Triethylammonium O-3β-cholest-5-en-3-yl (4-methoxyphenyl) dithiophosphonate

Hendriette Van Der Walt, Alfred Muller, Werner E. Van Zyl

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


In the crystal structure of the title compound, C6H 16N+·C34H52O 2PS2- or [(CH3CH2) 3NH]+·[C34H52O 2PS2]-, the cation and anion are paired via weak, inter-molecular, bifurcated N - H⋯(S,S) hydrogen bonds. The cholesteryl units form an alternating (herringbone) motif as well as an infinitely stacked layered structure along the b axis. The P - S bond lengths [1.975 (2) and 1.981 (2) Å compared with ca 1.92 Å for a formal P=S double bond and with ca 2.01 Å for a P - S single bond] suggest delocalization of the negative charge between the P - S bonds. A distorted tetra-hedral geometry around the P atom is revealed by non-ideal O - P - C and S - P - S bond angles of 96.7 (2) and 115.52 (11)°, respectively.

Original languageEnglish
Pages (from-to)o2146-o2147
JournalActa Crystallographica Section E: Structure Reports Online
Issue number8
Publication statusPublished - Aug 2010

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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