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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: MP3=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G**
 hartrees
Energy at 0K-65.724104
Energy at 298.15K-65.728060
HF Energy-65.448641
Nuclear repulsion energy31.872725
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 MP3=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3196 3196 14.80      
2 A' 3096 3096 2.75      
3 A' 2682 2682 99.67      
4 A' 1547 1547 1.53      
5 A' 1400 1400 60.94      
6 A' 1316 1316 28.99      
7 A' 1135 1135 79.32      
8 A' 996 996 10.53      
9 A' 595 595 0.53      
10 A" 3247 3247 17.92      
11 A" 2760 2760 150.34      
12 A" 1508 1508 2.88      
13 A" 1109 1109 20.06      
14 A" 710 710 1.28      
15 A" 139 139 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 12717.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12717.9 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 MP3=FULL/6-31G**
ABC
3.24140 0.71663 0.65607

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 -0.686 0.000
B2 -0.016 0.875 0.000
H3 1.044 -0.967 0.000
H4 -0.451 -1.132 0.890
H5 -0.451 -1.132 -0.890
H6 0.016 1.488 -1.018
H7 0.016 1.488 1.018

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56071.09671.08641.08642.40062.4006
B21.56072.12502.23762.23761.18901.1890
H31.09672.12501.74821.74822.84932.8493
H41.08642.23761.74821.77983.27432.6639
H51.08642.23761.74821.77982.66393.2743
H62.40061.18902.84933.27432.66392.0365
H72.40061.18902.84932.66393.27432.0365

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.038 C1 B2 H7 121.038
B2 C1 H3 104.845 B2 C1 H4 114.220
B2 C1 H5 114.220 H3 C1 H4 106.406
H3 C1 H5 106.406 H4 C1 H5 109.995
H6 B2 H7 117.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability