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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-65.921219
Energy at 298.15K-65.925137
HF Energy-65.921219
Nuclear repulsion energy31.645161
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-pVDZ
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' 3110 2962 13.17      
2 A' 3002 2859 2.15      
3 A' 2565 2444 119.93      
4 A' 1462 1392 2.37      
5 A' 1321 1259 66.80      
6 A' 1233 1175 17.54      
7 A' 1072 1021 64.53      
8 A' 975 929 13.36      
9 A' 562 535 0.65      
10 A" 3166 3016 12.88      
11 A" 2641 2515 170.03      
12 A" 1410 1343 3.75      
13 A" 1055 1005 19.66      
14 A" 684 651 0.82      
15 A" 152 145 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 12204.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 11626.1 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 wB97X-D/cc-pVDZ
ABC
3.14951 0.71471 0.65165

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.685 0.000
B2 -0.020 0.874 0.000
H3 1.063 -0.942 0.000
H4 -0.439 -1.151 0.903
H5 -0.439 -1.151 -0.903
H6 0.016 1.494 -1.038
H7 0.016 1.494 1.038

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55871.11251.09981.09982.41402.4140
B21.55872.11372.25642.25641.20981.2098
H31.11252.11371.76551.76552.84732.8473
H41.09982.25641.76551.80693.31252.6872
H51.09982.25641.76551.80692.68723.3125
H62.41401.20982.84733.31252.68722.0762
H72.41401.20982.84732.68723.31252.0762

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.848 C1 B2 H7 120.848
B2 C1 H3 103.340 B2 C1 H4 115.062
B2 C1 H5 115.062 H3 C1 H4 105.881
H3 C1 H5 105.881 H4 C1 H5 110.473
H6 B2 H7 118.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.138      
2 B 0.044      
3 H 0.065      
4 H 0.048      
5 H 0.048      
6 H -0.034      
7 H -0.034      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.122 -0.702 0.000 0.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.607 -0.207 0.000
y -0.207 -16.206 0.000
z 0.000 0.000 -15.490
Traceless
 xyz
x 2.241 -0.207 0.000
y -0.207 -1.658 0.000
z 0.000 0.000 -0.583
Polar
3z2-r2-1.167
x2-y22.599
xy-0.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.035 -0.029 0.000
y -0.029 4.489 0.000
z 0.000 0.000 3.957


<r2> (average value of r2) Å2
<r2> 29.373
(<r2>)1/2 5.420