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=FULL/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 MP4=FULL/3-21G
 hartrees
Energy at 0K-82.380513
Energy at 298.15K-82.387386
HF Energy-82.165218
Nuclear repulsion energy39.888004
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=FULL/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 3361 3290        
2 A1 2455 2403        
3 A1 1405 1375        
4 A1 1207 1182        
5 A1 674 660        
6 A2 257 252        
7 E 3475 3401        
7 E 3475 3401        
8 E 2528 2474        
8 E 2528 2474        
9 E 1762 1724        
9 E 1761 1724        
10 E 1211 1185        
10 E 1211 1185        
11 E 1099 1076        
11 E 1099 1076        
12 E 676 662        
12 E 676 662        

Unscaled Zero Point Vibrational Energy (zpe) 15429.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 15102.4 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=FULL/3-21G
ABC
2.38610 0.56509 0.56509

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.953
N2 0.000 0.000 0.751
H3 0.000 -1.182 -1.259
H4 -1.024 0.591 -1.259
H5 1.024 0.591 -1.259
H6 0.000 0.969 1.096
H7 -0.839 -0.484 1.096
H8 0.839 -0.484 1.096

Atom - Atom Distances (Å)
  B1 N2 H3 H4 H5 H6 H7 H8
B11.70331.22141.22141.22142.26632.26632.2663
N21.70332.33162.33162.33161.02861.02861.0286
H31.22142.33162.04802.04803.18972.59562.5956
H41.22142.33162.04802.04802.59562.59563.1897
H51.22142.33162.04802.04802.59563.18972.5956
H62.26631.02863.18972.59562.59561.67811.6781
H72.26631.02862.59562.59563.18971.67811.6781
H82.26631.02862.59563.18972.59561.67811.6781

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 109.623 B1 N2 H7 109.623
B1 N2 H8 109.623 N2 B1 H3 104.523
N2 B1 H4 104.523 N2 B1 H5 104.523
H3 B1 H4 113.934 H3 B1 H5 113.934
H4 B1 H5 113.934 H6 N2 H7 109.319
H6 N2 H8 109.319 H7 N2 H8 109.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability