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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-11.423471
Energy at 298.15K-11.427445
HF Energy-11.423471
Nuclear repulsion energy18.570678
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/CEP-121G
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' 3105 3105 20.39      
2 A' 2994 2994 1.33      
3 A' 2538 2538 130.25      
4 A' 1512 1512 9.63      
5 A' 1382 1382 84.15      
6 A' 1232 1232 33.04      
7 A' 1097 1097 64.21      
8 A' 968 968 11.29      
9 A' 630 630 0.32      
10 A" 3152 3152 24.71      
11 A" 2619 2619 208.14      
12 A" 1484 1484 11.00      
13 A" 1078 1078 26.04      
14 A" 693 693 0.51      
15 A" 146 146 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 12314.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12314.9 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/CEP-121G
ABC
3.17167 0.70491 0.64477

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.691 0.000
B2 -0.014 0.881 0.000
H3 1.049 -0.998 0.000
H4 -0.462 -1.134 0.897
H5 -0.462 -1.134 -0.897
H6 0.011 1.504 -1.033
H7 0.011 1.504 1.033

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.57171.10621.09601.09602.42562.4256
B21.57172.15852.25002.25001.20651.2065
H31.10622.15851.76221.76222.89862.8986
H41.09602.25001.76221.79403.30192.6826
H51.09602.25001.76221.79402.68263.3019
H62.42561.20652.89863.30192.68262.0660
H72.42561.20652.89862.68263.30192.0660

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 121.079 C1 B2 H7 121.079
B2 C1 H3 106.114 B2 C1 H4 113.815
B2 C1 H5 113.815 H3 C1 H4 106.298
H3 C1 H5 106.298 H4 C1 H5 109.861
H6 B2 H7 117.788
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.589      
2 B 0.093      
3 H 0.174      
4 H 0.170      
5 H 0.170      
6 H -0.009      
7 H -0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.146 -0.649 0.000 0.665
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.531 -0.171 0.000
y -0.171 -16.298 0.000
z 0.000 0.000 -15.497
Traceless
 xyz
x 2.367 -0.171 0.000
y -0.171 -1.784 0.000
z 0.000 0.000 -0.583
Polar
3z2-r2-1.165
x2-y22.767
xy-0.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.848 -0.024 0.000
y -0.024 4.269 0.000
z 0.000 0.000 3.869


<r2> (average value of r2) Å2
<r2> 27.032
(<r2>)1/2 5.199