Abstract
The title compound crystallizes in the monoclinic space groupP21/a witha=13.092(2) Å,b=15.853(2) Å,c=15.406(3) Å,β=103.00(1)°,V=3116(1) Å3, andD calc=1.237 g cm−3 forZ=4. The structure was solved by direct methods, and refined to a finalR value of 0.057. The phosphetane ligands adopt a nonlinear trans relationship. The four-membered rings are non-planar and have different flap angles of 6.1 and 20.3°. Virtual coupling is evident in the13C NMR spectrum of the title compound. Comparison of the13C NMR spectral data of this molecule with the parent phosphine ligand, the ligand oxide, and the mono-phosphine iron complex is provided.
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Bennett, D.W., Grubisha, D.S., Cremer, S.E. et al. Crystal and molecular structure of trans-(tricarbonyl)bis(trans-2,2,3,4,4-pentamethyl-1-phenylphosphetane)iron. Journal of Crystallographic and Spectroscopic Research 22, 83–90 (1992). https://doi.org/10.1007/BF01161368
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DOI: https://doi.org/10.1007/BF01161368