Reading Varian data

The present version of Pronto is not capable of reading Varian data correctly. This problem has been solved (for 2D spectra) by making two programs available from this site that converts VNMR phasefiles into MNMR format.

The programs are named IOmvread, SOmvread, and LOmvread for SGI, SunOS, and Solaris, respectively.

Executing the following statement on an SGI:

IOmvread cosy 1 1 nmr5 mk /i500/mk/vnmrsys/exp4

will read the file:

/i500/mk/vnmrsys/exp4/datdir/phasefile

/nmr5/nmr/mk/data/cosy

This file can be read by Pronto as explained in the manual.

Note: Before performing this conversion, remember to make a full display of the spectrum inside VNMR, and issue the command flush to empty the internal buffers of VNMR.

Sometimes the program cannot determine the frequencies of the axes correctly. In this case it is necessary to modify the parameters of the MNMR file generated. This can be done using the corresponding IOmpar program.

The statement:

IOmpar cosy 1 1 nmr5 mk

will list all the parameters of the file.

To change a parameter, e.g. the spectrometer frequency in the slow dimension to 125.17 MHz, write:

IOmpar cosy 1 1 nmr5 mk SPEC_FREQ 1 125.17

To download gzip'ed versions of the programs, select them from the table below:

Last updated: 08-Aug-2002