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Showing 1 to 12 of 14814 entries
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The remarkable [ReH9]2- dianion: molecular structure and vibrational frequencies.

The journal of physical chemistry. B

Li C, Agarwal J, Schaefer HF.
PMID: 24494734
J Phys Chem B. 2014 Jun 19;118(24):6482-90. doi: 10.1021/jp412003s. Epub 2014 Feb 13.

The equilibrium geometries and vibrational frequencies of the extraordinary [ReH9](2-) dianion (D3h symmetry) are investigated using Hartree-Fock (HF) theory, coupled cluster theory with single and double excitations (CCSD), and coupled cluster theory with single, double, and perturbative triple excitations...

Rotational diffusion of nonpolar and charged solutes in propylammonium nitrate-propylene glycol mixtures: does the organized structure of the ionic liquid influence solute rotation?.

The journal of physical chemistry. B

Prabhu SR, Dutt GB.
PMID: 24559021
J Phys Chem B. 2014 Mar 13;118(10):2738-45. doi: 10.1021/jp501343k. Epub 2014 Mar 03.

Rotational diffusion of two structurally similar nonpolar and charged solutes has been examined in mixtures of an ionic liquid and an organic solvent of comparable size and viscosity with an intent to find out whether the organized structure of...

Combined application of high-field diffusion NMR and molecular dynamics simulations to study dynamics in a mixture of carbon dioxide and an imidazolium-based ionic liquid.

The journal of physical chemistry. B

Hazelbaker ED, Budhathoki S, Katihar A, Shah JK, Maginn EJ, Vasenkov S.
PMID: 22770230
J Phys Chem B. 2012 Aug 02;116(30):9141-51. doi: 10.1021/jp304528d. Epub 2012 Jul 17.

Self-diffusion and related short-time dynamic and structural properties were investigated for mixtures of carbon dioxide and the ionic liquid 1-n-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide [bmim](+)[Tf2N](-) for a broad range of carbon dioxide molar fractions and at different temperatures. The studies were performed...

Novel melt-processable poly(ether ether ketone)(PEEK)/inorganic fullerene-like WS(2) nanoparticles for critical applications.

The journal of physical chemistry. B

Naffakh M, Díez-Pascual AM, Marco C, Gómez MA, Jiménez I.
PMID: 20722359
J Phys Chem B. 2010 Sep 09;114(35):11444-53. doi: 10.1021/jp105340g.

The combination of high-performance thermoplastic poly(ether ether ketone) (PEEK) with inorganic fullerene-like tungsten disulfide (IF-WS(2)) nanoparticles offers an attractive way to combine the merits of organic and inorganic materials into novel polymer nanocomposite materials. Here, we report the processing...

Conductivity and viscosity behavior of asymmetric phosphonium iodides.

The journal of physical chemistry. B

Ramírez RE, Torres-González LC, Hernández A, García A, Sánchez EM.
PMID: 20205443
J Phys Chem B. 2010 Apr 01;114(12):4271-5. doi: 10.1021/jp910706m.

In this work, we report the physicochemical properties of a variety of aliphatic phosphonium iodide (API) salts, including thermal degradation. Also, we compared the conductivity, viscosity, and fragility behavior of APIs to similar molten systems and related these properties...

Perfluoroalkane force field for lipid membrane environments.

The journal of physical chemistry. B

von Rudorff GF, Watermann T, Sebastiani D.
PMID: 25275859
J Phys Chem B. 2014 Oct 30;118(43):12531-40. doi: 10.1021/jp507464m. Epub 2014 Oct 17.

In this work, we present atomic parameters of perfluoroalkanes for use within the CHARMM force field. Perfluorinated alkanes represent a special class of molecules. On the one hand, they are considerably more hydrophobic than lipids, but on the other...

Base triggered enhancement of first hyperpolarizability of a keto-enol tautomer.

The journal of physical chemistry. B

De S, Ray M, Pati AY, Das PK.
PMID: 24266533
J Phys Chem B. 2013 Dec 05;117(48):15086-92. doi: 10.1021/jp410368z. Epub 2013 Nov 22.

This work describes the base triggered enhancement of first hyperpolarizability of a tautomeric organic molecule, namely, benzoylacetanilide (BA). We have used the hyper-Rayleigh scattering technique to measure the first hyperpolarizability (β) of BA which exists in the pure keto...

Modeling excluded volume effects for the faithful description of the background signal in double electron-electron resonance.

The journal of physical chemistry. B

Kattnig DR, Reichenwallner J, Hinderberger D.
PMID: 24245922
J Phys Chem B. 2013 Dec 27;117(51):16542-57. doi: 10.1021/jp408338q. Epub 2013 Dec 11.

We discuss excluded volume effects on the background signal of double electron-electron resonance (DEER) experiments. Assuming spherically symmetric pervaded volumes, an analytical expression of the background signal is derived based on the shell-factorization approach. The effects of crowding and...

Sn(IV) Metalloporphyrin/Co(III) Complex: An All-Abundant-Element System for the Photocatalytic Production of H2 in Aqueous Solution.

The journal of physical chemistry. B

Mintrop L, Windisch J, Gotzmann C, Alberto R, Probst B, Kurz P.
PMID: 26230135
J Phys Chem B. 2015 Oct 29;119(43):13698-706. doi: 10.1021/acs.jpcb.5b03106. Epub 2015 Aug 13.

A new, molecular system for the light-driven production of hydrogen in aqueous solution was developed by combining a water-soluble tin porphyrin ([Sn(IV)Cl2TPPC], A) acting as photosensitizer with a cobalt-based proton-reduction catalyst ([Co(III)Cl(dmgH)2(py)], C). Under visible light illumination and with...

Nature of Mesoscopic Organization in Protic Ionic Liquid-Alcohol Mixtures.

The journal of physical chemistry. B

Schroer W, Triolo A, Russina O.
PMID: 26895177
J Phys Chem B. 2016 Mar 10;120(9):2638-43. doi: 10.1021/acs.jpcb.6b01422. Epub 2016 Feb 26.

The mesoscopic morphology of mixtures of ethylammonium nitrate, a protic ionic liquid, and n-pentanol is explored for the first time using small angle X-ray scattering as a function of concentration and temperature. Both compounds are amphiphilic and characterized by...

Connections between the Anomalous Volumetric Properties of Alcohols in Aqueous Solution and the Volume of Hydrophobic Association.

The journal of physical chemistry. B

Ashbaugh HS, Barnett JW, Saltzman A, Langrehr M, Houser H.
PMID: 28968101
J Phys Chem B. 2018 Apr 05;122(13):3242-3250. doi: 10.1021/acs.jpcb.7b08728. Epub 2017 Oct 16.

The partial molar volumes of alcohols in water exhibit a non-monotonic dependence on concentration at room temperature, initially decreasing with increasing concentration before passing through a minimum and rising to the pure liquid plateau. This anomalous behavior is associated...

Exploration of CO2-Philicity of Poly(vinyl acetate-co-alkyl vinyl ether) through Molecular Modeling and Dissolution Behavior Measurement.

The journal of physical chemistry. B

Hu D, Sun S, Yuan PQ, Zhao L, Liu T.
PMID: 26332013
J Phys Chem B. 2015 Sep 24;119(38):12490-501. doi: 10.1021/acs.jpcb.5b08393. Epub 2015 Sep 10.

Hydrocarbon CO2-philes are of great interest for use in expanding CO2 applications as a green solvent. In this work, multiscale molecular modeling and dissolution behavior measurement were both applied to explore CO2-philicity of the poly(vinyl acetate) (PVAc)-based copolymer. Introduction...

Showing 1 to 12 of 14814 entries