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A. Müller, R. Sessoli, E. Krickemeyer, H. Boegge, J. Meyer, D. Gatteschi, L. Pardi, J. Westphal, K. Hovemeier, R. Rohlfing, J. Doring, F. Hellweg, C. Beugholt, and M. Schmidtmann Inorg. Chem. 36 1997 5239
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Pardi, L.7
Westphal, J.8
Hovemeier, K.9
Rohlfing, R.10
Doring, J.11
Hellweg, F.12
Beugholt, C.13
Schmidtmann, M.14
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See the special edition: polyoxometalates C.L. Hill Chemical Reviews vol. 98 1998 1 390
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M.I. Khan, E. Yohannes, R.J. Doedens, S. Tabussum, S. Cevik, L. Manno, and D. Powell Cryst. Eng. 2 1999 171
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Yohannes, E.2
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Cevik, S.5
Manno, L.6
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M.I. Khan, T. Hope, S. Cevik, C. Zheng, and D. Powell J. Cluster Sci. 11 2000 433
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35
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M.I. Khan, S. Tabussum, R. Doedens, V. Golub, and C. O'Connor Inorg. Chem. Commun. 7 2003 54
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37
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6344264205
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note
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A 10 mg of the sample of 1 was taken in a 70 μl alumina pan and heated from 25 to 500°C at a rate of 5°C/min in nitrogen atmosphere with a flow rate of 60-90 ml/min. A 10.02 mg sample of 2 was taken in a 70 μl alumina pan and heated in a nitrogen atmosphere from 25 to 500°C under a flow rate of 60-90 ml/min.
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38
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6344262590
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note
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Typically a 20.6 mg of sample was dissolved in a 1 M sulfuric acid and titrated with a permanganate solution that had been standardized with sodium oxalate solution.
-
-
-
-
40
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6344266102
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note
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2=1.135.
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-
-
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41
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0003560660
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Siemens Analytical X-ray Systems, Madison, WI
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SMART, version 4.210; Siemens Analytical X-ray Systems, Madison, WI, 1997.
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(1997)
SMART, Version 4.210
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-
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42
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0003933522
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Siemens Analytical X-ray Systems, Madison, WI
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SAINT, version 4.050; Siemens Analytical X-ray Systems, Madison, WI, 1995.
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(1995)
SAINT, Version 4.050
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-
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43
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0004150157
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Siemens Industrial Automation, Inc Madison, WI
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G.M. Sheldrick SHELXTL, version 5.03 1995 Siemens Industrial Automation, Inc Madison, WI
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(1995)
SHELXTL, Version 5.03
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Sheldrick, G.M.1
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44
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0004283944
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University of Gottingen Gottingen, Germany
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G.M. Sheldrick SADABS 1997 University of Gottingen Gottingen, Germany
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(1997)
SADABS
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Sheldrick, G.M.1
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45
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84862450694
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6] (2) are available on request from the Fachinformationszentrum (FIZ), Karlsruhe, Germany (http://icsd.fiz-karlsruhe.de) by providing CSD numbers for the compounds (CSD number 414007 and 414008, respectively).
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-
-
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46
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6344292804
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note
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2O (1.87 mmol) was added with continuous stirring. The resulting red solution was treated with an aqueous solution (1.8 ml) of 4-aminopyridine (3.4 mmol) to give a reddish black color solution. After refluxing this solution for 48 h it was allowed to stay at room temperature for two days. The dark red crystals were filtered from the orange mother liquor, thoroughly washed with hot water, and dried in air at room temperature to yield ∼118 mg (∼64.48% based on vanadium) of 1.
-
-
-
-
47
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6344242175
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note
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2O (1.87 mmol) was added with continuous stirring to give a light green solution. The green solution was treated with an aqueous solution (1.8 ml) of 4-aminopyridine (3.4 mmol), which resulted into the formation of a green precipitate. The reaction mixture was transferred to a 23 ml Teflon-lined Parr autoclave and heated at 145°C for 4 days. The autoclave was then slowly cooled to room temperature for one day. The light green crystals, which were mixed with yellowish green and orange impurities, were filtered from the light green mother liquor and dried in air at room temperature. The light green crystals of 2 were separated from the impurity to yield ∼69.9 mg (∼38.23% based on vanadium) of pure material.
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48
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0037429192
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M.J. Goldcamp, S.E. Edison, L.N. Squires, D.T. Rosa, N.K. Vowels, N.L. Coker, J.A. Krause Bauer, and M.J. Baldwin Inorg. Chem. 42 3 2003 717
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Inorg. Chem.
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, Issue.3
, pp. 717
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Goldcamp, M.J.1
Edison, S.E.2
Squires, L.N.3
Rosa, D.T.4
Vowels, N.K.5
Coker, N.L.6
Krause Bauer, J.A.7
Baldwin, M.J.8
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