c,t-BH(OH)2						PDF
		Boron
	Nuclear Quadrupole Coupling Constants
		in Boronic Acid
	In Table 1, the subscripts a,b,c refer to the principal axes of the inertia tensor.   Subscripts x,y,z refer to the principal axes of the nqcc tensor.  The nqcc y-axis is chosen coincident with the c-axis.  Ø (degrees) is the angle between its subscripted parameters.
	Table 1.  Boron nqcc's in c,t-BH(OH)2 (MHz).     Calc. Expt. [1]     11B Xaa - 1.142 - 2.4(6) Xbb - 2.075 - 1.2(3) Xcc 3.218 3.6(3) |Xab| 0.151   Xxx - 1.119 Xyy 3.218 Xzz - 2.099 Øz,a 81.04 Øa,BH 89.62 Øz,BH   8.58   10B Xaa - 2.369 - 4.8(10) Xbb - 4.304 - 3.2(5) Xcc 6.673 8.0(5) |Xab| 0.313
	Table 2. Molecular structure parameters, rs / rss [1] (Å and degrees). BOt 1.359 BOc 1.365 BH 1.1972 OtHt 0.9590 OcHc 0.9498 HBOt 118.2 HBOc 122.8 OBO 119.1 BOtHt 111.8 BOcHc 113.3
	[1]                            Bull.Chem.Soc.Jpn. 11,1465(1986).
	BHF(OH)		BH2OH		BF2OH
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						Last Modified 31 Oct 2008