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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-15.814741
Energy at 298.15K-15.821567
HF Energy-15.814741
Nuclear repulsion energy25.385921
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 HF/CEP-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 3702 3337 7.40      
2 A1 2470 2226 98.04      
3 A1 1454 1311 290.54      
4 A1 1239 1117 172.14      
5 A1 572 516 68.43      
6 A2 251 227 0.00      
7 E 3865 3484 37.49      
7 E 3865 3484 37.49      
8 E 2547 2295 431.94      
8 E 2547 2295 431.94      
9 E 1849 1667 49.94      
9 E 1849 1667 49.94      
10 E 1241 1119 15.01      
10 E 1241 1119 15.01      
11 E 1118 1008 64.51      
11 E 1118 1008 64.51      
12 E 687 619 3.97      
12 E 687 619 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 16151.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 14558.8 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 HF/CEP-31G
ABC
2.42755 0.56040 0.56040

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.959
N2 0.000 0.000 0.762
H3 0.000 -1.178 -1.263
H4 -1.020 0.589 -1.263
H5 1.020 0.589 -1.263
H6 0.000 0.954 1.084
H7 -0.826 -0.477 1.084
H8 0.826 -0.477 1.084

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.72031.21671.21671.21672.25382.25382.2538
N21.72032.34262.34262.34261.00641.00641.0064
H31.21672.34262.04032.04033.17022.58472.5847
H41.21672.34262.04032.04032.58472.58473.1702
H51.21672.34262.04032.04032.58473.17022.5847
H62.25381.00643.17022.58472.58471.65161.6516
H72.25381.00642.58472.58473.17021.65161.6516
H82.25381.00642.58473.17022.58471.65161.6516

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 108.651 B1 N2 H7 108.651
B1 N2 H8 108.651 N2 B1 H3 104.495
N2 B1 H4 104.495 N2 B1 H5 104.495
H3 B1 H4 113.956 H3 B1 H5 113.956
H4 B1 H5 113.956 H6 N2 H7 110.278
H6 N2 H8 110.278 H7 N2 H8 110.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B -0.410      
2 N -0.664      
3 H 0.012      
4 H 0.012      
5 H 0.012      
6 H 0.346      
7 H 0.346      
8 H 0.346      


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 5.578 5.578
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.738 0.000 0.000
y 0.000 -15.738 0.000
z 0.000 0.000 -16.601
Traceless
 xyz
x 0.432 0.000 0.000
y 0.000 0.432 0.000
z 0.000 0.000 -0.863
Polar
3z2-r2-1.727
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 2.951 0.000 0.000
y 0.000 2.951 0.000
z 0.000 0.000 2.934


<r2> (average value of r2) Å2
<r2> 30.866
(<r2>)1/2 5.556