Shanxian Chemical
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Dipole Dipole Forces Hydrogen Bonds
On the relationship between dipole-dipole force and hydrogen bond
between heaven and earth, the physical properties are delicate, and the interaction between dipole-dipole force and hydrogen bond is crucial to the shape and properties of all things.
In the molecule, if the charge distribution is uneven and the positive and negative charge centers do not coincide, a dipole will be generated. In this dipole, one pole is positive and the other pole is negative, just like the judgment of yin and yang in heaven and earth. When two molecules have dipoles, the opposite sex attracts, and a dipole-dipole force is generated. Although this force is not maximal, it is enough to affect the convergence and dispersion between molecules.
As for hydrogen bonds, it is actually a special case of dipole-dipole force. When a hydrogen atom is connected to an atom with high electronegativity (such as fluorine, oxygen, and nitrogen), the electron cloud of the hydrogen atom is strongly attracted, causing the hydrogen to almost become a naked proton state. At this time, the hydrogen atom easily interacts strongly with another atom with high electronegativity, which is called hydrogen bonding. The force of hydrogen bonding is stronger than that of ordinary dipole-dipole force, and its influence on the properties of matter is also more significant.
Looking at water, the boiling point of water molecules is higher than expected due to the existence of hydrogen bonds. If there is no hydrogen bond, water or gas state, there will be no rivers, lakes and seas in the world, and life will be difficult to survive. And if biological macromolecules such as proteins and nucleic acids, the stability of their structures and the realization of their functions depend on the force of hydrogen bonds.
The dipole-dipole force and hydrogen bond, although invisible and colorless, control the physical properties in the microscopic world and affect all things in the macroscopic world. Only by exploring its principles can we know the wonders of nature and the wonders of creation. Scholars should delve into its meaning to understand the physical properties and explore the mystery of nature.
between heaven and earth, the physical properties are delicate, and the interaction between dipole-dipole force and hydrogen bond is crucial to the shape and properties of all things.
In the molecule, if the charge distribution is uneven and the positive and negative charge centers do not coincide, a dipole will be generated. In this dipole, one pole is positive and the other pole is negative, just like the judgment of yin and yang in heaven and earth. When two molecules have dipoles, the opposite sex attracts, and a dipole-dipole force is generated. Although this force is not maximal, it is enough to affect the convergence and dispersion between molecules.
As for hydrogen bonds, it is actually a special case of dipole-dipole force. When a hydrogen atom is connected to an atom with high electronegativity (such as fluorine, oxygen, and nitrogen), the electron cloud of the hydrogen atom is strongly attracted, causing the hydrogen to almost become a naked proton state. At this time, the hydrogen atom easily interacts strongly with another atom with high electronegativity, which is called hydrogen bonding. The force of hydrogen bonding is stronger than that of ordinary dipole-dipole force, and its influence on the properties of matter is also more significant.
Looking at water, the boiling point of water molecules is higher than expected due to the existence of hydrogen bonds. If there is no hydrogen bond, water or gas state, there will be no rivers, lakes and seas in the world, and life will be difficult to survive. And if biological macromolecules such as proteins and nucleic acids, the stability of their structures and the realization of their functions depend on the force of hydrogen bonds.
The dipole-dipole force and hydrogen bond, although invisible and colorless, control the physical properties in the microscopic world and affect all things in the macroscopic world. Only by exploring its principles can we know the wonders of nature and the wonders of creation. Scholars should delve into its meaning to understand the physical properties and explore the mystery of nature.
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