NMRDpedia - Cross Relaxation I=1/2, I=1

Cross Relaxation (I=1/2, I=1)

(fitteia's extended models library)

double R1CRsp1(double f, double Cnh, double tq, double fq1, double fq2, double Theta, double Phi)

{

double af,c1,c2;

c1 = 1.0/3.0+pow(sin(Theta)*cos(Phi),2.0);

c2 = 1.0/3.0+pow(cos(Phi),2.0);

af= Cnh*(

c1*( tq/(1+pow(2*pi*(f-fq1)*tq,2.0)) + tq/(1+pow(2*pi*(f+fq1)*tq,2.0)) )

+ c1*( tq/(1+pow(2*pi*(f-fq2)*tq,2.0)) + tq/(1+pow(2*pi*(f+fq2)*tq,2.0)) )

+ c2*( tq/(1+pow(2*pi*(f-(fq1-fq2))*tq,2.0)) + tq/(1+pow(2*pi*(f+(fq1-fq2))*tq,2.0)) )

);

return af;

}