190 (327) BRUKER BIOSPIN User Manual Version 002
Symmetry Based Recoupling
Data Acquisition 14.6
Parameter Value Comments
Pulse program pc7cp2dnoe Any sequence may be used, make sure to use the correct timing.
NUC1
13
C Nucleus on f1 channel.
O1P 100 ppm
13
C offset.
NUC2
1
H Nucleus on f2 channel.
O2P 2-3 ppm
1
H offset.
PL1 for > 50 kHz ν
RF
Power level for f1 channel CP and p1.
PL11 dep. on masr Power level for f1 channel recoupling power.
PL12 as specified Power level decoupling f2 channel and excitation.
PL13 ≈pl12, optimize, or
120, fast spinning
Power level decoupling f2 channel during cw or cwlg decoupling.
P3 Excitation pulse f2 channel.
PCPD2 Decoupler pulse length f2 channel (
1
H) TPPM.
P15 Contact pulse.
D1 Recycle delay.
CNST20 Spin nutation frequency at PL13 for cwlg decoupling.
L0 for 0.5-10msec
(„mix“ in ased)
Use multiples of 5,7, or 16 (spc5,pc7,sc14)for full phase cycle.
SPNAM0 Ramp for 1
st
CP step; e.g. ramp: 80 – 100%.
SP0 Power level for proton contact pulse.
CPDPRG2 SPINAL64 SPINAL64 decoupling.
CPDPRG1 cwlg To avoid HH contacts during DQ-generation, reconversion.
NS 4-32 Number of scans (see pulse program phase cycle).
F2 direct
13
C (left column)
TD 1024 or 2048 Number of complex points.
SW Sweep width direct dimension, adjust to experimental require-
ments.
F1 indirect
13
C (right column)
TD 128 - 512 Number of experiments in indirect dimension.
SW usually = sw (F2) Sweep width indirect dimension.
ND0 1 STATES-TPPI, not required in TS 2.1.
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