy ...
4
Organic Reaction Mechanisms, 2007
SCHEME 122 'Iis N Se 11 wumzwsct ~L\\/0Ts R " / NETS R W NHTs "23) (114) (1:
5) Radical, Biradical, and Radical-cation Reactions Experimental and
computational kinetic data for the intramolecular 1,(2—5)— hydrogen shift in alkyl
radicals ...
5
Aldehydes—Advances in Research and Application: 2013 Edition
Texas. Technical. University,. Lubbock: Direct. dynamics. Simulation. of.
dioxetane. formation. and. decomposition. via. the. Singlet. -O-O-CH2-CH2-.
biradical: non-RRKM. dynamics. By a News Reporter-Staff News Editor at
Chemicals ...
6
Gas Kinetics and Energy Transfer
Such an explanation has been offered by Chapuisat and Jean.219,220 In
summary, then, the concept of a biradical intermediate still has some value (even
for cyclopropane isomerization) but as an addition to the original concept it
appears ...
P. G. Ashmore, R. J. Donovan, 1978
7
Photochemistry of Organic Compounds: From Concepts to Practice
Pauli MO 3 singlet states 1 triplet state • • 2 zwitterionic (hole–pair) singlet states
1 covalent singlet state (dot–dot) 1 triplet state VB NBMOs Figure 5.13 The four
low-lying electronic states of a biradical states, the electronic structure of
biradicals ...
Petr Klán, Jakob Wirz, 2009
8
Applications of Picosecond Spectroscopy to Chemistry
Despite the success of the biradical intermediate hypothesis there are a number
of pieces of evidence which intimated a more complicated picture of the reaction
profile. Results of isotope studies have been interpreted as evidence against ...
9
Physics and Chemistry of Graphene: Graphene to Nanographene
I Kekulé structure Biradical structure Figure 5.35 Energy balance between from
Kekulé to biradical form. written with a maximum number of Clar sextets (Fig. 5.36
). In these biradical forms, Clar sextets, the isolated double bonds, and the ...
Toshiaki Enoki, Tsuneya Ando, 2013
10
Some Problems of Chemical Kinetics and Reactivity
P 2 is evidently an active molecule, and there are much better grounds for
classifying it as a biradical than in thecase of O 2 , in spite of its spinsbeing
coupled in antiparallel pairs. The chemicaland physical features whichmight
beusedto ...
7 NACHRICHTEN, IN DENEN DER BEGRIFF «BIRADICAL» VORKOMMT
Erfahre, worüber man in den einheimischen und internationalen Medien spricht und wie der Begriff
biradical im Kontext der folgenden Nachrichten gebraucht wird.
Plant dynamics: NMR offers cellular clues
In their investigation, the team transferred the electron polarization of a biradical dopant to the nuclei and exploited DNP to allow them to carry ... «spectroscopyNOW.com, Sep 13»
The Criegee Biradical - A New Molecule That Could Stop Global …
There is however some truth in it: according to researchers at the University of Bristol and Snadia National Laboratories, the Criegee biradical, ... «The Green Optimistic, Jan 12»
New Record for Latest Subzero (Friday snow; big thaw next week)
The molecule is a Criegee biradical or Criegee intermediate, which are chemical intermediaries that are powerful oxidizers of pollutants ... «Minneapolis Star Tribune, Jan 12»
Newly discovered molecule has potential to offset climate change …
The molecule is a Criegee biradical or Criegee intermediate, which are ... were able to detect the Criegee biradical - in this case formaldehyde ... «Gizmag, Jan 12»
Matt Gurney: 10 billion habitable planets in the galaxy. Still no moon …
Related. Newly discovered molecule, Criegee biradical, may have 'cooling effect' on Earth · Graphic: Where will the Phobos-Grunt probe spill ... «National Post, Jan 12»
Criegee biradical: Newly discovered molecule may have 'cooling …
By Nina Chestney. A new molecule has been detected in the earth's atmosphere which could help produce a cooling effect, scientists said, but ... «National Post, Jan 12»
Chemical compass model of avian magnetoreception
Green-light irradiation efficiently produces the spin-correlated electronic singlet state of the radical pair (or biradical) S[C ˙+–P–F ˙-] by ... «Nature.com, Mai 08»
