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Dipole moment
 
 
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Dipole moment refers to the quality of a system to behave like a dipole
Dipole

In physics, there are two kinds of dipoles :*An electric dipole is a separation of positive and negative charge. The simplest example of this is a pair of electric charges of equal magnitude but opposite sign, separated by some, usually small, distance....
. Dipole moment is the measured polarity
Polarity

In physics, polarity is a description of an attribute, typically a binary attribute , or a vector . For example:* An electric charge has a polarity of either positive or negative....
 of a polar covalent bond
Covalent bond

A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons between atoms, or between atoms and other covalent bonds....
. It is defined as the product magnitude of charge
Charge

Charge or charged may refer to:...
 on the atoms and the distance
Distance

Distance is a numerical description of how far apart objects are. In physics or everyday discussion, distance may refer to a physical length, a period of time, or an estimation based on other criteria ....
 between the two bonded atoms. Its common unit is debye
Debye

The debye is a non-SI, CGS unit of electric dipole moment. It is defined as 1 statcoulomb centimeter . In SI units, 1 D equals approximately 3.33564 coulomb-meter ....
 and SI unit is Coulomb
Coulomb

The coulomb is the SI unit of electric charge. It is named after Charles-Augustin de Coulomb....
  metre
Metre

The metre or meter is a Unit of measurement of length. It is the SI base unit of length in the metric system and in the International System of Units , used around the world for general and scientific purposes....
.

Dipole moments may be measured by comparing the dielectric constant and refractive index of solutions, where the solvent does not have a permanent dipole; e.g.






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Dipole moment refers to the quality of a system to behave like a dipole
Dipole

In physics, there are two kinds of dipoles :*An electric dipole is a separation of positive and negative charge. The simplest example of this is a pair of electric charges of equal magnitude but opposite sign, separated by some, usually small, distance....
. Dipole moment is the measured polarity
Polarity

In physics, polarity is a description of an attribute, typically a binary attribute , or a vector . For example:* An electric charge has a polarity of either positive or negative....
 of a polar covalent bond
Covalent bond

A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons between atoms, or between atoms and other covalent bonds....
. It is defined as the product magnitude of charge
Charge

Charge or charged may refer to:...
 on the atoms and the distance
Distance

Distance is a numerical description of how far apart objects are. In physics or everyday discussion, distance may refer to a physical length, a period of time, or an estimation based on other criteria ....
 between the two bonded atoms. Its common unit is debye
Debye

The debye is a non-SI, CGS unit of electric dipole moment. It is defined as 1 statcoulomb centimeter . In SI units, 1 D equals approximately 3.33564 coulomb-meter ....
 and SI unit is Coulomb
Coulomb

The coulomb is the SI unit of electric charge. It is named after Charles-Augustin de Coulomb....
  metre
Metre

The metre or meter is a Unit of measurement of length. It is the SI base unit of length in the metric system and in the International System of Units , used around the world for general and scientific purposes....
.

Dipole moments may be measured by comparing the dielectric constant and refractive index of solutions, where the solvent does not have a permanent dipole; e.g. cyclohexane. The solution should contain a non-dissociated solute molecule of choice.

Dipole moment may also refer to:

  • Electric dipole moment
    Electric dipole moment

    In physics, the electric dipole moment is a measure of the Polarity of a system of electric charges called dipole.In the simple case of two point charges, one with charge and one with charge , the electric dipole moment is:...
    , the measure of the electrical polarity of a system of charges
  • Transition dipole moment
    Transition dipole moment

    The Transition dipole moment or Transition moment, usually denoted for a transition between an initial state, , and a final state, , is the electric dipole moment associated with the transition between the two states....
    , the electrical dipole moment in quantum mechanics
  • Magnetic dipole moment, the measure of the magnetic polarity of a system of charges
  • Bond dipole moment
    Bond dipole moment

    The bond dipole moment uses the idea of electric dipole moment to measure the chemical polarity of a chemical bond within a molecule. The bond dipole ? is given by:...
    , the measure of polarity of a chemical bond
  • Electron electric dipole moment
    Electron electric dipole moment

    The electron electric dipole moment de is a representation of the charge distribution within an electron. Within the standard model of elementary particle physics, such a dipole is predicted to be of smaller than 10-40 e cm, where e stands for the elementary charge....
    , the measure of the charge distribution within an electron
  • Topological dipole moment, the measure of the topological defect charge distribution