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Showing 1 to 12 of 17801 entries
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Transition-state searches in metal clusters by first-principle methods.

The journal of physical chemistry. A

Cruz-Olvera D, Vasquez Ade L, Geudtner G, Vásquez-Pérez JM, Calaminici P, Köster AM.
PMID: 25072358
J Phys Chem A. 2015 Mar 05;119(9):1494-501. doi: 10.1021/jp506121f. Epub 2014 Jul 29.

Elucidation of the chemical reactivity of metal clusters is often cumbersome due to the nonintuitive structures of the corresponding transition states. In this work, a hierarchical transition-state algorithm as implemented in the deMon2k code has been applied to locate...

Kinetic Monte Carlo simulation of CO adsorption on sulfur-covered Pd(100).

The journal of physical chemistry. A

Alfonso DR.
PMID: 24494801
J Phys Chem A. 2014 Sep 04;118(35):7306-13. doi: 10.1021/jp4115817. Epub 2014 Feb 12.

The use of atomistic Kinetic Monte Carlo method was explored to examine the influence of sulfur poisoning on CO adsorption on Pd(100) surface. The model explicitly incorporates key elementary processes such as CO adsorption and CO desorption including diffusion...

High-resolution rovibrational spectroscopy of jet-cooled phenyl radical: the ν19 out-of-phase symmetric CH stretch.

The journal of physical chemistry. A

Buckingham GT, Chang CH, Nesbitt DJ.
PMID: 23537501
J Phys Chem A. 2013 Oct 03;117(39):10047-57. doi: 10.1021/jp400702p. Epub 2013 Apr 17.

Phenyl radical has been studied via sub-Doppler infrared spectroscopy in a slit supersonic discharge expansion source, with assignments for the highest frequency b2 out-of-phase C-H symmetric stretch vibration (ν19) unambiguously confirmed by ≤6 MHz (0.0002 cm(-1)) agreement with microwave...

Quantum mechanical characterization of the He4ICl weakly bound complex.

The journal of physical chemistry. A

Valdés Á, Prosmiti R.
PMID: 23537513
J Phys Chem A. 2013 Aug 15;117(32):7217-23. doi: 10.1021/jp4011263. Epub 2013 Apr 16.

Vibrational calculations are performed for the 12-dimensional He4ICl van der Waals complex using the multiconfiguration time-dependent Hartree (MCTDH) method. The potential energy surface of the cluster is represented as a sum of the triatomic He-ICl ab initio parametrized terms...

Simple charge-transfer model for metallic complexes.

The journal of physical chemistry. A

Ramírez-Ramírez JZ, Vargas R, Garza J, Gázquez JL.
PMID: 20666541
J Phys Chem A. 2010 Aug 05;114(30):7945-51. doi: 10.1021/jp100309c.

In the chemistry of metallic complexes, two important concepts have been used to rationalize the recognition and selectivity of a host by a guest: preorganization and complementarity. Both of these concepts stem from geometrical features. Less explored in the...

Evaluating the role of triborane(7) as catalyst in the pyrolysis of tetraborane(10).

The journal of physical chemistry. A

Sun B, McKee ML.
PMID: 24020644
J Phys Chem A. 2013 Sep 19;117(37):9076-82. doi: 10.1021/jp405621u. Epub 2013 Sep 10.

The initial steps in the B4H10 pyrolysis mechanism have been elucidated. The mechanism can be divided into three stages: initial formation of B4H8, production of volatile boranes with B3H7 acting as a catalyst, and formation of nonvolatile products. The...

Dynamics of two-color two-photon excited fluorescence of p-terphenyl: determination and analysis of the molecular parameters.

The journal of physical chemistry. A

Denicke S, Gericke KH, Smolin AG, Shternin PS, Vasyutinskii OS.
PMID: 20722449
J Phys Chem A. 2010 Sep 16;114(36):9681-92. doi: 10.1021/jp101403x.

We present the experimental and theoretical study of the two-photon excited polarized fluorescence of p-terphenyl dissolved in cyclohexane/paraffin. The fluorescence was produced within a two-color two-photon (2C2P) excitation scheme utilizing simultaneous absorption of two femtosecond laser pulses at 400...

Hydrates of trans- and gauche-difluoroacetic acids: a high-resolution microwave spectroscopic study.

The journal of physical chemistry. A

Ouyang B, Howard BJ.
PMID: 20205433
J Phys Chem A. 2010 Apr 01;114(12):4109-17. doi: 10.1021/jp9103849.

Although identical in formula, trans- and gauche-difluoroacetic acids behave as different molecules in rotational spectra due to their distinct sets of rotational constants. In this study, high-resolution microwave spectra of monohydrates, dihydrates, and trihydrates of both trans- and gauche-difluoroacetic...

Geminate charge recombination in liquid alkane with concentrated CCl4: effects of CCl4 radical anion and narrowing of initial distribution of Cl-.

The journal of physical chemistry. A

Saeki A, Yamamoto N, Yoshida Y, Kozawa T.
PMID: 21863825
J Phys Chem A. 2011 Sep 15;115(36):10166-73. doi: 10.1021/jp205989r. Epub 2011 Aug 24.

Dynamics of radical cations and electrons in an admixture of a linear saturated hydrocarbon (n-dodecane) and halocarbon (carbon tetrachloride, CCl(4)) were investigated by picosecond electron beam pulse radiolysis. The decay of thermalized electrons (e(th)(-)) observed in infrared transient photoabsorption...

Scientific autobiography of David W. Pratt.

The journal of physical chemistry. A

Pratt DW.
PMID: 21863878
J Phys Chem A. 2011 Sep 01;115(34):9330-4. doi: 10.1021/jp202157r.

No abstract available.

Autobiography of Kenneth D. Jordan.

The journal of physical chemistry. A

[No authors listed]
PMID: 25187189
J Phys Chem A. 2014 Sep 04;118(35):7169-71. doi: 10.1021/jp409886k.

No abstract available.

Multistate treatments of the electronic coupling in donor-bridge-acceptor systems: insights and caveats from a simple model.

The journal of physical chemistry. A

Cave RJ, Newton MD.
PMID: 24266545
J Phys Chem A. 2014 Sep 04;118(35):7221-34. doi: 10.1021/jp408913k. Epub 2013 Dec 10.

We use a simple one-dimensional delta function electronic structure model (dfm) to investigate the results of a pair of multistate diabatization techniques (i.e., based on n states, with n ≥ 2) for linear DBA and DBBA (donor-bridge-acceptor) electron-transfer systems....

Showing 1 to 12 of 17801 entries