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Rate of ISC Formula

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Rate of ISC is the rate of an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity. Check FAQs

Rate ISC = K ISC \cdot [M S1]

Rate_ISC - Rate of ISC?K_ISC - Rate Constant of Intersystem Crossing?[M_S1] - Singlet State Concentration?

Rate of ISC Example

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Here is how the Rate of ISC equation looks like with Values.

Here is how the Rate of ISC equation looks like with Units.

Here is how the Rate of ISC equation looks like.

1.28 = 64000 \cdot 2E-5

1.28mol/L*s = 64000rev/s \cdot 2E-5mol/L

1.28 = 64000 \cdot 2E-5

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Rate of ISC Solution

Follow our step by step solution on how to calculate Rate of ISC?

FIRST Step Consider the formula

Rate ISC = K ISC \cdot [M S1]

Next Step Substitute values of Variables

∴

Rate ISC = 64000rev/s \cdot 2E-5mol/L

Next Step Convert Units

∴

Rate ISC = 64000Hz \cdot 0.02mol/m³

Next Step Prepare to Evaluate

∴

Rate ISC = 64000 \cdot 0.02

Next Step Evaluate

∴

Rate ISC = 1280mol/m³*s

LAST Step Convert to Output's Unit

∴

Rate ISC = 1.28mol/L*s

Rate of ISC Formula Elements

Variables

Rate of ISC

Rate of ISC is the rate of an isoenergetic radiationless process involving a transition between the two electronic states with different spin multiplicity.

Symbol: Rate_ISC

Measurement: Reaction RateUnit: mol/L*s

Note: Value can be positive or negative.

Formulas to find Rate of ISC

Rate Constant of Intersystem Crossing

Rate Constant of Intersystem Crossing is the rate of decay from excited singlet electronic state to triplet state.

Symbol: K_ISC

Measurement: FrequencyUnit: rev/s

Note: Value can be positive or negative.

Formulas to find Rate Constant of Intersystem Crossing

Singlet State Concentration

Singlet State Concentration is the number of molecules present in the singlet excited state.

Symbol: [M_S1]

Measurement: Molar ConcentrationUnit: mol/L

Note: Value can be positive or negative.

Formulas to find Singlet State Concentration

Other formulas in Emission Spectroscopy category

Go Collisional Energy Transfer

R collision = K q \cdot [Q] \cdot [M S1]

Go Degree of Exciplex Formation

α = \frac{K eq \cdot [Q]}{1 + (K eq \cdot [Q])}

Go Difference in Acidity between Ground and Excited State

Δpka = pKa Excited - pKa ground

Go Equilibrium Constant for Exciplex Formation

K eq = \frac{1}{1 - α} - 1

How to Evaluate Rate of ISC?

Rate of ISC evaluator uses Rate of ISC = Rate Constant of Intersystem Crossing*Singlet State Concentration to evaluate the Rate of ISC, The Rate of ISC is defined as the rate of an isoenergetic radiation less process involving a transition between the two electronic states with different spin multiplicity. It is the constant for a process where there is a crossover between electronic states of different multiplicity as demonstrated in the singlet state to a triplet state (S1 to T1) . Rate of ISC is denoted by Rate_ISC symbol.

How to evaluate Rate of ISC using this online evaluator? To use this online evaluator for Rate of ISC, enter Rate Constant of Intersystem Crossing (K_ISC) & Singlet State Concentration ([M_S1]) and hit the calculate button.

FAQs on Rate of ISC

What is the formula to find Rate of ISC?

The formula of Rate of ISC is expressed as Rate of ISC = Rate Constant of Intersystem Crossing*Singlet State Concentration. Here is an example- 0.00128 = 64000*0.02.

How to calculate Rate of ISC?

With Rate Constant of Intersystem Crossing (K_ISC) & Singlet State Concentration ([M_S1]) we can find Rate of ISC using the formula - Rate of ISC = Rate Constant of Intersystem Crossing*Singlet State Concentration.

Can the Rate of ISC be negative?

Yes, the Rate of ISC, measured in Reaction Rate can be negative.

Which unit is used to measure Rate of ISC?

Rate of ISC is usually measured using the Mole per Liter Second[mol/L*s] for Reaction Rate. Millimole per Liter Second[mol/L*s], Mole per Cubic Meter Second[mol/L*s] are the few other units in which Rate of ISC can be measured.

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Rate of ISC Formula

Rate of ISC Example

Rate of ISC Solution

Rate of ISC Formula Elements

Other formulas in Emission Spectroscopy category

How to Evaluate Rate of ISC?

FAQs on Rate of ISC

Variable Name