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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B1B95/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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-65.910910
Energy at 298.15K-65.914863
HF Energy-65.910910
Nuclear repulsion energy31.974706
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 B1B95/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 2969 12.05      
2 A' 2989 2865 4.61      
3 A' 2575 2468 115.72      
4 A' 1472 1411 2.49      
5 A' 1320 1265 76.13      
6 A' 1248 1196 15.65      
7 A' 1078 1034 59.46      
8 A' 982 941 12.91      
9 A' 536 513 0.73      
10 A" 3150 3019 14.24      
11 A" 2644 2534 159.36      
12 A" 1422 1363 4.46      
13 A" 1060 1016 18.62      
14 A" 678 650 1.07      
15 A" 181 174 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 12215.6 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 11708.7 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 B1B95/aug-cc-pVTZ
ABC
3.23154 0.72771 0.66399

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.679 0.000
B2 -0.020 0.866 0.000
H3 1.052 -0.930 0.000
H4 -0.430 -1.144 0.893
H5 -0.430 -1.144 -0.893
H6 0.015 1.480 -1.023
H7 0.015 1.480 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.54511.10161.08741.08742.38912.3891
B21.54512.09222.23762.23761.19371.1937
H31.10162.09221.74401.74402.81632.8163
H41.08742.23761.74401.78653.27942.6642
H51.08742.23761.74401.78652.66423.2794
H62.38911.19372.81633.27942.66422.0470
H72.38911.19372.81632.66423.27942.0470

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.919 C1 B2 H7 120.919
B2 C1 H3 103.184 B2 C1 H4 115.322
B2 C1 H5 115.322 H3 C1 H4 105.642
H3 C1 H5 105.642 H4 C1 H5 110.470
H6 B2 H7 118.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.950      
2 B -0.079      
3 H 0.332      
4 H 0.330      
5 H 0.330      
6 H 0.018      
7 H 0.018      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.098 -0.698 0.000 0.705
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.705 -0.186 0.000
y -0.186 -16.428 0.000
z 0.000 0.000 -15.644
Traceless
 xyz
x 2.331 -0.186 0.000
y -0.186 -1.754 0.000
z 0.000 0.000 -0.578
Polar
3z2-r2-1.155
x2-y22.723
xy-0.186
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.776 -0.040 0.000
y -0.040 5.060 0.000
z 0.000 0.000 4.377


<r2> (average value of r2) Å2
<r2> 29.082
(<r2>)1/2 5.393