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12
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0034603005
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Alternatives to ubiquitous cyclopentadienyl systems have been pursued fervently in lanthanide chemistry. Amides have become the most successful of these alternatives owing to their ease of derivatisation and commensurate charge characteristics when associated with electropositive metals. For a review of this area see:
-
Alternatives to ubiquitous cyclopentadienyl systems have been pursued fervently in lanthanide chemistry. Amides have become the most successful of these alternatives owing to their ease of derivatisation and commensurate charge characteristics when associated with electropositive metals. For a review of this area see: R. Kempe Angew. Chem., Int. Ed. Engl. 39 2000 468
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(2000)
Angew. Chem., Int. Ed. Engl.
, vol.39
, pp. 468
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Kempe, R.1
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21
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4444340771
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unpublished material
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R.T. Boeré, M.L. Cole, P.C. Junk, E.G. Robertson, M.K. Smith, unpublished material
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Boeré, R.T.1
Cole, M.L.2
Junk, P.C.3
Robertson, E.G.4
Smith, M.K.5
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22
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4444372004
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In isolation, FTIR data for lithium complexes 1-6 suggest there may be a correlation between the binding mode adopted, beit bridging or chelating, and the wavenumber of the C=N stretch. However, upon analysis of analogous absorptions for complexes 7-12 (vide infra), and consideration of the mixed tautomerisation of compounds 2 and 8, no definitive relationship between this stretch and the binding mode, or the placement of the aromatic groups to the NCN backbone, could be established
-
In isolation, FTIR data for lithium complexes 1-6 suggest there may be a correlation between the binding mode adopted, beit bridging or chelating, and the wavenumber of the C=N stretch. However, upon analysis of analogous absorptions for complexes 7-12 (vide infra), and consideration of the mixed tautomerisation of compounds 2 and 8, no definitive relationship between this stretch and the binding mode, or the placement of the aromatic groups to the NCN backbone, could be established.
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24
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0001372071
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Solvent dependency was originally put forward as a key reason for the notable absence of structurally authenticated alkali metal amidinate species, see
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Solvent dependency was originally put forward as a key reason for the notable absence of structurally authenticated alkali metal amidinate species, see: F.A. Cotton S.C. Haefner J.H. Matonic X.P. Wang C.A. Murillo Polyhedron 16 1997 541
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(1997)
Polyhedron
, vol.16
, pp. 541
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Cotton, F.A.1
Haefner, S.C.2
Matonic, J.H.3
Wang, X.P.4
Murillo, C.A.5
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25
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4444368648
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(CCSD version 1.5, November) contains 39 examples where tetrahydrofuran bridges two or more metal centres
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The Cambridge Crystallographic Structural Database (CCSD version 1.5, November 2002) contains 39 examples where tetrahydrofuran bridges two or more metal centres
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(2002)
The Cambridge Crystallographic Structural Database
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26
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4444249732
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From a survey of the Cambridge Crystallographic Structural Database (CCSD version 1.5, November)
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From a survey of the Cambridge Crystallographic Structural Database (CCSD version 1.5, November 2002)
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(2002)
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27
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0001394060
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For example see references [27-31]
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For example see references [27-31] : M. Niemeyer P.P. Power Inorg. Chem. 35 1996 7264
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(1996)
Inorg. Chem.
, vol.35
, pp. 7264
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Niemeyer, M.1
Power, P.P.2
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32
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0036266323
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From a survey of the Cambridge Crystallographic Structural Database (CCSD version 1.5, November 2002) there are 42 identified examples of this structure type. For "chair" example see
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From a survey of the Cambridge Crystallographic Structural Database (CCSD version 1.5, November 2002) there are 42 identified examples of this structure type. For "chair" example see; A.D. Bond F. Garcia K. Jantos G.T. Lawson M. McPartlin D.S. Wright Chem. Commun. 2002 1276
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(2002)
Chem. Commun.
, pp. 1276
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Bond, A.D.1
Garcia, F.2
Jantos, K.3
Lawson, G.T.4
McPartlin, M.5
Wright, D.S.6
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35
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33748570495
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J. Barker D. Barr N.D.R. Barnett W. Clegg I. Cragg-Hine M.G. Davidson R.P. Davies S.M. Hodgson J.A.K. Howard M. Kilner C.W. Lehmann I. Lopez-Solera R.E. Mulvey P.R. Raithby R. Snaith J. Chem. Soc., Dalton Trans. 1997 951
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(1997)
J. Chem. Soc., Dalton Trans.
, pp. 951
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Barker, J.1
Barr, D.2
Barnett, N.D.R.3
Clegg, W.4
Cragg-Hine, I.5
Davidson, M.G.6
Davies, R.P.7
Hodgson, S.M.8
Howard, J.A.K.9
Kilner, M.10
Lehmann, C.W.11
Lopez-Solera, I.12
Mulvey, R.E.13
Raithby, P.R.14
Snaith, R.15
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46
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0004185591
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Weinheim, Germany: VCH. Radii given those of six-coordinate alkali metals
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Radii given those of six-coordinate alkali metals: E. Fluck K.G. Heumann Periodic Table of the Elements 1991 VCH Weinheim, Germany
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(1991)
Periodic Table of the Elements
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Fluck, E.1
Heumann, K.G.2
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56
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0031059866
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C.W. Cater, R.M. Sweet (Eds.) Academic Press
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Z. Otwinowski, W. Minor, in: C.W. Cater, R.M. Sweet (Eds.), Processing of X-ray Diffraction Data Collected in Oscillation Mode, Methods in Enzymology, 276: Macromolecular Crystallography, Part A, vol. 307, 1997, Academic Press
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(1997)
Processing of X-ray Diffraction Data Collected in Oscillation Mode, Methods in Enzymology 276: Macromolecular Crystallography
, vol.307
, Issue.PART A
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Otwinowski, Z.1
Minor, W.2
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57
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SHELXL-97 Germany: University of Göttingen
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G.M. Sheldrick SHELXL -97 1997 University of Göttingen Germany
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(1997)
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Sheldrick, G.M.1
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58
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4444294433
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SHELXS-97 Germany: University of Göttingen
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G.M. Sheldrick SHELXS -97 1997 University of Göttingen Germany
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(1997)
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Sheldrick, G.M.1
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