Download e-book for iPad: B Boron Compounds: Boron and Noble Gases, Hydrogen by Lawrence Barton, Thomas Onak, Jürgen Faust, Kurt Niedenzu,

By Lawrence Barton, Thomas Onak, Jürgen Faust, Kurt Niedenzu, R. Bohrer

ISBN-10: 3662061449

ISBN-13: 9783662061442

ISBN-10: 3662061465

ISBN-13: 9783662061466

A huge insurance of boron subject matters is supplied. Structural elucidations and handy routes to necessary hydroboration reagents are awarded in addition to boron compounds used for scientific reasons. targeted realization is dedicated to theoretical experiences and calculations on small boron-hydrogen and boron-noble gasoline species together with molecules like BH, that are fairly favourite matters of theoreticians for trying out a variety of equipment of calculation.

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Additional resources for B Boron Compounds: Boron and Noble Gases, Hydrogen

Example text

50/1 40 Monoboran Species Table 2/2 (continued) preparation (yield in %) Ref. C; the solvent is decanted and the residue dried under vacuum (74) [16] as the previous compound, but recrystallized from CH 2Cl 2/hexane at 17"C (66) [16] as the previous compound, but recrystallized from CH 2Cl 2/C 2H5 0H at 17"C (76) [16] as the previous compound, recrystallized from CH 2Cl 2/hexane at -3·c (64) [16] (nppp)Cu(BH 4 ) from Na[BH 4 ] in C2H5 0H and a solution of (nppp)CuCl in CH 2Cl 2; after 1 h, filtration and partial evaporation gives the product in quantitative yield [17] (etppp)Cu(BH 4 ) as for (nppp)Cu(BH 4 ) but using (etppp)CuCl (80) [17] as for (nppp)Cu(BH 4 ) but using [P(C 6 H11 -cyclobhCu(Cl0 4 ) (90) [17] species (TJ 1-BH 4 )Cul 3 (continued) L =HP(C 6 H5 ) 2 (TJ 2-BH 4 )Cul2 L=P(OC 2 H5b [16] Gmelin Handbook B 4th Suppl.

223/4 and 242. Several other theoretical studies on substituted BH 3 species were completed. The previously cited study for HBF 2 also treated the neutral boranes H2 BCN and H2 BOCH 3 . 6• [9]. The equilibrium structures and stabilities of silanylboranes were studied at the HF/6-31 G** Level. H3 SiBH 2 is shown in Fig. 2-10, p. 28. The three bonds on boron arenot in the same plane but otherwise the species has an expected structure involving a staggered conformation. The species has not been observed in experiments likely to form it.

1987 1857/9). [20] Brown, H. ; Cole, T. E. (Organometallics 4 [1985] 816/21). [21] Keller, P. ; Knapp, K. ; Rund, J. V. (lnorg. Chem. 24 [1985] 2382/3). 4 Carbon Monoxide-Borane, BH 3 -CO, and Its Derivatives For earlier treatment, see "Boron Compounds" 3rd Suppt. Vol. 1, 1987, p. 16, "Boron Compounds" 2nd Suppt. Vol. 1, 1983, pp. 10/12, and "Boron Compounds" 1st Suppt. Vol. 1, 1980, p. 6. BH 3 -CO is a convenient source of BH 3 [1 to 4]. Thus, theinfrared spectrum of BH 3 was observed for the first time in the gas phase by diode Iaser spectroscopy.

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B Boron Compounds: Boron and Noble Gases, Hydrogen by Lawrence Barton, Thomas Onak, Jürgen Faust, Kurt Niedenzu, R. Bohrer

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