CW NMR scan

CW NMR scan simulation
****** The System ***********************************
spectrometer(MHz)  *
spinning_freq(kHz) *
channels           C13
nuclei             C13
atomic_coords      *
cs_isotropic       *
csa_parameters     *
j_coupling         *
quadrupole         *
dip_switchboard    *
csa_switchboard    *
exchange_nuclei    *
bond_len_nuclei    *
bond_ang_nuclei    *
tors_ang_nuclei    *
groups_nuclei      *
******* Pulse Sequence ******************************
CHN 1
timing(usec)       500100000
power(kHz)         0.0001
phase(deg)         90
freq_offs(kHz)     0
CHN G
timing(usec)       [100000]5001
gradient(Gs/cm)    [0]5001
******* Variables ***********************************************
T1SQ_1_1=2000
T2SQ_1_1=2000
grad_offs=1
freq=colmatrix("-0.025:1e-5:0.025")
grad_1=freq/1.0708
******* Options **********
rho0               0.25*I1z
observables        I1p
EulerAngles        *
n_gamma            *
line_broaden(Hz)   *
zerofill           *
FFT_dimensions     *
options            -oes -dt10000
 

Alternative version: frequency scan instead of the field scan

****** The System ***********************************
spectrometer(MHz)  *
spinning_freq(kHz) *
channels           C13
nuclei             C13
atomic_coords      *
cs_isotropic       *
csa_parameters     *
j_coupling         *
quadrupole         *
dip_switchboard    *
csa_switchboard    *
exchange_nuclei    *
bond_len_nuclei    *
bond_ang_nuclei    *
tors_ang_nuclei    *
groups_nuclei      *
******* Pulse Sequence ******************************
CHN 1
timing(usec)       [100000]5001   
power(kHz)         [0.0001]5001       
phase(deg)         [90]5001       
freq_offs(kHz)     [0]5001    
******* Variables ***********************************
T1SQ_1_1=2000
T2SQ_1_1=2000
freq_1_1=colmatrix("-0.025:1e-5:0.025")
******* Options *************************************
rho0               0.25*I1z
observables        I1p
EulerAngles        *
n_gamma            *
line_broaden(Hz)   *
zerofill           *
FFT_dimensions     *
options            -oes -dt10000