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 BH3NH3 (borane ammonia)

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-82.908676
Energy at 298.15K-82.915520
HF Energy-82.610841
Nuclear repulsion energy40.372376
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 MP4/6-31G*
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 3455 3299        
2 A1 2494 2381        
3 A1 1403 1339        
4 A1 1212 1157        
5 A1 669 639        
6 A2 266 254        
7 E 3582 3420        
7 E 3582 3420        
8 E 2567 2451        
8 E 2566 2450        
9 E 1730 1652        
9 E 1729 1651        
10 E 1215 1160        
10 E 1215 1160        
11 E 1088 1039        
11 E 1088 1039        
12 E 657 627        
12 E 657 627        

Unscaled Zero Point Vibrational Energy (zpe) 15586.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14882.1 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 MP4/6-31G*
ABC
2.43428 0.58395 0.58395

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.936
N2 0.000 0.000 0.730
H3 0.000 -1.175 -1.241
H4 -1.018 0.588 -1.241
H5 1.018 0.588 -1.241
H6 0.000 0.953 1.099
H7 -0.826 -0.477 1.099
H8 0.826 -0.477 1.099

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.66581.21441.21441.21442.24732.24732.2473
N21.66582.29502.29502.29501.02241.02241.0224
H31.21442.29502.03582.03583.16372.57822.5782
H41.21442.29502.03582.03582.57822.57823.1637
H51.21442.29502.03582.03582.57823.16372.5782
H62.24731.02243.16372.57822.57821.65131.6513
H72.24731.02242.57822.57823.16371.65131.6513
H82.24731.02242.57823.16372.57821.65131.6513

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 111.170 B1 N2 H7 111.170
B1 N2 H8 111.170 N2 B1 H3 104.562
N2 B1 H4 104.562 N2 B1 H5 104.562
H3 B1 H4 113.903 H3 B1 H5 113.903
H4 B1 H5 113.903 H6 N2 H7 107.720
H6 N2 H8 107.720 H7 N2 H8 107.720
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability