کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9588647 | 1506644 | 2005 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Density and orientational structure of water around a hydrophobic solute: effects due to the solute size
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
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چکیده انگلیسی
The major concern is the structure of water around a hydrophobic solute. Effects due to the solute size are systematically investigated using the reference hypernetted-chain (RHNC) theory combined with the water model, a hard sphere in which a point dipole and a point quadrupole of tetrahedral symmetry are embedded. The structure exhibits drastic change when the solute size dM/dS (dM and dS are diameters of the solute and a water molecule, respectively) increases from 1 to 2. As the solute size increases further, the density structure converges to the planar-wall limit quite rapidly, while the convergence of the orientational structure is slower. The orientation of molecules neighboring the solute can be characterized by a mixture of the two opposite orientations unique to dM/dS=1 and to the planar-wall limit. They contribute to the structure almost equally for 2
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Liquids - Volume 119, Issues 1â3, 15 May 2005, Pages 47-54
Journal: Journal of Molecular Liquids - Volume 119, Issues 1â3, 15 May 2005, Pages 47-54
نویسندگان
Masahiro Kinoshita,