MQMAS Experiments for quadrupolar nuclei: 3Q MAS pulse program for half integer spin nuclei (mp3q.av) 3Q MAS pulse program for odd half integer spin nuclei (mp3qdfs.av) 3Q MAS pulse program for odd half integer spin nuclei. 4-pulse experiment with z-filter(mp3qdfsz.av) 3Q MAS pulse program for 3/2 nuclei (mp3qfam.av) 3Q MAS pulse program for 3/2 nuclei. 4-pulse experiment with z-filter (mp3qfamz.av) 3Q MAS pulse program for half integer spin nuclei. 4-pulse experiment with z-filter (mp3qzfil.av) 3Q MAS pulse program for half integer spin nuclei and with zero quantum filter (mp3qzqf.av)