A Quasi-One-Dimensional Model for a Chain of Water Molecules on the Nanometer Scale
Water confined into the interior channels of narrow carbon nanotubes or transmembrane proteins can form collectively oriented molecular chains held together by tight hydrogen bonds. We develop a quasi-one-dimensional model for a chain of water molecules which interact with each other via the Coulomb...
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| Veröffentlicht in: | Chinese physics letters 2010-03, Vol.27 (3), p.192-195 |
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| container_title | Chinese physics letters |
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| creator | 吴可非 万荣正 王春雷 任秀平 方海平 |
| description | Water confined into the interior channels of narrow carbon nanotubes or transmembrane proteins can form collectively oriented molecular chains held together by tight hydrogen bonds. We develop a quasi-one-dimensional model for a chain of water molecules which interact with each other via the Coulomb and power-like repulsive interactions. We explore the equilibrium property of the water chain and derive an exact analytical expression for the total interaction energy of the water chain, denoted by W（0）int. It is found that W（0）int is minimal when the distance between the two neighboring water molecules in a hydrogen-bonded chain is equal to 0.265 nm. The model is expected to be useful for studying analytically the properties of single-file water molecules inside water channels, such as the concerted motion of water molecules. |
| doi_str_mv | 10.1088/0256-307X/27/3/034501 |
| format | Article |
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We develop a quasi-one-dimensional model for a chain of water molecules which interact with each other via the Coulomb and power-like repulsive interactions. We explore the equilibrium property of the water chain and derive an exact analytical expression for the total interaction energy of the water chain, denoted by W（0）int. It is found that W（0）int is minimal when the distance between the two neighboring water molecules in a hydrogen-bonded chain is equal to 0.265 nm. 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| identifier | ISSN: 0256-307X |
| ispartof | Chinese physics letters, 2010-03, Vol.27 (3), p.192-195 |
| issn | 0256-307X 1741-3540 |
| language | eng |
| recordid | cdi_chongqing_backfile_33229347 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Chains Channels Coulomb friction Exact solutions Hydrogen bonds Mathematical analysis Molecular chains Proteins 一维模型 分子链 水分子 相互作用能 碳纳米管 纳米级 解析表达式 跨膜蛋白 |
| title | A Quasi-One-Dimensional Model for a Chain of Water Molecules on the Nanometer Scale |
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