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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: wB97X-D/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-65.945486
Energy at 298.15K-65.949403
HF Energy-65.945486
Nuclear repulsion energy31.861047
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/aug-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' 3097 2963 13.31      
2 A' 2993 2863 3.74      
3 A' 2556 2445 113.14      
4 A' 1489 1424 2.88      
5 A' 1337 1279 67.41      
6 A' 1255 1200 20.74      
7 A' 1081 1034 61.57      
8 A' 972 930 13.22      
9 A' 572 547 0.46      
10 A" 3147 3010 16.00      
11 A" 2628 2514 156.16      
12 A" 1434 1372 4.64      
13 A" 1069 1023 18.46      
14 A" 695 664 1.12      
15 A" 137 131 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 12230.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 11699.7 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/aug-cc-pVTZ
ABC
3.21467 0.72074 0.65816

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-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
C11.55401.10191.08941.08942.39862.3986
B21.55402.11052.24172.24171.19631.1963
H31.10192.11051.74911.74912.83712.8371
H41.08942.24171.74911.78783.28452.6680
H51.08942.24171.74911.78782.66803.2845
H62.39861.19632.83713.28452.66802.0527
H72.39861.19632.83712.66803.28452.0527

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 103.943 B2 C1 H4 114.863
B2 C1 H5 114.863 H3 C1 H4 105.925
H3 C1 H5 105.925 H4 C1 H5 110.289
H6 B2 H7 118.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.904      
2 B -0.062      
3 H 0.319      
4 H 0.292      
5 H 0.292      
6 H 0.031      
7 H 0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.085 -0.646 0.000 0.652
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.683 -0.180 0.000
y -0.180 -16.437 0.000
z 0.000 0.000 -15.642
Traceless
 xyz
x 2.357 -0.180 0.000
y -0.180 -1.775 0.000
z 0.000 0.000 -0.582
Polar
3z2-r2-1.164
x2-y22.754
xy-0.180
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.796 -0.034 0.000
y -0.034 4.998 0.000
z 0.000 0.000 4.377


<r2> (average value of r2) Å2
<r2> 29.233
(<r2>)1/2 5.407