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, r/ 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

 








 








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Molecules/Boron




 








 













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Last Modified 28 Oct 2008