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. Author manuscript; available in PMC: 2013 Nov 21.
Published in final edited form as: Dalton Trans. 2012 Nov 21;41(43):13324–13329. doi: 10.1039/c2dt31895d

Table 1.

IR data for complexes of type [(dxpe)Ni(pdt)XFe(CO)2L]BF4 in CH2Cl2 solution.

Species dxpe X L νCO/cm−1 Ered
[1I]BF4 dppe I CO 2097, 2055, 2026 −0.99 (irrev.)
[1Br]BF4 dppe Br CO 2106, 2065, 2028
[1Cl]BF4 dppe Cl CO 2111, 2072, 2031 −1.00 (irrev.)
[1aI]BF4 dppe I PPh3 2031, 1978
[1bI]BF4 dppe I PCy3 2024, 1965 −1.43 (irrev.)
[1aCl]BF4 dppe Cl PPh3 2042, 1981 −1.34 (irrev.)
[1bCl]BF4 dppe Cl Pcy3 2033, 2068 −1.44 (irrev.)
[2I]BF4 dcpe I CO 2096, 2054, 2023 −0.86 (ipc/ipa = 1.87)