# composite123x.in (SIMPSON 3.1) #composite pulse X(90°)-X(180°)X(270°), positive gyromagnetic ratio nucleus #Mx versus offset varying from 0 to np kHz in steps of 1 kHz spinsys { channels 29Si nuclei 29Si shift 1 0 0 0 0 0 0 } par { proton_frequency 400e6 variable tsw 0.5 sw 1.0e6/tsw np 71 crystal_file alpha0beta0 gamma_angles 1 start_operator I1z detect_operator 2*I1x verbose 1101 variable rf 50000 variable p1 5 variable p2 10 variable p3 15 } proc pulseq {} { global par for {set i 0} {$i < $par(np)} {incr i} { offset [expr $i*1000] pulse $par(p1) $par(rf) x pulse $par(p2) $par(rf) -x pulse $par(p3) $par(rf) x acq reset } } proc main {} { global par fsave [fsimpson] $par(name).fid puts "Larmor frequency (Hz) of 29Si: " puts [resfreq 29Si $par(proton_frequency)] } #SIMP #NP=71 #SW=2000000 #TYPE=FID #DATA #2.44921271e-016 0 #0.0399200792 0 #0.0793625278 0 #0.117859117 0 #0.154960098 0 #0.190242654 0 #0.223318435 0 #0.253839942 0 #0.281505569 0 #0.30606316 0 #0.327312023 0 #0.345103382 0 #0.359339351 0 #0.369970531 0 #0.376992442 0 #0.380440998 0 #0.380387319 0 #0.376932167 0 #0.370200322 0 #0.360335201 0 #0.347494025 0 #0.331843774 0 #0.313558171 0 #0.292815826 0 #0.269799663 0 #0.244697631 0 #0.217704663 0 #0.189025747 0 #0.15887992 0 #0.127504917 0 #0.0951621584 0 #0.0621417218 0 #0.0287669075 0 #-0.0046019978 0 #-0.0375651484 0 #-0.0696821194 0 #-0.10047276 0 #-0.129420174 0 #-0.155976012 0 #-0.179568157 0 #-0.199610807 0 #-0.215516825 0 #-0.226712136 0 #-0.232651851 0 #-0.232837669 0 #-0.226836051 0 #-0.214296573 0 #-0.19496979 0 #-0.168723944 0 #-0.135559814 0 #-0.0956230173 0 #-0.0492131304 0 #0.00321095012 0 #0.0610298898 0 #0.123467411 0 #0.189598636 0 #0.258363363 0 #0.328584205 0 #0.398989344 0 #0.46823949 0 #0.534958493 0 #0.597766851 0 #0.655317299 0 #0.706331479 0 #0.749636656 0 #0.784201375 0 #0.809168915 0 #0.823887456 0 #0.827935872 0 #0.821144197 0 #0.803607916 0 #END