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Hydrogen-bonded Adducts of Ferrocene-1,1'-diylbis(diphenylmethanol): Crystal and Molecular Structures of Adducts with Methanol (1:1) and Pyridine (1:2)

DOI: 10.1039/DT9930003499

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3499 - 3506 (1993)

Update date:2022-08-17

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Authors:

Ferguson, GeorgeFerguson, George

Gallagher, John F.Gallagher, John F.

Glidewell, ChristopherGlidewell, Christopher

Zakaria, Choudhury M.Zakaria, Choudhury M.

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Article abstract of DOI:10.1039/DT9930003499

Ferrocene-1,1'-diylbis(diphenylmethanol), , forms hydrogen-bonded host-guest adducts with a wide range of hydrogen-bond donors and acceptors.Adducts with a diol:guest ratio of 1:1 were formed by MeOH, EtOH, Me2SO, Me2NCHO, piperazine, and 4,4'-bipyridyl and 1:2 adducts by Me2SO, dioxane, pyridine and piperidine.The 1:1 adduct with MeOH has been shown to be triclinic, space group P<*> with a = 8.7624(3), b = 12.2797(6), c = 14.8773(8) Angstroem, α = 106.572(4), β = 97.879(4), γ = 100.873(4) deg with a final R of 0.044 for 4982 observed reflections.The structure consists of a centrosymmetric assembly of two molecules of diol and two molecules of the guest MeOH, hydrogen bonded together to form a chair conformation (OH)6 ring.The 1:2 adduct with pyridine has been shown to be monoclinic, space group C2/c with a = 16.6252(10), b = 11.1016(9), c = 20.9440(16) Angstroem, β = 107.855(6) deg with a final R of 0.042 for 3260 observed reflections.In the structure the diol lies on a two-fold rotation axis with its hydroxyl hydrogens disordered and participating in both intramolecular O-H...O and intermolecular O-H...N hydrogen bonding with the two pyridine guest molecules.

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Product name:ferrocene-1,1' diylbis(diphenylmethanol)

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