The structure of a molecular nitrogen compound of cobalt and evidence for CoH(N2)(PPh3)3

John H. Enemark; Betty R. Davis; J. A. Mcginnety; James A. Ibers

doi:10.1039/C19680000096

The structure of a molecular nitrogen compound of cobalt and evidence for CoH(N₂)(PPh₃)₃

John H. Enemark, Betty R. Davis, J. A. Mcginnety, James A. Ibers

Chemistry

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Original language	English (US)
Pages (from-to)	96-97
Number of pages	2
Journal	Chemical Communications (London)
Issue number	2
DOIs	https://doi.org/10.1039/C19680000096
State	Published - 1968

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Chemistry(all)

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@article{0811beb29ced4f9a815fe4007cb61690,

title = "The structure of a molecular nitrogen compound of cobalt and evidence for CoH(N2)(PPh3)3",

author = "Enemark, {John H.} and Davis, {Betty R.} and Mcginnety, {J. A.} and Ibers, {James A.}",

note = "Funding Information: The only two infrared peaks observed by us between 1700 and 2200 cm.-l are those a t 2085 and 2105cm.-l noted above. It may be that these correspond to the Co-H and N-N stretching frequencies, and that previous workers failed to resolve these two peaks. Although several metal- hydrogen stretching frequencies have been observed in the 2100cm.-l region, this is about 100-200 cm.-l higher than Co-H stretching fre- quencies in various carbonyl and phosphine complexes. Yet it seems possible that the Co-H stretching frequency could be higher when H is tvans to N,, rather than to CO. \Ye are continuing our attempts t o prepare another crystal suitable for diffraction study. IT'ith counter data from a suitable crystal it should be possible to furnish unambiguous evidence concerning the presence of a Co-H bond. It'e thank Professor J. Chatt for his interest and assistance and the U.S. National Science Founda- tion for their financial support. (Received, December 6th, 1967 ; Cow. 1304.) 1 A. Yamamoto, S. Kitazume, L. S. Pu, and S. Ikeda, Chenz. Conznz., 2967, 79. ,4. Misono, Y . Uchida, T. Saito, and I<. &I. Song, Chem. Conznz., 1967, 419; A. Misono, Y. Uchida, and T. Saito, A. Sacco and M. Rossi, Chem. Conzm., 1967, 316. F. Bottomley and S. C. Nyburg, Chenz. Cotnnz., 1966, 897. S . J . La Placa and J. A. Ibers, Acta Cvyst., 1065, 18, 511. S. J . La Placa and J. A. Ibers, Iizorg. Chem., 1965, 4, 775. Bull. Chem. Soc. Japan, 1967, 40, 700. Copyright: Copyright 2007 Elsevier B.V., All rights reserved.",

year = "1968",

doi = "10.1039/C19680000096",

language = "English (US)",

pages = "96--97",

journal = "Chemical Communications (London)",

issn = "0009-241X",

number = "2",

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T1 - The structure of a molecular nitrogen compound of cobalt and evidence for CoH(N2)(PPh3)3

AU - Enemark, John H.

AU - Davis, Betty R.

AU - Mcginnety, J. A.

AU - Ibers, James A.

N1 - Funding Information: The only two infrared peaks observed by us between 1700 and 2200 cm.-l are those a t 2085 and 2105cm.-l noted above. It may be that these correspond to the Co-H and N-N stretching frequencies, and that previous workers failed to resolve these two peaks. Although several metal- hydrogen stretching frequencies have been observed in the 2100cm.-l region, this is about 100-200 cm.-l higher than Co-H stretching fre- quencies in various carbonyl and phosphine complexes. Yet it seems possible that the Co-H stretching frequency could be higher when H is tvans to N,, rather than to CO. \Ye are continuing our attempts t o prepare another crystal suitable for diffraction study. IT'ith counter data from a suitable crystal it should be possible to furnish unambiguous evidence concerning the presence of a Co-H bond. It'e thank Professor J. Chatt for his interest and assistance and the U.S. National Science Founda- tion for their financial support. (Received, December 6th, 1967 ; Cow. 1304.) 1 A. Yamamoto, S. Kitazume, L. S. Pu, and S. Ikeda, Chenz. Conznz., 2967, 79. ,4. Misono, Y . Uchida, T. Saito, and I<. &I. Song, Chem. Conznz., 1967, 419; A. Misono, Y. Uchida, and T. Saito, A. Sacco and M. Rossi, Chem. Conzm., 1967, 316. F. Bottomley and S. C. Nyburg, Chenz. Cotnnz., 1966, 897. S . J . La Placa and J. A. Ibers, Acta Cvyst., 1065, 18, 511. S. J . La Placa and J. A. Ibers, Iizorg. Chem., 1965, 4, 775. Bull. Chem. Soc. Japan, 1967, 40, 700. Copyright: Copyright 2007 Elsevier B.V., All rights reserved.

PY - 1968

Y1 - 1968

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JO - Chemical Communications (London)

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ER -

The structure of a molecular nitrogen compound of cobalt and evidence for CoH(N2)(PPh3)3

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The structure of a molecular nitrogen compound of cobalt and evidence for CoH(N₂)(PPh₃)₃