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Carlin, R. T. Ph.D. Thesis, Iowa State University, 1982.
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Carlin, R.T.1
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84889197321
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Ph.D. Thesis, Stanford University
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2OEP derivatives. See: Godwin, H. A. Ph.D. Thesis, Stanford University, 1994.
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Godwin, H.A.1
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0023604905
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(d) Crossley, M. J.; King, L. G.; Pyke, S. M. Tetrahedron 1987, 43, 4569.
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(a) Chen, J. D.; Cotton, F. A.; Falvello, L. R. J. Am. Chem. Soc. 1990, 112, 1076.
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(c) Cotton, F. A.; Eglin, J. L.; James, C. A. Inorg. Chem. 1993, 32, 681.
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23
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84889234363
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note
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3], where r is the distance of the test nucleus to the source of anisotropy and θ is the angle between the r vector and the source axis.
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-
-
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24
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0000317847
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A significant shielding of the methylene protons in the ethyl groups adjacent to the tolyl substituent is observed (δ 3.00 and 2.83 vs 4.6-3.8 ppm for 2, Table 1), analogous to shifts in [10]paracyclophane: Agarwal, A.; Barnes, J. A.; Fletcher, J. L.; McGlinchey, M. J.; Sayer, B. G. Can. J. Chem. 1977, 55, 2575.
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Agarwal, A.1
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Sayer, B.G.5
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25
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2642628181
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A more complete description of the NOESY pulse sequence is available: States, D. J.; Haberkorn, R. A.; Ruben, D. J. J. Magn. Reson. 1982, 48, 286.
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States, D.J.1
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Ruben, D.J.3
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26
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84889172830
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-
note
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The complete NOESY/EXCHSY spectrum is available as Supporting Information.
-
-
-
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27
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84889187940
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note
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cis protons.
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-
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28
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0004237369
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-
Academic Press: New York
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meso-Proton deshielding due to the ring current of an aryl substituent as a function of the angle of rotation about the metal-metal bond was calculated with the Waugh-Fessenden classical model of ring current magnetic anisotropy as developed by Johnson-Bovey: Bovey, F. A. Nuclear Magnetic Resonance; Academic Press: New York, 1988; p 108.
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Nuclear Magnetic Resonance
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Bovey, F.A.1
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29
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0001256335
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King, R. B., Ed., Wiley: England
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Faller, J. In Encyclopedia of Inorganic Chemistry; King, R. B., Ed., Wiley: England, 1994; pp 3914-3933.
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Encyclopedia of Inorganic Chemistry
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Faller, J.1
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30
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84889217309
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-
note
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2, were obtained at each temperature from the line widths in [(OEP)-MoW(OEP)], which undergoes the same dynamic exchange but between sites which are magnetically equivalent.
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31
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0004065524
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Academic Press: New York
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B the Boltzmann constant, and h Planck's constant. See: Sandstrom, J. Dynamic NMR Spectroscopy; Academic Press: New York, 1982.
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Dynamic NMR Spectroscopy
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Sandstrom, J.1
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33
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0024818387
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(b) Tait, C. D.; Garner, J. M.; Collman, J. P.; Sattelberger, A. P.; Woodruff, W. H. J. Am. Chem. Soc. 1989, 111, 9072-9077.
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Tait, C.D.1
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Woodruff, W.H.5
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34
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84889174031
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-
note
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MM in the dimers were absent from the monomer spectra.
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-
-
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35
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84889189166
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note
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-1).
-
-
-
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37
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84889231190
-
-
note
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2, probably due to its very poor solubility, so a third comparison is not available.
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38
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0021439112
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Collman, J. P.; Barnes, C. E.; Swepston, P. N.; Ibers, J. A. J. Am. Chem. Soc. 1984, 106, 3500-3510.
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39
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0001098625
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Kitigawa, T.; Abe, M.; Ogoshi, H. J. Chem. Phys. 1978, 69, 4516-4525.
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40
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0348042323
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Tait, C.Drew; Garner, J. M.; Collman, J. P.; Sattelberger, A. P.; Woodruff, W. H. J. Am. Chem. Soc. 1989, 111, 7806-7811.
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41
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0001098626
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Abe, M.; Kitagawa, T.; Kyogoku, Y. J. Chem. Phys. 1978, 69, 4526-4534.
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42
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0007901789
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Simic-Glavaski, B.; Tanaka, A. A.; Kenney, M. E.; Yeager, E. J. Electroanal. Chem. 1987, 229, 285-296.
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43
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0001532105
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Cotton, F. A.; Eglin, B. H.; James, C. A. Inorg. Chem. 1993, 32, 2104-2106.
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Cotton, F.A.1
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James, C.A.3
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44
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33845555784
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Cotton, F. A.; Extine; M. W.; Felthouse, T. R.; Kolthammer, B. W. S.; Lay, D. G. J. Am. Chem. Soc. 1981, 103, 4040-4045.
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Cotton, F.A.1
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Lay, D.G.5
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45
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0000405178
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Hopkins, M. D.; Gray, H. B.; Miskowski, V. M. Polyhedron 1987, 6, 705-714.
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Hopkins, M.D.1
Gray, H.B.2
Miskowski, V.M.3
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48
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0011775339
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Hopkins, M. D.; Schaefer, W. P.; Bronikowski, M. J.; Woodruff, W. H.; Miskowski, V. M.; Dallinger, R. F.; Gray, H. B. J. Am. Chem. Soc. 1987, 109, 408-416.
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Hopkins, M.D.1
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Miskowski, V.M.5
Dallinger, R.F.6
Gray, H.B.7
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50
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84889186966
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-
note
-
The steric component of the barrier must be less than the difference in measured barriers of OEP-X derivatives. These barriers are conveniently tabulated in ref 41.
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-
-
-
51
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37049086545
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2, the Mo-Mo separation is 2.24 Å: Yang, C.-H.; Dzugan, S.; Goedken, V. L. J. Chem. Soc., Chem. Commun. 1986, 1313-1315.
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Yang, C.-H.1
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Goedken, V.L.3
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52
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0040949271
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2, the W-W separation is 2.33 Å: Kim, J. C.; Goedken, V. L.; Lee, B. M. Polyhedron 1996, 15, 57-62.
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Kim, J.C.1
Goedken, V.L.2
Lee, B.M.3
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53
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84889220082
-
-
note
-
Estimates indicate that the δ-bond contributes only about 10% of the overall bond strength; therefore, trends in the quadruple bond force constants will be primarily indicative of changes in the σ and π-bond strengths.
-
-
-
-
54
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33845555784
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Cotton, F. A.; Extine, M. W.; Felthouse, T. R.; Kolthammer, B. W.; Lay, D. G. J. Am. Chem. Soc. 1981, 103, 4040.
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Cotton, F.A.1
Extine, M.W.2
Felthouse, T.R.3
Kolthammer, B.W.4
Lay, D.G.5
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