return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for BH2NH2 (Boranamine)

using model chemistry: TPSSh/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/3-21G
 hartrees
Energy at 0K-81.596377
Energy at 298.15K-81.600711
HF Energy-81.596377
Nuclear repulsion energy31.942974
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 TPSSh/3-21G
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 3482 3373 13.66 112.06 0.13 0.22
2 A1 2616 2534 83.77 94.68 0.11 0.21
3 A1 1705 1652 58.25 9.72 0.69 0.82
4 A1 1363 1320 45.77 8.41 0.04 0.07
5 A1 1165 1128 0.27 15.27 0.62 0.77
6 A2 874 847 0.00 0.35 0.75 0.86
7 B1 1006 975 47.70 0.28 0.75 0.86
8 B1 751 727 265.88 0.01 0.75 0.86
9 B2 3570 3459 12.76 73.18 0.75 0.86
10 B2 2695 2611 168.68 34.95 0.75 0.86
11 B2 1156 1120 42.79 1.99 0.75 0.86
12 B2 746 723 0.04 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10564.5 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 10234.9 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 TPSSh/3-21G
ABC
4.59021 0.89951 0.75212

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.788
N2 0.000 0.000 0.618
H3 0.000 1.046 -1.368
H4 0.000 -1.046 -1.368
H5 0.000 0.853 1.177
H6 0.000 -0.853 1.177

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6
B11.40591.19591.19592.14242.1424
N21.40592.24432.24431.02011.0201
H31.19592.24432.09202.55223.1754
H41.19592.24432.09203.17542.5522
H52.14241.02012.55223.17541.7063
H62.14241.02013.17542.55221.7063

picture of Boranamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
B1 N2 H5 123.247 B1 N2 H6 123.247
N2 B1 H3 118.994 N2 B1 H4 118.994
H3 B1 H4 122.012 H5 N2 H6 113.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.177      
2 N -0.734      
3 H -0.031      
4 H -0.031      
5 H 0.309      
6 H 0.309      


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 2.391 2.391
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.432 0.000 0.000
y 0.000 2.874 0.000
z 0.000 0.000 3.818


<r2> (average value of r2) Å2
<r2> 24.407
(<r2>)1/2 4.940