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

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-82.376976
Energy at 298.15K-82.383836
HF Energy-82.165225
Nuclear repulsion energy39.864102
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 QCISD/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 3364 3233 4.56      
2 A1 2448 2352 50.88      
3 A1 1408 1354 163.46      
4 A1 1204 1157 101.75      
5 A1 669 643 11.67      
6 A2 255 245 0.00      
7 E 3472 3337 25.53      
7 E 3472 3337 25.53      
8 E 2517 2420 180.97      
8 E 2517 2420 180.97      
9 E 1762 1694 32.09      
9 E 1762 1694 32.09      
10 E 1207 1160 6.13      
10 E 1207 1160 6.13      
11 E 1097 1055 50.04      
11 E 1097 1055 50.04      
12 E 676 650 2.42      
12 E 676 650 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 15405.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 14806.1 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 QCISD/3-21G*
ABC
2.38523 0.56388 0.56388

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.954
N2 0.000 0.000 0.751
H3 0.000 -1.183 -1.260
H4 -1.024 0.591 -1.260
H5 1.024 0.591 -1.260
H6 0.000 0.969 1.097
H7 -0.839 -0.484 1.097
H8 0.839 -0.484 1.097

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.70571.22181.22181.22182.26842.26842.2684
N21.70572.33342.33342.33341.02841.02841.0284
H31.22182.33342.04902.04903.19122.59742.5974
H41.22182.33342.04902.04902.59742.59743.1912
H51.22182.33342.04902.04902.59743.19122.5974
H62.26841.02843.19122.59742.59741.67761.6776
H72.26841.02842.59742.59743.19121.67761.6776
H82.26841.02842.59743.19122.59741.67761.6776

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 109.634 B1 N2 H7 109.634
B1 N2 H8 109.634 N2 B1 H3 104.486
N2 B1 H4 104.486 N2 B1 H5 104.486
H3 B1 H4 113.963 H3 B1 H5 113.963
H4 B1 H5 113.963 H6 N2 H7 109.308
H6 N2 H8 109.308 H7 N2 H8 109.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability