B2H5NH2




 

 









Boron and Nitrogen


Nuclear Quadrupole Coupling Constants


in Aminodiborane


 







 

 








   







Table 1. Boron nqcc's in B2H5NH2 (MHz).
   










Calc.
Expt.
   






11B Xaa 0.855
Xbb 1.407
Xcc - 2.261
Xab ± 0.554
 
10B Xaa 1.775
Xbb 2.921
  Xcc - 4.696
Xab ± 1.150
 


 







 
In Table 2 below, RMS is the root measn square difference between calculated and experimental diagonal nqcc.  RSD is the residual standard deviation of the calibration of the computional model for calculation of the nqcc's.
 
   







Table 2. Nitrogen nqcc's in B2H5NH2 (MHz).
   










Calc.
Expt. [1]
   






14N Xaa - 2.605 - 2.71(3)
Xbb 1.083 0.84(5)
Xcc 1.522 1.87(8)
 
RMS 0.25 (14 %)
RSD 0.030 (1.3 %)
 
 
 
 
Table 3. Molecular structure parameters, rs [1] (Å and degrees).
NH 1.005
HNH 111.0
B ... B 1.916
BN 1.558
BHb 1.355
BHt 1.193
BNB 75.9
BHbB 90.0
HtBHt 121.0


 
 

[1] K-K.Lau, A.B.Burg, and R.A.Beaudet, Inorg.Chem. 13,2787(1974).

 








 








Diborane B2H5Cl B2H5Br
 

 








Table of Contents



Molecules/Boron

Molecules/Nitrogen



 

 













B2H5NH2.html






Last Modified 24 May 2003