|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PF3BH3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Boron |
|
|
|
Nuclear
Quadrupole Coupling Constants |
|
|
|
in Trifluorophosphine Borane |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table 1. Boron nqcc's in PF3BH3 (MHz). |
|
|
|
|
|
|
|
|
|
|
|
|
|
Calc. |
|
Expt. [1] |
|
|
|
|
|
|
|
|
|
|
11B |
Xzz |
|
1.740 |
|
1.478(3) |
|
|
|
|
|
|
|
|
|
|
10B |
Xzz |
|
3.608 |
|
3.2445(7) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
The difference between calculated and experimental 11B
nqcc's is 0.262 MHz (18 %). For 10B, the difference is
0.364 MHz (11 %). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table 3. Structure parameters, rs / ro
[2] (Å and degrees). |
|
|
|
|
|
BH |
1.207 |
|
PF |
1.538 |
|
PB |
1.836 |
|
HBH |
115.07 |
|
FPF |
99.83 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[1] W.Kasten, H.Dreizler, and R.L.Kuczkowski, Z.Naturforsch. 40a,920(1985). |
|
|
[2] R.L.Kuczkowski and D.R.Lide, J.Chem.Phys. 46,357(1967). |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
BH3CO |
BH3NH3 |
(CH3)3NBH3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Table of Contents |
|
|
|
|
|
Molecules/Boron |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
PF3BH3.html |
|
|
|
|
|
|
Last
Modified 28 Oct 2008 |
|
|
|
|
|
|
|
|
|
|