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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-65.927737
Energy at 298.15K-65.931626
HF Energy-65.927737
Nuclear repulsion energy31.739803
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/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' 3112 2963 16.08      
2 A' 3006 2862 3.35      
3 A' 2569 2446 124.32      
4 A' 1494 1423 4.76      
5 A' 1348 1284 80.65      
6 A' 1256 1196 22.35      
7 A' 1084 1032 72.25      
8 A' 971 925 12.68      
9 A' 571 544 0.29      
10 A" 3164 3013 17.28      
11 A" 2640 2514 181.61      
12 A" 1445 1376 6.51      
13 A" 1068 1017 20.63      
14 A" 692 659 1.06      
15 A" 127 121 1.94      

Unscaled Zero Point Vibrational Energy (zpe) 12272.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 11686.7 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/6-31+G**
ABC
3.19285 0.71479 0.65291

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.017 -0.685 0.000
B2 -0.017 0.875 0.000
H3 1.053 -0.959 0.000
H4 -0.445 -1.143 0.897
H5 -0.445 -1.143 -0.897
H6 0.014 1.491 -1.030
H7 0.014 1.491 1.030

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.56051.10491.09361.09362.40772.4077
B21.56052.12402.24912.24911.20001.2000
H31.10492.12401.75551.75552.85362.8536
H41.09362.24911.75551.79343.29492.6765
H51.09362.24911.75551.79342.67653.2949
H62.40771.20002.85363.29492.67652.0592
H72.40771.20002.85362.67653.29492.0592

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.865 C1 B2 H7 120.865
B2 C1 H3 104.359 B2 C1 H4 114.718
B2 C1 H5 114.718 H3 C1 H4 105.966
H3 C1 H5 105.966 H4 C1 H5 110.157
H6 B2 H7 118.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.632      
2 B 0.182      
3 H 0.170      
4 H 0.172      
5 H 0.172      
6 H -0.032      
7 H -0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.114 -0.631 0.000 0.642
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.684 -0.164 0.000
y -0.164 -16.500 0.000
z 0.000 0.000 -15.697
Traceless
 xyz
x 2.414 -0.164 0.000
y -0.164 -1.809 0.000
z 0.000 0.000 -0.605
Polar
3z2-r2-1.210
x2-y22.816
xy-0.164
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.029 -0.020 0.000
y -0.020 4.608 0.000
z 0.000 0.000 4.068


<r2> (average value of r2) Å2
<r2> 29.414
(<r2>)1/2 5.423