Search Results - "Nelsen, Stephen F."
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Ab Initio Calculations on the Intramolecular Electron Transfer Rates of a Bis(hydrazine) Radical Cation
Published in The journal of physical chemistry. B (04-09-2008)“…Electron transfer (ET) rates of a charge localized (Class II) intervalence radical cation of a bis(hydrazine) are investigated theoretically. First, the…”
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2
Estimation of Electronic Coupling for Intermolecular Electron Transfer from Cross-Reaction Data
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (19-10-2006)“…Sixty-five electron-transfer reactions including 27 new 0, +1 couples have been added to our data set of cross-reactions between 0 and +1 couples, bringing it…”
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3
Electron Transfer within Charge-Localized Dinitroaromatic Radical Anions
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (09-07-2009)“…Rate constants for the intramolecular electron-transfer reaction in the 2,7-dinitronaphthalene (2 − ), 4,4′-dinitrotolane (3 − ), and…”
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4
Solvent Control of Charge Localization in 11-Bond Bridged Dinitroaromatic Radical Anions
Published in Journal of the American Chemical Society (06-06-2007)“…The optical spectra of 4,4‘-dinitrostilbene (1 - ) and 4,4‘-dinitrotolane (2 - ) radical anions show the narrow band widths and partially resolved vibrational…”
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5
Interpretation of Mixed-Valence Compound Optical Spectra Near the Class II/III Border: Dinitrobiphenyl and Dinitrophenanthrene Radical Anions
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (11-12-2008)“…The optical spectra of 4,4′-dinitrobiphenyl and other similar 9-bond bridged radical anions show that these mixed-valence compounds are predominantly…”
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6
Optical Spectra of Delocalized Dinitroaromatic Radical Anions Revisited
Published in Journal of the American Chemical Society (03-08-2005)“…The optical spectra of nine dinitroaromatic radical anions (1,2- and 1,4-dinitrobenzene, 1,5- and 2,6-dinitro naphthalene, 4,4‘-dinitrobiphenyl,…”
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Solvent Effects on the Coexistence of Localized and Delocalized 4,4′-Dinitrotolane Radical Anion by Resonance Raman Spectroscopy
Published in Journal of the American Chemical Society (07-07-2010)“…The resonance Raman spectrum of the simple alkyne bridge in 4,4′-dinitrotolane radical anion shows two distinct bands, providing proof of the solvent-dependent…”
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8
Solution and Solid-State Studies of Doubly Trimethylene-Bridged Tetraalkyl p-Phenylenediamine Diradical Dication Conformations
Published in Journal of the American Chemical Society (05-05-2010)“…X-ray crystallographic structures are reported for 1(Me) 2+ (SbCl6 −)2·2CH3CN, 2(Et) 2+ (SbF6 −)2·2CH3CN·2CH2Cl2, and 1(iPr) 2+ (SbF6 −)2, which also contained…”
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9
EPR and ENDOR Studies of Dimeric Paracyclophane Radical Cations and Dications Containing Tri- and Pentamethylene-Bridged p-Phenylene Diamine Units
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (17-06-2010)“…Solution EPR and ENDOR studies on the radical cations of three dimeric p-phenylene diamine (PD)-based compounds, the tetraisopropyl-substituted…”
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10
Calculations of the Optical Spectra of Hydrocarbon Radical Cations Based on Koopmans' Theorem
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (08-03-2007)“…The first few bands in the optical spectra of radical cations can often be interpreted in terms of A-type transitions that involve electron promotions from…”
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11
Intervalence Near-IR Spectra of Delocalized Dinitroaromatic Radical Anions
Published in Journal of the American Chemical Society (15-10-2003)“…The Class III (delocalized) intervalence radical anions of 1,4-dinitrobenzene, 2,6-dinitronaphthalene, 2,6-dinitroanthracene, 9,9-dimethyl-2,7-dinitrofluorene,…”
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12
Resonance Raman spectroscopic study of solvent-dependent coexistence of localized and delocalized dinitroaromatic radical anions
Published in Canadian journal of chemistry (01-10-2014)“…Optical absorption spectra of three dinitroaromatic radical anions, 2,7-dinitro-9,9-dimethylfluorene ( 1 •− ), 4,4′-dinitrobiphenyl ( 2 •− ), and…”
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13
Tuning Aryl, Hydrazine Radical Cation Electronic Interactions Using Substitutent Effects
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (14-08-2008)“…Absorption spectra for 2,3-diaryl-2,3-diazabicyclo[2.2.2]octane radical cations (2(X) •+ ) and for their monoaryl analogues…”
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14
Mixed Valence Compounds as Probes to Determine the Polarity of 1-Butyl-3-methylimadazolium Ionic Liquids
Published in The journal of physical chemistry. B (20-12-2007)“…Radical cations and dications of three bishydrazines belonging to the Class II mixed valence compounds have been generated, either spontaneously or by…”
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15
Optical Spectra of Protected Diamine 10-Bond-Bridged Intervalence Radical Cations Related to N,N,N‘N‘-Tetraalkylbenzidine
Published in Journal of organic chemistry (26-05-2006)“…The optical absorption spectra of the delocalized intervalence radical cations of seven o,o‘-linked benzidine derivatives that have the nitrogens protected as…”
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16
Estimation of Electron Transfer Distances from AM1 Calculations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (09-11-2000)“…We examine a simple approximate method for calculating the electron transfer (ET) distance suitable for extracting the off-diagonal electronic coupling element…”
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17
Charge Localization in a 17-Bond Mixed-Valence Quinone Radical Anion
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (01-11-2007)“…Optical spectra in dimethylformamide are reported for the radical anions of benzoquinone, its tetramethyl and tetrachloro analogues, and tetra-ortho-alkyl…”
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18
Three-Chromophore Excited-State Mixed Valence
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (15-01-2009)“…The lowest energy optical electronic absorption band of the three-chromophore system tris(4-bromophenyl)amine radical cation is analyzed. The lowest energy…”
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19
Koopmans-Based Analysis of the Optical Spectra of p-Phenylene-Bridged Intervalence Radical Ions
Published in Journal of organic chemistry (11-11-2005)“…The optical spectra of 10 p-phenylene-bridged delocalized intervalence compounds MC 6 H 4 M •- or •+ are analyzed using the Koopmans-based method, which…”
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20
Intermolecular Electron Transfer Reactivity Determined from Cross-Rate Studies
Published in Accounts of chemical research (01-04-2002)“…Electron-transfer cross-reactions between neutral molecules and their radical cations spanning a wide range of structural type and intrinsic reactivity have…”
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