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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-65.975148
Energy at 298.15K-65.979087
HF Energy-65.975148
Nuclear repulsion energy31.880874
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 B3LYPultrafine/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' 3056 2957 13.34      
2 A' 2957 2861 5.25      
3 A' 2572 2489 111.64      
4 A' 1477 1429 2.24      
5 A' 1328 1284 66.79      
6 A' 1254 1214 21.94      
7 A' 1090 1055 59.59      
8 A' 970 939 13.03      
9 A' 564 545 0.53      
10 A" 3103 3002 17.57      
11 A" 2638 2552 155.89      
12 A" 1429 1383 4.39      
13 A" 1066 1031 17.97      
14 A" 687 665 1.23      
15 A" 156 151 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 12173.5 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 11777.9 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 B3LYPultrafine/aug-cc-pVTZ
ABC
3.22508 0.72153 0.65917

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 -0.681 0.000
B2 -0.018 0.871 0.000
H3 1.052 -0.952 0.000
H4 -0.439 -1.143 0.894
H5 -0.439 -1.143 -0.894
H6 0.013 1.485 -1.023
H7 0.013 1.485 1.023

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55191.10351.09031.09032.39522.3952
B21.55192.11332.24282.24281.19321.1932
H31.10352.11331.74811.74812.83902.8390
H41.09032.24281.74811.78763.28332.6690
H51.09032.24281.74811.78762.66903.2833
H62.39521.19322.83903.28332.66902.0455
H72.39521.19322.83902.66903.28332.0455

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.955 C1 B2 H7 120.955
B2 C1 H3 104.196 B2 C1 H4 115.057
B2 C1 H5 115.057 H3 C1 H4 105.657
H3 C1 H5 105.657 H4 C1 H5 110.123
H6 B2 H7 118.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.693      
2 B 0.004      
3 H 0.249      
4 H 0.231      
5 H 0.231      
6 H -0.011      
7 H -0.011      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.088 -0.658 0.000 0.664
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.823 -0.184 0.000
y -0.184 -16.629 0.000
z 0.000 0.000 -15.841
Traceless
 xyz
x 2.412 -0.184 0.000
y -0.184 -1.797 0.000
z 0.000 0.000 -0.615
Polar
3z2-r2-1.231
x2-y22.806
xy-0.184
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.814 -0.039 0.000
y -0.039 5.097 0.000
z 0.000 0.000 4.416


<r2> (average value of r2) Å2
<r2> 29.322
(<r2>)1/2 5.415