Add to ORKGThe anomalous nonradiative dynamics for three cyclobutanone isotopomers ([D_0]-, 3,3-[D_2]-, and 2,2,4,4-[D_4]cyclobutanone) have been investigated using femtosecond (fs) time-resolved mass spectrometry. We have found that the internal motions of the molecules in the S_1 state above the dissociation threshold involve two time scales. The fast motion has a time constant of <50 fs, while the slow motion has a time constant of 5.0±1.0, 9.0±1.5, and 6.8±1.0 ps for the [D_0], [D_2], and [D_4] species, respectively. Density functional theory and ab initio calculations have been performed to characterize the potential energy surfaces for the S_0, S_1(n,π^*), and T_1(n,π^*) states. The dynamic picture for bond breakage is the following: The fast mo...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
[[abstract]]As a continuation of the preceding paper in this issue (J. Phys. Chem. A 2005, 109, 6805...
The first singlet excited states (S-1) which control the ultrafast (i.e. subpicosecond) photochemist...
The anomalous nonradiative dynamics for three cyclobutanone isotopomers ([D_0]-, 3,3-[D_2]-, and 2,2...
The dissociation dynamics of two acetone isotopomers ([D_0]- and [D_6]acetone) after 93 kcal mol^(−1...
Femtosecond dynamics of Norrish type-I reactions of cyclic and acyclic ketones have been investigate...
Femtosecond dynamics of Norrish type-I reactions of cyclic and acyclic ketones have been investigate...
In this Letter, we report studies of the femtosecond dynamics of transition states and asymmetric α-...
In this Letter, we report studies of the femtosecond dynamics of transition states and asymmetric α-...
Time-dependant density functional theory (TDDFT) and ab initio methods (CASSCF and CASMP2) are appli...
This work focuses on the ultrafast reaction dynamics of medium-sized organic molecules involving con...
Substituent effects on dynamics at conical intersections are investigated by means of femtosecond ti...
Semiclassical electron-radiation-ion dynamics simulations are reported for the photodissociation of ...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
[[abstract]]As a continuation of the preceding paper in this issue (J. Phys. Chem. A 2005, 109, 6805...
The first singlet excited states (S-1) which control the ultrafast (i.e. subpicosecond) photochemist...
The anomalous nonradiative dynamics for three cyclobutanone isotopomers ([D_0]-, 3,3-[D_2]-, and 2,2...
The dissociation dynamics of two acetone isotopomers ([D_0]- and [D_6]acetone) after 93 kcal mol^(−1...
Femtosecond dynamics of Norrish type-I reactions of cyclic and acyclic ketones have been investigate...
Femtosecond dynamics of Norrish type-I reactions of cyclic and acyclic ketones have been investigate...
In this Letter, we report studies of the femtosecond dynamics of transition states and asymmetric α-...
In this Letter, we report studies of the femtosecond dynamics of transition states and asymmetric α-...
Time-dependant density functional theory (TDDFT) and ab initio methods (CASSCF and CASMP2) are appli...
This work focuses on the ultrafast reaction dynamics of medium-sized organic molecules involving con...
Substituent effects on dynamics at conical intersections are investigated by means of femtosecond ti...
Semiclassical electron-radiation-ion dynamics simulations are reported for the photodissociation of ...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
Photophysics and photochemistry of cyclobutanethiones 1-5 have been studied with the view to general...
[[abstract]]As a continuation of the preceding paper in this issue (J. Phys. Chem. A 2005, 109, 6805...
The first singlet excited states (S-1) which control the ultrafast (i.e. subpicosecond) photochemist...