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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP4=FULL/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 MP4=FULL/6-311G**
 hartrees
Energy at 0K-65.787057
Energy at 298.15K-65.791015
HF Energy-65.459495
Nuclear repulsion energy31.698613
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/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' 3100 2981        
2 A' 2995 2880        
3 A' 2582 2483        
4 A' 1492 1435        
5 A' 1340 1288        
6 A' 1266 1217        
7 A' 1100 1057        
8 A' 974 937        
9 A' 554 533        
10 A" 3153 3031        
11 A" 2654 2552        
12 A" 1447 1391        
13 A" 1076 1035        
14 A" 687 661        
15 A" 170 164        

Unscaled Zero Point Vibrational Energy (zpe) 12295.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 11821.6 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/6-311G**
ABC
3.18346 0.71238 0.65122

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.019 -0.688 0.000
B2 -0.019 0.877 0.000
H3 1.059 -0.944 0.000
H4 -0.445 -1.145 0.899
H5 -0.445 -1.145 -0.899
H6 0.017 1.491 -1.028
H7 0.017 1.491 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56501.10771.09511.09512.41022.4102
B21.56502.11572.25372.25371.19811.1981
H31.10772.11571.76411.76412.84142.8414
H41.09512.25371.76411.79863.29842.6800
H51.09512.25371.76411.79862.68003.2984
H62.41021.19812.84143.29842.68002.0554
H72.41021.19812.84142.68003.29842.0554

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.874 C1 B2 H7 120.874
B2 C1 H3 103.340 B2 C1 H4 114.661
B2 C1 H5 114.661 H3 C1 H4 106.415
H3 C1 H5 106.415 H4 C1 H5 110.401
H6 B2 H7 118.137
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability