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 CH3BH2 (methylborane)

using model chemistry: B2PLYP=FULLultrafine/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-65.881249
Energy at 298.15K 
HF Energy-65.789084
Nuclear repulsion energy31.835630
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 B2PLYP=FULLultrafine/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3095 3095 15.14      
2 A' 2994 2994 4.49      
3 A' 2588 2588 111.64      
4 A' 1495 1495 3.13      
5 A' 1344 1344 71.40      
6 A' 1266 1266 23.16      
7 A' 1100 1100 68.58      
8 A' 978 978 12.17      
9 A' 567 567 0.70      
10 A" 3146 3146 18.54      
11 A" 2657 2657 159.50      
12 A" 1449 1449 4.51      
13 A" 1077 1077 19.71      
14 A" 693 693 1.18      
15 A" 163 163 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 12305.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12305.4 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 B2PLYP=FULLultrafine/6-311G**
ABC
3.21467 0.71898 0.65703

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.683 0.000
B2 -0.018 0.873 0.000
H3 1.053 -0.950 0.000
H4 -0.441 -1.142 0.895
H5 -0.441 -1.142 -0.895
H6 0.014 1.486 -1.024
H7 0.014 1.486 1.024

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55601.10411.09131.09132.39882.3988
B21.55602.11392.24502.24501.19361.1936
H31.10412.11391.75271.75272.83882.8388
H41.09132.24501.75271.79063.28572.6702
H51.09132.24501.75271.79062.67023.2857
H62.39881.19362.83883.28572.67022.0471
H72.39881.19362.83882.67023.28572.0471

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.911 C1 B2 H7 120.911
B2 C1 H3 103.945 B2 C1 H4 114.867
B2 C1 H5 114.867 H3 C1 H4 105.939
H3 C1 H5 105.939 H4 C1 H5 110.257
H6 B2 H7 118.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability