Isostructural molecular amino- and oxoaminoalumosilicates

Organometallics

Volumn 16, Issue 15, 1997, Pages 3243-3245

  Wessel, Helge ^a   Rennekamp, Carsten ^a   Waezsada, Said D ^a   Roesky, Herbert W ^a   Montero, Mavis L ^a   Usón, Isabel ^a  

^a UNIVERSITY OF GÖTTINGEN   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 5844389690     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om970273b     Document Type: Article

References (21)

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5. (b) Montero, M. L.; Usón, I.; Roesky, H. W. Angew. Chem. 1994, 106, 2198; Angew. Chem., Int. Ed. Engl. 1994, 33, 1352.
6. (b) Montero, M. L.; Usón, I.; Roesky, H. W. Angew. Chem. 1994, 106, 2198; Angew. Chem., Int. Ed. Engl. 1994, 33, 1352.
7. (c) Montero, M. L.; Voigt, A.; Teichert, M.; Usón, I.; Roesky, H. W. Angew. Chem. 1995, 107, 2761; Angew. Chem., Int. Ed. Engl. 1995, 34, 2504.
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9. (d) Chandresekhar, V.; Murugavel, R.; Voigt, A.; Roesky, H. W.; Schmidt, H.-G.; Noltemeyer, M. Organometallics 1996, 15, 918.
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12. (f) Herrmann, W. A.; Anwander, R.; Dufaud, V.; Scherer, W. Angew. Chem. 1994, 106, 1338; Angew. Chem., Int. Ed. Engl. 1994, 33, 1241.
13. Rennekamp, C.; Gouzyr, A.; Klemp, A.; Roesky, H. W.; Brönneke, C.; Kärcher, J.; Herbst-Irmer, R. Angew. Chem. 1997, 109, 413; Angew. Chem., Int. Ed. Engl. 1997, 36, 404.
14. Rennekamp, C.; Gouzyr, A.; Klemp, A.; Roesky, H. W.; Brönneke, C.; Kärcher, J.; Herbst-Irmer, R. Angew. Chem. 1997, 109, 413; Angew. Chem., Int. Ed. Engl. 1997, 36, 404.
15. 1 group in 5 is disordered by torsion around the Si(1)-N(7) bond. It was refined according to a discrete disorder model between two sites. The occupancy factors were refined and eventually fixed at the convergence values: 0.56 and 0.44. The model was refined with the help of similarity restraints for 1-2 and 1-3 distances, ADP, rigid bond, and planarity restraints. Nevertheless, the maximum residual electron density in this area is still 0.61. The heavy disorder in a substantial part of the structure is responsible for the rather high values of the crystallographic figures of merit.
16. Kottke, T.; Stalke, D. J. Appl. Crystallogr. 1993, 26, 615.
17. Sheldrick, G. M. SHELXS-90/96, program for structure solution. Acta Crystallogr., Sect. A 1990, 46, 467.
18. Sheldrick, G. M. SHELXS-93/96, program for crystal structure refinement; Universität Göttingen: Göttingen, Germany, 1993.
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20. 2: C, 67.52; H, 9.47; N, 9.67. Found: C, 66.8; H, 9.4; N, 9.3.
21. 1H NMR spectra, see: Waezsada, S.-D.; Liu, F.-Q.; Murphy, E. F.; Roesky, H. W.; Teichert, M.; Usón, I.; Schmidt, H.-G.; Albers, T.; Parisini, E.; Noltemeyer, M. Organometallics 1997, 16, 1260.