k
I
chl (k)
Rate constant of chemiluminescence reactions with unimolecular
kinetics
k
II
chl (k)
Rate constant of chemiluminescence reactions with bimolecular
kinetics
k
III
chl (k)
Rate constant of chemiluminescence reactions with termolecular
kinetics
k II
Rate constant of bimolecular process
k gk
Gas-kinetic rate constant
k
gk
II
Gas-kinetic rate constant of bimolecular process
k III
Rate constant of termolecular process
k
gk
III
Gas-kinetic rate constant of termolecular process
K
Equilibrium constant
K c
Equilibrium constant at constant concentration
K p
Equilibrium constant at constant pressure
l
Orbital moment of electron
L
Total orbital moment of molecule
m
Species mass
M
Species, third body
M
Molecule
n
Van der Waals mode
N
Concentration (number of species per unit volume)
N A
Avogadro number
p
Momentum
p
Pressure
P
Steric factor
P
Probability
P(v)
Vibrational distribution
P i; v i ; v f
À
Á
Vibrational level distribution as a result of the i,v i !f,v f
collision-induced process
P i (j)
Term of a RgI 2 (E,v E ,n E ← B,v B ,n B ) progression
q
Differential cross-section of scattering (reaction)
Q
Heat of reaction
Q
0
0
Reaction thermal effect at T = 0 K
Q
Coordinates of slow subsystem
Q
Quadrupole moment
b
QElectric-quadrupole operator
Q ab
Quadrupole moment tensor
r
Process (reaction) rate
r
Coordinates of fast subsystem
r I
Rate of unimolecular process
r II
Rate of bimolecular process
r III
Rate of termolecular process
R
Distance between center of mass of the interacting species
R
Vector between center of mass of the interacting species
Symbols
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