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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: QCISD(TQ)=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(TQ)=FULL/6-31+G**
 hartrees
Energy at 0K-65.738457
Energy at 298.15K-65.742400
HF Energy-65.449678
Nuclear repulsion energy31.794829
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 QCISD(TQ)=FULL/6-31+G**
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' 3135 3135        
2 A' 3033 3033        
3 A' 2642 2642        
4 A' 1516 1516        
5 A' 1376 1376        
6 A' 1298 1298        
7 A' 1121 1121        
8 A' 984 984        
9 A' 575 575        
10 A" 3185 3185        
11 A" 2714 2714        
12 A" 1476 1476        
13 A" 1096 1096        
14 A" 701 701        
15 A" 145 145        

Unscaled Zero Point Vibrational Energy (zpe) 12498.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12498.1 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 QCISD(TQ)=FULL/6-31+G**
ABC
3.21804 0.71440 0.65388

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.016 -0.687 0.000
B2 -0.016 0.876 0.000
H3 1.050 -0.964 0.000
H4 -0.452 -1.136 0.893
H5 -0.452 -1.136 -0.893
H6 0.016 1.489 -1.021
H7 0.016 1.489 1.021

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56271.10151.09071.09072.40432.4043
B21.56272.12642.24412.24411.19201.1920
H31.10152.12641.75571.75572.85142.8514
H41.09072.24411.75571.78673.28322.6701
H51.09072.24411.75571.78672.67013.2832
H62.40431.19202.85143.28322.67012.0427
H72.40431.19202.85142.67013.28322.0427

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.986 C1 B2 H7 120.986
B2 C1 H3 104.571 B2 C1 H4 114.329
B2 C1 H5 114.329 H3 C1 H4 106.423
H3 C1 H5 106.423 H4 C1 H5 109.986
H6 B2 H7 117.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability