DQ-filtered COSY in ABX system

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**   2Q-filtered COSY in ABX system, hypercomplex detection   **
****** The System **********************************************
spectrometer(MHz)   500
spinning_freq(kHz)  *
channels            H1
nuclei              H1 H1 H1
atomic_coords       *
cs_isotropic        4.1 4.14 5.0 ppm
csa_parameters      *
j_coupling          1 3 3
j_coupling          2 3 9
j_coupling          1 2 -14
quadrupole          *
dip_switchboard     *
csa_switchboard     *
exchange_nuclei     *
bond_len_nuclei     *
bond_ang_nuclei     *
tors_ang_nuclei     *
groups_nuclei       *
******* Pulse Sequence *****************************************
CHN 1
timing(usec)        0.5 (1600)1024D1 0.5 (0.5) (1600)1024D2
power(kHz)          500   0          500  500    0
phase(deg)           0    0           0    0     0
freq_offs(kHz)       0    0           0    0     0
phase_cycling_cos  4444   *           *   2341   *  2143(RCV)
phase_cycling_sin  3333   *           *   2341   *  2143(RCV)
******* Variables **********************************************
ppm_center_1=4.56
fig_title="2Q-filtered COSY in ABX system"
******* Options ************************************************
rho0                F1z
observables         F1p
EulerAngles         *
n_gamma             *
line_broaden(Hz)    0 0 3 3
zerofill            *
FFT_dimensions      1 2 ppm
options             -re -py
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-- Accompanying pdf figure was obtained with the following options:
fig_options="--widths 0.25 --size 6.5,6.5"