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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-65.945062
Energy at 298.15K-65.948980
HF Energy-65.945062
Nuclear repulsion energy31.860667
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 wB97X-D/cc-pVTZ
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' 3099 2962 13.34      
2 A' 2994 2862 3.61      
3 A' 2557 2445 112.45      
4 A' 1489 1424 2.67      
5 A' 1338 1279 66.68      
6 A' 1256 1201 20.48      
7 A' 1082 1034 63.80      
8 A' 974 931 13.84      
9 A' 573 548 0.48      
10 A" 3149 3010 15.87      
11 A" 2629 2513 155.39      
12 A" 1436 1373 4.28      
13 A" 1070 1023 19.55      
14 A" 696 665 0.99      
15 A" 137 130 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 12238.3 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 11699.9 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 wB97X-D/cc-pVTZ
ABC
3.21478 0.72071 0.65816

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.683 0.000
B2 -0.018 0.871 0.000
H3 1.051 -0.948 0.000
H4 -0.440 -1.141 0.894
H5 -0.440 -1.141 -0.894
H6 0.014 1.485 -1.026
H7 0.014 1.485 1.026

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55401.10191.08941.08942.39872.3987
B21.55402.11052.24172.24171.19621.1962
H31.10192.11051.74931.74932.83712.8371
H41.08942.24171.74931.78793.28462.6682
H51.08942.24171.74931.78792.66823.2846
H62.39871.19622.83713.28462.66822.0524
H72.39871.19622.83712.66823.28462.0524

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.875 C1 B2 H7 120.875
B2 C1 H3 103.936 B2 C1 H4 114.859
B2 C1 H5 114.859 H3 C1 H4 105.935
H3 C1 H5 105.935 H4 C1 H5 110.287
H6 B2 H7 118.153
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.311      
2 B -0.047      
3 H 0.089      
4 H 0.096      
5 H 0.096      
6 H 0.039      
7 H 0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.091 -0.662 0.000 0.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.667 -0.187 0.000
y -0.187 -16.415 0.000
z 0.000 0.000 -15.640
Traceless
 xyz
x 2.361 -0.187 0.000
y -0.187 -1.761 0.000
z 0.000 0.000 -0.599
Polar
3z2-r2-1.199
x2-y22.748
xy-0.187
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.455 -0.026 0.000
y -0.026 4.762 0.000
z 0.000 0.000 4.192


<r2> (average value of r2) Å2
<r2> 29.225
(<r2>)1/2 5.406