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ISC Rate Constant Calculator

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✖Rate of Intersystem Crossing is the rate of an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity.ⓘ Rate of Intersystem Crossing [R_ISC]			+10% -10%
✖Singlet State Concentration is the number of molecules present in the singlet excited state.ⓘ Singlet State Concentration [[M_S1]]			+10% -10%

✖Rate Constant of ISC is the rate of decay from excited singlet electronic state to triplet state.ⓘ ISC Rate Constant [K_i]

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ISC Rate Constant Solution

STEP 0: Pre-Calculation Summary

Formula Used

Rate Constant of ISC = Rate of Intersystem Crossing*Singlet State Concentration
K_i = R_ISC*[M_S1]
This formula uses 3 Variables

Variables Used

Rate Constant of ISC - (Measured in Hertz) - Rate Constant of ISC is the rate of decay from excited singlet electronic state to triplet state.
Rate of Intersystem Crossing - (Measured in Mole per Cubic Meter Second) - Rate of Intersystem Crossing is the rate of an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity.
Singlet State Concentration - (Measured in Mole per Cubic Meter) - Singlet State Concentration is the number of molecules present in the singlet excited state.

STEP 1: Convert Input(s) to Base Unit

Rate of Intersystem Crossing: 3200 Mole per Liter Second --> 3200000 Mole per Cubic Meter Second (Check conversion here)
Singlet State Concentration: 2E-05 Mole per Liter --> 0.02 Mole per Cubic Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K_i = R_ISC*[M_S1] --> 3200000*0.02

Evaluating ... ...

K_i = 64000

STEP 3: Convert Result to Output's Unit

64000 Hertz -->64000 Revolution per Second (Check conversion here)

FINAL ANSWER

64000 Revolution per Second <-- Rate Constant of ISC

(Calculation completed in 00.020 seconds)

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< Emission Spectroscopy Calculators

Degree of Exciplex Formation

LaTeX Go Degree of Exciplex Formation = (Equilibrium Constant for Coordinate Complexes*Quencher Concentration given Degree of Exciplex)/(1+(Equilibrium Constant for Coordinate Complexes*Quencher Concentration given Degree of Exciplex))

Collisional Energy Transfer

LaTeX Go Rate of Collisional Energy Transfer = Quenching Constant*Quencher Concentration given Degree of Exciplex*Singlet State Concentration

Difference in Acidity between Ground and Excited State

LaTeX Go Difference in pka = pKa of Excited State-pKa of Ground State

Equilibrium Constant for Exciplex Formation

LaTeX Go Equilibrium Constant for Coordinate Complexes = 1/(1-Degree of Exciplex Formation)-1

< Fluoroscence and Phosphorescence Calculators

Initial Intensity given Degree of Exciplex Formation

LaTeX Go Initial Intensity given Degree of Exciplex = Rate Constant of Fluoroscence*Equilibrium Constant for Coordinate Complexes/(Rate Constant of Fluoroscence+Rate Constant of Non Radiative Reaction)

Fluoroscence Intensity without Quenching

LaTeX Go Intensity Without Quenching = (Rate Constant of Fluoroscence*Absorption Intensity)/(Rate Constant of Non Radiative Reaction+Rate Constant of Fluoroscence)

Fluoroscence Intensity

LaTeX Go Fluorosence Intensity = (Rate Constant of Fluoroscence*Absorption Intensity)/(Rate Constant of Fluoroscence+Rate Constant of Non Radiative Reaction)

Fluorescence Rate Constant

LaTeX Go Rate Constant of Fluoroscence = Rate of Fluoroscence/Singlet State Concentration

ISC Rate Constant Formula

LaTeX Go

Rate Constant of ISC = Rate of Intersystem Crossing*Singlet State Concentration
K_i = R_ISC*[M_S1]

What is emission spectroscopy ?

Atomic emission spectroscopy is a method of chemical analysis that uses the intensity of light emitted from a flame, plasma, arc, or spark at a particular wavelength to determine the quantity of an element in a sample.

What is the duration of phosphorescence?

Unlike fluorescence, in which the absorbed light is spontaneously emitted about 10-8 second after excitation, phosphorescence requires additional excitation to produce radiation and may last from about 10-3 second to days or years, depending on the circumstances.

How to Calculate ISC Rate Constant?

ISC Rate Constant calculator uses Rate Constant of ISC = Rate of Intersystem Crossing*Singlet State Concentration to calculate the Rate Constant of ISC, The ISC Rate Constant formula is defined as the rate of decay from excited singlet electronic state to triplet state. It is the constant of a dynamical process that arises from spin-orbit coupling between electronic states belonging to different electron spin multiplicities. Rate Constant of ISC is denoted by K_i symbol.

How to calculate ISC Rate Constant using this online calculator? To use this online calculator for ISC Rate Constant, enter Rate of Intersystem Crossing (R_ISC) & Singlet State Concentration ([M_S1]) and hit the calculate button. Here is how the ISC Rate Constant calculation can be explained with given input values -> 64000 = 3200000*0.02.

FAQ

What is ISC Rate Constant?

The ISC Rate Constant formula is defined as the rate of decay from excited singlet electronic state to triplet state. It is the constant of a dynamical process that arises from spin-orbit coupling between electronic states belonging to different electron spin multiplicities and is represented as K_i = R_ISC*[M_S1] or Rate Constant of ISC = Rate of Intersystem Crossing*Singlet State Concentration. Rate of Intersystem Crossing is the rate of an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity & Singlet State Concentration is the number of molecules present in the singlet excited state.

How to calculate ISC Rate Constant?

The ISC Rate Constant formula is defined as the rate of decay from excited singlet electronic state to triplet state. It is the constant of a dynamical process that arises from spin-orbit coupling between electronic states belonging to different electron spin multiplicities is calculated using Rate Constant of ISC = Rate of Intersystem Crossing*Singlet State Concentration. To calculate ISC Rate Constant, you need Rate of Intersystem Crossing (R_ISC) & Singlet State Concentration ([M_S1]). With our tool, you need to enter the respective value for Rate of Intersystem Crossing & Singlet State Concentration and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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