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Electric charge which is not an integer multiple of elementary charge
In atomic physics, a partial charge (or net atomic charge) is a non-integer charge value when measured in elementary charge units. It is represented by
Partial_charge
Topics referred to by the same term
producing another function Partial charge or net atomic charge, in chemistry a charge value that is not an integer or whole number Partial fingerprint, impression
Partial
Electromagnetic property of matter
they were in a helium nucleus). SI electromagnetism units Color charge Partial charge Positron or antielectron is an antiparticle or antimatter counterpart
Electric_charge
Equations describing classical electromagnetism
are a set of coupled partial differential equations that describe how electric and magnetic fields are generated by electric charges and currents. Together
Maxwell's_equations
Fundamental physical law – electric charge is continuously conserved in space and time
{\displaystyle {\frac {\partial \rho }{\partial t}}+\nabla \cdot \mathbf {J} =0.} The term on the left is the rate of change of the charge density ρ at a point
Charge_conservation
Localized dielectric breakdown under high voltage stress
In electrical engineering, partial discharge (PD) is a localized dielectric breakdown (DB) (which does not completely bridge the space between the two
Partial_discharge
Aspect of quantum chemistry
charges, which are mathematically ill-defined. Recently, Pipek–Mezey style schemes based on a variety of mathematically well-defined partial charge estimates
Localized_molecular_orbitals
Covalent bond between carbon and fluorine atoms
This introduces ionic character to the bond through partial charges (Cδ+—Fδ−). The partial charges on the fluorine and carbon are attractive, contributing
Carbon–fluorine_bond
Class of chemical compounds
result of the electronegativity of fluorine imparting partial ionic character through partial charges on the carbon and fluorine atoms, which shorten and
Fluorocarbon
Symbols for constants, special functions
vertex in a given graph a partial charge. δ− represents a negative partial charge, and δ+ represents a positive partial charge in chemistry(See also: Solvation)
Greek letters used in mathematics, science, and engineering
Greek_letters_used_in_mathematics,_science,_and_engineering
Fourth letter in the Greek alphabet
exhibits electrical reactance, the angle between voltage and current. Partial charge in chemistry. The maximum birefringence of a crystal in optical mineralogy
Delta_(letter)
Electric charges present on the surface of a solid
interact with partial charges on the surface, adsorbing to and thus ionizing the surface and creating a net surface charge. This net charge results in a
Surface_charge
Separation of electric charge in a molecule
electric charge. Because the amount of charge separated in such dipoles is usually smaller than a fundamental charge, they are called partial charges, denoted
Chemical_polarity
Equation describing the transport of some quantity
\mathbf {J} +{\frac {\partial \rho }{\partial t}}=0.} Current is the movement of charge. The continuity equation says that if charge is moving out of a differential
Continuity_equation
Assembly of molecules or ions
electrostatic forces, i.e., one has at least partial negative charge and the partner has partial positive charge, referred to respectively as the electron
Charge-transfer_complex
zwitterions because many polar molecules achieve their dipole moment through partial charges rather than full, discrete ionic functional groups. Some dipolar compounds
Dipolar_compound
Intermolecular forces between oppositely-charged sites on molecules
in the region of electron depletion. This partial positive charge coexists with a partial negative charge of larger magnitude associated with the more
Sigma_hole_interactions
Electric charge per unit length, area or volume
In electromagnetism, charge density is the amount of electric charge per unit length, surface area, or volume. Volume charge density (symbolized by the
Charge_density
Chemical compound
fluorine, the carbon in tetrafluoromethane has a significant positive partial charge which strengthens and shortens the four carbon–fluorine bonds by providing
Carbon_tetrafluoride
Defenses used in criminal law
pleading a partial defense for murder may reduce the conviction to voluntary manslaughter. There are three types of partial defense to the charge of murder
Criminal_defenses
Elliptic partial differential equation
Poisson's equation is an elliptic partial differential equation of broad utility in theoretical physics. For example, the solution to Poisson's equation
Poisson's_equation
Electrophilic addition of hydrogen halides to alkenes
atoms to stabilize positive charge (either a partial charge in the case of a concerted transition state or a full formal charge for a discrete vinyl cation)
Hydrohalogenation
editing building polymeric molecules, crystals, and solvated systems partial charges development geometry optimization support for the different aspects
Molecular_design_software
countries under the jurisdiction of the Minister of Foreign Affairs to take partial charge of diplomatic or consular affairs under the control of the Ministry
List of diplomatic missions of South Korea
List_of_diplomatic_missions_of_South_Korea
Lowest perceivable odor concentration
a chemical compound is determined in part by its shape, polarity, partial charges, and molecular mass. The olfactory mechanisms responsible for a compound's
Odor_detection_threshold
is a field-effect transistor which uses the field-effect due to the partial charges of DNA molecules to function as a biosensor. The structure of DNAFETs
DNA_field-effect_transistor
Representation of a chemical process as a single energetic pathway
diagram. For an SN1 mechanism the transition state structure shows a partial charge density relative to the neutral ground state structure. Therefore, increasing
Energy_profile_(chemistry)
Quantum number related to the strong force
Color charge is a property of quarks and gluons that is related to the particles' strong interactions in the theory of quantum chromodynamics (QCD). Like
Color_charge
Quantum field theory of electromagnetism
}\equiv \partial _{\mu }+ieA_{\mu }+ieB_{\mu }} is the gauge covariant derivative. e is the coupling constant, equal to the electric charge of the Dirac
Quantum_electrodynamics
Force acting on charged particles in electric and magnetic fields
{\partial L}{\partial x}}=-q{\frac {\partial \phi }{\partial x}}+q\left({\frac {\partial A_{x}}{\partial x}}{\dot {x}}+{\frac {\partial A_{y}}{\partial
Lorentz_force
Line integral of the electric field
per unit of electric charge that a point charge would have if it was located at that point: at every point, a particle of charge q particle {\displaystyle
Electric_potential
Chemical compound
has a large dipole moment with a negative partial charge (δ−) at the chlorine atom and a positive partial charge (δ+) at the hydrogen atom. In part because
Hydrogen_chloride
Charged chemical group of the form >CO–
([R2C=NRH]+), respectively, have partial charges of δ+ = 0.33 and δ+ = 0.54, respectively. The order of partial positive charge on the carbonyl carbon is therefore
Oxocarbenium
Physical field surrounding an electric charge
In classical electromagnetism, the electric field of a single charge (or group of charges) describes their capacity to exert attractive or repulsive forces
Electric_field
Statement relating differentiable symmetries to conserved quantities
{\partial L}{\partial \mathbf {q} }}\left(-{\frac {\partial \varphi }{\partial \mathbf {q} }}{\dot {\mathbf {q} }}T+{\frac {\partial \varphi }{\partial
Noether's_theorem
Diagrams for the bonding between atoms of a molecule and lone pairs of electrons
often results in the same sign as the partial charge of the atom, with exceptions. In general, the formal charge of an atom can be calculated using the
Lewis_structure
Two related parameters used in description of the kinetics of electrochemical reactions
{\displaystyle E} : electrode potential I {\displaystyle I} : partial cathodic (anodic) current The charge transfer coefficient signifies the fraction of the interfacial
Charge_transfer_coefficient
Chemical compound
which gives a partial positive charge with aromatic stabilization on the cyclopropene (cyclopropenium) ring and a partial negative charge on oxygen. The
Diphenylcyclopropenone
Principle in particle physics
j μ = 0 {\displaystyle \partial _{\mu }j^{\mu }=0} then signifies charge conservation. Charge conservation Pohlmeyer charge Williams, W. S. C. (2019-01-10)
Charge_invariance
Method in computational chemistry
Mulliken charges arise from the Mulliken population analysis and provide a means of estimating partial atomic charges from calculations carried out by
Mulliken_population_analysis
Corporate fraud
and filed three partial charge sheets (dated 7 April 2009, 24 November 2009, and 7 January 2010), over the course of the year. All charges arising from the
Satyam_scandal
Physical model of propagating energy
{\partial ^{2}}{\partial t^{2}}}={\frac {\partial ^{2}}{\partial x^{2}}}+{\frac {\partial ^{2}}{\partial y^{2}}}+{\frac {\partial ^{2}}{\partial z^{2}}}-{\frac
Electromagnetic_radiation
Type of verdict
A partial verdict occurs when a judge permits a jury to return verdicts on fewer than all of the counts it has to decide, though it has not yet determined
Partial_verdict
Laws regarding plastic shopping bags
A plastic bag ban or charge is a law that restricts the use of lightweight plastic bags at retail establishments. In the early 21st century, there has
Plastic_bag_ban
Relativistic vector field
{\displaystyle \Box ={\frac {1}{c^{2}}}{\frac {\partial ^{2}}{\partial t^{2}}}-\nabla ^{2}=\partial ^{\alpha }\partial _{\alpha }} is the d'Alembertian operator
Electromagnetic four-potential
Electromagnetic_four-potential
molecular orbitals begin to overlap with each other and atoms bearing partial charges begin to experience attractive or repulsive electrostatic forces. First
Klopman–Salem_equation
Description of a molecule's true bond structure as a combination of structures
the "average" of the contributing structures, with bond lengths and partial charges taking on intermediate values compared to those expected for the individual
Resonance_(chemistry)
Discovering chemical properties by physical simulations
of parameters consisting of equilibrium bond lengths, bond angles, partial charge values, force constants and van der Waals parameters are collectively
Molecular_modelling
Procedure of coping with redundant degrees of freedom in physical field theories
-{\frac {\partial {\mathbf {A} }}{\partial t}}-\nabla {\frac {\partial {\psi }}{\partial t}}=-\nabla \left(\varphi +{\frac {\partial {\psi }}{\partial t}}\right)-{\frac
Gauge_fixing
Concept in classical electromagnetism
continuity equation for electric charge: ∇ ⋅ J = − ∂ ρ ∂ t , {\displaystyle \nabla \cdot \mathbf {J} =-{\frac {\partial \rho }{\partial t}}\,,} which is nonzero
Ampère's_circuital_law
Process that leads to chemical changes
atom or molecule with an excess of electrons and thus a negative charge or partial charge, replaces another atom or part of the "substrate" molecule. The
Chemical_reaction
Photoelectric properties Exotic phenomena such as super-conductive properties Partial charge transfer, adsorption of species leading to change in electronic properties
Electromaterials
Partial differential equation used in physics
{\partial \mathbf {E} }{\partial t}}\\\end{aligned}}} These are the general Maxwell's equations specialized to the case with charge and current both set to
Electromagnetic_wave_equation
Field of science
location of the charge. There are several types of charge-transfer reactions (also known as charge-permutation reactions): partial-charge transfer A 2 +
Gas-phase_ion_chemistry
Tendency of an atom to attract a shared pair of electrons
chlorine, diminishing the partial negative charge of individual oxygen atoms. At the same time, the positive partial charge on the hydrogen increases
Electronegativity
4D analogue of electric current density
of charge conservation is that the Lorentz invariant divergence of J is zero: ∂ J α ∂ x α = ∂ ρ ∂ t + ∇ ⋅ j = 0 , {\displaystyle {\dfrac {\partial J^{\alpha
Four-current
Basic law of electromagnetism
{\displaystyle \oint _{\partial \Sigma }\mathbf {E} \cdot \mathrm {d} \mathbf {l} =-\iint _{\Sigma }{\frac {\partial \mathbf {B} }{\partial t}}\cdot \mathrm
Faraday's_law_of_induction
Electric van produced by General Motors
regardless of weather or traffic conditions. In addition, more gentle or partial charging cycles can be applied, which would prolong the life of the traction
Chevrolet_BrightDrop
Fundamental physical law of electromagnetism
electrostatic force between two point charges is directly proportional to the product of the magnitudes of their charges and inversely proportional to the
Coulomb's_law
Rechargeable battery type often used in motor vehicles
by diffusion, but this is a very slow process. Repeated cycles of partial charging and discharging will increase stratification of the electrolyte, reducing
Lead–acid_battery
Electric and magnetic fields produced by moving charged objects
+\mu _{0}\varepsilon _{0}{\frac {\partial \mathbf {E} }{\partial t}}} where ρ {\displaystyle \rho } is the charge density, which is a function of time
Electromagnetic_field
Molecular modelling software
UCSF ChimeraX. automatic identification of atom hydrogen addition and partial charge assignment high-quality hydrogen bond, contact, and clash detection
UCSF_Chimera
Use of metal-based Lewis acids to catalyze organic reactions
(both sp2 or sp3), nitrogen, sulfur, and halogens. The complexation has partial charge-transfer character and makes the lone-pair donor effectively more electronegative
Lewis_acid_catalysis
Chemical compound of hydrogen and oxygen
electronegative than most other elements, so the oxygen atom has a negative partial charge while the hydrogen atoms are partially positively charged. Along with
Water
Association of atoms to form chemical compounds
with H so that H has a partial positive charge, and B has a lone pair of electrons which is attracted to this partial positive charge and forms a hydrogen
Chemical_bond
Concept on molecular modeling
method to derive partial charges are charge equilibration methods like EEM, SQE or ACKS2. The idea is to assign geometry-dependent charges by letting electronegativity
Force_field_(chemistry)
Calculation technique for classical electrostatics
_{0}\left.{\frac {\partial V}{\partial z}}\right|_{z=0}={\frac {-qa}{2\pi \left(\rho ^{2}+a^{2}\right)^{3/2}}}} In addition, the total charge induced on the
Method_of_image_charges
Relativistic wave description of fermions
¯ T = 0 {\displaystyle -i\,C\,{\partial \!\!\!{\big /}}C^{-1}\,C\,\psi -m\,{\overline {\psi }}^{\mathsf {T}}=0} Charge conjugation transposes the gamma
Majorana_equation
Concept in chemistry
specific properties such as the partial charge. Compared to other charges, such as the Mulliken charge, the IAO charges are independent of the employed
Intrinsic_bond_orbitals
Molecular simulation method
one electron terms for the MM region it is possible to utilize the partial charges described by the MM calculation. This is the most popular method for
QM/MM
Software for chemical structure drawing
Retrieval of information on a molecule based on a drawing Symbols such as partial charge and radicals Reading MDL Molfiles, CML (Chemical Markup Language), ChemDraw
XDrawChem
Physical quantity in electromagnetism
{\partial }{\partial t}}\nabla \times \mathbf {B} =-\mu _{0}{\frac {\partial }{\partial t}}\left(\mathbf {J} +\epsilon _{0}{\frac {\partial }{\partial t}}\mathbf
Displacement_current_density
Vector field describing the density of electric dipole moments in a dielectric material
bound-charge density creates a polarization current density of J p = ∂ P ∂ t {\displaystyle \mathbf {J} _{p}={\frac {\partial \mathbf {P} }{\partial t}}}
Polarization_density
Polymer responsive to electric fields
contain atoms with partial charges and generate dipole moments. When an electrical field is applied, a force is applied to each partial charge, which causes
Electroactive_polymer
Protein structure classification tool
bonds of the protein using a purely electrostatic definition, assuming partial charges of −0.42 e and +0.20 e to the carbonyl oxygen and amide hydrogen respectively
DSSP_(algorithm)
Term used in the US to refer to immigrants unlikely to be able to earn a living
Under the public charge rule, immigrants to the United States classified as Likely or Liable to become a Public Charge may be denied visas or permission
Public_charge_rule
Study of still or slow electric charges
is a branch of physics that studies slow-moving or stationary electric charges on macroscopic objects where quantum effects can be neglected. Under these
Electrostatics
Equation used to calculate the electromigration of ions in a fluid
{x}})} of a chemical species: ∂ c ∂ t + ∇ ⋅ J = 0 {\displaystyle {\partial c \over {\partial t}}+\nabla \cdot {\bf {J}}=0} where J {\displaystyle {\bf {J}}}
Nernst–Planck_equation
Theorem in physics showing the conservation of energy for the electromagnetic field
{\partial u}{\partial t}}=\nabla \cdot \mathbf {S} +\mathbf {J} \cdot \mathbf {E} } where: − ∂ u ∂ t {\displaystyle -{\frac {\partial u}{\partial t}}}
Poynting's_theorem
Polyatomic ion (NO3, charge –1) found in explosives and fertilisers
carries a formal charge of −1. This charge results from a combination formal charge in which each of the three oxygens carries a −2⁄3 charge,[citation needed]
Nitrate
molecule consisting of dative P-N bonding. This is consistent with the partial charge of -1.73 on the N2 fragment calculated by NBO analysis, which also identified
Dinitrogen complexes of main-group elements
Dinitrogen_complexes_of_main-group_elements
Equation of statistical mechanics
{\partial f}{\partial t}}\right)_{\text{force}}+\left({\frac {\partial f}{\partial t}}\right)_{\text{diff}}+\left({\frac {\partial f}{\partial
Boltzmann_equation
Two-electron chemical bond where both electrons derive from the same atom
atoms carry partial charges; the more electronegative atom of the two involved in the bond will usually carry a partial negative charge. One exception
Coordinate_covalent_bond
Equation in physics
electromagnetic waves generated by nonzero source charges and currents. The source terms in the wave equations make the partial differential equations inhomogeneous
Inhomogeneous electromagnetic wave equation
Inhomogeneous_electromagnetic_wave_equation
{\displaystyle P_{val}} , being responsible for the charge flow part, is linearly coupled with partial charge, the normalised κ {\displaystyle \kappa } parameter
Multipole_density_formalism
Solid consisting of discrete molecules
more electronegative than carbon and hydrogen, causing a partial negative (δ-) and positive charge (δ+) on the oxygen and remainder of the molecule, respectively
Molecular_solid
Foundational law of electromagnetism relating electric field and charge distributions
of the divergence theorem, and it relates the distribution of electric charge to the resulting electric field. In its integral form, it states that the
Gauss's_law
Energy transfer by a charged particle
particle in its vicinity. The work per unit of charge is defined as the movement of negligible test charge between two points, and is expressed as the difference
Work_(electric_field)
Invariant charge of the Virasoro algebra
{\displaystyle \partial X^{\mu }} and its conjugate. According to the logic of loop quantum gravity and algebraic quantum field theory, these charges are the
Pohlmeyer_charge
defined for atoms include I= for isotope mass number, charge= for formal charge, fcharge for partial charge, s= for stereochemistry, and spin= for radicals
SYBYL_line_notation
Statement on equilibrium in electromagnetism
}{\partial x}}{\frac {\partial B_{x}}{\partial x}}+{\frac {\partial }{\partial y}}{\frac {\partial B_{x}}{\partial y}}+{\frac {\partial }{\partial z}}{\frac
Earnshaw's_theorem
American chemist, electric auto and wind power engineering innovator
stock Victoria Phaeton achieving as many as 108 miles (174 km) between charges through extremes in weather, terrain, and road conditions; a remarkable
Oliver_Parker_Fritchle
Rearrangement in organic chemistry
transition state where silicon is penta-coordinate and bears a partial negative charge. If a center of chirality is present at the carbon center to which
Brook_rearrangement
Radio Communications System
Capacity reduction due to partial charge cycles also occurred due to the 'memory effect' of the Nicad cells. A discharge/charge process could have prevented
Clansman_(military_radio)
Amount of charge flowing through a unit cross-sectional area per unit time
{I_{A}}{A}}=\left.{\frac {\partial I}{\partial A}}\right|_{A=0},} with surface A remaining centered at M and orthogonal to the motion of the charges during the limit
Current_density
File format that stores chemical formulae and structures
parts, separated by a tag (!Header, !Info, !Atoms, !Bonds, !Coord, !PartialCharges and !End). The XYZ file format is a simple format that usually gives
Chemical_file_format
Hypothetical particle with one magnetic pole
vice versa). A magnetic monopole would have a net north or south "magnetic charge". Modern interest in the concept stems from particle theories, notably grand
Magnetic_monopole
Physical quantities taking values at each point in space and time
{\displaystyle \mathbf {E} =-{\boldsymbol {\nabla }}V-{\frac {\partial \mathbf {A} }{\partial t}}} B = ∇ × A . {\displaystyle \mathbf {B} ={\boldsymbol {\nabla
Field_(physics)
Partial element equivalent circuit method (PEEC) is partial inductance calculation used for interconnect problems from early 1970s which is used for numerical
Partial element equivalent circuit
Partial_element_equivalent_circuit
Physical theory with fields invariant under the action of local "gauge" Lie groups
μ − i e ℏ A μ {\displaystyle D_{\mu }=\partial _{\mu }-i{\frac {e}{\hbar }}A_{\mu }} Identifying the "charge" e (not to be confused with the mathematical
Gauge_theory
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