# Bi-7Q-fil196.in # spin-9/2 anti echo and echo amplitude optimization # versus the first-pulse duration # in three-pulse amplitude-modulated z-filter 7QMAS, # the second-pulse duration p2 = 4 micro seconds # the third-pulse duration p3 = 2 micro seconds spinsys { channels 209Bi nuclei 209Bi quadrupole 1 2 3e6 0 0 0 0 } par { spin_rate 5000 variable tsw 0.25 sw 1.0e6/tsw np 17 crystal_file rep10 gamma_angles 10 proton_frequency 800e6 start_operator 196*I1z detect_operator I1c verbose 1101 variable rf 90000 variable rf3 9300 variable p2 4 variable p3 2 } proc pulseq {} { global par maxdt $par(tsw) matrix set 1 coherence {-7 7} matrix set 2 coherence {0} acq -y for {set i 1} {$i < $par(np)} {incr i} { pulse $par(tsw) $par(rf) x store 2 filter 1 pulse $par(p2) $par(rf) x filter 2 pulse $par(p3) $par(rf3) x acq -y reset prop 2 } } proc main {} { global par fsave [fsimpson] $par(name).fid puts "Larmor frequency (Hz) of 209Bi: " puts [resfreq 209Bi $par(proton_frequency)] } #SIMP #NP=17 #SW=4000000 #TYPE=FID #DATA #0 0 #1.86187687e-13 -4.88515551e-16 #-1.05868258e-11 -1.02991072e-12 #-2.33118803e-07 4.98361224e-11 #-1.43799966e-05 6.60080414e-09 #-0.000261877157 1.31106755e-07 #-0.00233371945 1.12555425e-06 #-0.0130896325 5.56986952e-06 #-0.0536529272 1.86185129e-05 #-0.17475946 4.71410173e-05 #-0.470950776 9.9578231e-05 #-1.0724198 0.000191045978 #-2.10248378 0.000355511795 #-3.62573405 0.000660589905 #-5.62680361 0.00120996829 #-8.028288 0.00211506409 #-10.7226466 0.00343965446 #END