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All results from a given calculation for BH3NH3 (borane ammonia)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-83.161300
Energy at 298.15K-83.168155
HF Energy-83.161300
Nuclear repulsion energy40.385600
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3471 3324 1.96      
2 A1 2459 2355 63.11      
3 A1 1364 1306 187.52      
4 A1 1187 1137 98.86      
5 A1 663 635 17.13      
6 A2 258 247 0.00      
7 E 3614 3461 31.79      
7 E 3614 3461 31.79      
8 E 2529 2422 253.55      
8 E 2529 2422 253.57      
9 E 1732 1659 45.37      
9 E 1732 1659 45.37      
10 E 1196 1146 1.15      
10 E 1196 1146 1.15      
11 E 1094 1047 52.39      
11 E 1094 1047 52.39      
12 E 677 649 2.40      
12 E 677 648 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 15543.1 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 14885.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G
ABC
2.42738 0.58286 0.58286

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.932
N2 0.000 0.000 0.741
H3 0.000 -1.171 -1.250
H4 -1.014 0.586 -1.250
H5 1.014 0.586 -1.250
H6 0.000 0.962 1.075
H7 -0.833 -0.481 1.075
H8 0.833 -0.481 1.075

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.67251.21371.21371.21372.22522.22522.2252
N21.67252.30932.30932.30931.01811.01811.0181
H31.21372.30932.02892.02893.15482.56382.5638
H41.21372.30932.02892.02892.56382.56383.1548
H51.21372.30932.02892.02892.56383.15482.5638
H62.22521.01813.15482.56382.56381.66571.6657
H72.22521.01812.56382.56383.15481.66571.6657
H82.22521.01812.56383.15482.56381.66571.6657

picture of borane ammonia state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 N2 H6 109.161 B1 N2 H7 109.161
B1 N2 H8 109.161 N2 B1 H3 105.172
N2 B1 H4 105.172 N2 B1 H5 105.172
H3 B1 H4 113.407 H3 B1 H5 113.407
H4 B1 H5 113.407 H6 N2 H7 109.779
H6 N2 H8 109.779 H7 N2 H8 109.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.022      
2 N -0.838      
3 H -0.085      
4 H -0.085      
5 H -0.085      
6 H 0.371      
7 H 0.371      
8 H 0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 5.742 5.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.575 0.000 0.000
y 0.000 -15.575 0.000
z 0.000 0.000 -16.342
Traceless
 xyz
x 0.383 0.000 0.000
y 0.000 0.383 0.000
z 0.000 0.000 -0.766
Polar
3z2-r2-1.533
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.520 0.000 0.000
y 0.000 3.520 0.000
z 0.000 0.000 3.088


<r2> (average value of r2) Å2
<r2> 33.110
(<r2>)1/2 5.754