601: 5mm QXI-XYZ, #8375-0023

In principle: Do NOT trust these values blindly - verify them if questionable!

Amplifiers can go bad or your sample environment like salt, temperature, ... might alter the pulse width!

1. General Information:

  • Shimfile: 8375-023ws.shim is a good starting point for aqueous samples

2. Hard Pulses:

Nucleus Type Attenuation Channel 90deg Pulse Amplifier Calc. Date
1H -5.0 dB f1 11.5 us 100W 04/17/2006
waltz16 f1 70.0 us 100W
TOCSY f1 25-35.0 us 100W
ROESY f1 100.0 us 100W
.
13C hard -5.60 dB f2 16.0 us 300W 04/17/2006
AcGly TOCSY -2.70 dB f2 25.0 us 300W dB 04/17/2006
TOCSY -0.85 dB f2 32.0 us 300W dB 04/17/2006
Dec +3.60 dB f2 54.0 us 300W dB 04/17/2006
LowDec 1 +7.1 dB f2 80.0 us 300W dB 04/17/2006
LowDec 2 + 13.0 dB f2 160.0 us 300W dB 04/17/2006
.
15N hard -5.25 dB f3 45.0 us 300W 04/17/2006
urea +4.30 dB f3 200.0 us 300W dB 04/17/2006
+6.45 dB f3 250.0 us 300W dB 04/17/2006
.
2H 0 dB 2HTX 135 us 20W 04/17/2006
urea +9.7 dB 2HTX 300 us 20W 04/17/2006

3. Soft Pulses:

Nucleus Type Channel Pulse Attenuation Amplifier Calc. Date
13C Q5 409us f2 90 deg -3.45 dB300W 04/17/2006
AcGly Q5tr 409us f2 90 deg -3.65dB300W 04/17/2006
Q5 640us f2 90 deg 0.00dB300W 04/17/2006
Q3 256us f2 180 deg -4.75dB300W 04/17/2006
Q3 768us f2 180 deg 4.55dB300W 04/17/2006
Sinc1 160us f2 90 deg 8.70dB300W 04/17/2006
Sinc1 160us f2 180 deg 2.6dB300W 04/17/2006
1H sinc1.1000 1.2ms f1 180 deg dB100W

4. Miscellaneous:

Magic angle on GREAT III: factor Z/XY = ()
Offset Ca - carbonyl (56 - 175ppm): -18109Hz
1H offset @ 4.7 pppm: 2820 Hz
Main Field: 600.13 MHz
BSMS Field: -1725 units (04/17/2006)

5. Conditions for pulse determination:

  • Sample:
    1H-pulses: 2mM Sucrose + 0.5mM DSS + 2mM NaN3, 90% H2O 10% D2O
    X-pulses: 13C, 15N labled Urea in DMSO
    13C-shift: 48.5ppm, J=138.5Hz
    15N-shift: 76.0ppm, J=88.5Hz
    or:
    13C: NaAc in D2O: 13C-shift: 21.0ppm, J=128.0Hz

  • Temperature: 298K
  • RF-Filters:
    1H = none
      X = Highpass 600MHz 13C-Pass; 2H-Stop
      Y = Lowpass 600MHz 15N-pass; Bandstop 2H-Stop
      Z = none
  • Attenuators at amplifier input: none
    1H = 0dB      Serial #: W1301845 / 0344
      X = 1dB      Serial #: W1345043 / 0052
      Y = 2dB      Serial #: W1345043 / 0051
      Z = 1dB      Serial #: W1345043 / 0050