BIP 13C-HSQC (xm gsHSQC Carbon.c)

This page is a part of the user-editable NMR Wiki pulse sequence database.

Disclaimer: You are solely responsible for correct use of these materials on your instrument.

Basic facts about xm_gsHSQC_Carbon

Synopsis: high sensitivity ¹³C HSQC using broadband inversion pulses

Family: 2D HSQC

Code authors:

Xi Meng

Copyright: A.J. Shaka, lab webpage, University of California Irvine, Dept. of Chemistry

Console: Varian, Unity+, 500 MHz

Download: sample data, BIP-1091-11-20.RF,BIP-818-55-15.RF

Download the xm_gsHSQC_Carbon.c file, the BIP-1091-11-20.RF and BIP-818-55-15.RF files in your vnmrsys/shapelib directory and the example data.

Compile the xm_gsHSQC_Carbon.c sequence.

Adjust tof and dof at the center of the spectral width in both dimensions.

Parameters (sample data contains the parameter file as well)

name	meaning
pwC	duration of high power ¹³C 90^o, μs
pwCBIP	duration of ¹³C BIP pulse, μs
shp_CBIP	name of ¹³C BIP shaped pulse
shp_HBIP	name of ¹H BIP shaped pulse
cpwr	power for all ¹³C pulses
npwr	power for ¹⁵N decoupling
tCH	1/(4*J_CH)
gstab	gradient recovery delay
gdelay	delay after coherence selection gradients
gzlvl0
gt0
gzlvl1
gt1
gzlvl2
gt2
gzlvl3
gt3
gzlvl4
gt4
gzlvl5
gt5
gzlvl6
gt6
gzlvl7
gt7
gzlvl8
gt8

tpwrs, shp, pws - unused parameters