Crystal Structures of fac-tricarbonyl-chromium(0)and-molybdenum(0)

DOI: 10.1039/DT9800000447

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 447 - 453 (1980)

Update date:2022-08-02

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Authors:

Favas, Mark C.

Kepert, David L.

Skelton, Brian W

White, Allan H.

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Article abstract of DOI:10.1039/DT9800000447

The crystal structures of the title compounds, (CO)3> <(1), M=Cr and (2), M=Mo>, have been determined by single-crystal X-ray diffraction methods and refined to residuals of 0.055 and 0.071 for 3.653 and 4 345' observed' reflections respectively.Crystals of (1) are monoclinic, space group P2₁, with a=20.989(9), b=17.825(10), c=8.784(4) Angstroem, β=99.70(2) deg, and Z=4; those of (2) are monoclinic, space group P2₁/n, with a=15.181(7), b=18.799(4), c=12.053(4), β=106.62(3) deg, and Z=4.In both (1) and (2), the metal-central phosphorous distance is shorter <(1): 2.334(3), 2.328(4); (2): 2.479(2) Angstroem> than the metal-terminal phorous distances <(1): 2.355(4)-2.391(3); (2): 2.504(3), 2.532(3) Angstroem>.In (1) the mean Cr-C length is 1.84 Angstroem; in (2), the mean Mo-C-length is 1.97 Angstroem.

Full text of DOI:10.1039/DT9800000447

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